/* ============================================================
   DESIGN TOKENS — Europump Abyss Decoder v3
   Palette: Industrial Dark — deep charcoal, slate, electric accents
   ============================================================ */
:root {
  /* Backgrounds — layered depth */
  --bg-base:     #0A0C10;
  --bg-elevated: #111318;
  --bg-card:     #161A22;
  --bg-overlay:  #1C2130;
  --bg-input:    #0E1016;

  /* Borders */
  --border-subtle:  rgba(255,255,255,0.06);
  --border-default: rgba(255,255,255,0.10);
  --border-strong:  rgba(255,255,255,0.18);

  /* Text */
  --text-primary:   #F0F4FF;
  --text-secondary: #8892A4;
  --text-tertiary:  #525C6E;
  --text-inverse:   #0A0C10;

  /* Accents */
  --blue:        #3D8EF0;
  --blue-dim:    rgba(61,142,240,0.12);
  --blue-glow:   rgba(61,142,240,0.25);
  --green:       #22C55E;
  --green-dim:   rgba(34,197,94,0.10);
  --orange:      #F59E0B;
  --orange-dim:  rgba(239,68,68,0.10);
  --red:         #EF4444;
  --red-dim:     rgba(239,68,68,0.10);
  --red-border:  rgba(239,68,68,0.25);
  --purple:      #A855F7;
  --purple-dim:  rgba(168,85,247,0.10);
  --teal:        #06B6D4;
  --teal-dim:    rgba(6,182,212,0.10);

  /* Typography */
  --font-ui:   'DM Sans', system-ui, sans-serif;
  --font-mono: 'DM Mono', monospace;

  /* Spacing & Radius */
  --radius-sm:  8px;
  --radius-md:  12px;
  --radius-lg:  16px;
  --radius-xl:  20px;
  --radius-2xl: 24px;

  /* Motion */
  --ease-spring: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-out:    cubic-bezier(0.0, 0, 0.2, 1);
  --dur-fast:    140ms;
  --dur-mid:     240ms;
  --dur-slow:    400ms;

  /* Bottom nav height + safe area */
  --nav-h: 64px;
  --safe-bottom: max(env(safe-area-inset-bottom), 0px);
}

/* ============================================================
   RESET & BASE
   ============================================================ */
*, *::before, *::after {
  box-sizing: border-box; margin: 0; padding: 0;
}

html { height: 100%; overscroll-behavior: none; }

body {
  font-family: var(--font-ui);
  background: var(--bg-base);
  color: var(--text-primary);
  min-height: 100%;
  -webkit-tap-highlight-color: transparent;
  -webkit-font-smoothing: antialiased;
  overscroll-behavior: none;
  padding-top: env(safe-area-inset-top);
}

/* Subtle noise texture overlay */
body::before {
  content: '';
  position: fixed; inset: 0; z-index: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)' opacity='0.03'/%3E%3C/svg%3E");
  pointer-events: none;
}

/* Ambient light — top */
body::after {
  content: '';
  position: fixed; top: 0; left: 0; right: 0; height: 300px; z-index: 0;
  background: radial-gradient(ellipse 80% 100% at 50% -20%, rgba(61,142,240,0.07) 0%, transparent 70%);
  pointer-events: none;
}

/* ============================================================
   SCROLLABLE CONTENT AREA
   ============================================================ */
/* #appRoot layout handled by full-page layout CSS */

.panel { /* overridden by layout CSS below */ }
/* .panel.active overridden by layout CSS */

/* ============================================================
   LOGIN SCREEN
   ============================================================ */
#loginScreen {
  position: fixed; inset: 0; z-index: 9000;
  display: flex; align-items: center; justify-content: center;
  padding: 24px;
  background: var(--bg-base);
  background-image:
    radial-gradient(ellipse 100% 60% at 50% -10%, rgba(61,142,240,0.10) 0%, transparent 65%),
    radial-gradient(ellipse 60% 40% at 80% 110%, rgba(6,182,212,0.06) 0%, transparent 60%);
}

.login-card {
  width: 100%; max-width: 380px;
  background: var(--bg-card);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-2xl);
  padding: 36px 28px 32px;
  box-shadow: 0 0 0 1px var(--border-subtle), 0 32px 80px rgba(0,0,0,0.6);
  animation: loginRise var(--dur-slow) var(--ease-spring) both;
}

@keyframes loginRise {
  from { opacity: 0; transform: translateY(28px) scale(0.97); }
  to   { opacity: 1; transform: translateY(0) scale(1); }
}

.login-logo {
  height: 34px; width: auto; display: block; margin-bottom: 28px;
  animation: fadeUp 0.5s 0.1s var(--ease-spring) both;
}

.login-headline {
  font-size: 22px; font-weight: 700;
  letter-spacing: -0.03em; color: var(--text-primary);
  animation: fadeUp 0.5s 0.15s var(--ease-spring) both;
}

.login-sub {
  font-size: 12px; color: var(--text-secondary);
  font-family: var(--font-mono); letter-spacing: 0.04em;
  margin-top: 4px; margin-bottom: 28px;
  animation: fadeUp 0.5s 0.2s var(--ease-spring) both;
}

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(10px); }
  to   { opacity: 1; transform: translateY(0); }
}

.field { margin-bottom: 12px; animation: fadeUp 0.5s 0.25s var(--ease-spring) both; }

.field label {
  display: block; font-size: 10px; font-weight: 600;
  letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--text-tertiary); margin-bottom: 6px;
  font-family: var(--font-mono);
}

.field input {
  width: 100%;
  background: var(--bg-input);
  border: 1.5px solid var(--border-default);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-family: var(--font-mono);
  font-size: max(16px, 14px);
  padding: 11px 14px;
  outline: none;
  transition: border-color var(--dur-fast), box-shadow var(--dur-fast);
  -moz-appearance: textfield;
}
.field input::-webkit-outer-spin-button,
.field input::-webkit-inner-spin-button { -webkit-appearance: none; }
.field input:focus {
  border-color: var(--blue);
  box-shadow: 0 0 0 3px var(--blue-dim);
}
.field input.invalid {
  border-color: var(--red);
  box-shadow: 0 0 0 3px var(--red-dim);
  animation: shake 0.35s ease;
}

@keyframes shake {
  0%,100% { transform: translateX(0); }
  20%     { transform: translateX(-6px); }
  40%     { transform: translateX(6px); }
  60%     { transform: translateX(-4px); }
  80%     { transform: translateX(4px); }
}

.login-err {
  font-size: 10px; color: var(--red); font-family: var(--font-mono);
  letter-spacing: 0.06em; min-height: 16px; margin-top: 8px;
}

.btn-primary {
  width: 100%; padding: 13px; margin-top: 20px;
  border: none; border-radius: var(--radius-md);
  background: linear-gradient(135deg, var(--blue) 0%, #2563EB 100%);
  color: #fff; font-family: var(--font-ui);
  font-size: 14px; font-weight: 600; letter-spacing: 0.01em;
  cursor: pointer; min-height: 48px;
  box-shadow: 0 4px 20px rgba(61,142,240,0.35);
  transition: opacity var(--dur-fast), transform var(--dur-fast), box-shadow var(--dur-fast);
  animation: fadeUp 0.5s 0.3s var(--ease-spring) both;
}
.btn-primary:hover { opacity: 0.88; box-shadow: 0 6px 28px rgba(61,142,240,0.45); }
.btn-primary:active { transform: scale(0.97); }

.login-footer {
  margin-top: 20px; font-size: 10px; font-family: var(--font-mono);
  text-align: center; color: var(--text-tertiary);
  letter-spacing: 0.1em; text-transform: uppercase;
}

/* ============================================================
   TOP BAR
   ============================================================ */
/* #topBar display handled by mainApp */

/* #topBar.visible overridden */

.topbar-inner {
  display: flex; align-items: center; justify-content: space-between;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border-subtle);
}

.topbar-brand { display: flex; align-items: center; gap: 10px; }

.topbar-logo {
  height: 24px; width: auto;
  filter: brightness(0.9);
}

.topbar-title {
  font-size: 16px; font-weight: 700;
  letter-spacing: -0.02em; color: var(--text-primary);
}

.topbar-title span { color: var(--blue); }

.topbar-actions { display: flex; align-items: center; gap: 8px; }

.icon-btn {
  width: 36px; height: 36px; min-height: 36px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-default);
  background: var(--bg-elevated);
  color: var(--text-secondary);
  font-size: 14px; cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  transition: all var(--dur-fast);
  touch-action: manipulation;
}
.icon-btn:hover { border-color: var(--border-strong); color: var(--text-primary); }
/* Theme toggle: warm golden sun in dark mode, dark navy moon in light mode */
#themeBtn { color: #F5C142; }
[data-theme="light"] #themeBtn { color: #1E3A5F; }

/* Session badge in topbar */
.session-chip {
  display: inline-flex; align-items: center; gap: 5px;
  padding: 4px 10px; border-radius: 99px;
  font-size: 10px; font-weight: 600; font-family: var(--font-mono);
  letter-spacing: 0.08em; text-transform: uppercase;
}
.session-chip.admin {
  background: var(--purple-dim); color: var(--purple);
  border: 1px solid rgba(168,85,247,0.2);
}
.session-chip.europump {
  background: rgba(61,142,240,0.15); color: var(--blue);
  border: 1px solid rgba(61,142,240,0.25);
}
.session-chip.technician {
  background: rgba(34,197,94,0.12); color: #22C55E;
  border: 1px solid rgba(34,197,94,0.2);
}
.session-chip.service {
  background: rgba(34,197,94,0.12); color: #22C55E;
  border: 1px solid rgba(34,197,94,0.2);
}
.session-chip.service {
  background: var(--green-dim); color: var(--green);
  border: 1px solid rgba(34,197,94,0.2);
}
.session-chip::before {
  content: ''; width: 5px; height: 5px; border-radius: 50%;
  background: currentColor; animation: pulse 2s infinite;
}

@keyframes pulse {
  0%,100% { opacity: 1; transform: scale(1); }
  50%  { opacity: 0.4; transform: scale(0.8); }
}

/* Logout btn */
.logout-chip {
  padding: 4px 10px; border-radius: 99px;
  font-size: 10px; font-weight: 600; font-family: var(--font-mono);
  letter-spacing: 0.08em; cursor: pointer; border: none;
  background: var(--bg-overlay); color: var(--text-secondary);
  transition: all var(--dur-fast); min-height: 28px;
  touch-action: manipulation;
}
.logout-chip:hover { background: var(--red-dim); color: var(--red); }

/* ============================================================
   BOTTOM NAVIGATION
   ============================================================ */
#bottomNav { /* overridden by layout CSS */ }

#bottomNav.visible { display: block; }

/* .bottom-nav-inner overridden */

.nav-item {
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  gap: 4px; padding: 6px 4px;
  border: none; background: none; cursor: pointer;
  border-radius: var(--radius-md); min-height: 52px;
  transition: all var(--dur-fast); touch-action: manipulation;
  position: relative;
}

.nav-item-icon {
  font-size: 20px; line-height: 1;
  transition: transform var(--dur-fast) var(--ease-spring);
}

.nav-item-label {
  font-size: 9px; font-weight: 600; font-family: var(--font-mono);
  letter-spacing: 0.08em; text-transform: uppercase;
  color: var(--text-tertiary); transition: color var(--dur-fast);
  white-space: nowrap;
}

.nav-item.active .nav-item-icon { transform: scale(1.1); }
.nav-item.active .nav-item-label { color: var(--blue); }

.nav-item.active::before {
  content: '';
  position: absolute; bottom: 0; left: 50%; transform: translateX(-50%);
  width: 20px; height: 2px; border-radius: 2px 2px 0 0;
  background: var(--blue);
}

/* ============================================================
   CARD SYSTEM
   ============================================================ */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  overflow: hidden;
  transition: border-color var(--dur-mid);
}

.card-header {
  padding: 16px 18px 14px;
  border-bottom: 1px solid var(--border-subtle);
  background: var(--bg-overlay);
}

.card-label {
  font-size: 9px; font-weight: 700;
  letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--text-tertiary); font-family: var(--font-mono);
  display: flex; align-items: center; justify-content: space-between;
}

/* ============================================================
   METER TYPE SELECTOR
   ============================================================ */
.meter-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 8px;
}

.meter-card {
  background: var(--bg-card);
  border: 1.5px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 14px 12px 12px;
  cursor: pointer; touch-action: manipulation;
  transition: all var(--dur-mid) var(--ease-spring);
  display: flex; flex-direction: column; align-items: center; gap: 8px;
  position: relative; overflow: hidden; min-height: 44px;
}

.meter-card::before {
  content: ''; position: absolute; inset: 0;
  background: radial-gradient(circle at 50% 30%, rgba(61,142,240,0.08) 0%, transparent 70%);
  opacity: 0; transition: opacity var(--dur-mid);
}

.meter-card.active {
  border-color: var(--blue);
  background: var(--bg-overlay);
  box-shadow: 0 0 0 1px var(--blue), inset 0 1px 0 rgba(255,255,255,0.05), 0 4px 20px rgba(61,142,240,0.15);
}

.meter-card.active::before { opacity: 1; }

.meter-card:active { transform: scale(0.97); }

.meter-img {
  width: 56px; height: 52px; object-fit: contain;
  filter: drop-shadow(0 3px 8px rgba(0,0,0,0.5));
  transition: transform var(--dur-mid) var(--ease-spring);
}
.meter-card.active .meter-img { transform: scale(1.08) translateY(-2px); }

.meter-name {
  font-size: 12px; font-weight: 700; letter-spacing: -0.01em;
  color: var(--text-primary);
}
.meter-card.active .meter-name { color: var(--blue); }

.meter-sub {
  font-size: 9px; color: var(--text-tertiary);
  font-family: var(--font-mono); letter-spacing: 0.05em;
  text-align: center;
}

.meter-active-dot {
  position: absolute; top: 10px; right: 10px;
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--border-strong);
  transition: all var(--dur-fast);
}
.meter-card.active .meter-active-dot {
  background: var(--blue);
  box-shadow: 0 0 6px var(--blue);
  animation: pulse 2s infinite;
}

/* ============================================================
   CPU SELECTOR
   ============================================================ */
.cpu-row {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 6px;
}

.cpu-chip {
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 8px;
  padding: 16px 8px 14px; border-radius: var(--radius-md);
  background: var(--bg-elevated);
  border: 1px solid var(--border-subtle);
  cursor: pointer; touch-action: manipulation;
  transition: all var(--dur-fast); position: relative; overflow: hidden;
  min-height: 80px;
}

.cpu-chip.active {
  background: var(--blue-dim);
  border-color: var(--blue);
  box-shadow: 0 0 0 1px var(--blue);
}

.cpu-chip.locked {
  opacity: 0.3; cursor: not-allowed;
}

.cpu-chip-img {
  width: 56px; height: 50px; object-fit: contain;
  transition: transform var(--dur-fast) var(--ease-spring);
  display: block; margin: 0 auto;
}
.cpu-chip.active .cpu-chip-img { transform: scale(1.07); }

.cpu-chip-name {
  font-size: 12px; font-weight: 700; letter-spacing: 0.05em;
  color: var(--text-secondary); text-transform: uppercase;
  font-family: var(--font-mono); text-align: center;
}
.cpu-chip.active .cpu-chip-name { color: var(--blue); }

.cpu-chip-status {
  font-size: 8px; font-family: var(--font-mono);
  letter-spacing: 0.08em; text-transform: uppercase;
  color: var(--text-tertiary);
}
.cpu-chip.active .cpu-chip-status { color: var(--blue); }

/* ============================================================
   INPUT SECTION
   ============================================================ */
.inputs-row {
  display: grid; grid-template-columns: 1fr 1fr; gap: 10px;
}

@media (max-width: 360px) {
  .inputs-row { grid-template-columns: 1fr; }
}

.input-group label {
  display: block; font-size: 9px; font-weight: 700;
  letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--text-tertiary); margin-bottom: 6px;
  font-family: var(--font-mono);
}

.input-wrap { position: relative; }

.input-wrap input {
  width: 100%;
  background: var(--bg-input);
  border: 1.5px solid var(--border-default);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-family: var(--font-mono);
  font-size: max(16px, 18px);
  font-weight: 500; padding: 10px 44px 10px 14px;
  outline: none;
  transition: border-color var(--dur-fast), box-shadow var(--dur-fast);
  -moz-appearance: textfield;
}
.input-wrap input::-webkit-outer-spin-button,
.input-wrap input::-webkit-inner-spin-button { -webkit-appearance: none; }
.input-wrap input:focus {
  border-color: var(--blue); box-shadow: 0 0 0 3px var(--blue-dim);
}
.input-wrap input.error {
  border-color: var(--red); box-shadow: 0 0 0 3px var(--red-dim);
}

.scan-btn {
  position: absolute; right: 8px; top: 50%; transform: translateY(-50%);
  width: 30px; height: 30px; border-radius: 7px;
  background: var(--blue-dim); color: var(--blue);
  border: none; cursor: pointer; display: flex; align-items: center; justify-content: center;
  transition: all var(--dur-fast); touch-action: manipulation;
}
.scan-btn:hover { background: var(--blue-glow); }
.scan-btn:active { transform: translateY(-50%) scale(0.9); }

.input-err {
  font-size: 10px; color: var(--red); font-family: var(--font-mono);
  margin-top: 4px; min-height: 14px; letter-spacing: 0.04em;
}

/* ============================================================
   RESULT TILES
   ============================================================ */
.results-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 8px;
  padding: 14px;
}

.result-tile {
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-subtle);
  padding: 14px;
  cursor: pointer; touch-action: manipulation;
  transition: transform var(--dur-fast) var(--ease-spring), border-color var(--dur-fast);
  position: relative; overflow: hidden; user-select: none;
}

.result-tile:active { transform: scale(0.96); }

.result-tile.green  { background: var(--green-dim); border-color: rgba(34,197,94,0.18); }
.result-tile.blue   { background: var(--blue-dim);  border-color: rgba(61,142,240,0.18); }
.result-tile.purple { background: var(--purple-dim); border-color: rgba(168,85,247,0.18); }
.result-tile.orange { background: var(--orange-dim); border-color: rgba(245,158,11,0.18); }

.tile-top {
  display: flex; align-items: center;
  justify-content: space-between; margin-bottom: 8px;
}

.tile-label {
  font-size: 8px; font-weight: 700;
  letter-spacing: 0.14em; text-transform: uppercase;
  font-family: var(--font-mono);
}
.result-tile.green  .tile-label { color: var(--green); }
.result-tile.blue   .tile-label { color: var(--blue); }
.result-tile.purple .tile-label { color: var(--purple); }
.result-tile.orange .tile-label { color: var(--orange); }

.tile-dot {
  width: 6px; height: 6px; border-radius: 50%; flex-shrink: 0;
}
.result-tile.green  .tile-dot { background: var(--green); box-shadow: 0 0 6px var(--green); }
.result-tile.blue   .tile-dot { background: var(--blue);  box-shadow: 0 0 6px var(--blue); }
.result-tile.purple .tile-dot { background: var(--purple); box-shadow: 0 0 6px var(--purple); }
.result-tile.orange .tile-dot { background: var(--orange); box-shadow: 0 0 6px var(--orange); }

.tile-value {
  font-family: var(--font-mono); font-size: 26px; font-weight: 500;
  color: var(--text-primary); letter-spacing: -0.02em; line-height: 1;
  transition: transform var(--dur-fast) var(--ease-spring);
}

.tile-value.pop {
  animation: numPop 0.22s var(--ease-spring);
}
@keyframes numPop {
  0%   { transform: scale(0.85); opacity: 0.5; }
  100% { transform: scale(1); opacity: 1; }
}

.tile-sub {
  font-size: 9px; color: var(--text-tertiary);
  font-family: var(--font-mono); margin-top: 5px;
  position: relative;
}

.formula-tip {
  display: none;
  position: absolute; bottom: calc(100% + 8px); left: 0;
  background: var(--bg-overlay); border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm); padding: 5px 9px;
  font-size: 10px; color: var(--text-primary); white-space: nowrap;
  box-shadow: 0 6px 20px rgba(0,0,0,0.5); z-index: 50;
  pointer-events: none;
  opacity: 0; transform: translateY(4px);
  transition: opacity var(--dur-fast), transform var(--dur-fast);
}
.formula-tip.show { opacity: 1; transform: translateY(0); }

.result-tile:hover .formula-tip { display: block; }
.result-tile:hover .formula-tip { opacity: 1; transform: translateY(0); }

/* hide-formulas class: applied to mainApp for non-admin users —
   removes the formula hint line under each PIN tile */
.hide-formulas .tile-sub { display: none !important; }

.copy-hint {
  position: absolute; top: 10px; right: 10px;
  font-size: 8px; font-family: var(--font-mono);
  color: var(--text-tertiary); opacity: 0;
  transition: opacity var(--dur-fast); pointer-events: none;
  letter-spacing: 0.1em;
}
.result-tile:hover .copy-hint { opacity: 1; }
/* Technician masked tile — pulse to signal interactivity */
.tile-value[data-real]:not([data-revealed]) {
  animation: techPulse 2.5s ease-in-out infinite;
}
@keyframes techPulse {
  0%,100% { opacity: 0.55; }
  50%      { opacity: 0.85; }
}

.result-tile.copied { border-color: var(--green) !important; transition: border-color 0s; }

/* ============================================================
   CARD FOOTER
   ============================================================ */
.card-footer {
  padding: 10px 16px;
  border-top: 1px solid var(--border-subtle);
  background: var(--bg-overlay);
  display: flex; align-items: center; justify-content: space-between;
  gap: 8px;
}

.cpu-tag {
  font-size: 9px; font-family: var(--font-mono);
  color: var(--text-tertiary); letter-spacing: 0.1em; text-transform: uppercase;
}
.cpu-tag span { color: var(--blue); }

.export-btn {
  display: inline-flex; align-items: center; gap: 5px;
  padding: 5px 12px; border-radius: 7px;
  border: 1px solid var(--border-default);
  background: transparent; color: var(--text-secondary);
  font-family: var(--font-mono); font-size: 10px; font-weight: 500;
  letter-spacing: 0.06em; text-transform: uppercase;
  cursor: pointer; transition: all var(--dur-fast); min-height: 30px;
}
.export-btn:hover { border-color: var(--blue); color: var(--blue); }

/* ============================================================
   ERROR CODES SECTION
   ============================================================ */


















@keyframes slideDown {
  from { opacity: 0; transform: translateY(-8px); }
  to   { opacity: 1; transform: translateY(0); }
}



































/* ============================================================
   HISTORY
   ============================================================ */
.section-header {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 8px;
}

.section-title {
  font-size: 9px; font-weight: 700; letter-spacing: 0.14em;
  text-transform: uppercase; color: var(--text-tertiary);
  font-family: var(--font-mono);
}

.clear-btn {
  font-size: 9px; font-family: var(--font-mono); letter-spacing: 0.1em;
  text-transform: uppercase; background: none; border: none;
  color: var(--text-tertiary); cursor: pointer;
  padding: 4px 8px; border-radius: 6px; transition: all var(--dur-fast);
  min-height: 28px;
}
.clear-btn:hover { color: var(--red); background: var(--red-dim); }

.history-empty {
  text-align: center; padding: 28px;
  color: var(--text-tertiary); font-family: var(--font-mono);
  font-size: 11px; letter-spacing: 0.08em;
  border: 1px dashed var(--border-subtle); border-radius: var(--radius-lg);
}

.history-item {
  background: var(--bg-card); border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md); padding: 11px 14px;
  cursor: pointer; transition: all var(--dur-fast);
  display: grid; grid-template-columns: 1fr auto;
  gap: 8px; align-items: center; margin-bottom: 6px;
  touch-action: manipulation;
}
.history-item:hover { border-color: var(--blue); background: var(--blue-dim); }

.history-inputs {
  font-family: var(--font-mono); font-size: 12px;
  font-weight: 500; color: var(--text-primary);
}
.history-inputs span { color: var(--text-tertiary); font-weight: 400; font-size: 10px; }

.history-results {
  font-family: var(--font-mono); font-size: 9px;
  color: var(--text-secondary); margin-top: 3px;
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}

.history-cpu {
  display: inline-block; font-size: 8px; font-weight: 700;
  background: var(--blue-dim); color: var(--blue);
  border-radius: 4px; padding: 1px 5px; margin-top: 2px;
  font-family: var(--font-mono); letter-spacing: 0.1em;
}

.history-time {
  font-family: var(--font-mono); font-size: 9px;
  color: var(--text-tertiary); white-space: nowrap; text-align: right;
}

/* ============================================================
   REPORT PANEL
   ============================================================ */
.stat-grid {
  display: grid; grid-template-columns: repeat(3,1fr); gap: 8px;
}

.stat-tile {
  background: var(--bg-card); border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md); padding: 12px; text-align: center;
}

.stat-val {
  font-family: var(--font-mono); font-size: 24px; font-weight: 500;
  color: var(--text-primary); line-height: 1;
}

.stat-lbl {
  font-size: 8px; font-weight: 700; letter-spacing: 0.12em;
  text-transform: uppercase; color: var(--text-tertiary);
  font-family: var(--font-mono); margin-top: 4px;
}

.report-log-wrap {
  background: var(--bg-card); border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg); overflow: hidden;
}

.report-log-hdr {
  display: grid; grid-template-columns: 72px 100px 68px 1fr;
  gap: 6px; padding: 9px 14px;
  background: var(--bg-overlay); border-bottom: 1px solid var(--border-subtle);
  font-size: 8px; font-weight: 700; letter-spacing: 0.12em;
  text-transform: uppercase; color: var(--text-tertiary); font-family: var(--font-mono);
}

.report-log-body {
  max-height: 320px; overflow-y: auto;
  scrollbar-width: thin; scrollbar-color: var(--border-strong) transparent;
}

.report-row {
  display: grid; grid-template-columns: 72px 100px 68px 1fr;
  gap: 6px; padding: 9px 14px;
  border-bottom: 1px solid var(--border-subtle);
  font-family: var(--font-mono); font-size: 11px;
  color: var(--text-primary); align-items: start;
  transition: background var(--dur-fast);
}
.report-row:last-child { border-bottom: none; }
.report-row:hover { background: var(--bg-overlay); }

.report-empty {
  padding: 32px; text-align: center; color: var(--text-secondary);
  font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.08em;
}

.clear-report-btn {
  font-size: 9px; font-family: var(--font-mono);
  letter-spacing: 0.1em; text-transform: uppercase;
  background: none; border: 1px solid var(--border-default);
  color: var(--text-secondary); cursor: pointer;
  padding: 5px 10px; border-radius: 7px; transition: all var(--dur-fast); min-height: 30px;
}
.clear-report-btn:hover { color: var(--red); border-color: var(--red); background: var(--red-dim); }

/* ============================================================
   USER MANAGEMENT
   ============================================================ */
.user-form-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 10px;
}
@media (max-width: 400px) {
  .user-form-grid { grid-template-columns: 1fr; }
}

.form-select {
  width: 100%;
  background: var(--bg-input); border: 1.5px solid var(--border-default);
  border-radius: var(--radius-md); color: var(--text-primary);
  font-family: var(--font-mono); font-size: 13px;
  padding: 10px 12px; outline: none; cursor: pointer;
  transition: border-color var(--dur-fast);
}
.form-select:focus { border-color: var(--blue); }

.btn-secondary {
  padding: 11px 16px; border-radius: var(--radius-md);
  border: none; background: var(--blue); color: #fff;
  font-family: var(--font-ui); font-size: 13px; font-weight: 600;
  cursor: pointer; min-height: 44px; width: 100%; margin-top: 12px;
  transition: opacity var(--dur-fast), transform var(--dur-fast);
}
.btn-secondary:hover { opacity: 0.85; }
.btn-secondary:active { transform: scale(0.97); }

.form-err {
  font-size: 10px; color: var(--red); font-family: var(--font-mono);
  margin-top: 8px; min-height: 15px; letter-spacing: 0.06em;
}

.user-list { display: flex; flex-direction: column; gap: 6px; }

.user-status-badge {
    display: inline-block;
    font-size: 10px;
    font-weight: 700;
    padding: 2px 8px;
    border-radius: 99px;
    letter-spacing: .04em;
  }
  .user-status-active  { color: var(--green); }
  .user-status-blocked { color: #F87171; }
  .user-status-inactive{ color: #6B7280; }
  .user-row {
  display: flex; align-items: center; justify-content: space-between;
  background: var(--bg-elevated); border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md); padding: 11px 14px; gap: 10px;
  flex-wrap: wrap;
}

.user-row-info { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }

.user-name {
  font-family: var(--font-mono); font-size: 13px; font-weight: 500;
  color: var(--text-primary);
}

.role-chip {
  font-size: 8px; font-weight: 700; letter-spacing: 0.12em;
  text-transform: uppercase; padding: 2px 7px; border-radius: 4px;
  font-family: var(--font-mono);
}
.role-admin  { background: var(--purple-dim); color: var(--purple); }
.role-service    { background: var(--green-dim); color: var(--green); }
.role-technician { background: rgba(34,197,94,0.12); color: #22C55E; }
.role-europump   { background: rgba(61,142,240,0.15); color: var(--blue); }

.user-meta {
  font-size: 9px; color: var(--text-tertiary);
  font-family: var(--font-mono); letter-spacing: 0.04em;
}

.user-delete-btn {
  background: none; border: 1px solid var(--border-default);
  color: var(--text-tertiary); font-family: var(--font-mono);
  font-size: 9px; letter-spacing: 0.1em; text-transform: uppercase;
  padding: 4px 10px; border-radius: 6px; cursor: pointer;
  transition: all var(--dur-fast); min-height: 30px;
}
.user-delete-btn:hover { color: var(--red); border-color: var(--red); background: var(--red-dim); }

/* ============================================================
   CAMERA SCANNER MODAL
   ============================================================ */
#scannerModal {
  position: fixed; inset: 0; z-index: 5000;
  display: none; align-items: flex-end; justify-content: center;
}
#scannerModal.open { display: flex; }

#scannerBackdrop {
  position: absolute; inset: 0;
  background: rgba(0,0,0,0.8); backdrop-filter: blur(4px);
}

#scannerSheet {
  position: relative; z-index: 1;
  width: 100%; max-width: 560px;
  background: var(--bg-card);
  border-radius: var(--radius-2xl) var(--radius-2xl) 0 0;
  border-top: 1px solid var(--border-strong);
  padding-bottom: calc(var(--safe-bottom) + 8px);
  animation: sheetUp var(--dur-slow) var(--ease-spring) both;
  max-height: 94dvh; overflow: hidden; display: flex; flex-direction: column;
}
@keyframes sheetUp {
  from { transform: translateY(100%); }
  to   { transform: translateY(0); }
}

.scanner-header {
  display: flex; align-items: center; justify-content: space-between;
  padding: 18px 18px 14px; border-bottom: 1px solid var(--border-subtle);
  flex-shrink: 0;
}

.scanner-title {
  font-size: 15px; font-weight: 700; letter-spacing: -0.01em;
  color: var(--text-primary); display: flex; align-items: center; gap: 8px;
}
.scanner-title-icon { color: var(--blue); }

.scanner-close {
  width: 30px; height: 30px; border-radius: 50%;
  border: none; background: var(--bg-overlay);
  color: var(--text-secondary); font-size: 13px;
  cursor: pointer; display: flex; align-items: center; justify-content: center;
  transition: all var(--dur-fast);
}
.scanner-close:hover { background: var(--red-dim); color: var(--red); }

#viewfinderWrap {
  position: relative; width: 100%;
  aspect-ratio: 4/3; background: #000; overflow: hidden; flex-shrink: 0;
}

#scanVideo { width: 100%; height: 100%; object-fit: cover; }

#scanFrame {
  position: absolute; top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  width: 72%; height: 38%; pointer-events: none;
}

.scan-corner {
  position: absolute; width: 22px; height: 22px;
  border-color: #fff; border-style: solid; border-radius: 3px; opacity: 0.9;
}
.scan-corner.tl { top: 0; left: 0;  border-width: 3px 0 0 3px; }
.scan-corner.tr { top: 0; right: 0; border-width: 3px 3px 0 0; }
.scan-corner.bl { bottom: 0; left: 0;  border-width: 0 0 3px 3px; }
.scan-corner.br { bottom: 0; right: 0; border-width: 0 3px 3px 0; }

#scanLine {
  position: absolute; top: 0; left: 4px; right: 4px; height: 2px;
  background: linear-gradient(90deg, transparent, var(--blue), var(--blue), transparent);
  box-shadow: 0 0 8px var(--blue);
  animation: scanSweep 1.8s ease-in-out infinite; border-radius: 2px;
}
@keyframes scanSweep {
  0%,100% { top: 4px; opacity: 0.9; }
  50%     { top: calc(100% - 6px); opacity: 0.9; }
}

#scanHint {
  position: absolute; bottom: 10px; left: 50%; transform: translateX(-50%);
  background: rgba(0,0,0,0.65); color: #fff;
  font-family: var(--font-mono); font-size: 11px;
  padding: 5px 12px; border-radius: 20px; white-space: nowrap;
  letter-spacing: 0.04em; backdrop-filter: blur(4px);
}

#capturePreview {
  position: absolute; inset: 0; background: #000;
}
#captureImg { width: 100%; height: 100%; object-fit: contain; }

.scanner-status {
  display: flex; align-items: center; gap: 8px;
  padding: 9px 16px; border-bottom: 1px solid var(--border-subtle);
  flex-shrink: 0;
}

.status-dot {
  width: 7px; height: 7px; border-radius: 50%;
  background: var(--text-tertiary); flex-shrink: 0; transition: all 0.3s;
}
.status-dot.ready   { background: var(--green);  box-shadow: 0 0 6px var(--green); }
.status-dot.working { background: var(--orange); box-shadow: 0 0 6px var(--orange); animation: pulse 0.8s infinite; }
.status-dot.success { background: var(--green);  box-shadow: 0 0 8px var(--green); }
.status-dot.error   { background: var(--red);    box-shadow: 0 0 6px var(--red); }

.status-text {
  font-family: var(--font-mono); font-size: 11px;
  color: var(--text-secondary); letter-spacing: 0.06em;
}

.scan-result-wrap {
  padding: 14px 16px; flex-shrink: 0;
}

.scan-result-chips { display: flex; flex-direction: column; gap: 6px; margin-bottom: 12px; }

.scan-chip {
  background: var(--bg-overlay); border: 1px solid var(--border-default);
  border-radius: var(--radius-md); padding: 10px 14px;
  display: flex; align-items: center; justify-content: space-between; gap: 10px;
}
.scan-chip-lbl {
  font-size: 9px; font-weight: 700; letter-spacing: 0.12em;
  text-transform: uppercase; color: var(--text-tertiary); font-family: var(--font-mono);
}
.scan-chip-val {
  font-family: var(--font-mono); font-size: 22px; font-weight: 500;
  color: var(--text-primary); letter-spacing: 0.02em;
  animation: numPop 0.3s var(--ease-spring) both;
}

.scan-notice {
  font-size: 10px; color: var(--orange);
  font-family: var(--font-mono); text-align: center; padding: 4px 0;
  letter-spacing: 0.06em;
}

.scan-result-btns { display: flex; gap: 8px; justify-content: center; }

.btn-accept {
  flex: 1; max-width: 180px; padding: 11px; border-radius: var(--radius-md);
  border: none; background: var(--green); color: #fff;
  font-family: var(--font-ui); font-size: 13px; font-weight: 600;
  cursor: pointer; transition: opacity var(--dur-fast), transform var(--dur-fast);
  min-height: 44px;
}
.btn-accept:active { transform: scale(0.97); }

.btn-retry {
  flex: 1; max-width: 130px; padding: 11px; border-radius: var(--radius-md);
  border: 1px solid var(--border-strong); background: transparent;
  color: var(--text-secondary); font-family: var(--font-ui);
  font-size: 13px; font-weight: 600;
  cursor: pointer; transition: all var(--dur-fast); min-height: 44px;
}
.btn-retry:hover { color: var(--text-primary); border-color: var(--text-primary); }

.scanner-actions {
  padding: 12px 16px 6px; display: flex; justify-content: center;
  align-items: center; gap: 10px; flex-shrink: 0;
}

.btn-capture {
  flex: 1; max-width: 260px; min-height: 50px; border-radius: var(--radius-lg);
  border: none; background: var(--blue); color: #fff;
  font-family: var(--font-ui); font-size: 14px; font-weight: 600;
  cursor: pointer; transition: opacity var(--dur-fast), transform var(--dur-fast);
  box-shadow: 0 4px 20px rgba(61,142,240,0.35);
  display: flex; align-items: center; justify-content: center; gap: 8px;
}
.btn-capture:disabled { opacity: 0.3; box-shadow: none; cursor: not-allowed; }
.btn-capture:not(:disabled):active { transform: scale(0.97); }

.btn-upload {
  width: 46px; height: 46px; border-radius: var(--radius-md); flex-shrink: 0;
  border: 1px solid var(--border-default); background: var(--bg-elevated);
  color: var(--text-secondary); font-size: 18px;
  cursor: pointer; display: flex; align-items: center; justify-content: center;
  transition: all var(--dur-fast);
}
.btn-upload:hover { border-color: var(--blue); color: var(--blue); }

#scanCanvas { display: none; }

#cameraBlockedPanel {
  flex-direction: column; align-items: center; justify-content: center;
  padding: 28px 20px; gap: 10px;
}

.blocked-icon { font-size: 36px; opacity: 0.4; }
.blocked-title { font-size: 14px; font-weight: 700; color: var(--text-primary); }
.blocked-msg {
  font-size: 11px; color: var(--text-secondary); font-family: var(--font-mono);
  text-align: center; letter-spacing: 0.03em;
}

/* ============================================================
   PWA INSTALL BANNER
   ============================================================ */
#installBanner {
  position: fixed;
  bottom: calc(var(--nav-h) + var(--safe-bottom) + 12px);
  left: 50%; transform: translateX(-50%) translateY(20px);
  background: var(--bg-elevated); border: 1px solid var(--border-strong);
  border-radius: var(--radius-lg); padding: 12px 16px;
  display: flex; align-items: center; gap: 12px;
  max-width: calc(100vw - 32px); width: 380px;
  box-shadow: 0 8px 40px rgba(0,0,0,0.6); z-index: 3000;
  opacity: 0; pointer-events: none;
  transition: opacity 0.4s, transform 0.4s var(--ease-spring);
}
#installBanner.show {
  opacity: 1; transform: translateX(-50%) translateY(0);
  pointer-events: all;
}
.install-icon { width: 38px; height: 38px; border-radius: 9px; object-fit: contain; flex-shrink: 0; }
.install-text { flex: 1; }
.install-text strong { display: block; font-size: 13px; font-weight: 600; color: var(--text-primary); }
.install-text span { font-size: 10px; color: var(--text-secondary); font-family: var(--font-mono); }
.install-actions { display: flex; gap: 6px; align-items: center; flex-shrink: 0; }
.install-yes {
  background: var(--blue); color: #fff; border: none;
  border-radius: 7px; padding: 7px 12px;
  font-family: var(--font-ui); font-size: 12px; font-weight: 600;
  cursor: pointer; min-height: 32px;
}
.install-dismiss {
  background: none; border: none; color: var(--text-tertiary);
  font-size: 16px; cursor: pointer; width: 32px; height: 32px;
  border-radius: 6px; display: flex; align-items: center; justify-content: center;
  transition: color var(--dur-fast);
}
.install-dismiss:hover { color: var(--text-primary); }

/* ============================================================
   TOAST
   ============================================================ */
#toast {
  position: fixed;
  bottom: calc(var(--nav-h) + var(--safe-bottom) + 16px);
  left: 50%; transform: translateX(-50%) translateY(16px);
  background: var(--text-primary); color: var(--bg-base);
  font-family: var(--font-mono); font-size: 11px; font-weight: 600;
  letter-spacing: 0.1em; text-transform: uppercase;
  padding: 9px 18px; border-radius: 99px;
  opacity: 0; pointer-events: none;
  transition: opacity 0.2s, transform 0.2s var(--ease-spring);
  z-index: 8000; white-space: nowrap;
}
#toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }

/* ============================================================
   METER BADGE
   ============================================================ */
.meter-badge {
  display: inline-flex; align-items: center; gap: 4px;
  font-size: 9px; font-weight: 700; letter-spacing: 0.1em;
  text-transform: uppercase; font-family: var(--font-mono);
  color: var(--blue); background: var(--blue-dim);
  border: 1px solid rgba(61,142,240,0.2); border-radius: 5px;
  padding: 2px 7px;
}

/* ============================================================
   UTILITIES
   ============================================================ */
.gap-8  { gap: 8px; }
.mt-8   { margin-top: 8px; }
.mb-8   { margin-bottom: 8px; }

/* ============================================================
   MOBILE RESPONSIVE
   ============================================================ */
@media (max-width: 380px) {
  .results-grid { grid-template-columns: 1fr 1fr; gap: 6px; padding: 10px; }
  .tile-value { font-size: 22px; }
  .stat-val   { font-size: 20px; }
}

@media (max-height: 600px) and (orientation: landscape) {
  .login-card { padding: 20px 24px; max-height: 90dvh; overflow-y: auto; }
  .login-logo { height: 24px; margin-bottom: 14px; }
}

  /* ============================================================
     AI DETECT PANEL
     ============================================================ */

  /* Header card */
  .ai-header-card {
    display: flex; align-items: flex-start; gap: 14px;
    background: linear-gradient(135deg, rgba(61,142,240,0.08) 0%, rgba(6,182,212,0.05) 100%);
    border: 1px solid rgba(61,142,240,0.18);
    border-radius: var(--radius-xl);
    padding: 16px;
  }

  .ai-header-icon {
    font-size: 32px; flex-shrink: 0; line-height: 1;
    filter: drop-shadow(0 2px 8px rgba(61,142,240,0.3));
  }

  .ai-header-title {
    font-size: 18px; font-weight: 700;
    letter-spacing: -0.02em; color: var(--text-primary);
    display: flex; align-items: center; gap: 8px;
  }

  .ai-header-sub {
    font-size: 12px; color: var(--text-secondary);
    font-family: var(--font-mono); letter-spacing: 0.02em;
    line-height: 1.5; margin-top: 4px;
  }

  /* Luigi mascot callout */
  .luigi-callout {
    display: flex; align-items: flex-end; gap: 0;
    margin-bottom: 2px;
  }

  .luigi-img {
    width: 108px; height: 108px;
    object-fit: contain; object-position: bottom;
    flex-shrink: 0; margin-right: -6px;
    filter: drop-shadow(0 4px 12px rgba(0,0,0,0.35));
    position: relative; z-index: 1;
  }

  .luigi-speech {
    flex: 1; position: relative;
  }

  .luigi-bubble {
    background: linear-gradient(135deg, rgba(61,142,240,0.13) 0%, rgba(6,182,212,0.08) 100%);
    border: 1px solid rgba(61,142,240,0.28);
    border-radius: 14px 14px 14px 4px;
    padding: 11px 14px 10px;
    position: relative;
  }

  .luigi-bubble::before {
    content: '';
    position: absolute; left: -8px; bottom: 18px;
    border-width: 5px 9px 5px 0;
    border-style: solid;
    border-color: transparent rgba(61,142,240,0.28) transparent transparent;
  }

  .luigi-bubble::after {
    content: '';
    position: absolute; left: -6px; bottom: 19px;
    border-width: 4px 8px 4px 0;
    border-style: solid;
    border-color: transparent rgba(8,12,28,0.92) transparent transparent;
  }

  .luigi-name {
    font-size: 11px; font-weight: 700;
    color: #3D8EF0; letter-spacing: 0.08em;
    text-transform: uppercase; margin-bottom: 4px;
    display: flex; align-items: center; gap: 6px;
  }

  .luigi-tag {
    font-size: 9px; font-weight: 600;
    background: rgba(61,142,240,0.18); color: #3D8EF0;
    border: 1px solid rgba(61,142,240,0.3);
    border-radius: 20px; padding: 1px 7px;
    letter-spacing: 0.06em; text-transform: uppercase;
  }

  .luigi-line {
    font-size: 12px; color: var(--text-primary);
    line-height: 1.55; margin-bottom: 7px;
  }

  .luigi-hint {
    display: flex; align-items: center; gap: 5px;
    font-size: 11px; color: var(--text-secondary);
    font-family: var(--font-mono);
  }

  .luigi-hint strong { color: #3D8EF0; font-weight: 600; }

  /* Light mode Luigi adjustments */
  [data-theme="light"] .luigi-bubble {
    background: linear-gradient(135deg, rgba(61,142,240,0.08) 0%, rgba(6,182,212,0.05) 100%);
    border-color: rgba(61,142,240,0.25);
  }

  [data-theme="light"] .luigi-bubble::after {
    border-color: transparent #f0f4fa transparent transparent;
  }

  /* Viewfinder */
  .ai-viewfinder-wrap {
    position: relative; width: 100%;
    border-radius: var(--radius-xl); overflow: hidden;
    background: #000; aspect-ratio: 16/10;
    border: 1px solid var(--border-subtle);
  }

  #aiVideo {
    width: 100%; height: 100%; object-fit: cover;
    display: block;
  }

  /* Scan overlay */
  .ai-scan-overlay {
    position: absolute; inset: 0; pointer-events: none;
  }

  /* Animated corners */
  .ai-corner {
    position: absolute; width: 24px; height: 24px;
    border-color: var(--blue); border-style: solid; opacity: 0.9;
    filter: drop-shadow(0 0 4px var(--blue));
  }
  .ai-corner.tl { top: 12px; left: 12px;  border-width: 3px 0 0 3px; border-radius: 4px 0 0 0; }
  .ai-corner.tr { top: 12px; right: 12px; border-width: 3px 3px 0 0; border-radius: 0 4px 0 0; }
  .ai-corner.bl { bottom: 12px; left: 12px;  border-width: 0 0 3px 3px; border-radius: 0 0 0 4px; }
  .ai-corner.br { bottom: 12px; right: 12px; border-width: 0 3px 3px 0; border-radius: 0 0 4px 0; }

  .ai-scan-line {
    position: absolute; left: 14px; right: 14px; height: 1.5px;
    background: linear-gradient(90deg, transparent, var(--blue), var(--teal), var(--blue), transparent);
    box-shadow: 0 0 10px var(--blue), 0 0 20px rgba(61,142,240,0.4);
    animation: aiSweep 2s ease-in-out infinite;
    border-radius: 2px; top: 14px;
  }

  @keyframes aiSweep {
    0%   { top: 14px; opacity: 1; }
    50%  { top: calc(100% - 16px); opacity: 1; }
    100% { top: 14px; opacity: 1; }
  }

  .ai-scan-hint {
    position: absolute; bottom: 10px; left: 50%;
    transform: translateX(-50%);
    background: rgba(0,0,0,0.7); color: #fff;
    font-family: var(--font-mono); font-size: 11px;
    padding: 5px 14px; border-radius: 20px;
    white-space: nowrap; backdrop-filter: blur(4px);
    letter-spacing: 0.04em; border: 1px solid rgba(255,255,255,0.1);
  }

  /* Frozen frame */
  .ai-frozen {
    position: absolute; inset: 0; background: #000;
  }
  #aiFrozenImg {
    width: 100%; height: 100%; object-fit: cover; opacity: 0.6;
  }

  .ai-processing-badge {
    position: absolute; bottom: 14px; left: 50%;
    transform: translateX(-50%);
    display: flex; align-items: center; gap: 8px;
    background: rgba(10,12,16,0.85); border: 1px solid var(--blue);
    border-radius: 20px; padding: 7px 16px;
    font-family: var(--font-mono); font-size: 11px; color: var(--blue);
    letter-spacing: 0.08em; text-transform: uppercase;
    backdrop-filter: blur(8px);
    box-shadow: 0 0 20px rgba(61,142,240,0.25);
  }

  .ai-spinner {
    width: 12px; height: 12px; border-radius: 50%;
    border: 2px solid rgba(61,142,240,0.3);
    border-top-color: var(--blue);
    animation: spin 0.7s linear infinite;
    flex-shrink: 0;
  }
  @keyframes spin { to { transform: rotate(360deg); } }

  /* Camera blocked state */
  .ai-blocked {
    position: absolute; inset: 0;
    display: flex; flex-direction: column; align-items: center;
    justify-content: center; gap: 10px; padding: 24px;
    background: var(--bg-base);
  }
  .ai-blocked-title {
    font-size: 15px; font-weight: 700; color: var(--text-primary);
  }
  .ai-blocked-msg {
    font-size: 11px; color: var(--text-secondary);
    font-family: var(--font-mono); text-align: center;
    letter-spacing: 0.03em; line-height: 1.5;
  }
  .ai-upload-btn {
    display: flex; align-items: center; gap: 7px;
    padding: 10px 18px; border-radius: var(--radius-md);
    background: var(--blue); color: #fff;
    font-family: var(--font-ui); font-size: 13px; font-weight: 600;
    cursor: pointer; min-height: 44px; margin-top: 6px;
    transition: opacity var(--dur-fast);
  }
  .ai-upload-btn:hover { opacity: 0.85; }

  /* Status bar */
  .ai-status-bar {
    display: flex; align-items: center; gap: 8px;
    padding: 9px 14px;
    background: var(--bg-card); border: 1px solid var(--border-subtle);
    border-radius: var(--radius-md);
  }
  .ai-status-dot {
    width: 7px; height: 7px; border-radius: 50%;
    background: var(--text-tertiary); flex-shrink: 0;
    transition: all 0.3s;
  }
  .ai-status-dot.ready   { background: var(--green);  box-shadow: 0 0 6px var(--green); }
  .ai-status-dot.working { background: var(--orange); box-shadow: 0 0 6px var(--orange); animation: pulse 0.8s infinite; }
  .ai-status-dot.success { background: var(--green);  box-shadow: 0 0 8px var(--green); }
  .ai-status-dot.error   { background: var(--red);    box-shadow: 0 0 6px var(--red); }

  .ai-status-text {
    font-family: var(--font-mono); font-size: 11px;
    color: var(--text-secondary); letter-spacing: 0.06em;
  }

  /* Action row */
  .ai-action-row {
    display: flex; gap: 10px; align-items: center;
  }

  .ai-capture-btn {
    flex: 1; min-height: 52px;
    display: flex; align-items: center; justify-content: center; gap: 10px;
    border: none; border-radius: var(--radius-lg);
    background: linear-gradient(135deg, var(--blue) 0%, #2563EB 100%);
    color: #fff; font-family: var(--font-ui);
    font-size: 15px; font-weight: 700; letter-spacing: -0.01em;
    cursor: pointer;
    box-shadow: 0 4px 24px rgba(61,142,240,0.4), inset 0 1px 0 rgba(255,255,255,0.15);
    transition: opacity var(--dur-fast), transform var(--dur-fast), box-shadow var(--dur-fast);
    touch-action: manipulation;
  }
  .ai-capture-btn:disabled {
    opacity: 0.3; box-shadow: none; cursor: not-allowed;
  }
  .ai-capture-btn:not(:disabled):active { transform: scale(0.97); }
  .ai-capture-btn:not(:disabled):hover {
    box-shadow: 0 6px 30px rgba(61,142,240,0.5), inset 0 1px 0 rgba(255,255,255,0.15);
  }

  .ai-upload-icon-btn {
    width: 52px; height: 52px; border-radius: var(--radius-md); flex-shrink: 0;
    background: var(--bg-card); border: 1px solid var(--border-default);
    color: var(--text-secondary); display: flex; align-items: center;
    justify-content: center; cursor: pointer; font-size: 18px;
    transition: all var(--dur-fast); touch-action: manipulation;
  }
  .ai-upload-icon-btn:hover { border-color: var(--blue); color: var(--blue); }

  /* ─── RESULT CARD ─────────────────────────────── */
  .ai-result-card {
    background: var(--bg-card); border: 1px solid var(--border-subtle);
    border-radius: var(--radius-xl); overflow: hidden;
    animation: panelEnter var(--dur-slow) var(--ease-spring) both;
  }

  /* Detected raw text */
  .ai-detected-row {
    display: flex; align-items: center; justify-content: space-between;
    padding: 12px 16px;
    background: var(--bg-overlay); border-bottom: 1px solid var(--border-subtle);
    gap: 12px; flex-wrap: wrap;
  }
  .ai-detected-label {
    font-size: 9px; font-weight: 700; letter-spacing: 0.12em;
    text-transform: uppercase; color: var(--text-tertiary);
    font-family: var(--font-mono); flex-shrink: 0;
  }
  .ai-detected-raw {
    font-family: var(--font-mono); font-size: 13px; font-weight: 500;
    color: var(--blue); background: var(--blue-dim);
    padding: 3px 10px; border-radius: 5px; letter-spacing: 0.04em;
    border: 1px solid rgba(61,142,240,0.2);
  }

  /* Matched error */
  .ai-error-match {
    padding: 14px 16px;
    border-bottom: 1px solid var(--border-subtle);
  }
  .ai-error-match-header {
    display: flex; align-items: center; gap: 10px; margin-bottom: 8px;
  }
  .ai-error-code-badge {
    font-family: var(--font-mono); font-size: 12px; font-weight: 700;
    color: var(--red); background: var(--red-dim);
    padding: 4px 8px; border-radius: 6px; letter-spacing: 0.08em;
    border: 1px solid var(--red-border); flex-shrink: 0;
    animation: numPop 0.3s var(--ease-spring) both;
  }
  .ai-error-title {
    font-size: 14px; font-weight: 700; color: var(--text-primary);
    letter-spacing: -0.01em;
  }
  .ai-error-desc {
    font-size: 11px; color: var(--text-secondary);
    font-family: var(--font-mono); line-height: 1.65;
    letter-spacing: 0.01em;
  }

  /* No match */
  .ai-no-match {
    display: flex; flex-direction: column; align-items: center;
    padding: 24px; gap: 8px;
    border-bottom: 1px solid var(--border-subtle);
  }
  .ai-no-match-icon { font-size: 28px; opacity: 0.5; }
  .ai-no-match-text {
    font-size: 12px; color: var(--text-secondary);
    font-family: var(--font-mono); text-align: center; letter-spacing: 0.03em;
    line-height: 1.5;
  }

  /* ─── VERDICT BOXES — the hero feature ─────────── */
  .ai-verdict { padding: 12px; display: flex; flex-direction: column; gap: 10px; }

  .ai-verdict-box {
    display: flex; align-items: flex-start; gap: 14px;
    padding: 14px; border-radius: var(--radius-lg);
    animation: verdictPop 0.45s var(--ease-spring) both;
  }

  @keyframes verdictPop {
    0%  { opacity: 0; transform: scale(0.94) translateY(8px); }
    60% { transform: scale(1.02); }
    100% { opacity: 1; transform: scale(1) translateY(0); }
  }

  .ai-verdict-box.green {
    background: rgba(34,197,94,0.10);
    border: 1.5px solid rgba(34,197,94,0.35);
    box-shadow: 0 0 20px rgba(34,197,94,0.08), inset 0 1px 0 rgba(34,197,94,0.1);
  }
  .ai-verdict-box.red {
    background: rgba(239,68,68,0.10);
    border: 1.5px solid rgba(239,68,68,0.35);
    box-shadow: 0 0 20px rgba(239,68,68,0.08), inset 0 1px 0 rgba(239,68,68,0.1);
  }

  .ai-verdict-icon {
    width: 36px; height: 36px; border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    font-size: 18px; font-weight: 900; flex-shrink: 0;
    animation: verdictPop 0.5s 0.05s var(--ease-spring) both;
  }
  .ai-verdict-box.green .ai-verdict-icon {
    background: rgba(34,197,94,0.2); color: var(--green);
    box-shadow: 0 0 12px rgba(34,197,94,0.3);
  }
  .ai-verdict-box.red .ai-verdict-icon {
    background: rgba(239,68,68,0.2); color: var(--red);
    box-shadow: 0 0 12px rgba(239,68,68,0.3);
  }

  .ai-verdict-title {
    font-size: 13px; font-weight: 700; letter-spacing: -0.01em;
    margin-bottom: 5px;
  }
  .ai-verdict-box.green .ai-verdict-title { color: var(--green); }
  .ai-verdict-box.red   .ai-verdict-title { color: var(--red); }

  .ai-verdict-body {
    font-size: 12px; color: var(--text-primary);
    font-family: var(--font-mono); line-height: 1.6;
    letter-spacing: 0.01em;
  }

  /* Manual reference */
  .ai-manual-ref {
    display: flex; align-items: flex-start; gap: 12px;
    padding: 12px 14px; border-radius: var(--radius-md);
    background: var(--bg-overlay);
    border: 1px solid var(--border-default);
    animation: verdictPop 0.45s 0.1s var(--ease-spring) both;
  }
  .ai-manual-ref-icon { font-size: 22px; flex-shrink: 0; margin-top: 1px; }
  .ai-manual-ref-title {
    font-size: 10px; font-weight: 700; letter-spacing: 0.1em;
    text-transform: uppercase; color: var(--text-tertiary);
    font-family: var(--font-mono); margin-bottom: 4px;
  }
  .ai-manual-ref-body {
    font-size: 12px; color: var(--text-primary);
    font-family: var(--font-mono); line-height: 1.55;
    letter-spacing: 0.01em;
  }

  /* Rescan button */
  .ai-rescan-btn {
    display: flex; align-items: center; justify-content: center; gap: 7px;
    width: 100%; padding: 12px;
    background: transparent; border: 1px solid var(--border-default);
    border-radius: 0 0 var(--radius-xl) var(--radius-xl);
    color: var(--text-secondary); font-family: var(--font-ui);
    font-size: 13px; font-weight: 600; cursor: pointer;
    transition: all var(--dur-fast); min-height: 48px;
    touch-action: manipulation;
    border-top: 1px solid var(--border-subtle);
  }
  .ai-rescan-btn:hover { background: var(--bg-overlay); color: var(--text-primary); }
  .ai-rescan-btn:active { transform: scale(0.98); }

  /* Meter context strip */
  .ai-meter-context {
    display: flex; align-items: center; justify-content: space-between;
    gap: 10px; flex-wrap: wrap;
    padding: 10px 14px;
    background: var(--bg-card); border: 1px solid var(--border-subtle);
    border-radius: var(--radius-md);
  }
  .ai-meter-context-label {
    font-size: 10px; font-weight: 700; letter-spacing: 0.1em;
    text-transform: uppercase; color: var(--text-tertiary);
    font-family: var(--font-mono); white-space: nowrap;
  }
  .ai-meter-pills { display: flex; gap: 6px; }
  .ai-meter-pill {
    padding: 5px 12px; border-radius: 99px;
    border: 1px solid var(--border-default);
    background: transparent; color: var(--text-secondary);
    font-family: var(--font-mono); font-size: 10px; font-weight: 600;
    letter-spacing: 0.08em; text-transform: uppercase;
    cursor: pointer; transition: all var(--dur-fast); min-height: 32px;
    touch-action: manipulation;
  }
  .ai-meter-pill.active {
    background: var(--blue-dim); color: var(--blue);
    border-color: var(--blue);
  }
  .ai-meter-pill:not(.active):hover { border-color: var(--border-strong); color: var(--text-primary); }


  /* ============================================================
     DRAFT MODE BANNER
     ============================================================ */
  .draft-banner {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 12px 14px;
    border-radius: var(--radius-lg);
    background: linear-gradient(135deg, rgba(239,68,68,0.12) 0%, rgba(239,68,68,0.06) 100%);
    border: 1.5px solid rgba(245,158,11,0.35);
    box-shadow: 0 2px 12px rgba(245,158,11,0.1), inset 0 1px 0 rgba(245,158,11,0.1);
    animation: verdictPop 0.4s var(--ease-spring) both;
    margin-bottom: 0;
  }

  .draft-banner-icon {
    font-size: 20px;
    flex-shrink: 0;
    line-height: 1;
    margin-top: 1px;
    animation: pulse 2s infinite;
  }

  .draft-banner-text {
    flex: 1;
    min-width: 0;
  }

  .draft-banner-text strong {
    display: block;
    font-size: 12px;
    font-weight: 700;
    color: var(--orange);
    letter-spacing: -0.01em;
    margin-bottom: 3px;
  }

  .draft-banner-text span {
    display: block;
    font-size: 10px;
    color: var(--text-secondary);
    font-family: var(--font-mono);
    line-height: 1.5;
    letter-spacing: 0.02em;
  }

  .draft-banner-dismiss {
    background: none;
    border: none;
    color: var(--text-tertiary);
    font-size: 14px;
    cursor: pointer;
    padding: 2px 4px;
    border-radius: 5px;
    transition: color var(--dur-fast);
    min-height: 28px;
    min-width: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    touch-action: manipulation;
  }
  .draft-banner-dismiss:hover { color: var(--text-primary); }

  /* Draft cpu chip — orange accent when active */
  #btn-S4PROB.active {
    background: rgba(239,68,68,0.10) !important;
    border-color: var(--orange) !important;
    box-shadow: 0 0 0 1px var(--orange) !important;
  }
  #btn-S4PROB.active .cpu-chip-name { color: var(--orange) !important; }
  #btn-S4PROB.active .cpu-chip-status { color: var(--orange) !important; }

  /* Draft result tiles — desaturated orange tint to signal provisional */
  .draft-mode .result-tile.green  {
    background: rgba(239,68,68,0.07) !important;
    border-color: rgba(239,68,68,0.15) !important;
  }
  .draft-mode .result-tile.blue   {
    background: rgba(239,68,68,0.06) !important;
    border-color: rgba(239,68,68,0.12) !important;
  }
  .draft-mode .result-tile.purple {
    background: rgba(239,68,68,0.08) !important;
    border-color: rgba(245,158,11,0.14) !important;
  }
  .draft-mode .result-tile.orange {
    background: rgba(239,68,68,0.10) !important;
    border-color: rgba(245,158,11,0.18) !important;
  }

  /* Draft watermark on result tiles */
  .draft-mode .result-tile::after {
    content: 'DRAFT';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) rotate(-15deg);
    font-size: 9px;
    font-weight: 900;
    font-family: var(--font-mono);
    letter-spacing: 0.25em;
    color: var(--orange);
    opacity: 0.12;
    pointer-events: none;
    white-space: nowrap;
  }


  /* ============================================================
     ERROR + AI DETECT SIDE-BY-SIDE ROW
     ============================================================ */
  .error-ai-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
  }

  .error-ai-col { display: flex; flex-direction: column; }

  /* Error toggle — yellow/amber theme */
  .error-toggle {
    width: 100%; height: 100%;
    display: flex; align-items: center; justify-content: space-between;
    padding: 12px 14px;
    background: var(--bg-card);
    border: 1.5px solid rgba(239,68,68,0.22);
    border-radius: var(--radius-lg);
    cursor: pointer; touch-action: manipulation;
    transition: all var(--dur-mid);
    min-height: 60px;
  }

  .error-toggle:hover {
    border-color: rgba(239,68,68,0.5);
    background: rgba(239,68,68,0.06);
  }

  .error-toggle.open {
    border-color: var(--orange);
    background: rgba(239,68,68,0.08);
    border-radius: var(--radius-lg) var(--radius-lg) 0 0;
    border-bottom-color: transparent;
  }

  .error-toggle-left {
    display: flex; align-items: center; gap: 10px;
  }

  .error-icon-wrap {
    width: 30px; height: 30px; border-radius: 8px; flex-shrink: 0;
    background: rgba(239,68,68,0.15);
    border: 1px solid rgba(239,68,68,0.3);
    display: flex; align-items: center; justify-content: center;
    color: var(--red);
  }

  .error-toggle-text strong {
    display: block; font-size: 12px; font-weight: 700;
    color: var(--text-primary); letter-spacing: -0.01em;
  }
  .error-toggle-text span {
    font-size: 9px; color: var(--text-secondary);
    font-family: var(--font-mono); letter-spacing: 0.04em;
  }

  .error-toggle-right { display: flex; align-items: center; gap: 7px; }

  .err-count {
    background: var(--red); color: #fff;
    font-size: 9px; font-weight: 800; font-family: var(--font-mono);
    padding: 2px 6px; border-radius: 99px; letter-spacing: 0.04em;
  }

  .err-chevron {
    color: var(--red); font-size: 10px;
    transition: transform var(--dur-mid) var(--ease-spring);
  }
  .error-toggle.open .err-chevron { transform: rotate(180deg); }

  /* AI Detect shortcut button */
  .ai-detect-shortcut {
    width: 100%; height: 100%;
    display: flex; align-items: center; justify-content: space-between;
    padding: 12px 14px;
    background: var(--bg-card);
    border: 1.5px solid rgba(61,142,240,0.22);
    border-radius: var(--radius-lg);
    cursor: pointer; touch-action: manipulation;
    transition: all var(--dur-mid); min-height: 60px;
  }

  .ai-detect-shortcut:hover {
    border-color: var(--blue);
    background: var(--blue-dim);
  }
  .ai-detect-shortcut:active { transform: scale(0.97); }

  .ai-shortcut-left { display: flex; align-items: center; gap: 10px; }

  .ai-shortcut-icon-wrap {
    width: 30px; height: 30px; border-radius: 8px; flex-shrink: 0;
    background: var(--blue-dim); border: 1px solid rgba(61,142,240,0.25);
    display: flex; align-items: center; justify-content: center;
    color: var(--blue);
  }

  .ai-shortcut-text strong {
    display: block; font-size: 12px; font-weight: 700;
    color: var(--text-primary); letter-spacing: -0.01em;
  }
  .ai-shortcut-text span {
    font-size: 9px; color: var(--text-secondary);
    font-family: var(--font-mono); letter-spacing: 0.04em;
  }

  .ai-shortcut-arrow {
    color: var(--blue); font-size: 14px; font-family: var(--font-mono);
    transition: transform var(--dur-fast);
  }
  .ai-detect-shortcut:hover .ai-shortcut-arrow { transform: translateX(3px); }

  /* AI Detect description strip */
  .ai-detect-desc {
    display: flex; align-items: flex-start; gap: 8px;
    padding: 9px 12px;
    background: var(--bg-elevated);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-md);
    font-size: 10px; color: var(--text-secondary);
    font-family: var(--font-mono); line-height: 1.5; letter-spacing: 0.02em;
  }
  .ai-detect-desc-icon { flex-shrink: 0; font-size: 14px; margin-top: 1px; }

  /* Error section — positioned context for floating panel */
  .error-section {
    position: relative;
    z-index: 200;
  }

  /* Error panel — floats as overlay, does NOT push content down */
  .error-panel {
    display: none;
    position: absolute;
    top: 100%;
    left: 0; right: 0;
    z-index: 9000;
    background: var(--bg-card);
    border: 1.5px solid rgba(239,68,68,0.5);
    border-radius: var(--radius-lg);
    box-shadow: 0 16px 48px rgba(0,0,0,0.65), 0 0 0 1px rgba(239,68,68,0.08);
    overflow: hidden;
    margin-top: 4px;
  }
  .error-panel.open {
    display: block;
    animation: slideDown var(--dur-mid) var(--ease-spring) both;
  }

  /* Error panel header bar */
  .err-panel-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px 14px 8px;
    background: var(--bg-overlay);
    border-bottom: 1px solid var(--border-subtle);
  }
  .err-panel-title {
    display: flex;
    align-items: center;
    gap: 7px;
    font-size: 11px;
    font-weight: 700;
    color: var(--red);
    letter-spacing: 0.04em;
    text-transform: uppercase;
  }
  .err-close-btn {
    width: 26px; height: 26px;
    border-radius: 6px; border: none;
    background: none; color: var(--text-tertiary);
    font-size: 13px; cursor: pointer;
    display: flex; align-items: center; justify-content: center;
    transition: all 0.15s;
  }
  .err-close-btn:hover { color: var(--text-primary); background: var(--bg-card); }

  .err-meter-tabs {
    display: grid; grid-template-columns: 1fr 1fr;
    border-bottom: 1px solid var(--border-subtle);
  }

  .err-tab {
    padding: 10px; border: none; background: transparent;
    cursor: pointer; font-family: var(--font-ui); font-size: 11px;
    font-weight: 600; letter-spacing: 0.04em; text-transform: uppercase;
    color: var(--text-tertiary); border-bottom: 2px solid transparent;
    transition: all var(--dur-fast); min-height: 40px; touch-action: manipulation;
  }
  .err-tab.active { color: var(--red); border-bottom-color: var(--red); background: rgba(239,68,68,0.07); }

  .err-search-wrap {
    display: flex; align-items: center; gap: 8px;
    padding: 10px 14px; background: var(--bg-overlay);
    border-bottom: 1px solid var(--border-subtle);
    position: sticky; top: 0; z-index: 10;
  }

  .err-search-wrap input {
    flex: 1; background: var(--bg-input);
    border: 1.5px solid var(--border-default);
    border-radius: var(--radius-sm); color: var(--text-primary);
    font-family: var(--font-mono); font-size: max(16px, 13px);
    padding: 7px 11px; outline: none; transition: border-color var(--dur-fast);
  }
  .err-search-wrap input:focus { border-color: var(--red); }
  .err-search-wrap input::placeholder { color: var(--text-tertiary); }

  .err-clear-btn {
    width: 32px; height: 32px; border-radius: 6px; border: none;
    background: none; color: var(--text-tertiary); font-size: 14px;
    cursor: pointer; display: flex; align-items: center; justify-content: center;
    transition: color var(--dur-fast); min-height: 32px; min-width: 32px;
  }
  .err-clear-btn:hover { color: var(--text-primary); }

  .err-list {
    max-height: 340px; overflow-y: auto;
    scrollbar-width: thin; scrollbar-color: var(--border-strong) transparent;
  }

  .err-item {
    display: block;
    padding: 12px 14px;
    border-bottom: 1px solid var(--border-subtle);
    transition: background var(--dur-fast);
  }
  .err-item:last-child { border-bottom: none; }
  .err-item:hover { background: var(--bg-overlay); }

  .err-item-header {
    display: flex; align-items: center; gap: 8px;
    margin-bottom: 6px; flex-wrap: nowrap;
  }

  .err-code-badge {
    font-family: var(--font-mono); font-size: 10px; font-weight: 800;
    color: var(--red); background: rgba(239,68,68,0.12);
    padding: 3px 7px; border-radius: 5px; letter-spacing: 0.06em;
    white-space: nowrap; flex-shrink: 0;
    border: 1px solid rgba(239,68,68,0.25);
  }

  .err-item-title {
    font-size: 12px; font-weight: 600; color: var(--text-primary);
    letter-spacing: -0.01em;
    overflow-wrap: break-word; word-break: break-word;
  }

  .err-item-body {
    font-size: 10px; color: var(--text-secondary);
    font-family: var(--font-mono); line-height: 1.6; letter-spacing: 0.01em;
    overflow-wrap: break-word; word-break: break-word;
    padding-left: 2px;
  }

  .match-hl { background: rgba(239,68,68,0.22); border-radius: 2px; padding: 0 2px; }

  .err-empty {
    padding: 28px; text-align: center;
    color: var(--text-secondary); font-family: var(--font-mono);
    font-size: 11px; letter-spacing: 0.08em;
  }

  /* ============================================================
     MICROCONTROLLER SUB-SELECTOR
     ============================================================ */
  .mcu-section { animation: panelEnter 0.3s var(--ease-spring) both; }

  .draft-chip {
    display: inline-flex; align-items: center; gap: 3px;
    font-size: 8px; font-weight: 700; letter-spacing: 0.1em;
    color: var(--orange); background: rgba(239,68,68,0.12);
    border: 1px solid rgba(239,68,68,0.25); border-radius: 4px;
    padding: 1px 6px; font-family: var(--font-mono); text-transform: uppercase;
  }

  .mcu-chip {
    display: flex; flex-direction: column; align-items: center; gap: 5px;
    padding: 10px 6px; border-radius: var(--radius-md);
    background: var(--bg-elevated);
    border: 1.5px solid rgba(239,68,68,0.2);
    cursor: pointer; touch-action: manipulation;
    transition: all var(--dur-fast); min-height: 44px; width: 100%;
  }

  .mcu-chip:hover {
    border-color: rgba(245,158,11,0.45);
    background: rgba(239,68,68,0.06);
  }

  .mcu-chip.active {
    background: rgba(239,68,68,0.10);
    border-color: var(--orange);
    box-shadow: 0 0 0 1px var(--orange);
  }
  .mcu-chip.active .cpu-chip-name { color: var(--orange); }
  .mcu-chip.active .cpu-chip-status { color: var(--orange); }

  .mcu-chip:active { transform: scale(0.97); }

  .sub-chip-btn { transition: border-color .15s, background .15s; }
  .sub-chip-btn.active { border-color: var(--blue) !important; background: var(--blue-dim, rgba(61,142,240,.15)) !important; color: var(--blue) !important; }
  .sub-chip-btn.active div { color: var(--blue) !important; opacity:.8; }
  .mcu-draft-note {
    margin-top: 10px; padding: 9px 12px;
    background: rgba(239,68,68,0.06);
    border: 1px solid rgba(239,68,68,0.2);
    border-radius: var(--radius-sm);
    font-size: 10px; color: var(--orange);
    font-family: var(--font-mono); line-height: 1.5; letter-spacing: 0.03em;
  }

  @media (max-width: 380px) {
    .error-ai-row { grid-template-columns: 1fr; }
  }


  /* ============================================================
     SERIAL NUMBER INPUT — PD METER ONLY
     ============================================================ */
  .serial-row {
    margin-top: 14px;
    animation: panelEnter 0.3s var(--ease-spring) both;
  }

  .serial-divider {
    display: flex; align-items: center; gap: 10px;
    margin-bottom: 12px;
  }

  .serial-divider-line {
    flex: 1; height: 1px;
    background: linear-gradient(90deg, transparent, rgba(61,142,240,0.3), transparent);
  }

  .serial-divider-label {
    font-size: 8px; font-weight: 700;
    letter-spacing: 0.18em; text-transform: uppercase;
    color: var(--blue); font-family: var(--font-mono);
    white-space: nowrap;
    padding: 2px 8px;
    background: var(--blue-dim);
    border: 1px solid rgba(61,142,240,0.2);
    border-radius: 99px;
  }

  .serial-required-badge {
    display: inline-flex; align-items: center;
    margin-left: 6px;
    font-size: 8px; font-weight: 700;
    letter-spacing: 0.1em; text-transform: uppercase;
    color: var(--blue); background: var(--blue-dim);
    border: 1px solid rgba(61,142,240,0.2);
    border-radius: 4px; padding: 1px 5px;
    font-family: var(--font-mono);
    vertical-align: middle;
  }

  /* Serial input gets a distinct blue focus ring */
  #serialInput {
    font-size: max(16px, 14px) !important;
    letter-spacing: 0.04em;
    text-transform: uppercase;
  }

  #serialInput:focus {
    border-color: var(--blue) !important;
    box-shadow: 0 0 0 3px var(--blue-dim) !important;
  }

  .serial-hint {
    font-size: 9px; color: var(--text-tertiary);
    font-family: var(--font-mono); letter-spacing: 0.04em;
    line-height: 1.5; margin-top: 5px;
    display: flex; align-items: flex-start; gap: 5px;
  }

  .serial-hint::before {
    content: "ℹ";
    flex-shrink: 0; color: var(--blue); font-style: normal;
  }


  /* ============================================================
     MANUAL DOWNLOADS
     ============================================================ */
  .manual-downloads {
    margin-top: 12px;
    border-top: 1px solid var(--border-subtle);
    padding-top: 12px;
    display: flex;
    flex-direction: column;
    gap: 8px;
  }

  .manual-group-label {
    display: flex; align-items: center; gap: 6px;
    font-size: 9px; font-weight: 700;
    letter-spacing: 0.12em; text-transform: uppercase;
    color: var(--text-tertiary); font-family: var(--font-mono);
    margin-bottom: 6px;
  }
  .manual-group-label svg { color: var(--blue); flex-shrink: 0; }

  .manual-item {
    display: flex; align-items: center; gap: 12px;
    padding: 11px 14px;
    background: var(--bg-elevated);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-md);
    text-decoration: none; cursor: pointer;
    transition: all var(--dur-fast); min-height: 48px;
    touch-action: manipulation;
    position: relative; overflow: hidden;
  }

  a.manual-item:hover {
    border-color: var(--blue);
    background: var(--blue-dim);
  }
  a.manual-item:hover .manual-download-arrow {
    color: var(--blue);
    transform: translateY(2px);
  }
  a.manual-item:active { transform: scale(0.98); }

  /* Shimmer effect on hover */
  a.manual-item::before {
    content: '';
    position: absolute; top: 0; left: -100%; width: 60%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(61,142,240,0.06), transparent);
    transition: left 0.5s ease;
    pointer-events: none;
  }
  a.manual-item:hover::before { left: 150%; }

  .manual-item-pending {
    opacity: 0.45; cursor: not-allowed;
  }

  .manual-item-icon {
    font-size: 20px; flex-shrink: 0; line-height: 1;
  }

  .manual-item-body { flex: 1; min-width: 0; }

  .manual-item-title {
    font-size: 12px; font-weight: 600;
    color: var(--text-primary); letter-spacing: -0.01em;
    white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
  }

  .manual-item-meta {
    font-size: 9px; color: var(--text-secondary);
    font-family: var(--font-mono); letter-spacing: 0.04em;
    margin-top: 2px;
    white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
  }

  .manual-download-arrow {
    font-size: 16px; color: var(--text-tertiary);
    font-family: var(--font-mono); flex-shrink: 0;
    transition: transform var(--dur-fast), color var(--dur-fast);
  }

  .manual-pending-badge {
    font-size: 8px; font-weight: 700; font-family: var(--font-mono);
    letter-spacing: 0.1em; text-transform: uppercase;
    background: var(--bg-overlay); color: var(--text-tertiary);
    border: 1px solid var(--border-default);
    border-radius: 4px; padding: 2px 7px; flex-shrink: 0;
  }


  /* ============================================================
     MANUAL DOWNLOADS SECTION
     ============================================================ */
  .manual-section {
    margin-top: 10px;
    animation: panelEnter 0.3s var(--ease-spring) both;
  }

  .manual-section-label {
    font-size: 9px; font-weight: 700; letter-spacing: 0.14em;
    text-transform: uppercase; color: var(--text-tertiary);
    font-family: var(--font-mono); margin-bottom: 8px;
    display: flex; align-items: center; gap: 6px;
  }

  .manual-section-label::after {
    content: ''; flex: 1; height: 1px;
    background: var(--border-subtle);
  }

  .manual-cards { display: flex; flex-direction: column; gap: 6px; }

  .manual-card {
    display: flex; align-items: center; gap: 12px;
    padding: 11px 14px;
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-md);
    text-decoration: none;
    cursor: pointer; touch-action: manipulation;
    transition: all var(--dur-fast);
    min-height: 52px;
    position: relative;
    overflow: hidden;
  }

  .manual-card::before {
    content: '';
    position: absolute; left: 0; top: 0; bottom: 0; width: 3px;
    background: var(--blue);
    border-radius: 3px 0 0 3px;
    opacity: 0;
    transition: opacity var(--dur-fast);
  }

  .manual-card:hover {
    border-color: rgba(61,142,240,0.3);
    background: var(--blue-dim);
    transform: translateX(2px);
  }

  .manual-card:hover::before { opacity: 1; }
  .manual-card:active { transform: scale(0.98); }

  .manual-card-icon {
    width: 36px; height: 36px; border-radius: 8px; flex-shrink: 0;
    display: flex; align-items: center; justify-content: center;
    font-size: 18px;
    background: rgba(239,68,68,0.10);
    border: 1px solid rgba(239,68,68,0.2);
  }

  .manual-card-body { flex: 1; min-width: 0; }

  .manual-card-title {
    font-size: 12px; font-weight: 700; color: var(--text-primary);
    letter-spacing: -0.01em; margin-bottom: 2px;
    white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
  }

  .manual-card-meta {
    display: flex; align-items: center; gap: 6px; flex-wrap: wrap;
  }

  .manual-card-tag {
    font-size: 8px; font-weight: 700; letter-spacing: 0.1em;
    text-transform: uppercase; font-family: var(--font-mono);
    padding: 1px 5px; border-radius: 3px;
  }
  .manual-card-tag.pdf  { background: rgba(239,68,68,0.12); color: var(--red); }
  .manual-card-tag.doc  { background: rgba(61,142,240,0.12); color: var(--blue); }
  .manual-card-tag.rev  { background: var(--bg-overlay); color: var(--text-tertiary); }

  .manual-card-size {
    font-size: 9px; color: var(--text-tertiary);
    font-family: var(--font-mono); letter-spacing: 0.04em;
  }

  .manual-card-dl {
    flex-shrink: 0;
    font-size: 14px; color: var(--blue); opacity: 0;
    transition: opacity var(--dur-fast);
  }
  .manual-card:hover .manual-card-dl { opacity: 1; }

  /* Coming soon state */
  .manual-card.coming-soon {
    opacity: 0.5; cursor: not-allowed;
  }
  .manual-card.coming-soon:hover {
    transform: none;
    background: var(--bg-card);
    border-color: var(--border-subtle);
  }
  .manual-card.coming-soon::before { display: none; }

  .manual-card-tag.soon {
    background: rgba(245,158,11,0.12); color: var(--orange);
  }


  /* ============================================================
     CALCULATION MODE SELECTOR
     ============================================================ */
  .mode-selector-wrap {
    margin-bottom: 14px;
    position: relative;
  }

  .mode-selector-label {
    display: flex; align-items: center; gap: 6px;
    font-size: 9px; font-weight: 700; letter-spacing: 0.12em;
    text-transform: uppercase; color: var(--text-tertiary);
    font-family: var(--font-mono); margin-bottom: 7px;
  }
  .mode-selector-label svg { color: var(--blue); }

  /* Dropdown trigger button */
  .mode-dropdown-btn {
    width: 100%; display: flex; align-items: center; gap: 10px;
    padding: 11px 14px;
    background: var(--bg-elevated);
    border: 1.5px solid var(--border-default);
    border-radius: var(--radius-md);
    cursor: pointer; touch-action: manipulation;
    transition: all var(--dur-fast); min-height: 46px;
    font-family: var(--font-ui);
    position: relative; z-index: 1;
  }
  .mode-dropdown-btn:hover {
    border-color: var(--blue);
    background: var(--blue-dim);
  }
  .mode-dropdown-btn.open {
    border-color: var(--blue);
    background: var(--blue-dim);
    border-radius: var(--radius-md) var(--radius-md) 0 0;
    border-bottom-color: transparent;
  }

  .mode-btn-dot {
    width: 8px; height: 8px; border-radius: 50%; flex-shrink: 0;
    transition: background 0.2s, box-shadow 0.2s;
  }

  .mode-btn-label {
    flex: 1; font-size: 13px; font-weight: 600;
    color: var(--text-primary); letter-spacing: -0.01em;
    text-align: left;
  }

  .mode-btn-chevron {
    color: var(--text-tertiary); flex-shrink: 0;
    transition: transform var(--dur-mid) var(--ease-spring);
  }
  .mode-dropdown-btn.open .mode-btn-chevron { transform: rotate(180deg); }

  /* Dropdown menu */
  .mode-dropdown-menu {
    position: absolute; left: 0; right: 0;
    background: var(--bg-elevated);
    border: 1.5px solid var(--blue);
    border-top: none;
    border-radius: 0 0 var(--radius-lg) var(--radius-lg);
    z-index: 200;
    box-shadow: 0 12px 40px rgba(0,0,0,0.5);
    overflow: hidden;
    animation: slideDown var(--dur-mid) var(--ease-spring) both;
  }

  .mode-dropdown-header {
    padding: 8px 14px 6px;
    font-size: 8px; font-weight: 700; letter-spacing: 0.14em;
    text-transform: uppercase; color: var(--text-tertiary);
    font-family: var(--font-mono);
    border-bottom: 1px solid var(--border-subtle);
    background: var(--bg-overlay);
  }

  .mode-option {
    width: 100%; display: flex; align-items: center; gap: 12px;
    padding: 11px 14px;
    background: transparent; border: none; border-bottom: 1px solid var(--border-subtle);
    cursor: pointer; touch-action: manipulation;
    transition: background var(--dur-fast);
    text-align: left;
  }
  .mode-option:last-child { border-bottom: none; }
  .mode-option:hover { background: var(--bg-overlay); }
  .mode-option.active { background: var(--blue-dim); }

  .mode-option-dot {
    width: 8px; height: 8px; border-radius: 50%; flex-shrink: 0;
  }
  .mode-option-dot.orange { background: var(--orange); box-shadow: 0 0 5px var(--orange); }
  .mode-option-dot.blue   { background: var(--blue);   box-shadow: 0 0 5px var(--blue); }
  .mode-option-dot.green  { background: var(--green);  box-shadow: 0 0 5px var(--green); }
  .mode-option-dot.teal   { background: var(--teal);   box-shadow: 0 0 5px var(--teal); }
  .mode-option-dot.purple { background: var(--purple); box-shadow: 0 0 5px var(--purple); }
  .mode-option-dot.red    { background: var(--red);    box-shadow: 0 0 5px var(--red); }

  .mode-option-body { flex: 1; min-width: 0; }

  .mode-option-name {
    display: block; font-size: 12px; font-weight: 600;
    color: var(--text-primary); letter-spacing: -0.01em;
  }
  .mode-option.active .mode-option-name { color: var(--blue); }

  .mode-option-desc {
    display: block; font-size: 9px; color: var(--text-tertiary);
    font-family: var(--font-mono); letter-spacing: 0.03em;
    margin-top: 1px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
  }

  .mode-option-check {
    font-size: 12px; color: var(--blue); font-weight: 700;
    flex-shrink: 0; min-width: 16px; text-align: center;
  }

  /* Result grid — single focused tile when mode selected */
  .results-grid.mode-focused .result-tile {
    opacity: 0.3;
    filter: grayscale(0.5);
    transform: scale(0.97);
    transition: all 0.25s var(--ease-spring);
  }
  .results-grid.mode-focused .result-tile.mode-active {
    opacity: 1;
    filter: none;
    transform: scale(1.03);
    box-shadow: 0 4px 20px rgba(0,0,0,0.3);
  }

  /* Draft note on draft modes */
  .mode-draft-note {
    margin-top: 10px; padding: 9px 12px;
    background: rgba(245,158,11,0.07);
    border: 1px solid rgba(245,158,11,0.2);
    border-radius: var(--radius-sm);
    font-size: 10px; color: var(--orange);
    font-family: var(--font-mono); line-height: 1.5; letter-spacing: 0.03em;
    display: none;
  }
  .mode-draft-note.show { display: block; }
  .mode-draft-note-id { display: none; }

  /* dot colors on main btn */
  .mode-btn-dot.orange { background: var(--orange); box-shadow: 0 0 5px var(--orange); }
  .mode-btn-dot.blue   { background: var(--blue);   box-shadow: 0 0 5px var(--blue); }
  .mode-btn-dot.green  { background: var(--green);  box-shadow: 0 0 5px var(--green); }
  .mode-btn-dot.teal   { background: var(--teal);   box-shadow: 0 0 5px var(--teal); }
  .mode-btn-dot.purple { background: var(--purple); box-shadow: 0 0 5px var(--purple); }
  .mode-btn-dot.red    { background: var(--red);    box-shadow: 0 0 5px var(--red); }


  /* ============================================================
     ALGORITHM SETTINGS PANEL + CALC ALERTS
     ============================================================ */
  .calc-alert {
    padding: 10px 14px; border-radius: var(--radius-md);
    font-family: var(--font-mono); font-size: 11px; line-height: 1.55;
    letter-spacing: 0.03em; margin-bottom: 10px; display: none;
    animation: panelEnter 0.25s var(--ease-spring) both;
  }
  .calc-alert-invalid {
    background: var(--red-dim); border: 1px solid var(--red-border);
    color: var(--red);
  }
  .calc-alert-warning {
    background: rgba(245,158,11,0.10); border: 1px solid rgba(245,158,11,0.3);
    color: var(--orange);
  }

  /* Settings section */
  .settings-group { margin-bottom: 14px; }
  .settings-group-label {
    font-size: 9px; font-weight: 700; letter-spacing: 0.14em;
    text-transform: uppercase; color: var(--text-tertiary);
    font-family: var(--font-mono); margin-bottom: 8px;
    display: flex; align-items: center; gap: 6px;
  }
  .settings-grid {
    display: grid; grid-template-columns: 1fr 1fr; gap: 8px;
  }

  .cfg-field { display: flex; flex-direction: column; gap: 5px; }
  .cfg-field label {
    font-size: 9px; font-weight: 600; letter-spacing: 0.1em;
    text-transform: uppercase; color: var(--text-tertiary);
    font-family: var(--font-mono);
  }
  .cfg-field input {
    background: var(--bg-input); border: 1.5px solid var(--border-default);
    border-radius: var(--radius-sm); color: var(--text-primary);
    font-family: var(--font-mono); font-size: 13px; font-weight: 500;
    padding: 8px 10px; outline: none; transition: border-color var(--dur-fast);
    -moz-appearance: textfield;
  }
  .cfg-field input::-webkit-outer-spin-button,
  .cfg-field input::-webkit-inner-spin-button { -webkit-appearance: none; }
  .cfg-field input:focus { border-color: var(--blue); box-shadow: 0 0 0 3px var(--blue-dim); }
  .cfg-field input.error { border-color: var(--red); }

  /* ATC toggle */
  .atc-toggle-row {
    display: flex; align-items: center; justify-content: space-between;
    padding: 11px 14px;
    background: var(--bg-elevated); border: 1px solid var(--border-subtle);
    border-radius: var(--radius-md);
  }
  .atc-toggle-left strong {
    display: block; font-size: 12px; font-weight: 600; color: var(--text-primary);
  }
  .atc-toggle-left span {
    font-size: 10px; color: var(--text-secondary); font-family: var(--font-mono);
    letter-spacing: 0.04em;
  }
  /* Toggle switch */
  .toggle-switch {
    position: relative; width: 42px; height: 24px; flex-shrink: 0;
  }
  .toggle-switch input { opacity: 0; width: 0; height: 0; }
  .toggle-slider {
    position: absolute; inset: 0; background: var(--bg-overlay);
    border: 1.5px solid var(--border-strong); border-radius: 12px;
    cursor: pointer; transition: all var(--dur-fast);
  }
  .toggle-slider::before {
    content: ''; position: absolute;
    width: 16px; height: 16px; border-radius: 50%;
    background: var(--text-tertiary);
    left: 3px; top: 2px; transition: all var(--dur-fast) var(--ease-spring);
  }
  .toggle-switch input:checked + .toggle-slider { background: var(--blue-dim); border-color: var(--blue); }
  .toggle-switch input:checked + .toggle-slider::before { transform: translateX(18px); background: var(--blue); }

  .settings-actions {
    display: flex; gap: 8px; margin-top: 12px;
  }
  .btn-apply {
    flex: 1; padding: 11px; border-radius: var(--radius-md);
    border: none; background: var(--blue); color: #fff;
    font-family: var(--font-ui); font-size: 13px; font-weight: 600;
    cursor: pointer; transition: opacity var(--dur-fast); min-height: 44px;
    touch-action: manipulation;
  }
  .btn-apply:hover { opacity: 0.85; }
  .btn-reset-cfg {
    padding: 11px 16px; border-radius: var(--radius-md);
    border: 1px solid var(--border-default); background: transparent;
    color: var(--text-secondary); font-family: var(--font-ui);
    font-size: 13px; font-weight: 600; cursor: pointer;
    transition: all var(--dur-fast); min-height: 44px; touch-action: manipulation;
  }
  .btn-reset-cfg:hover { border-color: var(--red); color: var(--red); background: var(--red-dim); }

  .verified-badge {
    display: inline-flex; align-items: center; gap: 4px;
    font-size: 8px; font-weight: 700; letter-spacing: 0.1em;
    text-transform: uppercase; color: var(--green);
    background: var(--green-dim); border: 1px solid rgba(34,197,94,0.2);
    border-radius: 4px; padding: 1px 6px; font-family: var(--font-mono);
  }


  /* ============================================================
     PIN VERIFICATION LAB
     ============================================================ */

  /* Header */
  .lab-header-card {
    display: flex; align-items: flex-start; gap: 14px;
    background: linear-gradient(135deg, rgba(168,85,247,0.08) 0%, rgba(61,142,240,0.05) 100%);
    border: 1px solid rgba(168,85,247,0.2);
    border-radius: var(--radius-xl); padding: 16px;
  }
  .lab-header-icon { font-size: 30px; flex-shrink: 0; line-height: 1; }
  .lab-header-title {
    font-size: 17px; font-weight: 700; letter-spacing: -0.02em;
    color: var(--text-primary);
  }
  .lab-header-sub {
    font-size: 11px; color: var(--text-secondary);
    font-family: var(--font-mono); letter-spacing: 0.02em;
    line-height: 1.5; margin-top: 4px;
  }

  /* Progress grid — one tile per PIN type */
  .lab-progress-grid {
    display: grid; grid-template-columns: repeat(2, 1fr); gap: 8px;
  }
  @media (min-width: 400px) { .lab-progress-grid { grid-template-columns: repeat(3, 1fr); } }

  .lab-progress-tile {
    background: var(--bg-card); border: 1.5px solid var(--border-subtle);
    border-radius: var(--radius-md); padding: 11px 12px;
    transition: all var(--dur-fast);
  }
  .lab-progress-tile.verified {
    border-color: var(--green);
    background: var(--green-dim);
    box-shadow: 0 0 12px rgba(34,197,94,0.12);
  }
  .lab-progress-tile.partial { border-color: var(--orange); background: rgba(245,158,11,0.06); }
  .lab-progress-tile.failing { border-color: var(--red); background: var(--red-dim); }

  .lab-tile-name {
    font-size: 10px; font-weight: 700; color: var(--text-secondary);
    font-family: var(--font-mono); letter-spacing: 0.06em;
    text-transform: uppercase; margin-bottom: 7px;
    white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
  }
  .lab-progress-tile.verified .lab-tile-name { color: var(--green); }
  .lab-progress-tile.partial  .lab-tile-name { color: var(--orange); }
  .lab-progress-tile.failing  .lab-tile-name { color: var(--red); }

  .lab-progress-bar-wrap {
    height: 5px; background: var(--bg-overlay); border-radius: 3px; overflow: hidden;
    margin-bottom: 6px;
  }
  .lab-progress-bar {
    height: 100%; border-radius: 3px;
    background: var(--border-strong);
    transition: width 0.5s var(--ease-spring), background 0.3s;
  }
  .lab-progress-tile.verified .lab-progress-bar { background: var(--green); }
  .lab-progress-tile.partial  .lab-progress-bar { background: var(--orange); }
  .lab-progress-tile.failing  .lab-progress-bar { background: var(--red); }

  .lab-tile-stats {
    display: flex; align-items: center; justify-content: space-between;
  }
  .lab-tile-streak {
    font-family: var(--font-mono); font-size: 18px; font-weight: 700;
    color: var(--text-primary); line-height: 1;
  }
  .lab-tile-streak span { font-size: 10px; color: var(--text-tertiary); font-weight: 400; }

  .lab-tile-status {
    font-size: 9px; font-weight: 700; font-family: var(--font-mono);
    letter-spacing: 0.08em; text-transform: uppercase; padding: 2px 6px;
    border-radius: 4px;
  }
  .status-unverified { color: var(--text-tertiary); background: var(--bg-overlay); }
  .status-testing    { color: var(--orange); background: rgba(245,158,11,0.1); }
  .status-verified   { color: var(--green); background: var(--green-dim); }
  .status-failing    { color: var(--red); background: var(--red-dim); }

  /* Session badge */
  .lab-session-badge {
    font-size: 9px; font-family: var(--font-mono); font-weight: 600;
    letter-spacing: 0.08em; color: var(--purple); background: var(--purple-dim);
    border: 1px solid rgba(168,85,247,0.2); border-radius: 5px; padding: 2px 7px;
  }

  /* Preview grid */
  .lab-preview {
    background: var(--bg-elevated); border: 1px solid var(--border-subtle);
    border-radius: var(--radius-md); padding: 11px 13px;
  }
  .lab-preview-label {
    font-size: 9px; font-weight: 700; letter-spacing: 0.12em;
    text-transform: uppercase; color: var(--text-tertiary);
    font-family: var(--font-mono); margin-bottom: 8px;
  }
  .lab-preview-grid {
    display: grid; grid-template-columns: repeat(2, 1fr); gap: 6px;
  }
  @media (min-width: 380px) { .lab-preview-grid { grid-template-columns: repeat(4, 1fr); } }
  .lab-preview-item { display: flex; flex-direction: column; gap: 2px; }
  .lab-preview-item-label {
    font-size: 8px; font-weight: 700; letter-spacing: 0.1em;
    text-transform: uppercase; color: var(--text-tertiary);
    font-family: var(--font-mono);
  }
  .lab-preview-item-val {
    font-family: var(--font-mono); font-size: 14px; font-weight: 600;
    color: var(--text-primary); letter-spacing: 0.02em;
  }
  .lab-preview-item.active-pin .lab-preview-item-val { color: var(--blue); }
  .lab-preview-item.active-pin .lab-preview-item-label { color: var(--blue); }

  /* Compare row */
  .lab-compare-row {
    display: grid; grid-template-columns: 1fr auto 1fr; gap: 10px;
    align-items: center;
  }
  .lab-our-answer, .lab-original-answer { display: flex; flex-direction: column; gap: 5px; }
  .lab-compare-label {
    font-size: 9px; font-weight: 700; letter-spacing: 0.12em;
    text-transform: uppercase; color: var(--text-tertiary);
    font-family: var(--font-mono);
  }
  .lab-compare-value {
    font-family: var(--font-mono); font-size: 22px; font-weight: 700;
    color: var(--blue); letter-spacing: 0.02em; min-height: 32px;
  }
  .lab-vs {
    font-size: 11px; font-weight: 700; color: var(--text-tertiary);
    font-family: var(--font-mono); letter-spacing: 0.1em; text-align: center;
    padding: 0 4px;
  }
  .lab-original-input {
    background: var(--bg-input); border: 1.5px solid var(--border-default);
    border-radius: var(--radius-md); color: var(--text-primary);
    font-family: var(--font-mono); font-size: max(16px, 18px); font-weight: 600;
    padding: 8px 12px; outline: none; width: 100%;
    transition: border-color var(--dur-fast), box-shadow var(--dur-fast);
    letter-spacing: 0.04em;
  }
  .lab-original-input:focus { border-color: var(--purple); box-shadow: 0 0 0 3px var(--purple-dim); }
  .lab-original-input.match   { border-color: var(--green); box-shadow: 0 0 0 3px var(--green-dim); }
  .lab-original-input.no-match{ border-color: var(--red);   box-shadow: 0 0 0 3px var(--red-dim); }

  /* Verdict row */
  .lab-verdict-row {
    display: flex; align-items: center; gap: 10px;
    padding: 10px 13px; border-radius: var(--radius-md);
    animation: panelEnter 0.25s var(--ease-spring) both;
  }
  .lab-verdict-row.match    { background: var(--green-dim); border: 1px solid rgba(34,197,94,0.25); }
  .lab-verdict-row.no-match { background: var(--red-dim);   border: 1px solid var(--red-border); }

  .lab-match-badge {
    font-size: 18px; flex-shrink: 0;
  }
  .lab-verdict-detail {
    font-family: var(--font-mono); font-size: 11px; line-height: 1.5;
    letter-spacing: 0.03em; color: var(--text-primary);
  }

  /* Test log */
  .lab-log-wrap {
    background: var(--bg-card); border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg); overflow: hidden;
  }
  .lab-log-empty {
    padding: 24px; text-align: center;
    color: var(--text-tertiary); font-family: var(--font-mono);
    font-size: 11px; letter-spacing: 0.08em;
  }
  .lab-log-row {
    display: grid;
    grid-template-columns: 28px 60px 80px 80px 80px 80px auto;
    gap: 6px; padding: 9px 12px;
    border-bottom: 1px solid var(--border-subtle);
    align-items: center; font-family: var(--font-mono); font-size: 10px;
    color: var(--text-secondary); transition: background var(--dur-fast);
  }
  .lab-log-row:last-child { border-bottom: none; }
  .lab-log-row:hover { background: var(--bg-overlay); }
  .lab-log-row.match-row   { border-left: 2px solid var(--green); }
  .lab-log-row.nomatch-row { border-left: 2px solid var(--red); }

  .lab-log-hdr {
    display: grid;
    grid-template-columns: 28px 60px 80px 80px 80px 80px auto;
    gap: 6px; padding: 8px 12px;
    background: var(--bg-overlay); border-bottom: 1px solid var(--border-subtle);
    font-size: 8px; font-weight: 700; letter-spacing: 0.12em;
    text-transform: uppercase; color: var(--text-tertiary);
    font-family: var(--font-mono); position: sticky; top: 0; z-index: 10;
  }

  .lab-result-icon { font-size: 13px; text-align: center; }
  .lab-pin-type-tag {
    font-size: 8px; font-weight: 700; padding: 2px 5px; border-radius: 4px;
    letter-spacing: 0.06em; text-transform: uppercase;
    background: var(--blue-dim); color: var(--blue);
    white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
  }

  .lab-delta {
    font-size: 10px; font-weight: 600;
    padding: 2px 6px; border-radius: 4px; text-align: center;
  }
  .lab-delta.zero   { color: var(--green); background: var(--green-dim); }
  .lab-delta.nonzero{ color: var(--red);   background: var(--red-dim); }

  /* Pattern analysis */
  .pattern-row {
    display: flex; align-items: center; justify-content: space-between;
    padding: 9px 12px;
    background: var(--bg-elevated); border: 1px solid var(--border-subtle);
    border-radius: var(--radius-md); margin-bottom: 6px;
    font-family: var(--font-mono); font-size: 11px;
  }
  .pattern-label { color: var(--text-secondary); letter-spacing: 0.04em; }
  .pattern-val   { color: var(--text-primary); font-weight: 600; }
  .pattern-delta-val { color: var(--orange); font-weight: 700; }

  @media (max-width: 440px) {
    .lab-log-row, .lab-log-hdr {
      grid-template-columns: 24px 50px 72px 72px 72px 72px auto;
      font-size: 9px;
    }
  }


  /* ─── Lab config row ─────────────────────────────── */
  .lab-config-row {
    background: var(--bg-elevated);
    border: 1.5px solid rgba(168,85,247,0.2);
    border-radius: var(--radius-lg);
    padding: 13px 14px;
  }

  .lab-config-label {
    display: flex; align-items: center; gap: 6px; flex-wrap: wrap;
    font-size: 9px; font-weight: 700; letter-spacing: 0.12em;
    text-transform: uppercase; color: var(--purple);
    font-family: var(--font-mono); margin-bottom: 12px;
  }
  .lab-config-label svg { color: var(--purple); flex-shrink: 0; }

  .lab-config-note {
    font-size: 9px; font-weight: 400; letter-spacing: 0.04em;
    color: var(--text-tertiary); text-transform: none;
    font-family: var(--font-mono);
  }

  .lab-config-grid {
    display: flex; flex-direction: column; gap: 10px;
  }

  .lab-config-group-label {
    font-size: 9px; font-weight: 700; letter-spacing: 0.1em;
    text-transform: uppercase; color: var(--text-tertiary);
    font-family: var(--font-mono); margin-bottom: 6px;
    display: flex; align-items: center; gap: 6px;
  }

  .lab-optional-tag {
    font-size: 8px; font-weight: 400; letter-spacing: 0.06em;
    color: var(--text-tertiary); text-transform: none;
    background: var(--bg-overlay); border-radius: 3px; padding: 1px 4px;
  }

  .lab-config-chips {
    display: flex; flex-wrap: wrap; gap: 6px;
  }

  .lab-cfg-chip {
    padding: 6px 12px; border-radius: 99px;
    border: 1.5px solid var(--border-default);
    background: var(--bg-input); color: var(--text-secondary);
    font-family: var(--font-mono); font-size: 11px; font-weight: 600;
    letter-spacing: 0.06em; cursor: pointer;
    transition: all var(--dur-fast); min-height: 34px;
    touch-action: manipulation;
  }
  .lab-cfg-chip:active { transform: scale(0.96); }
  .lab-cfg-chip.active {
    background: var(--purple-dim); color: var(--purple);
    border-color: var(--purple);
    box-shadow: 0 0 0 1px var(--purple);
  }

  /* Config summary badge in log */
  .lab-config-tag {
    font-size: 8px; font-weight: 700; letter-spacing: 0.06em;
    padding: 2px 6px; border-radius: 4px;
    background: rgba(168,85,247,0.12); color: var(--purple);
    white-space: nowrap;
  }

  /* Update log grid to fit config column */
  .lab-log-hdr,
  .lab-log-row {
    grid-template-columns: 22px 48px 60px 64px 60px 60px 52px 72px auto !important;
  }


  /* ─── Lab serial number section ──────────────────── */
  .lab-serial-section {
    background: var(--bg-elevated);
    border: 1.5px solid rgba(6,182,212,0.2);
    border-radius: var(--radius-lg);
    padding: 13px 14px;
    display: flex; flex-direction: column; gap: 10px;
  }

  .lab-serial-label {
    display: flex; align-items: center; gap: 6px; flex-wrap: wrap;
    font-size: 9px; font-weight: 700; letter-spacing: 0.12em;
    text-transform: uppercase; color: var(--teal);
    font-family: var(--font-mono);
  }
  .lab-serial-label svg { color: var(--teal); flex-shrink: 0; }

  .lab-serial-note {
    font-size: 9px; font-weight: 400; letter-spacing: 0.04em;
    color: var(--text-tertiary); text-transform: none;
    font-family: var(--font-mono); flex-basis: 100%;
    line-height: 1.4;
  }

  .lab-serial-input-row {
    display: flex; gap: 8px; align-items: center;
  }

  .lab-serial-input {
    flex: 1;
    background: var(--bg-input); border: 1.5px solid rgba(6,182,212,0.3);
    border-radius: var(--radius-md); color: var(--text-primary);
    font-family: var(--font-mono); font-size: max(16px, 16px); font-weight: 600;
    padding: 10px 13px; outline: none; letter-spacing: 0.06em;
    text-transform: uppercase;
    transition: border-color var(--dur-fast), box-shadow var(--dur-fast);
  }
  .lab-serial-input:focus {
    border-color: var(--teal);
    box-shadow: 0 0 0 3px rgba(6,182,212,0.15);
  }
  .lab-serial-input.default-serial {
    color: var(--orange); border-color: rgba(245,158,11,0.4);
  }

  .lab-serial-default-btn {
    padding: 9px 13px; border-radius: var(--radius-md); flex-shrink: 0;
    border: 1.5px solid rgba(245,158,11,0.3);
    background: rgba(245,158,11,0.06); color: var(--orange);
    font-family: var(--font-mono); font-size: 10px; font-weight: 700;
    letter-spacing: 0.08em; text-transform: uppercase;
    cursor: pointer; transition: all var(--dur-fast); min-height: 42px;
    touch-action: manipulation;
  }
  .lab-serial-default-btn:hover {
    background: rgba(245,158,11,0.14); border-color: var(--orange);
  }
  .lab-serial-default-btn:active { transform: scale(0.97); }

  /* Serial analysis breakdown */
  .lab-serial-analysis {
    background: var(--bg-overlay);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-sm);
    padding: 10px 12px;
    display: flex; flex-direction: column; gap: 5px;
  }

  .serial-stat-row {
    display: flex; align-items: center; justify-content: space-between;
    font-family: var(--font-mono); font-size: 10px;
  }
  .serial-stat-label { color: var(--text-tertiary); letter-spacing: 0.06em; }
  .serial-stat-val   { color: var(--text-primary); font-weight: 600; }
  .serial-stat-val.highlight { color: var(--teal); }
  .serial-stat-val.warning   { color: var(--orange); }

  .serial-default-badge {
    display: inline-flex; align-items: center; gap: 4px;
    font-size: 8px; font-weight: 700; letter-spacing: 0.1em;
    text-transform: uppercase; color: var(--orange);
    background: rgba(245,158,11,0.1); border: 1px solid rgba(245,158,11,0.25);
    border-radius: 4px; padding: 1px 6px; font-family: var(--font-mono);
  }


  /* ─── Serial has/no toggle ───────────────────────── */
  .lab-serial-header {
    display: flex; align-items: center;
    justify-content: space-between; gap: 10px;
    flex-wrap: wrap;
  }

  .lab-serial-toggle-row {
    display: flex; gap: 6px;
  }

  .lab-serial-toggle-btn {
    padding: 5px 13px; border-radius: 99px;
    border: 1.5px solid var(--border-default);
    background: var(--bg-input); color: var(--text-tertiary);
    font-family: var(--font-mono); font-size: 10px; font-weight: 700;
    letter-spacing: 0.06em; cursor: pointer;
    transition: all var(--dur-fast); min-height: 32px;
    touch-action: manipulation;
  }
  .lab-serial-toggle-btn:active { transform: scale(0.96); }

  .lab-serial-toggle-btn.active[id="btnHasSerial"] {
    background: rgba(6,182,212,0.1); color: var(--teal);
    border-color: var(--teal);
    box-shadow: 0 0 0 1px var(--teal);
  }
  .lab-serial-toggle-btn.active[id="btnNoSerial"] {
    background: rgba(245,158,11,0.1); color: var(--orange);
    border-color: var(--orange);
    box-shadow: 0 0 0 1px var(--orange);
  }

  /* No serial box */
  .lab-no-serial-box {
    display: flex; align-items: center; gap: 12px;
    padding: 11px 14px;
    background: rgba(245,158,11,0.07);
    border: 1.5px solid rgba(245,158,11,0.3);
    border-radius: var(--radius-md);
  }
  .lab-no-serial-icon { font-size: 20px; flex-shrink: 0; }
  .lab-no-serial-title {
    font-size: 12px; font-weight: 700; color: var(--orange);
    letter-spacing: -0.01em;
  }
  .lab-no-serial-sub {
    font-size: 10px; color: var(--text-secondary);
    font-family: var(--font-mono); letter-spacing: 0.03em; margin-top: 2px;
  }
  .lab-no-serial-val {
    font-weight: 700; color: var(--orange); font-size: 12px;
    letter-spacing: 0.06em;
  }


  /* ─── Lab Pin Seed / Pin Incr meta row ───────────── */
  .lab-pin-meta-row {
    background: var(--bg-elevated);
    border: 1.5px solid rgba(168,85,247,0.18);
    border-radius: var(--radius-lg);
    padding: 13px 14px;
    display: flex; flex-direction: column; gap: 10px;
  }

  .lab-pin-meta-label {
    display: flex; align-items: center; gap: 6px; flex-wrap: wrap;
    font-size: 9px; font-weight: 700; letter-spacing: 0.12em;
    text-transform: uppercase; color: var(--purple);
    font-family: var(--font-mono);
  }
  .lab-pin-meta-label svg { color: var(--purple); flex-shrink: 0; }

  .lab-pin-meta-grid {
    display: grid; grid-template-columns: 1fr 1fr; gap: 10px;
    align-items: end;
  }

  .lab-pin-auto-val {
    font-family: var(--font-mono); font-size: 22px; font-weight: 700;
    color: var(--purple); letter-spacing: 0.04em;
    padding: 6px 0; min-height: 38px;
    border-bottom: 1.5px solid rgba(168,85,247,0.2);
  }

  .lab-pin-incr-input {
    background: var(--bg-input); border: 1.5px solid rgba(168,85,247,0.25);
    border-radius: var(--radius-md); color: var(--text-primary);
    font-family: var(--font-mono); font-size: max(16px,18px); font-weight: 600;
    padding: 7px 11px; outline: none; width: 100%;
    transition: border-color var(--dur-fast), box-shadow var(--dur-fast);
    letter-spacing: 0.06em;
  }
  .lab-pin-incr-input:focus {
    border-color: var(--purple);
    box-shadow: 0 0 0 3px var(--purple-dim);
  }


  /* ─── 8-tile results grid ────────────────────────────────────── */
  .results-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
  }

  /* Verified badge on tile */
  .tile-verified {
    position: absolute; top: 6px; right: 30px;
    font-size: 9px; font-weight: 800;
    color: var(--green); opacity: 0.8;
    font-family: var(--font-mono);
  }

  /* Draft badge on tile */
  .tile-draft {
    position: absolute; top: 6px; right: 30px;
    font-size: 9px; color: var(--orange); opacity: 0.7;
  }

  /* Draft tiles — slightly muted */
  .result-tile.draft-tile {
    /* All tiles verified — no opacity reduction */
    opacity: 1;
  }
  .result-tile.draft-tile .tile-value {
    color: var(--text-tertiary);
    font-size: 20px;
  }

  /* Teal tile colour */
  .result-tile.teal {
    background: linear-gradient(135deg, rgba(6,182,212,0.12) 0%, rgba(6,182,212,0.04) 100%);
    border-color: rgba(6,182,212,0.2);
  }
  .result-tile.teal .tile-dot { background: var(--teal); box-shadow: 0 0 6px var(--teal); }
  .result-tile.teal .tile-label { color: var(--teal); }
  .result-tile.teal:hover { border-color: var(--teal); }


  /* ─── Serial Intelligence Card ───────────────────────── */
  .serial-intel-header {
    display: flex; align-items: flex-start; gap: 10px;
    padding: 11px 13px;
    background: var(--bg-elevated);
    border: 1.5px solid rgba(61,142,240,0.25);
    border-radius: var(--radius-md);
    animation: panelEnter 0.25s var(--ease-spring) both;
  }
  .serial-intel-icon { font-size: 18px; flex-shrink: 0; margin-top: 1px; }
  .serial-intel-body { flex: 1; min-width: 0; }
  .serial-intel-title {
    font-size: 12px; font-weight: 700; color: var(--text-primary);
    letter-spacing: -0.01em; display: flex; align-items: center;
    gap: 7px; flex-wrap: wrap;
  }
  .serial-intel-badge {
    font-size: 8px; font-weight: 700; letter-spacing: 0.1em;
    text-transform: uppercase; font-family: var(--font-mono);
    border: 1px solid; border-radius: 4px; padding: 1px 6px;
  }
  .serial-intel-meta {
    font-size: 10px; color: var(--text-tertiary);
    font-family: var(--font-mono); letter-spacing: 0.04em; margin-top: 3px;
  }
  .serial-intel-algo {
    font-size: 10px; font-weight: 700; font-family: var(--font-mono);
    letter-spacing: 0.04em; margin-top: 4px;
  }
  .serial-intel-notes {
    font-size: 9px; color: var(--text-secondary);
    font-family: var(--font-mono); letter-spacing: 0.03em;
    line-height: 1.5; margin-top: 4px;
  }


  /* ── Page header bar ─────────────────────────────────── */
  .page-header-bar {
    display: flex; align-items: center; justify-content: space-between;
    padding: 14px 4px 10px; margin-bottom: 4px;
  }
  .page-header-title {
    display: flex; align-items: center; gap: 8px;
    font-size: 17px; font-weight: 700; color: var(--text-primary);
    letter-spacing: -.01em;
  }
  .page-header-icon { font-size: 18px; opacity: .8; }
  .page-header-actions { display: flex; gap: 8px; }
  .btn-ghost-sm {
    padding: 5px 12px; background: var(--bg-overlay); color: var(--text-secondary);
    border: 1px solid var(--border-default); border-radius: 6px;
    font-size: 11px; font-weight: 600; cursor: pointer;
    transition: all .15s;
  }
  .btn-ghost-sm:hover { color: var(--text-primary); border-color: var(--blue); }
  .btn-ghost-sm.danger { color: #F87171; }
  .btn-ghost-sm.danger:hover { border-color: #F87171; background: rgba(248,113,113,.1); }
  .btn-delete-user { color: #ef4444 !important; border-color: rgba(239,68,68,0.35) !important; background: rgba(239,68,68,0.06) !important; }
  .btn-primary-sm {
    padding: 8px 18px; background: var(--blue); color: #fff;
    border: none; border-radius: 6px; font-size: 12px; font-weight: 700; cursor: pointer;
  }

  /* ── KPI row ─────────────────────────────────────────── */
  .dash-kpi-row {
    display: grid; grid-template-columns: repeat(5, 1fr); gap: 10px;
    margin-bottom: 12px;
  }
  @media (max-width: 520px) { .dash-kpi-row { grid-template-columns: repeat(3,1fr); } }
  .dash-kpi {
    background: var(--bg-card); border: 1px solid var(--border-default);
    border-radius: 10px; padding: 12px 10px; text-align: center;
  }
  .dash-kpi-val {
    font-size: 26px; font-weight: 800; color: var(--blue);
    line-height: 1.1; font-variant-numeric: tabular-nums;
  }
  .dash-kpi-lbl { font-size: 10px; color: var(--text-secondary); margin-top: 2px; letter-spacing: .04em; }

  /* ── Dash card ───────────────────────────────────────── */
  .dash-card {
    background: var(--bg-card); border: 1px solid var(--border-default);
    border-radius: 12px; overflow: hidden; margin-bottom: 12px;
  }
  .dash-card-header {
    display: flex; align-items: center; justify-content: space-between;
    padding: 10px 14px; border-bottom: 1px solid var(--border-default);
    font-size: 12px; font-weight: 700; color: var(--text-secondary);
    letter-spacing: .06em; text-transform: uppercase;
  }
  .dash-filter-select {
    padding: 4px 10px; background: var(--bg-overlay); color: var(--text-primary);
    border: 1px solid var(--border-default); border-radius: 6px;
    font-size: 11px; outline: none;
  }

  /* ── Report log table ────────────────────────────────── */
  .dash-table-wrap { overflow-x: auto; }
  .dash-table-head {
    display: grid; grid-template-columns: 130px 90px 100px 1fr;
    padding: 6px 14px; background: var(--bg-overlay);
    font-size: 10px; font-weight: 700; color: var(--text-secondary);
    letter-spacing: .07em; text-transform: uppercase;
    border-bottom: 1px solid var(--border-default);
  }
  .dash-table-head > span { min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
  .dash-table-body { max-height: 420px; overflow-y: auto; }
  .dash-log-row {
    display: grid; grid-template-columns: 130px 90px 100px 1fr;
    padding: 7px 14px; border-bottom: 1px solid var(--border-default);
    font-size: 11px; color: var(--text-primary); align-items: center;
    transition: background .1s;
  }
  .dash-log-row > span { min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
  .dash-log-row > span:last-child { white-space: normal; overflow: visible; }
  .dash-log-row:hover { background: var(--bg-overlay); }
  .dash-log-row:last-child { border-bottom: none; }
  .dash-empty { padding: 28px 14px; text-align: center; color: var(--text-secondary); font-size: 12px; }

  /* ── Event type chips ────────────────────────────────── */
  .ev-chip {
    display: inline-block; padding: 1px 7px; border-radius: 99px;
    font-size: 10px; font-weight: 700; letter-spacing: .03em;
  }
  .ev-CALC      { background: rgba(61,142,240,.15); color: var(--blue); }
  .ev-LOGIN     { background: rgba(34,197,94,.12);  color: #22C55E; }
  .ev-USER_CREATE { background: rgba(168,85,247,.15); color: #A855F7; }
  .ev-rate_limit  { background: rgba(248,113,113,.15); color: #F87171; }
  .ev-default     { background: var(--bg-overlay); color: var(--text-secondary); }

  /* ── Users table ─────────────────────────────────────── */
  .users-table-head {
    display: grid;
    grid-template-columns: 28px 30px 120px 110px 115px 95px 65px 85px 1fr;
    padding: 6px 14px; background: var(--bg-overlay);
    font-size: 10px; font-weight: 700; color: var(--text-secondary);
    letter-spacing: .07em; text-transform: uppercase;
    border-bottom: 1px solid var(--border-default); min-width: 800px;
  }
  .users-table-wrap { overflow-x: auto; }
  .users-table-row {
    display: grid;
    grid-template-columns: 28px 30px 120px 110px 115px 95px 65px 85px 1fr;
    padding: 8px 14px; border-bottom: 1px solid var(--border-default);
    font-size: 11px; color: var(--text-primary); align-items: center;
    min-width: 800px; transition: background .12s;
  }
  .users-table-row:hover { background: var(--bg-overlay); }
  .users-table-row:last-child { border-bottom: none; }
  .users-table-footer {
    padding: 8px 14px; font-size: 10px; color: var(--text-secondary);
    border-top: 1px solid var(--border-default); text-align: right;
  }
  .pw-reveal { font-family: monospace; cursor: pointer; letter-spacing: .08em; }
  .pw-reveal:hover { color: var(--blue); }


/* ═══════════════════════════════════════════════════════════════
   FULL-PAGE LAYOUT — each panel = one complete isolated screen
   ═══════════════════════════════════════════════════════════════ */


/* ════════════════════════════════════════════════════════
   LAYOUT — authoritative, single source of truth
   ════════════════════════════════════════════════════════ */

/* Root chain — every element must pass height down */
html {
  height: 100%;
  overflow: hidden;
}
body {
  height: 100%;
  overflow: hidden;
  margin: 0;
  padding: 0;
  /* Keep font/color from original body rule above */
}

#appRoot {
  height: 100%;
  width: 100%;
  position: relative;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

/* Login screen — covers everything, hidden after auth */
#loginScreen {
  position: absolute !important;
  inset: 0 !important;
  z-index: 9000 !important;
  /* display controlled by JS — not set here */
  align-items: center;
  justify-content: center;
  padding: 20px;
  background: var(--bg-base);
}

/* Main app shell */
#mainApp {
  position: absolute;
  inset: 0;
  /* display:none via inline HTML style; JS sets display:flex on login */
  flex-direction: column;
  overflow: hidden;
  background: var(--bg-base);
}

/* ── Top bar ── */
#topBar {
  flex: 0 0 auto;
  width: 100%;
  background: rgba(10,12,16,0.95);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-subtle);
  z-index: 500;             /* above panels so dropdown can escape */
  position: relative;       /* needed for z-index to take effect */
}
.topbar-inner {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  padding: 8px 14px;
  min-height: 50px;
  box-sizing: border-box;
  gap: 8px;
  flex-wrap: nowrap;
  position: relative;
}
/* Europump logo at far left — sits in normal flow, flex pushes it left */
.topbar-logo-left {
  height: 22px;
  width: auto;
  flex-shrink: 0;
  margin-right: auto;  /* pushes everything else to the right */
}
/* ABYSS DECODER title centred via absolute positioning */
.topbar-brand {
  display: flex;
  align-items: center;
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  pointer-events: none;
  white-space: nowrap;
}
.topbar-logo {
  height: 22px;
  width: auto;
  flex-shrink: 0;
}
/* Remove any old topbar-logo inside brand (it's now outside as topbar-logo-left) */
.topbar-brand .topbar-logo { display: none; }
.topbar-title {
  font-size: 14px;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.topbar-title span { color: var(--blue); }
.topbar-actions {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-shrink: 0;
}

/* ── Pages wrapper: takes ALL remaining space ── */
#pagesWrap {
  flex: 1 1 auto;
  position: relative;
  overflow: hidden;
  min-height: 0;
}

/* ── Panels: each fills pagesWrap, scrolls internally ── */
.panel {
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  display: none;
  flex-direction: column;
  overflow-y: auto;
  overflow-x: hidden;
  -webkit-overflow-scrolling: touch;
  overscroll-behavior: contain;
  padding: 12px 14px 80px;
  background: var(--bg-base);
  box-sizing: border-box;
}
.panel.active {
  display: flex;
}

/* ── Bottom nav ── */
#bottomNav {
  flex: 0 0 auto;
  display: flex;
  position: relative;
  width: 100%;
  height: 56px;
  background: rgba(10,12,16,0.97);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border-top: 1px solid var(--border-subtle);
  box-sizing: border-box;
  padding-bottom: env(safe-area-inset-bottom, 0px);
  z-index: 200;
}
.bottom-nav-inner {
  display: flex;
  width: 100%;
  height: 56px;
  align-items: center;
  justify-content: space-around;
}
.nav-item {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2px;
  height: 100%;
  padding: 0 2px;
  border: none;
  background: none;
  cursor: pointer;
  color: var(--text-tertiary);
  transition: color 0.15s;
  touch-action: manipulation;
  -webkit-tap-highlight-color: transparent;
  position: relative;
}
.nav-item.active { color: var(--blue); }
.nav-item::before {
  content: '';
  position: absolute;
  top: 0; left: 20%; right: 20%;
  height: 2px;
  background: var(--blue);
  border-radius: 0 0 2px 2px;
  transform: scaleX(0);
  transition: transform 0.15s;
}
.nav-item.active::before { transform: scaleX(1); }
.nav-item-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  pointer-events: none;
  transition: transform 0.15s;
}
.nav-item.active .nav-item-icon { transform: translateY(-1px); }
.nav-item-label {
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  white-space: nowrap;
  pointer-events: none;
}

/* ── Session & auth chips ── */
.session-chip {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 4px 10px;
  border-radius: 99px;
  font-size: 10px;
  font-weight: 700;
  font-family: var(--font-mono);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  white-space: nowrap;
  border: 1px solid transparent;
}
.session-chip.admin      { background: var(--purple-dim); color: var(--purple); border-color: rgba(168,85,247,0.2); }
.session-chip.europump   { background: var(--blue-dim);   color: var(--blue);   border-color: var(--blue-glow); }
.session-chip.technician,
.session-chip.service    { background: var(--green-dim);  color: var(--green);  border-color: rgba(34,197,94,0.2); }
/* chip sub-elements */
.chip-role  { opacity: 0.75; font-size: 9px; }
.chip-sep   { opacity: 0.35; font-size: 9px; }
.chip-user  { font-size: 11px; font-weight: 800; letter-spacing: 0.02em; }

.logout-chip {
  padding: 5px 12px;
  background: rgba(248,113,113,0.08);
  color: #F87171;
  border: 1px solid rgba(248,113,113,0.2);
  border-radius: 6px;
  font-size: 11px;
  font-weight: 600;
  cursor: pointer;
  white-space: nowrap;
  transition: all 0.15s;
  -webkit-tap-highlight-color: transparent;
}
.logout-chip:hover, .logout-chip:active {
  background: rgba(248,113,113,0.16);
}

.icon-btn {
  width: 32px; height: 32px;
  border-radius: 6px;
  border: 1px solid var(--border-default);
  background: var(--bg-elevated);
  color: var(--text-secondary);
  font-size: 14px;
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  transition: all 0.15s;
  flex-shrink: 0;
  -webkit-tap-highlight-color: transparent;
}

/* ── Page headers inside panels ── */
.page-header-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 4px 0 12px;
  margin-bottom: 8px;
  border-bottom: 1px solid var(--border-subtle);
  gap: 8px;
  flex-wrap: nowrap;
}
.page-header-title {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 16px;
  font-weight: 700;
  color: var(--text-primary);
  flex: 1 1 0;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.page-header-icon { font-size: 18px; opacity: 0.75; flex-shrink: 0; }
.page-header-actions { flex-shrink: 0; display: flex; gap: 8px; }

/* ── Small utility buttons ── */
.btn-ghost-sm {
  padding: 6px 12px;
  background: var(--bg-elevated);
  color: var(--text-secondary);
  border: 1px solid var(--border-default);
  border-radius: 6px;
  font-size: 11px;
  font-weight: 600;
  cursor: pointer;
  white-space: nowrap;
  transition: all 0.15s;
  -webkit-tap-highlight-color: transparent;
}
.btn-ghost-sm:hover { color: var(--text-primary); border-color: var(--blue); }
.btn-ghost-sm.danger { color: #F87171; }
.btn-ghost-sm.danger:hover { border-color: #F87171; }
.btn-set-pw {
  color: var(--blue) !important;
  border-color: rgba(61,142,240,0.3) !important;
  background: rgba(61,142,240,0.06) !important;
  font-size: 9px !important;
  padding: 2px 7px !important;
}
.btn-set-pw:hover {
  background: rgba(61,142,240,0.12) !important;
  border-color: rgba(61,142,240,0.5) !important;
}
.pw-reveal {
  cursor: pointer;
  font-family: var(--font-mono);
  color: var(--text-tertiary);
  border-radius: 3px;
  padding: 1px 3px;
  transition: color 0.15s;
}
.pw-reveal:hover { color: var(--text-secondary); }
.pw-reveal-unset {
  font-family: inherit !important;
  font-size: 9px !important;
  color: var(--text-tertiary) !important;
  border: 1px dashed var(--border-default);
  border-radius: 4px;
  padding: 1px 5px;
  cursor: default;
  opacity: 0.7;
}
.btn-delete-user {
  color: #ef4444 !important;
  border-color: rgba(239,68,68,0.35) !important;
  background: rgba(239,68,68,0.06) !important;
  font-size: 9px !important;
  padding: 2px 7px !important;
}
.btn-delete-user:hover {
  background: rgba(239,68,68,0.14) !important;
  border-color: rgba(239,68,68,0.6) !important;
  color: #ff6b6b !important;
}
.btn-primary-sm {
  padding: 7px 16px;
  background: var(--blue);
  color: #fff;
  border: none;
  border-radius: 6px;
  font-size: 12px;
  font-weight: 700;
  cursor: pointer;
  white-space: nowrap;
  -webkit-tap-highlight-color: transparent;
}

/* ── Add User button ── */
.btn-add-user {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  background: var(--blue);
  color: #fff;
  border: none;
  border-radius: 8px;
  font-size: 13px;
  font-weight: 700;
  cursor: pointer;
  white-space: nowrap;
  box-shadow: 0 2px 10px rgba(61,142,240,0.35);
  -webkit-tap-highlight-color: transparent;
  touch-action: manipulation;
}
.btn-add-user:active { background: #2563EB; transform: scale(0.97); }
.btn-create-user {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 9px 18px;
  background: linear-gradient(135deg, #3D8EF0, #2563EB);
  color: #fff;
  border: none;
  border-radius: 7px;
  font-size: 13px;
  font-weight: 700;
  cursor: pointer;
  white-space: nowrap;
  box-shadow: 0 2px 8px rgba(61,142,240,0.3);
  -webkit-tap-highlight-color: transparent;
}

/* ── Dashboard KPI tiles ── */
.dash-kpi-row {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 8px;
  margin-bottom: 12px;
}
@media (max-width: 480px) { .dash-kpi-row { grid-template-columns: repeat(3, 1fr); } }
.dash-kpi {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: 10px;
  padding: 12px 8px;
  text-align: center;
}
.dash-kpi-val {
  font-size: 24px;
  font-weight: 800;
  color: var(--blue);
  line-height: 1.1;
}
.dash-kpi-lbl {
  font-size: 9px;
  color: var(--text-secondary);
  margin-top: 3px;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  font-weight: 600;
}

/* ── Dash cards ── */
.dash-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: 12px;
  overflow: hidden;
  margin-bottom: 12px;
}
.dash-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 14px;
  border-bottom: 1px solid var(--border-subtle);
  font-size: 11px;
  font-weight: 700;
  color: var(--text-secondary);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  background: var(--bg-overlay);
  gap: 8px;
  flex-wrap: wrap;
}
.dash-filter-select {
  padding: 4px 8px;
  background: var(--bg-elevated);
  color: var(--text-primary);
  border: 1px solid var(--border-default);
  border-radius: 6px;
  font-size: 11px;
  font-family: var(--font-ui);
  outline: none;
  cursor: pointer;
  max-width: 100%;
}

/* ── Activity log ── */
.dash-table-head {
  display: grid;
  grid-template-columns: 130px 90px 100px 1fr;
  padding: 6px 14px;
  background: var(--bg-overlay);
  font-size: 9px;
  font-weight: 700;
  color: var(--text-tertiary);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  border-bottom: 1px solid var(--border-subtle);
}
.dash-table-head > span {
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
/* Admin geo column — toggled via .show-geo class */
.dash-table-head.show-geo,
.dash-log-row.show-geo {
  grid-template-columns: 130px 90px 100px 1fr 130px;
}
.dash-table-body { max-height: 360px; overflow-y: auto; }
.dash-log-row {
  display: grid;
  grid-template-columns: 130px 90px 100px 1fr;
  padding: 7px 14px;
  border-bottom: 1px solid var(--border-subtle);
  font-size: 11px;
  color: var(--text-primary);
  align-items: center;
  transition: background 0.1s;
}
.dash-log-row > span {
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.dash-log-row > span:last-child {
  white-space: normal;
  overflow: visible;
}
.dash-log-row:hover { background: var(--bg-overlay); }
.dash-log-row:last-child { border-bottom: none; }
.dash-empty {
  padding: 24px 14px;
  text-align: center;
  color: var(--text-tertiary);
  font-size: 12px;
}

/* ── Event chips ── */
.ev-chip {
  display: inline-block;
  padding: 2px 7px;
  border-radius: 99px;
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  white-space: nowrap;
}
.ev-CALC       { background: var(--blue-dim);   color: var(--blue); }
.ev-LOGIN      { background: var(--green-dim);  color: var(--green); }
.ev-USER_CREATE{ background: var(--purple-dim); color: var(--purple); }
.ev-rate_limit,
.ev-BLOCK      { background: var(--red-dim);    color: var(--red); }
.ev-LOGOUT,
.ev-default    { background: var(--bg-overlay); color: var(--text-secondary); }

/* ── Users table ── */
.users-table-head {
  display: grid;
  grid-template-columns: 28px 30px 120px 110px 115px 95px 65px 85px 1fr;
  padding: 6px 14px;
  background: var(--bg-overlay);
  font-size: 9px;
  font-weight: 700;
  color: var(--text-tertiary);
  letter-spacing: 0.07em;
  text-transform: uppercase;
  border-bottom: 1px solid var(--border-subtle);
  min-width: 800px;
}
.users-table-head > span {
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.users-table-row {
  display: grid;
  grid-template-columns: 28px 30px 120px 110px 115px 95px 65px 85px 1fr;
  padding: 8px 14px;
  border-bottom: 1px solid var(--border-subtle);
  font-size: 11px;
  color: var(--text-primary);
  align-items: center;
  min-width: 800px;
  transition: background 0.1s;
}
.users-table-row > span {
  min-width: 0;
}
.users-table-row > span:not(:last-child) {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.users-table-row > span:last-child {
  overflow: visible;
  white-space: normal;
}
.users-table-row:hover { background: var(--bg-overlay); }
.users-table-row:last-child { border-bottom: none; }
.users-table-row.selected { background: rgba(61,142,240,0.07); }
.bulk-check-cell { display: flex; align-items: center; justify-content: center; }
input[type="checkbox"].bulk-cb, #selectAllUsers {
  width: 14px; height: 14px; cursor: pointer;
  accent-color: var(--blue);
}

/* Bulk action bar */
.bulk-bar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 14px;
  background: rgba(61,142,240,0.08);
  border-bottom: 1px solid rgba(61,142,240,0.2);
  flex-wrap: wrap;
}
.bulk-bar-count {
  font-size: 11px;
  font-weight: 700;
  color: var(--blue);
  min-width: 80px;
  flex-shrink: 0;
}
.bulk-bar-actions {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-wrap: wrap;
  flex: 1;
}
.bulk-btn {
  font-size: 10px;
  font-weight: 700;
  padding: 5px 10px;
  border-radius: 7px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: all 0.15s;
  letter-spacing: 0.03em;
}
.bulk-deact { background: rgba(239,68,68,0.12); color: var(--red); border-color: rgba(239,68,68,0.25); }
.bulk-deact:hover { background: rgba(239,68,68,0.22); }
.bulk-react { background: rgba(34,197,94,0.12); color: var(--green); border-color: rgba(34,197,94,0.25); }
.bulk-react:hover { background: rgba(34,197,94,0.22); }
.bulk-role { background: var(--bg-overlay); color: var(--text-secondary); border-color: var(--border-default); }
.bulk-role:hover { color: var(--text-primary); }
.bulk-role-select {
  font-size: 10px;
  padding: 4px 8px;
  background: var(--bg-input);
  border: 1px solid var(--border-default);
  border-radius: 6px;
  color: var(--text-primary);
  font-family: var(--font-ui);
  outline: none;
  cursor: pointer;
}
.bulk-clear {
  margin-left: auto;
  font-size: 10px;
  color: var(--text-tertiary);
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px 8px;
  border-radius: 5px;
  transition: color 0.15s;
  flex-shrink: 0;
}
.bulk-clear:hover { color: var(--text-primary); background: var(--bg-overlay); }
.users-table-footer {
  padding: 8px 14px;
  font-size: 10px;
  color: var(--text-tertiary);
  border-top: 1px solid var(--border-subtle);
  text-align: right;
}
.pw-reveal {
  font-family: var(--font-mono);
  cursor: pointer;
  letter-spacing: 0.06em;
  transition: color 0.15s;
}
.pw-reveal:hover { color: var(--blue); }

/* ── Role chips ── */
.role-chip {
  font-size: 8px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 2px 6px;
  border-radius: 4px;
  font-family: var(--font-mono);
  border: 1px solid transparent;
  white-space: nowrap;
  display: inline-block;
}
.role-admin      { background: var(--purple-dim); color: var(--purple); border-color: rgba(168,85,247,0.2); }
.role-europump   { background: var(--blue-dim);   color: var(--blue);   border-color: var(--blue-glow); }
.role-technician,
.role-service    { background: var(--green-dim);  color: var(--green);  border-color: rgba(34,197,94,0.2); }

/* ── Language selector ── */
.lang-btn-wrap { position: relative; }
.lang-btn {
  background: var(--bg-elevated);
  border: 1px solid var(--border-default);
  border-radius: 6px;
  width: 32px; height: 32px;
  display: flex; align-items: center; justify-content: center;
  cursor: pointer;
  padding: 0;
  transition: border-color 0.15s;
  -webkit-tap-highlight-color: transparent;
  flex-shrink: 0;
}
.lang-btn:hover { border-color: var(--blue); }
.lang-menu {
  position: fixed;
  top: 58px;
  right: 14px;
  background: var(--bg-elevated);
  border: 1px solid var(--border-strong);
  border-radius: 10px;
  min-width: 175px;
  z-index: 99999;           /* above panels, modals, everything */
  overflow-y: auto;
  max-height: 300px;
  box-shadow: 0 12px 40px rgba(0,0,0,0.85);
  scrollbar-width: thin;
  isolation: isolate;       /* create new stacking context */
}
.lang-option {
  display: flex;
  align-items: center;
  gap: 10px;
  width: 100%;
  padding: 10px 14px;
  background: none;
  border: none;
  color: var(--text-primary);
  font-size: 13px;
  font-family: var(--font-ui);
  cursor: pointer;
  text-align: left;
  transition: background 0.1s;
  -webkit-tap-highlight-color: transparent;
  box-sizing: border-box;
}
.lang-option:hover, .lang-option:active { background: var(--bg-overlay); }
/* Active language: subtle bg tint instead of blue text — still clearly clickable */
.lang-option.active { background: rgba(59,130,246,0.08); font-weight: 600; }
.lang-option:not(:last-child) { border-bottom: 1px solid var(--border-subtle); }

/* ── Panel cards should not clip content ── */
.panel .card { overflow: visible; }

/* ── Scrollbar styling (thin on webkit) ── */
.panel::-webkit-scrollbar { width: 3px; }
.panel::-webkit-scrollbar-track { background: transparent; }
.panel::-webkit-scrollbar-thumb { background: var(--border-default); border-radius: 99px; }


/* ══ LIGHT THEME ══════════════════════════════════════════ */
[data-theme="light"] {
  --bg-base:        #F5F7FA;
  --bg-elevated:    #FFFFFF;
  --bg-card:        #FFFFFF;
  --bg-overlay:     #EEF1F6;
  --bg-input:       #F0F2F6;
  --border-subtle:  rgba(0,0,0,0.07);
  --border-default: rgba(0,0,0,0.12);
  --border-strong:  rgba(0,0,0,0.22);
  --text-primary:   #0D1117;
  --text-secondary: #4A5568;
  --text-tertiary:  #8896A5;
  --blue:           #1A6EE0;
  --blue-dim:       rgba(26,110,224,0.10);
  --blue-glow:      rgba(26,110,224,0.22);
  --green:          #16A34A;
  --green-dim:      rgba(22,163,74,0.10);
  --orange:         #D97706;
  --orange-dim:     rgba(217,119,6,0.10);
  --red:            #DC2626;
  --red-dim:        rgba(220,38,38,0.10);
  --red-border:     rgba(220,38,38,0.22);
  --purple:         #7C3AED;
  --purple-dim:     rgba(124,58,237,0.10);
  --teal:           #0891B2;
  --teal-dim:       rgba(8,145,178,0.10);
}
[data-theme="light"] #topBar,
[data-theme="light"] #bottomNav {
  background: rgba(245,247,250,0.97);
}
/* Logos are transparent PNGs — blend naturally on any background */
[data-theme="light"] .topbar-logo-left {
  border-radius: 4px;
}
[data-theme="light"] .login-logo {
  border-radius: 4px;
}
[data-theme="light"] .panel {
  background: var(--bg-base) !important;
}
[data-theme="light"] .card,
[data-theme="light"] .dash-card {
  box-shadow: 0 1px 4px rgba(0,0,0,0.08);
}

/* ── Settings rows ── */
.settings-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 16px;
  border-bottom: 1px solid var(--border-subtle);
  gap: 12px;
  flex-wrap: wrap;
}
.settings-row:last-child { border-bottom: none; }
.settings-row-label {
  display: flex;
  flex-direction: column;
  gap: 2px;
  flex: 1;
  min-width: 0;
}
.settings-row-label b { font-size: 13px; font-weight: 600; color: var(--text-primary); }
.settings-row-label span { font-size: 11px; color: var(--text-secondary); }
.settings-toggle-btn {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 7px 14px;
  background: var(--bg-elevated);
  border: 1px solid var(--border-default);
  border-radius: 8px;
  color: var(--text-primary);
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  font-family: var(--font-ui);
  white-space: nowrap;
  flex-shrink: 0;
  transition: all 0.15s;
}
.settings-toggle-btn:hover { border-color: var(--blue); }
.settings-select {
  padding: 7px 12px;
  background: var(--bg-elevated);
  border: 1px solid var(--border-default);
  border-radius: 8px;
  color: var(--text-primary);
  font-size: 12px;
  font-family: var(--font-ui);
  outline: none;
  cursor: pointer;
  flex-shrink: 0;
}
.settings-input {
  padding: 7px 12px;
  background: var(--bg-input);
  border: 1.5px solid var(--border-default);
  border-radius: 8px;
  color: var(--text-primary);
  font-size: 12px;
  font-family: var(--font-mono);
  outline: none;
  width: 180px;
  flex-shrink: 0;
}
.settings-input:focus { border-color: var(--blue); }
.settings-badge {
  font-size: 11px;
  padding: 5px 10px;
  border-radius: 6px;
  background: var(--bg-elevated);
  border: 1px solid var(--border-default);
  color: var(--text-secondary);
  white-space: nowrap;
  flex-shrink: 0;
}

/* ── Settings 4-section layout ──────────────────────────────────── */
.stg-section {
  margin-bottom: 20px;
}
.stg-section-label {
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-tertiary);
  padding: 0 2px 7px;
}
.stg-section-desc {
  font-size: 10px;
  color: var(--text-tertiary);
  padding: 0 2px 8px;
  line-height: 1.4;
}
.stg-card {
  margin-bottom: 0 !important;
}

/* Profile row */
.stg-profile-row {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 14px 16px;
  flex-wrap: wrap;
  border-bottom: 1px solid var(--border-subtle);
}
.stg-avatar {
  width: 44px; height: 44px;
  border-radius: 50%;
  background: var(--blue-dim);
  border: 2px solid var(--blue-glow);
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
  font-size: 18px;
}
.stg-profile-info { flex: 1; min-width: 0; }
.stg-profile-name {
  font-size: 15px; font-weight: 700;
  color: var(--text-primary);
}
.stg-profile-role {
  font-size: 11px; color: var(--text-secondary); margin-top: 2px;
}
.stg-profile-session {
  font-size: 10px; color: var(--text-tertiary);
  margin-top: 3px; font-family: var(--font-mono);
}

/* Read-only algorithm constant pills */
.algo-ro-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
  margin-bottom: 10px;
}
@media (max-width: 420px) {
  .algo-ro-grid { grid-template-columns: repeat(2, 1fr); }
}
.algo-ro-pill {
  background: var(--bg-elevated);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 8px 10px;
  display: flex;
  flex-direction: column;
  gap: 3px;
}
.algo-ro-label {
  font-size: 9px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-tertiary);
}
.algo-ro-val {
  font-size: 13px;
  font-weight: 700;
  font-family: var(--font-mono);
  color: var(--blue);
}
.algo-ro-note {
  font-size: 10px;
  color: var(--text-tertiary);
  padding: 6px 0 4px;
  border-top: 1px solid var(--border-subtle);
  margin-top: 4px;
}

/* ── Admin Control Centre ────────────────────────────────────────── */
.admin-only-badge {
  font-size: 10px;
  color: var(--red);
  background: rgba(239,68,68,0.08);
  border: 1px solid rgba(239,68,68,0.25);
  padding: 2px 8px;
  border-radius: 99px;
  font-weight: 600;
  letter-spacing: 0.03em;
}
.admin-ctrl-card { border-color: rgba(239,68,68,0.15) !important; }
.admin-ctrl-card .dash-card-header { border-bottom-color: rgba(239,68,68,0.1); }

.admin-stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
  margin-bottom: 0;
}
@media (max-width: 520px) {
  .admin-stats-grid { grid-template-columns: repeat(2, 1fr); }
}
.admin-stat-item {
  background: var(--bg-card);
  padding: 14px 10px 12px;
  text-align: center;
  transition: background 0.15s;
}
.admin-stat-item:hover { background: var(--bg-elevated); }
.admin-stat-value {
  font-size: 22px;
  font-weight: 700;
  font-family: var(--font-mono);
  color: var(--blue);
  line-height: 1;
  margin-bottom: 5px;
}
.admin-stat-label {
  font-size: 9px;
  color: var(--text-tertiary);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
.admin-stat-warn .admin-stat-value { color: var(--orange); }

.admin-danger-btn {
  background: rgba(239,68,68,0.08) !important;
  border-color: rgba(239,68,68,0.3) !important;
  color: var(--red) !important;
}
.admin-danger-btn:hover {
  background: rgba(239,68,68,0.14) !important;
  border-color: rgba(239,68,68,0.5) !important;
}

/* ── Functions: PIN hover tooltip ─────────────────────────────────── */
.fn-tooltip {
  position: fixed;
  z-index: 99999;
  pointer-events: none;
  width: 320px;
  background: var(--bg-card);
  border: 1px solid var(--border-strong);
  border-radius: 12px;
  box-shadow: 0 16px 48px rgba(0,0,0,0.7), 0 0 0 1px rgba(255,255,255,0.04);
  padding: 14px 16px 12px;
  font-size: 11px;
  line-height: 1.5;
  color: var(--text-primary);
  opacity: 0;
  transition: opacity 0.1s ease;
}
.fn-tooltip.visible { opacity: 1; }
.fn-tt-pin {
  font-size: 13px;
  font-weight: 800;
  color: var(--blue);
  letter-spacing: 0.03em;
  margin-bottom: 3px;
}
.fn-tt-cpu {
  font-size: 9px;
  font-weight: 700;
  color: var(--text-tertiary);
  text-transform: uppercase;
  letter-spacing: 0.07em;
  margin-bottom: 4px;
}
.fn-tt-section {
  font-size: 9px;
  font-weight: 700;
  color: var(--text-tertiary);
  text-transform: uppercase;
  letter-spacing: 0.07em;
  margin: 8px 0 5px;
  padding-top: 8px;
  border-top: 1px solid var(--border-subtle);
}
.fn-tt-vars  { display: flex; flex-direction: column; gap: 2px; }
.fn-tt-var   { display: flex; align-items: baseline; gap: 4px; }
.fn-tt-vname { font-family: var(--font-mono); font-size: 10px; color: var(--green); font-weight: 700; min-width: 36px; }
.fn-tt-veq   { color: var(--text-tertiary); font-size: 10px; }
.fn-tt-vval  { font-family: var(--font-mono); font-size: 10px; color: var(--text-secondary); }
.fn-tt-formula {
  font-family: var(--font-mono);
  font-size: 10px;
  background: var(--bg-overlay);
  border-radius: 6px;
  padding: 5px 9px;
  color: var(--text-secondary);
  word-break: break-word;
  line-height: 1.7;
}
.fn-tt-formula em { font-style: normal; color: var(--orange); font-weight: 700; }
.fn-tt-result {
  font-family: var(--font-mono);
  font-size: 17px;
  font-weight: 900;
  color: var(--green);
  text-align: center;
  padding: 10px 0 2px;
  letter-spacing: 0.02em;
}
.fn-pin-hover {
  cursor: help;
  border-radius: 4px;
  padding: 1px 3px;
  margin: -1px -3px;
  transition: background 0.12s;
}
.fn-pin-hover:hover { background: rgba(61,142,240,0.12); }

/* ── CPU Algorithm Reference Guide ──────────────────────────────── */
.fn-guide {
  margin: 18px 14px 18px;
  border: 1px solid var(--border-subtle);
  border-radius: 14px;
  overflow: clip; /* clip for border-radius only — does NOT block child scroll contexts */
  background: var(--bg-card);
}
.fn-guide-header {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 14px 18px 0;
}
.fn-guide-title {
  font-size: 12px;
  font-weight: 800;
  color: var(--text-primary);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.fn-guide-sub {
  font-size: 10px;
  color: var(--text-tertiary);
  margin-left: auto;
}
.fn-guide-tabs {
  display: flex;
  gap: 3px;
  padding: 12px 18px 0;
  border-bottom: 1px solid var(--border-subtle);
  flex-wrap: wrap;
}
.fn-guide-tab {
  font-size: 10px;
  font-weight: 700;
  padding: 6px 12px 7px;
  border-radius: 8px 8px 0 0;
  border: 1px solid transparent;
  border-bottom: none;
  background: none;
  color: var(--text-tertiary);
  cursor: pointer;
  transition: all 0.15s;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.fn-guide-tab:hover  { color: var(--text-secondary); background: var(--bg-overlay); }
.fn-guide-tab.active { color: var(--blue); background: var(--bg-overlay); border-color: var(--border-subtle); }
.fn-guide-panels { padding: 16px 18px 20px; }
.fn-guide-panel  { display: none; }
.fn-guide-panel.active { display: block; }
.fn-guide-panel .fn-guide-table-scroll {
  overflow-x: auto;
  overflow-y: visible;
  -webkit-overflow-scrolling: touch;
  border-radius: 6px;
  border: 1px solid var(--border-subtle);
  /* Ensure the scroll container itself isn't clipped by any ancestor */
  position: relative;
  z-index: 0;
}
.fn-guide-panel .fn-guide-table {
  min-width: 520px; /* force scroll on small screens */
}
.fn-guide-desc {
  font-size: 10px;
  color: var(--text-secondary);
  margin-bottom: 12px;
  line-height: 1.65;
  padding: 8px 10px;
  background: var(--bg-overlay);
  border-radius: 8px;
}
.fn-guide-table { width: 100%; border-collapse: collapse; font-size: 10px; }
.fn-guide-table th {
  text-align: left;
  font-size: 9px;
  font-weight: 700;
  color: var(--text-tertiary);
  text-transform: uppercase;
  letter-spacing: 0.07em;
  padding: 5px 10px;
  background: var(--bg-overlay);
  border-bottom: 1px solid var(--border-subtle);
}
.fn-guide-table td {
  padding: 7px 10px;
  border-bottom: 1px solid var(--border-subtle);
  vertical-align: top;
  color: var(--text-primary);
  line-height: 1.5;
}
.fn-guide-table tr:last-child td { border-bottom: none; }
.fn-guide-table td:first-child { font-weight: 700; color: var(--orange); white-space: nowrap; min-width: 90px; }
.fn-guide-table td:nth-child(2) { font-family: var(--font-mono); font-size: 10px; color: var(--text-secondary); }
.fn-guide-table td:last-child { color: var(--text-tertiary); font-size: 9px; min-width: 160px; }
.fn-guide-na { color: var(--text-tertiary) !important; font-style: italic; }
.fn-guide-vars {
  margin-top: 14px;
  padding: 10px 14px;
  background: var(--bg-overlay);
  border-radius: 8px;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(190px, 1fr));
  gap: 5px 20px;
}
.fn-guide-var-row { display: flex; align-items: baseline; gap: 6px; font-size: 10px; }
.fn-guide-var-name { font-family: var(--font-mono); font-weight: 700; color: var(--green); min-width: 42px; }
.fn-guide-var-def  { color: var(--text-secondary); line-height: 1.5; }

/* ── App copyright / usage notice ────────────────────────────────── */
.app-copyright {
  margin: 24px 0 8px;
  padding: 14px 16px;
  border: 1px solid var(--border-subtle);
  border-radius: 12px;
  background: var(--bg-elevated);
}
.copyright-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 8px;
  flex-wrap: wrap;
  gap: 4px;
}
.copyright-brand {
  font-size: 11px;
  font-weight: 700;
  color: var(--text-secondary);
  letter-spacing: 0.04em;
}
.copyright-year {
  font-size: 10px;
  color: var(--text-tertiary);
}
.copyright-notice {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  font-size: 10px;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 6px;
  padding: 8px 10px;
  background: rgba(239,68,68,0.05);
  border: 1px solid rgba(239,68,68,0.15);
  border-radius: 8px;
}
.copyright-lock { font-size: 13px; flex-shrink: 0; margin-top: 1px; }
.copyright-notice strong { color: var(--text-primary); }
.copyright-sub {
  font-size: 9px;
  color: var(--text-tertiary);
  text-align: center;
  letter-spacing: 0.03em;
  margin-top: 4px;
}