:root {
  --ink: #17231e;
  --muted: #6b756f;
  --paper: #f4f1e9;
  --surface: #fffdf8;
  --line: #dcd9cf;
  --green: #185b46;
  --green-2: #287a5f;
  --green-action: #185b46;
  --green-text: #185b46;
  --mint: #dceadf;
  --gold: #d39b3c;
  --gold-soft: #f5e8c7;
  --red: #a34b40;
  --red-soft: #f6e1dc;
  --surface-solid: #fff;
  --surface-panel: rgba(255,253,248,.9);
  --surface-control: #fff;
  --surface-subtle: #ece9e0;
  --surface-selected: #f3f9f5;
  --surface-success: #eff8f2;
  --surface-warning: #fffaf0;
  --surface-error: #fff3f0;
  --surface-explanation: #eef6f1;
  --surface-annulled: #fff8e8;
  --track: #e6e2d8;
  --topbar: rgba(244,241,233,.9);
  --nav-active: rgba(255,255,255,.7);
  --panel-border: rgba(23,35,30,.1);
  --body-glow: rgba(211,155,60,.16);
  --hero-bg: #17231e;
  --hero-muted: rgba(255,255,255,.65);
  --gold-ink: #8a5c0a;
  --audit-note: #7c5d1f;
  --shadow: 0 18px 50px rgba(23, 35, 30, .08);
  --radius: 18px;
}

* { box-sizing: border-box; }
html { color-scheme: light; scroll-behavior: smooth; }
html[data-theme="dark"] {
  color-scheme: dark;
  --ink: #edf4f0;
  --muted: #a8b6af;
  --paper: #0e1512;
  --surface: #17211d;
  --line: #34433c;
  --green: #50ad88;
  --green-2: #2f8063;
  --green-action: #237052;
  --green-text: #78cdaa;
  --mint: #203d32;
  --gold: #e3ab4e;
  --gold-soft: #3e311c;
  --red: #e47f72;
  --red-soft: #402723;
  --surface-solid: #1b2722;
  --surface-panel: rgba(23,33,29,.94);
  --surface-control: #1b2722;
  --surface-subtle: #26332d;
  --surface-selected: #1c352b;
  --surface-success: #18352a;
  --surface-warning: #392f1d;
  --surface-error: #3b2421;
  --surface-explanation: #183129;
  --surface-annulled: #382e1c;
  --track: #2b3933;
  --topbar: rgba(14,21,18,.91);
  --nav-active: rgba(255,255,255,.08);
  --panel-border: rgba(220,236,228,.1);
  --body-glow: rgba(211,155,60,.09);
  --hero-bg: #070c0a;
  --hero-muted: rgba(237,244,240,.68);
  --gold-ink: #f0c46f;
  --audit-note: #e1bd74;
  --shadow: 0 18px 55px rgba(0,0,0,.3);
}
body {
  margin: 0;
  color: var(--ink);
  background:
    radial-gradient(circle at 10% -10%, var(--body-glow), transparent 28rem),
    var(--paper);
  font: 15px/1.55 Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  transition: color .2s ease, background-color .2s ease;
}
a { color: inherit; text-decoration: none; }
button, input, select { font: inherit; }
button { color: inherit; }
[hidden] { display: none !important; }
a:focus-visible, button:focus-visible, input:focus-visible, select:focus-visible, summary:focus-visible {
  outline: 3px solid var(--gold);
  outline-offset: 3px;
  box-shadow: 0 0 0 4px var(--body-glow);
}
.mode-card:has(input:focus-visible),
.check-grid label:has(input:focus-visible),
.year-grid label:has(input:focus-visible) {
  outline: 3px solid var(--gold);
  outline-offset: 3px;
  box-shadow: 0 0 0 4px var(--body-glow);
}
.segmented label:has(input:focus-visible) span {
  outline: 3px solid var(--gold);
  outline-offset: 2px;
}
.topbar {
  position: sticky; top: 0; z-index: 50;
  min-height: 76px; display: flex; align-items: center; justify-content: space-between;
  padding: 12px max(24px, calc((100vw - 1280px) / 2));
  border-bottom: 1px solid var(--panel-border);
  background: var(--topbar); backdrop-filter: blur(18px);
}
.brand { display: inline-flex; gap: 12px; align-items: center; }
.brand-mark {
  width: 42px; height: 42px; display: grid; place-items: center;
  border-radius: 11px; overflow: hidden; flex-shrink: 0;
  box-shadow: 0 4px 14px rgba(23,35,30,.18);
}
.brand-mark img {
  width: 100%; height: 100%; object-fit: cover; display: block; border-radius: 11px;
}
.brand strong, .brand small { display: block; }
.brand strong { font-family: Georgia, serif; font-size: 18px; letter-spacing: -.02em; }
.brand small { color: var(--muted); font-size: 11px; }
.main-nav { display: flex; align-items: center; gap: 6px; }
.main-nav a { padding: 10px 15px; border-radius: 10px; color: var(--muted); font-weight: 650; }
.topbar-actions { display: flex; align-items: center; gap: 8px; }
.theme-toggle {
  min-height: 38px; display: inline-flex; align-items: center; gap: 7px;
  padding: 7px 11px; border: 1px solid var(--line); border-radius: 10px;
  color: var(--muted); background: var(--surface-panel); cursor: pointer;
  font-size: 12px; font-weight: 750; transition: .18s ease;
}
.theme-toggle:hover { color: var(--ink); border-color: var(--muted); }
.theme-toggle:focus-visible { outline: 2px solid var(--gold); outline-offset: 2px; }
.theme-icon { width: 18px; font-size: 17px; line-height: 1; text-align: center; }
.main-nav a:hover, .main-nav a[aria-current="page"] { color: var(--ink); background: var(--nav-active); }
.nav-toggle { display: none; border: 0; background: none; font-size: 22px; }
.page-shell { width: min(1280px, calc(100% - 48px)); margin: 0 auto; padding: 44px 0 80px; }
.hero, .page-heading, .result-hero {
  display: flex; align-items: end; justify-content: space-between; gap: 36px;
  margin-bottom: 32px;
}
.hero h1, .page-heading h1, .result-hero h1 {
  margin: 6px 0 10px; font: 700 clamp(38px, 5vw, 68px)/.98 Georgia, serif;
  letter-spacing: -.045em;
}
.page-heading h1, .result-hero h1 { font-size: clamp(34px, 4vw, 54px); }
.hero p, .page-heading p, .result-hero p { max-width: 720px; margin: 0; color: var(--muted); font-size: 17px; }
.eyebrow { color: var(--green-text); font-size: 11px; font-weight: 850; text-transform: uppercase; letter-spacing: .13em; }
.hero-actions, .result-actions { display: flex; flex-wrap: wrap; gap: 10px; }
.button {
  min-height: 44px; display: inline-flex; align-items: center; justify-content: center;
  padding: 10px 17px; border: 1px solid transparent; border-radius: 11px;
  cursor: pointer; font-weight: 750; transition: .18s ease;
}
.button:hover { transform: translateY(-1px); }
.button.primary { color: #fff; background: var(--green-action); box-shadow: 0 9px 24px rgba(24,91,70,.18); }
.button.primary:hover { background: var(--green-2); }
.button.quiet { border-color: var(--line); background: var(--surface-panel); }
.button.danger { color: #fff; background: var(--red); box-shadow: 0 9px 24px rgba(163,75,64,.18); }
.button.danger:hover { filter: brightness(1.05); }
.button.small { min-height: 36px; padding: 7px 12px; font-size: 13px; }
.button.wide { width: 100%; }
.nav-user {
  display: inline-flex; align-items: center; gap: 8px; max-width: 180px;
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}

.local-dev-badge {
  display: inline-flex;
  align-items: center;
  min-height: 30px;
  padding: 0 9px;
  border: 1px solid #b7791f;
  border-radius: 999px;
  background: #fff7d6;
  color: #7a4a00;
  font-size: 10px;
  font-weight: 900;
  letter-spacing: .08em;
}
.user-avatar {
  width: 28px; height: 28px; display: inline-grid; place-items: center;
  border-radius: 50%; color: #fff; background: var(--green-action);
  font-size: 12px; font-weight: 850; flex: 0 0 auto;
}
.user-avatar.image { display: block; object-fit: cover; }
.auth-shell { min-height: 60vh; display: grid; place-items: center; }
.auth-card { width: min(460px, 100%); }
.auth-card h1 { margin: 4px 0 0; font: 700 34px/1.05 Georgia, serif; letter-spacing: -.03em; }
.auth-form { display: grid; gap: 14px; }
.auth-form label span { display: block; margin-bottom: 5px; color: var(--muted); font-size: 11px; font-weight: 800; }
.auth-form input {
  width: 100%; height: 44px; padding: 8px 11px; border: 1px solid var(--line);
  border-radius: 10px; background: var(--surface-control); color: var(--ink);
}
.auth-divider {
  display: grid; grid-template-columns: 1fr auto 1fr; gap: 12px; align-items: center;
  margin: 18px 0; color: var(--muted); font-size: 12px; font-weight: 700;
}
.auth-divider::before, .auth-divider::after { content: ""; height: 1px; background: var(--line); }
.auth-switch { margin: 18px 0 0; color: var(--muted); text-align: center; }
.google-button { gap: 8px; }
.profile-grid { display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(280px, .8fr); gap: 20px; align-items: start; }
.danger-panel { border-color: color-mix(in srgb, var(--red) 35%, var(--panel-border)); }
.avatar-picker { margin: 0; padding: 0; border: 0; }
.avatar-picker legend { margin-bottom: 10px; color: var(--muted); font-size: 11px; font-weight: 800; }
.avatar-grid { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 12px; }
.avatar-option { position: relative; display: grid; cursor: pointer; }
.avatar-option input {
  position: absolute; width: 1px; height: 1px; padding: 0; overflow: hidden;
  clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0;
}
.avatar-option-frame {
  display: grid; place-items: center; padding: 5px; border: 2px solid transparent;
  border-radius: 17px; background: var(--surface-control); transition: transform .15s ease, border-color .15s ease;
}
.avatar-option img, .profile-avatar {
  display: block; width: 100%; aspect-ratio: 1; border-radius: 13px; object-fit: cover;
}
.avatar-option:hover .avatar-option-frame { transform: translateY(-2px); border-color: var(--line); }
.avatar-option:has(input:checked) .avatar-option-frame {
  border-color: var(--gold); box-shadow: 0 0 0 2px color-mix(in srgb, var(--gold) 30%, transparent);
}
.avatar-option:has(input:focus-visible) .avatar-option-frame { outline: 3px solid var(--green-action); outline-offset: 2px; }
.oauth-avatar-card {
  display: flex; align-items: center; gap: 14px; padding: 12px;
  border: 1px solid var(--line); border-radius: 14px; background: var(--surface-control);
}
.oauth-avatar-card .profile-avatar { width: 80px; flex: 0 0 80px; border-radius: 50%; }
.oauth-avatar-card strong { display: block; margin-bottom: 4px; }
.oauth-avatar-card p { margin: 0; color: var(--muted); font-size: 12px; line-height: 1.45; }
.metric-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; margin-bottom: 20px; }
.metric-card, .panel {
  border: 1px solid var(--panel-border); border-radius: var(--radius);
  background: var(--surface-panel); box-shadow: var(--shadow);
}
.metric-card { position: relative; overflow: hidden; padding: 22px; }
.metric-card::after {
  content: ""; position: absolute; width: 90px; height: 90px; right: -34px; bottom: -46px;
  border-radius: 50%; background: rgba(24,91,70,.07);
}
.metric-card.accent { color: #fff; background: var(--green-action); }
.metric-card.danger { background: var(--red-soft); }
.metric-card span, .metric-card small { display: block; }
.metric-card span { color: var(--muted); font-size: 12px; font-weight: 750; text-transform: uppercase; letter-spacing: .06em; }
.metric-card.accent span, .metric-card.accent small { color: rgba(255,255,255,.72); }
.metric-card strong { display: block; margin: 6px 0 4px; font: 700 34px/1 Georgia, serif; }
.metric-card small { color: var(--muted); }
.panel { padding: 24px; margin-bottom: 20px; }
.panel h2 { margin: 2px 0; font: 700 24px/1.1 Georgia, serif; letter-spacing: -.02em; }
.panel-head { display: flex; align-items: center; justify-content: space-between; gap: 20px; margin-bottom: 20px; }
.dashboard-grid { display: grid; grid-template-columns: minmax(0, 1.65fr) minmax(320px, .85fr); gap: 20px; }
.performance-chart { width: 100%; height: 260px; display: block; }
.chart-panel { position: relative; }
.chart-tooltip {
  position: absolute; z-index: 6; max-width: 230px; padding: 9px 12px;
  border-radius: 10px; color: #fff; background: var(--hero-bg);
  font-size: 11px; pointer-events: none; box-shadow: var(--shadow);
}
.chart-tooltip strong, .chart-tooltip span { display: block; }
.chart-tooltip span { margin-top: 2px; color: var(--hero-muted); }
.status-pill {
  display: inline-flex; width: max-content; padding: 5px 9px; border-radius: 999px;
  color: var(--green-text); background: var(--mint); font-size: 11px; font-weight: 800;
}
.status-pill.active { color: var(--gold-ink); background: var(--gold-soft); }
.status-pill.warning { color: var(--gold-ink); background: var(--gold-soft); }
.weight-list { display: grid; gap: 11px; }
.weight-row { display: grid; grid-template-columns: 1fr 84px 42px; gap: 9px; align-items: center; font-size: 12px; }
.weight-row span { overflow: hidden; white-space: nowrap; text-overflow: ellipsis; }
.bar, .coverage-cell { height: 6px; overflow: hidden; border-radius: 99px; background: var(--track); }
.bar i, .coverage-cell i, .result-bar i, .exam-progress i { display: block; height: 100%; border-radius: inherit; background: var(--gold); }
.fine-print { margin: 18px 0 0; color: var(--muted); font-size: 12px; }
.text-link { color: var(--green-text); font-weight: 800; }
.subject-table-wrap { overflow-x: auto; }
.subject-table { width: 100%; border-collapse: collapse; }
.subject-table th { color: var(--muted); font-size: 11px; text-align: left; text-transform: uppercase; letter-spacing: .06em; }
.subject-table th, .subject-table td { padding: 12px 9px; border-bottom: 1px solid var(--line); }
.subject-table tr:last-child td { border-bottom: 0; }
.subject-code {
  display: inline-grid; min-width: 31px; height: 25px; place-items: center; margin-right: 9px;
  border-radius: 7px; color: var(--green-text); background: var(--mint); font-size: 10px; font-weight: 850;
}
.accuracy-chip { display: inline-flex; padding: 4px 8px; border-radius: 8px; background: var(--surface-subtle); font-weight: 800; }
.accuracy-chip.good { color: var(--green-text); background: var(--mint); }
.accuracy-chip.risk { color: var(--red); background: var(--red-soft); }
.coverage-cell { width: 140px; }
.coverage-cell i { background: var(--green); }
.muted { color: var(--muted); }
.session-list { display: grid; }
.session-row {
  display: grid; grid-template-columns: 42px 1fr auto 20px; gap: 13px; align-items: center;
  padding: 13px 2px; border-bottom: 1px solid var(--line);
}
.session-row:last-child { border-bottom: 0; }
.session-row:hover .session-main strong { color: var(--green-text); }
.session-icon, .mode-icon {
  width: 38px; height: 38px; display: grid; place-items: center; border-radius: 11px;
  color: #fff; background: var(--hero-bg); font: 700 16px Georgia, serif;
}
.session-main strong, .session-main small { display: block; }
.session-main small { color: var(--muted); }
.empty-state { min-height: 160px; display: grid; place-content: center; gap: 5px; text-align: center; color: var(--muted); }
.empty-state.compact { min-height: 80px; }
.empty-state strong { color: var(--ink); }
.session-builder { display: grid; grid-template-columns: minmax(0, 1fr) 300px; gap: 20px; align-items: start; }
.builder-summary { position: sticky; top: 96px; }
.builder-summary h2 { margin-bottom: 20px; }
.summary-stat { display: flex; justify-content: space-between; gap: 10px; padding: 11px 0; border-bottom: 1px solid var(--line); }
.summary-stat span { color: var(--muted); }
.summary-stat strong { text-align: right; }
.mode-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; margin-top: 20px; }
.mode-card {
  position: relative; display: grid; grid-template-columns: 42px 1fr; column-gap: 12px;
  align-items: center; min-height: 112px; padding: 16px; border: 1px solid var(--line);
  border-radius: 14px; background: var(--surface-control); cursor: pointer; transition: .18s ease;
}
.mode-card.real { grid-column: 1 / -1; }
.mode-card:hover { border-color: #aab6af; transform: translateY(-1px); }
.mode-card:has(input:checked) { border-color: var(--green); box-shadow: inset 0 0 0 1px var(--green); background: var(--surface-selected); }
.mode-card input { position: absolute; opacity: 0; }
.mode-card strong, .mode-card small { display: block; }
.mode-card small { grid-column: 2; color: var(--muted); }
.mode-card:has(input:checked) .mode-icon { background: var(--green-action); }
.option-section { padding: 8px 0 22px; margin-bottom: 16px; border-bottom: 1px solid var(--line); }
.range-line { display: grid; grid-template-columns: 1fr 54px; gap: 16px; align-items: center; margin-top: 14px; }
.preset-buttons { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 10px; }
.preset-buttons button {
  min-width: 42px; min-height: 36px; padding: 6px 10px; border: 1px solid var(--line);
  border-radius: 9px; background: var(--surface-control); cursor: pointer;
  font-size: 12px; font-weight: 750; transition: .15s ease;
}
.preset-buttons button:hover:not(:disabled) { border-color: var(--green); }
.preset-buttons button.active { color: var(--green-text); border-color: var(--green); background: var(--mint); }
.preset-buttons button:disabled { opacity: .45; cursor: default; }
.weight-toggle { margin-top: 14px; }
input[type="range"] { width: 100%; accent-color: var(--green); }
output { display: grid; height: 44px; place-items: center; border-radius: 10px; background: var(--mint); font-weight: 850; }
.segmented { display: grid; grid-template-columns: 1fr 1fr; gap: 6px; padding: 5px; margin-top: 12px; border-radius: 12px; background: var(--surface-subtle); }
.segmented label { position: relative; }
.segmented input { position: absolute; opacity: 0; }
.segmented span { display: block; padding: 9px; border-radius: 9px; text-align: center; cursor: pointer; font-weight: 700; }
.segmented label:has(input:checked) span { background: var(--surface-control); box-shadow: 0 3px 10px rgba(0,0,0,.12); }
.filter-details { border-bottom: 1px solid var(--line); }
.filter-details summary { display: flex; justify-content: space-between; padding: 16px 0; cursor: pointer; font-weight: 800; }
.filter-details summary span { color: var(--muted); font-size: 12px; font-weight: 500; }
.check-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 8px; padding-bottom: 18px; }
.check-grid label, .year-grid label {
  display: flex; gap: 8px; align-items: center; padding: 9px; border: 1px solid var(--line);
  border-radius: 10px; background: var(--surface-control); cursor: pointer;
}
.check-grid label:has(input:checked), .year-grid label:has(input:checked) { border-color: var(--green); background: var(--mint); }
.check-grid input, .year-grid input { accent-color: var(--green); }
.year-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 8px; padding-bottom: 18px; }
.form-error { min-height: 22px; margin: 12px 0; color: var(--red); font-size: 12px; }
.exam-header {
  position: sticky; top: 76px; z-index: 30; display: grid; grid-template-columns: auto minmax(120px, 1fr) auto auto;
  gap: 20px; align-items: center; margin: -24px 0 24px; padding: 13px 16px;
  border: 1px solid var(--line); border-radius: 14px; background: var(--surface-panel); box-shadow: var(--shadow); backdrop-filter: blur(16px);
}
.exam-header.free-header { grid-template-columns: minmax(0, 1fr) auto; }
.exam-header strong { display: block; }
.exam-progress { height: 7px; overflow: hidden; border-radius: 99px; background: var(--track); }
.exam-progress i { background: var(--green-action); }
.timer { display: flex; align-items: center; gap: 8px; }
.timer span, .timer strong { display: block; text-align: right; }
.timer span { color: var(--muted); font-size: 10px; text-transform: uppercase; letter-spacing: .08em; }
.timer strong { font-variant-numeric: tabular-nums; }
.timer.urgent strong { color: var(--red); }
.timer-toggle {
  border: 0; padding: 4px; border-radius: 7px; color: var(--muted);
  background: transparent; cursor: pointer; font-size: 15px; line-height: 1;
}
.timer-toggle:hover { color: var(--ink); }
.timer.collapsed .timer-readout { display: none; }
.exam-layout { display: grid; grid-template-columns: minmax(0, 1fr) 290px; gap: 20px; align-items: start; }
.exam-layout.free-layout { grid-template-columns: minmax(0, 1fr); max-width: 920px; margin: 0 auto; }
.free-hint { margin: 8px 0 0; text-align: left; }
.question-panel { padding: clamp(22px, 4vw, 46px); }
.question-meta, .question-nav header, .explanation header {
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
}
.question-number { font-weight: 850; margin-right: 10px; }
.flag-button { border: 0; padding: 8px 10px; border-radius: 9px; color: var(--muted); background: transparent; cursor: pointer; }
.flag-button.active { color: var(--gold-ink); background: var(--gold-soft); }
.topic-line { display: flex; flex-wrap: wrap; gap: 6px; align-items: center; margin-top: 26px; color: var(--muted); }
.stem { margin: 20px 0 26px; font: 500 clamp(20px, 2.5vw, 28px)/1.36 Georgia, serif; letter-spacing: -.015em; }
.question-image { max-width: 760px; margin: 0 auto 28px; padding: 12px; border: 1px solid var(--line); border-radius: 13px; background: var(--surface-solid); }
.question-image img { display: block; max-width: 100%; max-height: 560px; margin: auto; border-radius: 8px; object-fit: contain; }
.question-image figcaption { padding-top: 8px; color: var(--muted); font-size: 11px; text-align: center; }
.options { display: grid; gap: 11px; }
.option {
  width: 100%; display: grid; grid-template-columns: 35px 1fr auto; gap: 13px; align-items: center;
  padding: 15px; border: 1px solid var(--line); border-radius: 13px; background: var(--surface-control);
  text-align: left; cursor: pointer; transition: .15s ease;
}
.option:hover:not(:disabled) { border-color: var(--green); transform: translateX(2px); }
.option:disabled { cursor: default; opacity: 1; }
.option-key { width: 32px; height: 32px; display: grid; place-items: center; border: 1px solid var(--line); border-radius: 9px; font-weight: 850; }
.option.selected { border-color: var(--gold); background: var(--surface-warning); }
.option.selected .option-key { color: #fff; border-color: var(--gold); background: var(--gold); }
.option.correct { border-color: var(--green); background: var(--surface-success); }
.option.correct .option-key { color: #fff; border-color: var(--green-action); background: var(--green-action); }
.option.wrong { border-color: var(--red); background: var(--surface-error); }
.option.wrong .option-key { color: #fff; border-color: var(--red); background: var(--red); }
.option-state { font-size: 11px; font-weight: 850; text-transform: uppercase; letter-spacing: .05em; }
.explanation { margin-top: 24px; padding: 22px; border-left: 4px solid var(--green); border-radius: 4px 13px 13px 4px; background: var(--surface-explanation); }
.explanation.annulled { border-color: var(--gold); background: var(--surface-annulled); }
.explanation p { white-space: pre-line; }
.explanation-source { display: block; margin-top: 12px; color: var(--muted); font-size: 10px; }
.historical-explanation { margin-top: 16px; border-top: 1px solid var(--line); }
.historical-explanation summary { padding: 13px 0 2px; color: var(--muted); cursor: pointer; font-size: 11px; font-weight: 750; }
.historical-explanation p { margin: 10px 0 0; padding: 14px; border-radius: 9px; color: var(--muted); background: var(--surface-solid); font-size: 12px; }
.audit-note { color: var(--audit-note); }
.question-controls { display: flex; justify-content: space-between; gap: 12px; margin-top: 28px; padding-top: 20px; border-top: 1px solid var(--line); }
.question-nav { position: sticky; top: 150px; max-height: calc(100vh - 175px); overflow: auto; }
.question-nav header span { font-weight: 850; }
.nav-legend { display: flex; gap: 12px; margin: 14px 0; color: var(--muted); font-size: 10px; }
.nav-legend span { display: flex; gap: 5px; align-items: center; }
.nav-legend i { width: 8px; height: 8px; border-radius: 2px; background: var(--green); }
.nav-legend i.flagged { background: var(--gold); }
.question-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 6px; }
.question-grid a { position: relative; display: grid; aspect-ratio: 1; place-items: center; border: 1px solid var(--line); border-radius: 8px; background: var(--surface-control); font-size: 11px; }
.question-grid a.answered { color: #fff; border-color: var(--green-action); background: var(--green-action); }
.question-grid a.flagged::after { content: ""; position: absolute; top: 3px; right: 3px; width: 5px; height: 5px; border-radius: 50%; background: var(--gold); }
.question-grid a.current { outline: 2px solid var(--gold); outline-offset: 1px; font-weight: 850; }
.keyboard-hint { color: var(--muted); font-size: 10px; text-align: center; }
kbd { padding: 2px 5px; border: 1px solid var(--line); border-bottom-width: 2px; border-radius: 5px; background: var(--surface-control); }
.result-hero { padding: 30px; border-radius: var(--radius); color: #fff; background: var(--hero-bg); }
.result-hero .eyebrow { color: #92c6b3; }
.result-hero p { color: var(--hero-muted); }
.score-ring {
  flex: 0 0 150px; width: 150px; height: 150px; display: grid; place-content: center; text-align: center;
  border-radius: 50%; background: conic-gradient(var(--gold) calc(var(--score) * 1%), rgba(255,255,255,.12) 0);
  position: relative;
}
.score-ring::before { content: ""; position: absolute; inset: 10px; border-radius: 50%; background: var(--hero-bg); }
.score-ring strong, .score-ring span { position: relative; }
.score-ring strong { font: 700 32px Georgia, serif; }
.score-ring span { color: var(--hero-muted); font-size: 11px; }
.result-actions { margin: 4px 0 20px; justify-content: end; }
.result-subjects { display: grid; gap: 3px; }
.result-subjects article { display: grid; grid-template-columns: minmax(220px, 1fr) minmax(140px, 1fr) 52px; gap: 18px; align-items: center; padding: 12px 0; border-bottom: 1px solid var(--line); }
.result-subjects article:last-child { border: 0; }
.result-subjects small { display: block; margin-left: 40px; color: var(--muted); }
.result-bar { height: 8px; overflow: hidden; border-radius: 99px; background: var(--track); }
.result-bar i { background: var(--green-action); }
.topic-cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; }
.topic-cards article { min-height: 120px; display: flex; flex-direction: column; padding: 15px; border: 1px solid var(--line); border-radius: 12px; background: var(--surface-control); }
.topic-cards small, .topic-cards span { color: var(--muted); }
.topic-cards strong { flex: 1; margin: 5px 0; }
.page-heading.split { align-items: center; }
.corpus-badge { display: grid; min-width: 170px; padding: 20px; border-radius: 15px; background: var(--gold-soft); text-align: center; }
.corpus-badge strong { font: 700 30px Georgia, serif; }
.audit-heading { margin-bottom: 22px; }
.audit-filters { padding: 18px; }
.audit-search-row { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 14px; align-items: start; }
.audit-filters label > span, .audit-filters legend {
  display: block; margin-bottom: 5px; color: var(--muted); font-size: 11px; font-weight: 800;
}
.audit-filters input[type="search"], .audit-filters select {
  width: 100%; height: 46px; padding: 8px 11px; border: 1px solid var(--line);
  border-radius: 10px; color: var(--ink); background: var(--surface-control);
}
.audit-primary-search input { font-size: 16px; }
.audit-primary-search small { display: block; margin-top: 7px; color: var(--muted); font-size: 11px; }
.audit-primary-search code, .record-id {
  padding: 2px 5px; border: 1px solid var(--line); border-radius: 5px;
  color: var(--ink); background: var(--surface-subtle); font: 700 11px ui-monospace, monospace;
}
.audit-search-actions { display: flex; gap: 8px; padding-top: 23px; }
.audit-advanced { margin-top: 15px; border-top: 1px solid var(--line); }
.audit-advanced summary {
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
  padding: 14px 2px 0; cursor: pointer; font-weight: 850;
}
.audit-advanced summary small { color: var(--muted); font-size: 11px; font-weight: 600; }
.audit-advanced[open] summary { padding-bottom: 14px; }
.audit-filter-grid {
  display: grid; grid-template-columns: minmax(280px, 1.05fr) minmax(280px, 1fr) minmax(250px, .85fr);
  gap: 16px; padding-top: 2px;
}
.audit-filter-grid fieldset { min-width: 0; margin: 0; padding: 0; border: 0; }
.audit-check-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 7px; }
.audit-check-grid label {
  display: flex; align-items: center; gap: 8px; min-height: 40px; padding: 8px 10px;
  border: 1px solid var(--line); border-radius: 9px; background: var(--surface-control); cursor: pointer;
}
.audit-check-grid label > span { margin: 0; color: var(--ink); font-size: 12px; }
.audit-check-grid label:has(input:checked) { border-color: var(--green); background: var(--mint); }
.audit-check-grid input { width: auto; accent-color: var(--green); }
.audit-select-filters { display: grid; grid-template-columns: 1fr 1.45fr; gap: 8px; }
.audit-select-filters label:last-child { grid-column: 1 / -1; }
.audit-segmented { grid-template-columns: repeat(3, 1fr); margin-top: 0; }
.audit-segmented span { padding-inline: 6px; font-size: 11px; }
.audit-image-filter p { margin: 9px 2px 0; color: var(--muted); font-size: 11px; }
.audit-results-head {
  min-height: 40px; display: flex; align-items: center; justify-content: space-between; gap: 14px;
  margin: 6px 0 10px; padding-inline: 3px;
}
.audit-results-head strong, .audit-results-head span { display: block; }
.audit-results-head strong { font-size: 13px; }
.audit-query-resolution { margin-top: 2px; color: var(--muted); font-size: 11px; }
.audit-query-resolution.resolved { color: var(--green-text); font-weight: 750; }
.audit-query-resolution.unresolved { color: var(--audit-note); }
.audit-list { display: grid; gap: 12px; }
.audit-card { margin: 0; }
.audit-card header, .audit-card footer { display: flex; justify-content: space-between; gap: 16px; }
.audit-card[data-match-kind="question_id"], .audit-card[data-match-kind="mir"] {
  border-color: var(--green); box-shadow: inset 4px 0 0 var(--green), var(--shadow);
}
.audit-record-title, .audit-card-status { display: flex; flex-wrap: wrap; align-items: center; gap: 7px; }
.audit-card-status { justify-content: end; }
.match-chip, .image-chip {
  display: inline-flex; width: max-content; padding: 4px 7px; border-radius: 7px;
  color: var(--green-text); background: var(--mint); font-size: 10px; font-weight: 850;
  text-transform: uppercase; letter-spacing: .04em;
}
.image-chip { color: var(--gold-ink); background: var(--gold-soft); }
.audit-card > small, .audit-card footer { color: var(--muted); }
.audit-card p { margin: 12px 0 18px; font-family: Georgia, serif; font-size: 17px; }
.audit-card footer { padding-top: 12px; border-top: 1px solid var(--line); font-size: 11px; }
.audit-empty-state .button { justify-self: center; margin-top: 8px; }
.pagination { display: flex; align-items: center; justify-content: center; gap: 16px; margin-top: 24px; }
.back-link { display: inline-block; margin-bottom: 20px; color: var(--green-text); font-weight: 750; }
.audit-detail-grid { display: grid; grid-template-columns: minmax(0, 1.4fr) minmax(300px, .6fr); gap: 20px; align-items: start; }
.evidence-copy h3 { margin: 24px 0 8px; color: var(--green-text); font-size: 12px; text-transform: uppercase; letter-spacing: .08em; }
.evidence-copy p { white-space: pre-line; }
.audit-options { display: grid; gap: 8px; padding-left: 30px; }
.audit-options li { padding: 10px; border-radius: 9px; background: var(--surface-subtle); }
.audit-options li.correct { background: var(--mint); font-weight: 750; }
.audit-image { display: block; max-width: 100%; max-height: 520px; margin: 20px auto; border-radius: 10px; }
.provenance dl { margin: 16px 0 0; }
.provenance dl div { padding: 10px 0; border-bottom: 1px solid var(--line); }
.provenance dt { color: var(--muted); font-size: 10px; text-transform: uppercase; letter-spacing: .07em; }
.provenance dd { margin: 3px 0 0; overflow-wrap: anywhere; }
.hash { font-family: ui-monospace, monospace; font-size: 10px; }
.span-row { display: grid; padding: 10px 0; border-bottom: 1px solid var(--line); }
.span-row span, .span-row small { color: var(--muted); font-size: 11px; }
.error-page { min-height: 60vh; }
.error-page .mode-icon { margin: auto; background: var(--red); }
.toast {
  position: fixed; right: 22px; bottom: 22px; z-index: 100; max-width: 340px;
  padding: 12px 16px; border-radius: 11px; color: #fff; background: var(--hero-bg);
  opacity: 0; pointer-events: none; transform: translateY(10px); transition: .2s ease;
}
.toast.show { opacity: 1; transform: translateY(0); }
.modal-dialog {
  max-width: 420px; padding: 26px; border: 1px solid var(--panel-border);
  border-radius: var(--radius); color: var(--ink); background: var(--surface);
  box-shadow: var(--shadow);
}
.modal-dialog::backdrop { background: rgba(7,12,10,.55); backdrop-filter: blur(3px); }
.modal-dialog h2 { margin: 0 0 8px; font: 700 22px/1.2 Georgia, serif; letter-spacing: -.02em; }
.modal-dialog p { margin: 0 0 22px; color: var(--muted); }
.modal-actions { display: flex; flex-wrap: wrap; justify-content: end; gap: 10px; }
.lightbox {
  position: fixed; inset: 0; width: 100%; max-width: none; height: 100%; max-height: none;
  margin: 0; padding: 0; border: 0; color: #fff; background: rgba(7,12,10,.97);
}
.lightbox::backdrop { background: rgba(7,12,10,.97); }
.lightbox[open] { display: grid; grid-template-rows: auto 1fr; }
.lightbox-toolbar {
  position: relative; z-index: 2; display: flex; flex-wrap: wrap; gap: 6px;
  justify-content: center; padding: 10px; background: rgba(7,12,10,.9);
}
.lightbox-toolbar button {
  min-width: 44px; min-height: 40px; padding: 8px 12px; border: 1px solid rgba(255,255,255,.25);
  border-radius: 10px; color: #fff; background: rgba(255,255,255,.08); cursor: pointer; font-weight: 800;
}
.lightbox-toolbar button:hover { background: rgba(255,255,255,.18); }
.lightbox-stage { overflow: hidden; display: grid; place-items: center; touch-action: none; }
.lightbox-stage img { user-select: none; cursor: grab; }
.lightbox-stage img:active { cursor: grabbing; }
.image-expand { display: flex; margin: 10px auto 0; }

@media (max-width: 980px) {
  .metric-grid { grid-template-columns: repeat(2, 1fr); }
  .dashboard-grid, .session-builder, .exam-layout, .audit-detail-grid, .profile-grid { grid-template-columns: 1fr; }
  .builder-summary, .question-nav { position: static; max-height: none; }
  .question-nav { order: -1; }
  .question-grid { grid-template-columns: repeat(10, 1fr); }
  .audit-filter-grid { grid-template-columns: 1fr 1fr; }
  .audit-image-filter { grid-column: 1 / -1; }
  .search-field { grid-column: 1 / -1; }
  .topic-cards { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 680px) {
  .page-shell { width: min(100% - 24px, 1280px); padding-top: 28px; }
  .topbar { min-height: 66px; padding: 10px 14px; }
  .brand small { display: none; }
  .nav-toggle { display: block; }
  .main-nav {
    position: absolute; top: 65px; left: 12px; right: 12px; display: none; padding: 8px;
    border: 1px solid var(--line); border-radius: 12px; background: var(--surface); box-shadow: var(--shadow);
  }
  .main-nav.open { display: grid; }
  .hero, .page-heading, .result-hero { align-items: stretch; flex-direction: column; }
  .hero h1 { font-size: 46px; }
  .metric-grid { grid-template-columns: 1fr 1fr; gap: 8px; }
  .metric-card { padding: 16px; }
  .metric-card strong { font-size: 27px; }
  .panel { padding: 17px; border-radius: 14px; }
  .dashboard-grid { gap: 0; }
  .panel-head { align-items: start; }
  .subject-table { min-width: 700px; }
  .session-row { grid-template-columns: 36px 1fr auto; }
  .session-row .status-pill { display: none; }
  .mode-grid, .check-grid { grid-template-columns: 1fr; }
  .avatar-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .mode-card.real { grid-column: auto; }
  .year-grid { grid-template-columns: repeat(3, 1fr); }
  .exam-header { top: 66px; grid-template-columns: 1fr auto; margin-top: -14px; }
  .exam-progress { grid-row: 2; grid-column: 1 / -1; }
  .exam-header .timer { grid-column: 1; grid-row: 1; }
  .exam-header > div:first-child { display: none; }
  .question-panel { padding: 18px; }
  .topic-line { margin-top: 20px; }
  .option { grid-template-columns: 32px 1fr; }
  .option-state { grid-column: 2; }
  .question-grid { grid-template-columns: repeat(7, 1fr); }
  .result-hero { align-items: center; text-align: center; }
  .result-subjects article { grid-template-columns: 1fr 45px; gap: 8px; }
  .result-bar { grid-column: 1 / -1; grid-row: 2; }
  .topic-cards { grid-template-columns: 1fr; }
  .audit-search-row, .audit-filter-grid { grid-template-columns: 1fr; }
  .audit-search-actions { padding-top: 0; }
  .audit-search-actions .button { flex: 1; }
  .audit-image-filter { grid-column: auto; }
  .audit-advanced summary small { display: none; }
  .audit-card header, .audit-card footer { flex-direction: column; }
  .corpus-badge { min-width: 0; }
}


@media (max-width: 420px) {
  .theme-toggle [data-theme-label] { display: none; }
  .theme-toggle { width: 40px; justify-content: center; padding-inline: 8px; }
}

@media (hover: none) and (pointer: coarse) {
  .keyboard-hint { display: none; }
}

/* ========================================================================== */
/* QBank Clinical Navy — system-wide interface                                */
/* ========================================================================== */

:root {
  --ink: #18243b;
  --muted: #69758a;
  --paper: #f4f7fb;
  --surface: #ffffff;
  --line: #d5dbe5;
  --green: #0b4b9b;
  --green-2: #083c7e;
  --green-action: #0b4b9b;
  --green-text: #0b4b9b;
  --mint: #eaf2ff;
  --gold: #f2a31a;
  --gold-soft: #fff4da;
  --red: #d9553f;
  --red-soft: #fff0ed;
  --success: #2a9d55;
  --success-soft: #eef9f1;
  --navy: #082a5c;
  --navy-deep: #061f45;
  --blue-soft: #edf4ff;
  --surface-solid: #ffffff;
  --surface-panel: #ffffff;
  --surface-control: #ffffff;
  --surface-subtle: #f1f4f8;
  --surface-selected: #eef5ff;
  --surface-success: #eef9f1;
  --surface-warning: #fff8e8;
  --surface-error: #fff1ee;
  --surface-explanation: #f1f7ff;
  --surface-annulled: #fff8e8;
  --track: #e2e7ef;
  --topbar: #082a5c;
  --nav-active: rgba(255,255,255,.13);
  --panel-border: #d5dbe5;
  --body-glow: rgba(11,75,155,.12);
  --hero-bg: #082a5c;
  --hero-muted: rgba(255,255,255,.72);
  --gold-ink: #9a6100;
  --audit-note: #8e5b08;
  --shadow: none;
  --radius: 4px;
  --color-bg-subtle: #f1f4f8;
  --color-border: #d5dbe5;
}

html[data-theme="dark"] {
  --ink: #eef2f7;
  --muted: #b3bece;
  --paper: #101216;
  --surface: #1b1f26;
  --line: #424d5c;
  --green: #9fc5ff;
  --green-2: #3572cf;
  --green-action: #2862bd;
  --green-text: #9fc5ff;
  --mint: #24344b;
  --gold: #f1c978;
  --gold-soft: #3c2f18;
  --red: #f5a798;
  --red-soft: #422923;
  --success: #85d6a0;
  --success-soft: #163829;
  --navy: #101216;
  --navy-deep: #101216;
  --blue-soft: #24344b;
  --surface-solid: #2d3440;
  --surface-panel: #1b1f26;
  --surface-control: #242a33;
  --surface-subtle: #242a33;
  --surface-selected: #24344b;
  --surface-success: #163829;
  --surface-warning: #3a301c;
  --surface-error: #422923;
  --surface-explanation: #202c3c;
  --surface-annulled: #392f1b;
  --track: #424d5c;
  --topbar: #101216;
  --nav-active: rgba(255,255,255,.11);
  --panel-border: #424d5c;
  --body-glow: rgba(61,128,213,.12);
  --hero-bg: #101216;
  --hero-muted: rgba(236,242,251,.72);
  --gold-ink: #f1c978;
  --audit-note: #e7be6a;
  --color-bg-subtle: #242a33;
  --color-border: #424d5c;
}

html { scroll-behavior: smooth; }
body {
  background: var(--paper);
  font-family: Inter, "Segoe UI", ui-sans-serif, system-ui, sans-serif;
  letter-spacing: -.004em;
}

/* Shared chrome */
.topbar {
  min-height: 66px;
  padding: 8px max(22px, calc((100vw - 1440px) / 2));
  border-bottom: 1px solid rgba(255,255,255,.15);
  background: var(--topbar);
  backdrop-filter: none;
}
.brand { color: #fff; gap: 0; }
.brand-mark { display: none; }
.brand strong {
  color: #fff;
  font-family: Inter, "Segoe UI", ui-sans-serif, system-ui, sans-serif;
  font-size: 20px;
  font-weight: 760;
  letter-spacing: -.025em;
}
.brand small { display: none; }
.topbar-actions { gap: 14px; }
.main-nav { order: 1; gap: 2px; }
.theme-toggle { order: 2; }
.main-nav a {
  min-height: 40px;
  display: inline-flex;
  align-items: center;
  padding: 8px 13px;
  border-radius: 2px;
  color: rgba(255,255,255,.74);
  font-size: 13px;
  font-weight: 600;
}
.main-nav a:hover,
.main-nav a[aria-current="page"] {
  color: #fff;
  background: var(--nav-active);
}
.main-nav .nav-user { max-width: 190px; }
.user-avatar { background: #fff; color: var(--navy); }
.main-nav .button.quiet {
  min-height: 36px;
  border-color: rgba(255,255,255,.34);
  color: #fff;
  background: transparent;
}
.main-nav .button.quiet:hover { background: rgba(255,255,255,.1); }
.theme-toggle {
  min-height: 36px;
  border-color: rgba(255,255,255,.28);
  border-radius: 2px;
  color: rgba(255,255,255,.82);
  background: transparent;
}
.theme-toggle:hover { color: #fff; border-color: rgba(255,255,255,.56); }
.nav-toggle { color: #fff; }
.page-shell {
  width: min(1440px, calc(100% - 64px));
  padding: 36px 0 72px;
}

/* Typography and hierarchy */
.hero,
.page-heading,
.result-hero {
  align-items: center;
  margin-bottom: 26px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--line);
}
.hero h1,
.page-heading h1,
.result-hero h1 {
  margin: 5px 0 8px;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(34px, 4vw, 50px);
  font-weight: 500;
  line-height: 1.06;
  letter-spacing: -.035em;
}
.page-heading h1,
.result-hero h1 { font-size: clamp(32px, 3.4vw, 46px); }
.hero p,
.page-heading p,
.result-hero p { color: var(--muted); font-size: 15px; }
.eyebrow {
  color: var(--green-text);
  font-family: ui-monospace, "SFMono-Regular", Consolas, monospace;
  font-size: 10px;
  font-weight: 750;
  letter-spacing: .09em;
}
.panel h2,
.plain-section h2 { font-weight: 500; }

/* Controls */
.button {
  min-height: 42px;
  padding: 9px 16px;
  border-radius: 2px;
  font-size: 13px;
  font-weight: 680;
}
.button:hover { transform: none; }
.button.primary {
  color: #fff;
  background: var(--green-action);
  box-shadow: none;
}
.button.primary:hover { background: var(--green-2); }
.button.quiet { border-color: var(--line); background: var(--surface-control); }
.button.quiet:hover { border-color: var(--green); color: var(--green-text); background: var(--blue-soft); }
.button.danger { box-shadow: none; }
.button.small { min-height: 34px; font-size: 12px; }
.text-link,
.back-link { color: var(--green-text); text-underline-offset: 3px; }
.text-link:hover,
.back-link:hover { text-decoration: underline; }
input,
select,
textarea,
.auth-form input,
.audit-filters input[type="search"],
.audit-filters select {
  border-radius: 2px;
}
input:focus,
select:focus,
textarea:focus {
  border-color: var(--green) !important;
  box-shadow: 0 0 0 2px color-mix(in srgb, var(--green) 14%, transparent);
}

/* Panels, summaries and tables */
.metric-card,
.panel {
  border-color: var(--panel-border);
  border-radius: var(--radius);
  background: var(--surface-panel);
  box-shadow: none;
}
.panel { padding: 22px; }
.panel-head {
  padding-bottom: 14px;
  border-bottom: 1px solid var(--line);
}
.panel h2 { font-size: 23px; }
.metric-grid { gap: 0; border: 1px solid var(--line); }
.metric-card {
  min-height: 124px;
  padding: 20px;
  border: 0;
  border-right: 1px solid var(--line);
}
.metric-card:last-child { border-right: 0; }
.metric-card::after { display: none; }
.metric-card.accent {
  color: var(--ink);
  background: var(--surface-panel);
  box-shadow: inset 4px 0 0 var(--green-action);
}
.metric-card.accent span,
.metric-card.accent small { color: var(--muted); }
.metric-card.danger { background: var(--surface-panel); box-shadow: inset 4px 0 0 var(--red); }
.metric-card span { font-family: ui-monospace, Consolas, monospace; font-size: 10px; letter-spacing: .055em; }
.metric-card strong { font-weight: 500; color: var(--ink); }
.status-pill,
.match-chip,
.image-chip {
  padding: 4px 8px;
  border: 1px solid color-mix(in srgb, var(--green) 28%, var(--line));
  border-radius: 2px;
  color: var(--green-text);
  background: var(--blue-soft);
}
.status-pill.active,
.status-pill.warning,
.image-chip {
  border-color: color-mix(in srgb, var(--gold) 44%, var(--line));
  color: var(--gold-ink);
  background: var(--gold-soft);
}
.bar,
.coverage-cell,
.result-bar,
.exam-progress { border-radius: 1px; }
.bar i,
.coverage-cell i,
.result-bar i { border-radius: 0; background: var(--green-action); }
.subject-table th,
.subject-table td { padding-block: 13px; }
.subject-table tbody tr:hover { background: var(--blue-soft); }
.subject-code {
  border: 1px solid color-mix(in srgb, var(--green) 28%, var(--line));
  border-radius: 2px;
  color: var(--green-text);
  background: var(--blue-soft);
}
.accuracy-chip { border-radius: 2px; }
.accuracy-chip.good {
  color: var(--success);
  background: var(--success-soft);
  border: 1px solid color-mix(in srgb, var(--success) 30%, var(--line));
}
.accuracy-chip.risk { border: 1px solid color-mix(in srgb, var(--red) 30%, var(--line)); }
.session-row { padding: 15px 4px; }
.session-row:hover { background: var(--blue-soft); }
.session-row:hover .session-main strong { color: var(--green-text); }
.session-icon,
.mode-icon {
  border: 1px solid var(--green-action);
  border-radius: 2px;
  color: #fff;
  background: var(--green-action);
  font-family: Inter, "Segoe UI", sans-serif;
}

/* Login, registration, invitation and profile */
.auth-shell {
  min-height: calc(100vh - 174px);
  align-items: center;
}
.auth-card {
  position: relative;
  width: min(470px, 100%);
  padding: 34px;
  border-top: 4px solid var(--green-action);
}
.auth-card::before {
  content: "QBank MIR · ACCESO SEGURO";
  display: block;
  margin-bottom: 24px;
  color: var(--muted);
  font-family: ui-monospace, Consolas, monospace;
  font-size: 9px;
  letter-spacing: .11em;
}
.auth-card .panel-head { margin-bottom: 22px; }
.auth-card h1 {
  font-size: 34px;
  font-weight: 500;
}
.auth-form { gap: 16px; }
.auth-form label span { color: var(--ink); font-size: 11px; }
.auth-form input { height: 46px; }
.oauth-avatar-card,
.avatar-option-frame { border-radius: 3px; }
.profile-avatar,
.avatar-option img { border-radius: 2px; }
.danger-panel { border-left: 4px solid var(--red); }

/* Session builder — all practice modes */
.session-builder { grid-template-columns: minmax(0, 1fr) 320px; gap: 24px; }
.builder-summary {
  top: 88px;
  border-top: 4px solid var(--green-action);
}
.mode-grid {
  gap: 0;
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
}
.mode-card {
  min-height: 105px;
  padding: 15px;
  border-width: 0 1px 1px 0;
  border-color: var(--line);
  border-radius: 0;
  background: var(--surface-control);
}
.mode-card:hover { border-color: var(--line); transform: none; background: var(--blue-soft); }
.mode-card:has(input:checked) {
  border-color: var(--green);
  box-shadow: inset 3px 0 0 var(--green-action), inset 0 0 0 1px var(--green-action);
  background: var(--surface-selected);
}
.mode-card:has(input:checked) .mode-icon { background: var(--green-action); }
.preset-buttons { gap: 0; }
.preset-buttons button {
  min-width: 46px;
  border-radius: 0;
  margin-right: -1px;
  background: var(--surface-control);
}
.preset-buttons button.active {
  position: relative;
  color: #fff;
  border-color: var(--green-action);
  background: var(--green-action);
}
output { border-radius: 2px; color: var(--green-text); background: var(--blue-soft); }
input[type="range"] { accent-color: var(--green-action); }
.segmented { gap: 0; padding: 0; border: 1px solid var(--line); border-radius: 2px; background: var(--surface-subtle); }
.segmented span { border-radius: 0; }
.segmented label:has(input:checked) span {
  color: #fff;
  background: var(--green-action);
  box-shadow: none;
}
.check-grid,
.year-grid { gap: 0; }
.check-grid label,
.year-grid label {
  margin-right: -1px;
  margin-bottom: -1px;
  border-radius: 0;
}
.check-grid label:has(input:checked),
.year-grid label:has(input:checked) {
  border-color: var(--green);
  color: var(--green-text);
  background: var(--surface-selected);
}
.check-grid input,
.year-grid input { accent-color: var(--green-action); }

/* Exam, review and free-practice views */
.exam-header {
  top: 66px;
  margin: -36px 0 26px;
  padding: 15px 18px;
  border-width: 0 0 1px;
  border-radius: 0;
  background: var(--surface-panel);
  box-shadow: none;
  backdrop-filter: none;
}
.exam-header .eyebrow { margin-bottom: 3px; }
.exam-progress { height: 4px; }
.exam-progress i { border-radius: 0; background: var(--green-action); }
.timer strong { color: var(--green-text); font-size: 16px; }
.timer-toggle,
.flag-button { border-radius: 2px; }
.exam-layout { grid-template-columns: minmax(0, 1fr) 320px; gap: 0; }
.question-panel {
  margin: 0;
  padding: clamp(26px, 4vw, 50px);
  border-right: 0;
}
.question-meta {
  padding-bottom: 18px;
  border-bottom: 1px solid var(--line);
}
.topic-line { margin-top: 20px; }
.stem {
  max-width: 960px;
  margin: 24px 0 30px;
  font-size: clamp(21px, 2.35vw, 30px);
  line-height: 1.48;
}
.question-image {
  max-width: 720px;
  padding: 8px;
  border-radius: 2px;
  background: var(--surface-solid);
}
.question-image img,
.audit-image { border-radius: 0; }
.option {
  min-height: 66px;
  padding: 14px 16px;
  border-radius: 2px;
}
.option:hover:not(:disabled) {
  border-color: var(--green-action);
  transform: none;
  background: var(--blue-soft);
}
.option-key {
  border-radius: 2px;
  font-family: Georgia, "Times New Roman", serif;
  font-size: 16px;
  font-weight: 500;
}
.option.selected {
  border-color: var(--green-action);
  background: var(--surface-selected);
  box-shadow: inset 3px 0 0 var(--green-action);
}
.option.selected .option-key { border-color: var(--green-action); background: var(--green-action); }
.option.correct {
  border-color: var(--success);
  background: var(--success-soft);
  box-shadow: inset 3px 0 0 var(--success);
}
.option.correct .option-key { border-color: var(--success); background: var(--success); }
.option.wrong {
  border-color: var(--red);
  background: var(--surface-error);
  box-shadow: inset 3px 0 0 var(--red);
}
.option-state { font-family: ui-monospace, Consolas, monospace; font-size: 9px; }
.explanation {
  border-left-color: var(--green-action);
  border-radius: 0 2px 2px 0;
  background: var(--surface-explanation);
}
.explanation.annulled { border-color: var(--gold); }
.historical-explanation p { border-radius: 2px; }
.question-controls { align-items: center; }
.question-nav {
  top: 92px;
  max-height: calc(100vh - 112px);
  margin: 0;
  border-left: 1px solid var(--line);
  background: var(--surface-panel);
}
.question-nav .panel-head,
.question-nav header { padding-bottom: 15px; border-bottom: 1px solid var(--line); }
.question-nav h2 { margin-top: 4px; }
.nav-legend { flex-wrap: wrap; padding-bottom: 12px; border-bottom: 1px solid var(--line); }
.nav-legend i { background: var(--green-action); }
.question-grid { gap: 6px; }
.question-grid a {
  border-radius: 2px;
  background: var(--surface-control);
}
.question-grid a:hover { border-color: var(--green-action); background: var(--blue-soft); }
.question-grid a.answered { border-color: var(--green-action); background: var(--green-action); }
.question-grid a.current { outline: 2px solid var(--green-action); }
.question-grid a.flagged::after { border-radius: 0; background: var(--gold); }
kbd { border-radius: 2px; }

/* Results */
.result-hero {
  padding: 28px 30px;
  border: 0;
  border-radius: 2px;
  background: var(--hero-bg);
}
.result-hero h1 { color: #fff; }
.score-ring {
  border-radius: 50%;
  background: conic-gradient(#77aef1 calc(var(--score) * 1%), rgba(255,255,255,.15) 0);
}
.result-subjects article:hover,
.topic-cards article:hover { background: var(--blue-soft); }
.topic-cards { gap: 0; border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.topic-cards article {
  border-width: 0 1px 1px 0;
  border-radius: 0;
}

/* Audit console and evidence pages */
.corpus-badge {
  min-width: 170px;
  padding: 18px;
  border: 1px solid var(--line);
  border-top: 4px solid var(--green-action);
  border-radius: 2px;
  color: var(--ink);
  background: var(--surface-panel);
}
.audit-filters { border-top: 4px solid var(--green-action); }
.audit-search-row { align-items: end; }
.audit-primary-search code,
.record-id { border-radius: 2px; }
.audit-advanced summary { color: var(--green-text); }
.audit-check-grid { gap: 0; }
.audit-check-grid label {
  margin-right: -1px;
  margin-bottom: -1px;
  border-radius: 0;
}
.audit-check-grid label:has(input:checked) {
  border-color: var(--green);
  color: var(--green-text);
  background: var(--surface-selected);
}
.audit-check-grid input { accent-color: var(--green-action); }
.audit-card { border-radius: 2px; }
.audit-card:hover { border-color: color-mix(in srgb, var(--green) 45%, var(--line)); }
.audit-card[data-match-kind="question_id"],
.audit-card[data-match-kind="mir"] {
  border-color: var(--green-action);
  box-shadow: inset 4px 0 0 var(--green-action);
}
.audit-card p { font-size: 18px; line-height: 1.55; }
.match-chip[style] {
  border-color: color-mix(in srgb, var(--green) 32%, var(--line)) !important;
  color: var(--green-text) !important;
  background: var(--blue-soft) !important;
}
.evidence-copy h3 { color: var(--green-text); }
.audit-options li { border-radius: 2px; }
.audit-options li.correct {
  border-left: 3px solid var(--success);
  color: var(--ink);
  background: var(--success-soft);
}
.provenance { border-top: 3px solid var(--green-action); }

/* Administration and inline legacy surfaces */
.table { color: var(--ink); background: var(--surface-panel); }
.table th { color: var(--muted); font-family: ui-monospace, Consolas, monospace; font-size: 10px; text-transform: uppercase; letter-spacing: .06em; }
.table tbody tr:hover { background: var(--blue-soft); }
.badge { border-radius: 2px !important; }
#invite-result-card {
  border-color: var(--line) !important;
  border-radius: 2px !important;
  background: var(--surface-subtle) !important;
}
#code-display-box {
  border-color: var(--line) !important;
  border-radius: 2px !important;
  color: var(--ink) !important;
  background: var(--surface-control) !important;
}
#result-code { color: var(--green-text) !important; }

/* Dialogs, messages and image viewer */
.toast { border-radius: 2px; background: var(--navy); }
.modal-dialog { border-radius: 3px; }
.modal-dialog::backdrop { background: rgba(3,18,39,.58); }
.lightbox,
.lightbox::backdrop { background: rgba(3,13,29,.98); }
.lightbox-toolbar { background: var(--navy-deep); }
.lightbox-toolbar button { border-radius: 2px; }

@media (max-width: 980px) {
  .exam-layout { grid-template-columns: 1fr; gap: 16px; }
  .question-nav { position: static; max-height: none; border-left: 1px solid var(--line); }
  .session-builder { grid-template-columns: 1fr; }
  .builder-summary { position: static; }
}

@media (max-width: 680px) {
  .page-shell { width: min(100% - 24px, 1440px); padding-top: 26px; }
  .topbar { min-height: 60px; padding: 9px 12px; }
  .brand strong { font-size: 18px; }
  .main-nav {
    top: 59px;
    border-color: var(--line);
    border-radius: 2px;
    color: var(--ink);
    background: var(--surface);
  }
  .main-nav a { color: var(--muted); }
  .main-nav a:hover,
  .main-nav a[aria-current="page"] { color: var(--green-text); background: var(--blue-soft); }
  .main-nav .button.quiet { border-color: var(--line); color: var(--ink); }
  .theme-toggle { order: 1; }
  .nav-toggle { order: 2; }
  .hero,
  .page-heading { padding-bottom: 20px; }
  .hero h1,
  .page-heading h1 { font-size: 38px; }
  .metric-grid { gap: 0; }
  .metric-card { min-height: 112px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); }
  .metric-card:nth-child(even) { border-right: 0; }
  .metric-card:nth-last-child(-n + 2) { border-bottom: 0; }
  .panel { border-radius: 2px; }
  .exam-header { top: 60px; margin-top: -26px; }
  .question-panel { padding: 20px 16px; }
  .question-meta { align-items: flex-start; }
  .option { min-height: 62px; }
  .question-grid { grid-template-columns: repeat(5, 1fr); }
  .auth-card { padding: 26px 20px; }
  .audit-card header,
  .audit-card footer { gap: 10px; }
}

@media (max-width: 420px) {
  .metric-grid { grid-template-columns: 1fr; }
  .metric-card,
  .metric-card:nth-child(even),
  .metric-card:nth-last-child(-n + 2) { border-right: 0; border-bottom: 1px solid var(--line); }
  .metric-card:last-child { border-bottom: 0; }
  .mode-grid { grid-template-columns: 1fr; }
  .question-grid { grid-template-columns: repeat(4, 1fr); }
}

/* Administrator usage analytics */
.admin-hero,
.admin-user-hero {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 28px;
  margin-bottom: 14px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--line);
}
.admin-hero h1,
.admin-user-hero h1 {
  margin: 6px 0 8px;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(34px, 4vw, 50px);
  font-weight: 500;
  line-height: 1.06;
  letter-spacing: -.035em;
}
.admin-hero p,
.admin-user-hero p { max-width: 760px; color: var(--muted); }
.admin-subnav {
  display: flex;
  align-items: center;
  gap: 4px;
  margin: -2px 0 24px;
  padding: 5px;
  border: 1px solid var(--line);
  background: var(--surface-panel);
}
.admin-subnav-label {
  margin: 0 8px 0 6px;
  color: var(--muted);
  font-family: ui-monospace, Consolas, monospace;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: .07em;
  text-transform: uppercase;
}
.admin-subnav a {
  min-height: 32px;
  padding: 7px 11px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
  text-decoration: none;
}
.admin-subnav a:hover { color: var(--green-text); background: var(--blue-soft); }
.admin-subnav a[aria-current="page"] { color: #fff; background: var(--green-action); }
.admin-invites-hero { margin-bottom: 20px; }
.admin-invite-create { margin-bottom: 20px; }
.admin-invite-form { display: flex; align-items: end; gap: 12px; }
.admin-invite-form label { flex: 1; margin: 0; }
.admin-invite-form label > span {
  display: block;
  margin-bottom: 7px;
  color: var(--muted);
  font-family: ui-monospace, Consolas, monospace;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: .07em;
  text-transform: uppercase;
}
.admin-invite-form input { width: 100%; min-height: 44px; }
.admin-invite-form .button { min-height: 44px; white-space: nowrap; }
.admin-invite-create .form-error { margin: 12px 0 0; }
.invite-result {
  margin-top: 18px;
  padding: 18px;
  border: 1px solid color-mix(in srgb, var(--success) 42%, var(--line));
  border-left: 4px solid var(--success);
  background: var(--success-soft);
}
.invite-result[data-delivery="manual"] {
  border-color: color-mix(in srgb, var(--gold) 45%, var(--line));
  border-left-color: var(--gold);
  background: color-mix(in srgb, var(--gold) 10%, var(--surface-panel));
}
.invite-result > header { display: flex; align-items: start; justify-content: space-between; gap: 14px; }
.invite-result h3 { margin: 4px 0 0; color: var(--ink); font-size: 18px; }
.invite-result > p { margin: 10px 0 14px; color: var(--ink); font-size: 13px; }
.invite-code-display {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 14px;
  border: 1px dashed color-mix(in srgb, var(--green) 42%, var(--line));
  background: var(--surface-panel);
}
.invite-code-display > div:first-child > span { display: block; color: var(--muted); font-size: 10px; font-weight: 700; letter-spacing: .07em; text-transform: uppercase; }
.invite-code-display strong { display: block; margin-top: 4px; color: var(--green-text); font-family: ui-monospace, Consolas, monospace; font-size: 22px; letter-spacing: .15em; }
.invite-copy-actions { display: flex; flex-wrap: wrap; gap: 7px; justify-content: end; }
.invite-copy-status { min-height: 17px; margin: 10px 0 0 !important; color: var(--green-text) !important; font-size: 11px !important; }
.admin-invites-panel { padding-bottom: 10px; }
.admin-invites-panel .panel-head p { margin-top: 3px; color: var(--muted); font-size: 12px; }
.admin-invites-table { width: 100%; min-width: 780px; border-collapse: collapse; }
.admin-invites-table th { padding: 12px 10px; border-bottom: 1px solid var(--line); color: var(--muted); font-family: ui-monospace, Consolas, monospace; font-size: 9px; letter-spacing: .065em; text-align: left; text-transform: uppercase; }
.admin-invites-table td { padding: 13px 10px; border-bottom: 1px solid var(--line); color: var(--ink); font-size: 12px; vertical-align: middle; }
.admin-invites-table td:first-child { min-width: 210px; }
.admin-invites-table td:nth-child(4) { min-width: 150px; }
.admin-invites-table td span,
.admin-invites-table td small { display: block; }
.admin-invites-table td small { margin-top: 3px; color: var(--muted); font-size: 10px; }
.admin-invites-table tbody tr:hover { background: var(--blue-soft); }
.invite-status { display: inline-flex !important; align-items: center; min-height: 24px; padding: 3px 8px; border: 1px solid var(--line); border-radius: 999px; color: var(--muted); background: var(--surface-subtle); font-size: 10px; font-weight: 750; }
.invite-status.activa { border-color: color-mix(in srgb, var(--success) 35%, var(--line)); color: var(--success); background: var(--success-soft); }
.invite-status.expirada { border-color: color-mix(in srgb, var(--red) 35%, var(--line)); color: var(--red); background: var(--surface-error); }
.invite-status.usada { color: var(--muted); }
.admin-period-form { min-width: 210px; }
.admin-period-form label,
.admin-search label {
  display: block;
  margin-bottom: 6px;
  color: var(--muted);
  font-family: ui-monospace, Consolas, monospace;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: .07em;
  text-transform: uppercase;
}
.admin-period-form select { width: 100%; min-height: 42px; }
.admin-context-bar {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 18px;
  color: var(--muted);
  font-size: 12px;
}
.admin-kpi-grid {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  margin-bottom: 20px;
  border: 1px solid var(--line);
  background: var(--surface-panel);
}
.admin-kpi {
  min-width: 0;
  min-height: 130px;
  padding: 20px;
  border-right: 1px solid var(--line);
}
.admin-kpi:last-child { border-right: 0; }
.admin-kpi.primary { box-shadow: inset 4px 0 0 var(--green-action); }
.admin-kpi > span {
  display: block;
  min-height: 28px;
  color: var(--muted);
  font-family: ui-monospace, Consolas, monospace;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: .045em;
  text-transform: uppercase;
}
.admin-kpi > strong {
  display: block;
  margin: 7px 0 4px;
  overflow: hidden;
  color: var(--ink);
  font-size: clamp(26px, 2.2vw, 36px);
  font-weight: 520;
  line-height: 1;
  text-overflow: ellipsis;
}
.admin-kpi > small { color: var(--muted); font-size: 11px; line-height: 1.4; }
.admin-overview-grid,
.admin-user-grid,
.admin-detail-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.75fr) minmax(310px, .75fr);
  gap: 20px;
  margin-bottom: 20px;
}
.admin-detail-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.admin-chart-panel { position: relative; min-width: 0; }
.admin-trend-chart { display: block; width: 100%; height: 286px; }
.chart-summary { margin: 6px 0 0; color: var(--muted); font-size: 11px; }
.activity-panel { min-width: 0; }
.activity-feed { margin: 0; padding: 2px 0 0; list-style: none; }
.activity-feed li {
  position: relative;
  display: grid;
  grid-template-columns: 12px minmax(0, 1fr);
  gap: 10px;
  padding: 9px 0;
  border-bottom: 1px solid var(--line);
}
.activity-feed li:last-child { border-bottom: 0; }
.activity-dot {
  width: 7px;
  height: 7px;
  margin-top: 7px;
  border: 2px solid var(--surface-panel);
  border-radius: 50%;
  outline: 1px solid var(--green-action);
  background: var(--green-action);
}
.activity-feed div { min-width: 0; }
.activity-feed a,
.activity-feed strong,
.activity-feed span,
.activity-feed small { display: block; }
.activity-feed a { color: var(--green-text); font-size: 12px; font-weight: 700; }
.activity-feed strong { margin-top: 1px; color: var(--ink); font-size: 12px; }
.activity-feed span { color: var(--ink); font-size: 12px; }
.activity-feed small {
  overflow: hidden;
  margin-top: 2px;
  color: var(--muted);
  font-size: 10px;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.user-activity-feed { max-height: 388px; overflow: auto; padding-right: 6px; }
.admin-users-panel { padding-bottom: 10px; }
.admin-users-head { align-items: flex-end; }
.admin-users-head p { margin-top: 3px; color: var(--muted); font-size: 12px; }
.admin-search { width: min(520px, 100%); }
.admin-search > div { display: flex; gap: 7px; }
.admin-search input { flex: 1; min-width: 180px; }
.admin-table-wrap { width: 100%; overflow-x: auto; }
.admin-users-table {
  width: 100%;
  min-width: 1120px;
  border-collapse: collapse;
}
.admin-users-table th {
  padding: 12px 10px;
  border-bottom: 1px solid var(--line);
  color: var(--muted);
  font-family: ui-monospace, Consolas, monospace;
  font-size: 9px;
  letter-spacing: .065em;
  text-align: left;
  text-transform: uppercase;
}
.admin-users-table td {
  padding: 13px 10px;
  border-bottom: 1px solid var(--line);
  color: var(--ink);
  font-size: 12px;
  vertical-align: middle;
}
.admin-users-table tbody tr:hover { background: var(--blue-soft); }
.admin-users-table td > small { display: block; margin-top: 2px; color: var(--muted); font-size: 10px; }
.admin-user-cell { display: flex; align-items: center; gap: 10px; min-width: 230px; color: var(--ink); }
.admin-user-cell img,
.admin-user-identity img {
  flex: 0 0 auto;
  border: 1px solid var(--line);
  border-radius: 3px;
  object-fit: cover;
  background: var(--surface-subtle);
}
.admin-user-cell span,
.admin-user-cell strong,
.admin-user-cell small { display: block; min-width: 0; }
.admin-user-cell strong { overflow: hidden; font-size: 13px; text-overflow: ellipsis; white-space: nowrap; }
.admin-user-cell small { max-width: 210px; overflow: hidden; color: var(--muted); font-size: 10px; text-overflow: ellipsis; white-space: nowrap; }
.trend-chip,
.user-status {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  white-space: nowrap;
}
.trend-chip { color: var(--muted); font-size: 11px; font-weight: 700; }
.trend-chip.up { color: var(--success); }
.trend-chip.down { color: var(--red); }
.user-status { color: var(--muted); font-size: 11px; }
.user-status i { width: 7px; height: 7px; border-radius: 50%; background: var(--muted); }
.user-status.active i { background: var(--success); box-shadow: 0 0 0 3px color-mix(in srgb, var(--success) 14%, transparent); }
.user-status.occasional i { background: var(--gold); }
.admin-user-identity { display: flex; align-items: center; gap: 18px; }
.admin-user-identity h1 { font-size: clamp(32px, 3.6vw, 46px); }
.user-kpis { grid-template-columns: repeat(6, minmax(0, 1fr)); }
.admin-date-value { font-size: clamp(20px, 1.8vw, 29px) !important; }
.admin-session-list article {
  display: grid;
  grid-template-columns: 38px minmax(0, 1fr) auto;
  align-items: center;
  gap: 10px;
  padding: 12px 0;
  border-bottom: 1px solid var(--line);
}
.admin-session-list article:last-child { border-bottom: 0; }
.admin-session-list article > div { min-width: 0; }
.admin-session-list strong,
.admin-session-list small { display: block; }
.admin-session-list article > div > strong { overflow: hidden; font-size: 12px; text-overflow: ellipsis; white-space: nowrap; }
.admin-session-list small { margin-top: 3px; color: var(--muted); font-size: 10px; }
.session-audit-score { text-align: right; }
.session-audit-score > strong { color: var(--green-text); font-size: 15px; }
.admin-subject-table { min-width: 560px; }

@media (max-width: 1240px) {
  .admin-kpi-grid,
  .user-kpis { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .admin-kpi { border-bottom: 1px solid var(--line); }
  .admin-kpi:nth-child(3n) { border-right: 0; }
  .admin-kpi:nth-last-child(-n + 3) { border-bottom: 0; }
}

@media (max-width: 900px) {
  .admin-overview-grid,
  .admin-user-grid,
  .admin-detail-grid { grid-template-columns: 1fr; }
  .admin-hero,
  .admin-user-hero { align-items: stretch; flex-direction: column; gap: 18px; }
  .admin-period-form { width: min(320px, 100%); }
  .admin-users-head { align-items: stretch; flex-direction: column; }
  .admin-search { margin-top: 14px; }
  .admin-invite-form { align-items: stretch; flex-direction: column; }
  .admin-invite-form .button { width: fit-content; }
}

@media (max-width: 620px) {
  .admin-subnav { gap: 2px; margin-bottom: 18px; }
  .admin-subnav-label { display: none; }
  .admin-subnav a { flex: 1; text-align: center; }
  .invite-result { padding: 15px; }
  .invite-code-display { align-items: stretch; flex-direction: column; }
  .invite-copy-actions { justify-content: stretch; }
  .invite-copy-actions .button { flex: 1; }
  .admin-context-bar { align-items: flex-start; flex-direction: column; gap: 4px; }
  .admin-kpi-grid,
  .user-kpis { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .admin-kpi,
  .admin-kpi:nth-child(3n) { border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); }
  .admin-kpi:nth-child(even) { border-right: 0; }
  .admin-kpi:nth-last-child(-n + 2) { border-bottom: 0; }
  .admin-user-identity { align-items: flex-start; }
  .admin-user-identity img { width: 56px; height: 56px; }
  .admin-search > div { flex-wrap: wrap; }
  .admin-search input { flex-basis: 100%; }
  .admin-trend-chart { height: 240px; }
}

@media (max-width: 390px) {
  .admin-kpi-grid,
  .user-kpis { grid-template-columns: 1fr; }
  .admin-kpi,
  .admin-kpi:nth-child(even),
  .admin-kpi:nth-child(3n),
  .admin-kpi:nth-last-child(-n + 2) { border-right: 0; border-bottom: 1px solid var(--line); }
  .admin-kpi:last-child { border-bottom: 0; }
}

/* Focused practice: overview, session setup and question reading. */
.dashboard-home .hero { align-items: center; margin-bottom: 24px; }
.dashboard-home .hero h1 { font-size: clamp(32px, 3.4vw, 46px); }
.dashboard-home .hero p { font-size: 16px; }
.dashboard-home .hero-actions { flex-shrink: 0; }
.resume-session {
  display: flex; align-items: center; gap: 22px; margin-bottom: 20px; padding: 20px 24px;
  border: 1px solid color-mix(in srgb, var(--green) 35%, var(--line));
  border-radius: 4px; background: var(--blue-soft);
}
.resume-icon { display: grid; place-items: center; flex: 0 0 44px; height: 44px; border-radius: 50%; color: var(--green-text); background: var(--mint); border: 1px solid var(--line); }
.resume-copy { flex: 1; min-width: 0; }
.resume-copy h2 { margin: 0; font: 500 24px/1.3 Georgia, serif; }
.resume-copy p { margin: 2px 0 0; color: var(--muted); font-size: 13px; }
.resume-progress { display: flex; align-items: center; gap: 12px; flex: 1; color: var(--green-text); font-size: 13px; }
.dashboard-home progress { appearance: none; border: 0; border-radius: 8px; height: 6px; background: var(--track); overflow: hidden; }
.dashboard-home progress::-webkit-progress-bar { background: var(--track); }
.dashboard-home progress::-webkit-progress-value { background: var(--green-action); border-radius: 8px; }
.dashboard-home progress::-moz-progress-bar { background: var(--green-action); border-radius: 8px; }
.resume-progress progress { width: 100%; }
.dashboard-home .metric-grid { margin-bottom: 20px; }
.dashboard-home .metric-card { min-height: 112px; padding: 20px 24px; }
.dashboard-home .metric-card strong { font-size: 36px; }
.dashboard-home .dashboard-grid { grid-template-columns: minmax(0, 1.6fr) minmax(320px, 1fr); gap: 20px; align-items: start; }
.dashboard-home .panel { padding: 24px; margin-bottom: 20px; min-width: 0; }
.dashboard-home .panel-head { margin-bottom: 18px; }
.dashboard-home .performance-chart { height: 235px; }
.dashboard-home .chart-panel .empty-state { min-height: 180px; }
.dashboard-home .session-row { grid-template-columns: minmax(0, 1fr) auto auto; gap: 10px; padding: 16px 0; }
.dashboard-home .session-row:first-child { padding-top: 0; }
.dashboard-home .session-main { min-width: 0; }
.dashboard-home .session-main strong { font-size: 14px; overflow-wrap: anywhere; }
.dashboard-home .session-main small { margin-top: 5px; font-size: 12px; }
.list-toggle { display: inline-block; padding: 8px 0; margin-top: 8px; border: 0; background: none; cursor: pointer; text-align: left; }
.subject-coverage { display: flex; align-items: center; gap: 12px; min-width: 150px; }
.subject-coverage span { min-width: 48px; font-variant-numeric: tabular-nums; color: var(--muted); font-size: 12px; }
.subject-coverage progress { width: 100%; }
.weight-details { margin-top: 12px; border-top: 1px solid var(--line); }
.weight-details > summary { padding: 16px 0 0; cursor: pointer; color: var(--green-text); font-size: 13px; font-weight: 650; }
.weight-details .weight-panel { padding-top: 24px; }
.weight-details .weight-list { display: grid; grid-template-columns: 1fr 1fr; column-gap: 32px; }
.session-builder .mode-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px; border: 0; }
.session-builder .mode-card { grid-template-columns: 38px minmax(0, 1fr); gap: 6px 12px; align-content: center; min-height: 130px; padding: 18px 14px; border: 1px solid var(--line); border-radius: 3px; }
.session-builder .mode-card.real { grid-column: auto; }
.session-builder .mode-card strong { font-size: 13px; line-height: 1.45; padding-right: 5px; }
.session-builder .mode-card small { font-size: 12px; line-height: 1.5; }
.session-builder .mode-card:has(input:checked) { box-shadow: inset 0 0 0 1px var(--green-action); }
.session-builder .mode-card:has(input:checked)::after { content: "✓"; position: absolute; top: 7px; right: 7px; width: 16px; height: 16px; border-radius: 50%; background: var(--green-action); color: #fff; text-align: center; font-size: 11px; line-height: 16px; }
.session-builder .mode-icon { display: grid; place-items: center; grid-row: 1 / 3; width: 38px; height: 42px; color: var(--green-text); background: var(--surface-control); border: 1px solid var(--green); border-radius: 3px; }
.session-builder .mode-icon svg { width: 23px; height: 23px; fill: none; stroke: currentColor; stroke-width: 1.7; stroke-linecap: round; stroke-linejoin: round; }
.session-builder .mode-card:has(input:checked) .mode-icon { color: #fff; }
.session-builder .builder-options h2 { margin-bottom: 20px; }
.session-builder .option-section { padding-bottom: 18px; margin-bottom: 10px; }
.session-builder .preset-buttons { gap: 7px; }
.session-builder .preset-buttons button { flex: 1; min-width: 38px; border-radius: 3px; margin: 0; }
.session-builder .filter-details { border: 1px solid var(--line); border-radius: 3px; margin-top: 10px; }
.session-builder .filter-details summary { gap: 12px; padding: 13px 14px; font-size: 13px; align-items: center; }
.session-builder .filter-details summary::after { content: "⌄"; color: var(--green-text); }
.session-builder .filter-details[open] summary::after { content: "⌃"; }
.session-builder .filter-details summary span { margin-left: auto; text-align: right; }
.session-builder .check-grid, .session-builder .year-grid { padding: 0 14px 14px; }
.session-builder .summary-stat { font-size: 13px; padding: 14px 0; }
.session-builder .summary-stat strong { max-width: 65%; overflow-wrap: anywhere; }
.session-builder .builder-summary h2 { font-size: 28px; }
.session-builder .builder-summary .fine-print { text-align: center; margin: 16px 0 0; }
.session-builder .form-error:empty { min-height: 0; margin: 18px 0 0; }
.mobile-session-action { display: none; }
.fixed-mode-info p { color: var(--muted); line-height: 1.7; max-width: 65ch; }
.exam-layout { grid-template-columns: minmax(0, 1fr) 260px; gap: 18px; }
.exam-layout .question-panel { padding: 28px 30px; border: 1px solid var(--line); min-width: 0; }
.question-meta > div { display: flex; align-items: center; flex-wrap: wrap; gap: 10px; }
.question-meta .question-number { margin: 0; font: 500 26px/1.25 Georgia, serif; }
.question-meta .flag-button { flex-shrink: 0; }
.question-reading { margin: 22px 0 26px; }
.question-reading.has-image { display: grid; grid-template-columns: minmax(0, 1fr) minmax(240px, .8fr); gap: 24px; align-items: start; }
.question-reading .topic-line { margin: 0 0 18px; font-size: 12px; }
.question-reading .stem { margin: 0; max-width: 78ch; font: 400 18px/1.65 Inter, "Segoe UI", ui-sans-serif, system-ui, sans-serif; letter-spacing: normal; white-space: pre-line; overflow-wrap: anywhere; }
.question-reading .question-image { width: 100%; margin: 0; padding: 6px; }
.question-reading .question-image img { max-height: 280px; width: 100%; object-fit: contain; }
.question-reading .image-expand { display: flex; margin: 8px auto 0; }
.question-panel .options { gap: 9px; }
.question-panel .option { min-height: 54px; padding: 10px 14px; }
.question-panel .option > span:nth-child(2) { min-width: 0; overflow-wrap: anywhere; }
.question-panel .option.correct .option-key { border-color: var(--success); background: var(--success); color: #fff; }
.question-panel .option.wrong .option-key { border-color: var(--red); background: var(--red); color: #fff; }
.question-panel .explanation { line-height: 1.75; }
.question-panel .question-controls { margin-top: 22px; padding-top: 18px; }
.exam-layout .question-nav { padding: 20px 18px; top: 160px; max-height: calc(100dvh - 180px); }
.question-nav h2 { font-size: 22px; }
.question-map > summary { display: none; cursor: pointer; font-size: 13px; font-weight: 650; }
.question-map .question-grid { margin-top: 18px; gap: 7px; }
.question-grid a { min-height: 36px; font-size: 12px; }
.question-grid a.answered { background: var(--mint); border-color: color-mix(in srgb, var(--green) 35%, var(--line)); color: var(--green-text); }
.question-grid a.current { outline-offset: 0; }
.question-grid a.flagged::after { top: 0; right: 0; width: 0; height: 0; border-top: 9px solid var(--gold); border-left: 9px solid transparent; background: none; }
.nav-legend { gap: 10px; border: 0; padding: 0; }
.nav-legend i.answered { background: var(--mint); border: 1px solid var(--green); }
.nav-legend i.current { background: transparent; border: 2px solid var(--green); }
.nav-legend i.flagged { background: var(--gold); }
@media (max-width: 1200px) {
  .session-builder .mode-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .question-reading.has-image { grid-template-columns: 1fr; }
  .question-reading .question-image { max-width: 520px; margin-inline: auto; }
  .dashboard-home .hero { align-items: start; flex-direction: column; gap: 18px; }
}
@media (max-width: 980px) {
  .dashboard-home .dashboard-grid, .exam-layout { grid-template-columns: minmax(0, 1fr); }
  .resume-session { flex-wrap: wrap; }
  .resume-progress { flex-basis: 35%; }
  .exam-layout .question-nav { position: static; max-height: none; padding: 14px 18px; }
  .exam-layout .question-nav { order: initial; }
  .question-nav > header { display: none; }
  .question-map > summary { display: flex; justify-content: space-between; gap: 12px; }
  .question-map > summary::after { content: "⌄"; color: var(--green-text); }
  .question-map[open] > summary::after { content: "⌃"; }
  .question-map > summary span { margin-left: auto; color: var(--muted); font-weight: 400; }
  .question-map .question-grid { max-height: 270px; overflow-y: auto; padding: 2px; }
  .question-map .question-grid a { aspect-ratio: auto; min-height: 44px; }
}
@media (max-width: 680px) {
  .dashboard-home .panel { padding: 18px; }
  .dashboard-home .metric-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .dashboard-home .metric-card { padding: 16px; min-height: 120px; border-bottom: 1px solid var(--line); }
  .dashboard-home .metric-card strong { font-size: 30px; }
  .dashboard-home .metric-card:nth-child(even) { border-right: 0; }
  .dashboard-home .metric-card:nth-last-child(-n + 2) { border-bottom: 0; }
  .resume-session { gap: 14px; padding: 18px; }
  .resume-icon { display: none; }
  .resume-copy { flex-basis: 100%; }
  .resume-progress { flex-basis: auto; }
  .resume-session .button { margin-left: auto; }
  .dashboard-home .session-row .status-pill { display: inline-flex; font-size: 9px; }
  .weight-details .weight-list { grid-template-columns: 1fr; }
  .session-builder .mode-grid { grid-template-columns: 1fr; }
  .session-builder .mode-card { min-height: 94px; }
  .session-builder .preset-buttons button { flex: 1 0 18%; min-height: 40px; }
  .session-builder .check-grid { grid-template-columns: 1fr; }
  .session-builder .year-grid { grid-template-columns: repeat(3, 1fr); }
  .session-builder { padding-bottom: 86px; }
  .session-builder .builder-summary { display: none; }
  .mobile-session-action {
    position: fixed;
    right: 12px;
    bottom: max(10px, env(safe-area-inset-bottom));
    left: 12px;
    z-index: 30;
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    gap: 10px;
    padding: 9px 10px 9px 14px;
    border: 1px solid color-mix(in srgb, var(--green-action) 28%, var(--line));
    background: color-mix(in srgb, var(--surface-panel) 94%, transparent);
    box-shadow: 0 8px 24px rgba(8, 30, 61, .18);
    backdrop-filter: blur(10px);
  }
  .mobile-session-action > span:first-child { color: var(--muted); font-size: 11px; }
  .mobile-session-action > span:first-child strong { color: var(--ink); font-size: 16px; }
  .mobile-session-action .button { min-height: 40px; padding-inline: 13px; font-size: 12px; }
  .mobile-session-action .form-error { grid-column: 1 / -1; min-height: 0; margin: 0; font-size: 11px; }
  .exam-layout .question-panel { padding: 20px 18px; }
  .question-meta { align-items: start; gap: 8px; }
  .question-meta .question-number { font-size: 24px; }
  .question-reading { margin-top: 18px; }
  .question-reading .stem { font-size: 17px; }
  .question-panel .option { padding: 10px; gap: 10px; }
  .question-panel .option-state { grid-column: 2; }
  .question-panel .explanation { padding: 16px; }
  .question-panel .question-controls {
    position: sticky;
    bottom: 10px;
    z-index: 10;
    margin: 24px -8px 0;
    padding: 10px 8px;
    border: 1px solid var(--line);
    background: color-mix(in srgb, var(--surface-panel) 94%, transparent);
    box-shadow: 0 8px 20px rgba(8, 30, 61, .12);
    backdrop-filter: blur(10px);
  }
  .question-panel .question-controls .button { flex: 1; justify-content: center; }
}

/* Review-focused session results */
.results-page .result-hero {
  position: relative;
  overflow: hidden;
  min-height: 188px;
  margin-bottom: 18px;
  padding: 30px 34px;
  background:
    radial-gradient(circle at 91% 12%, rgba(119, 174, 241, .2), transparent 25%),
    var(--hero-bg);
}
.results-page .result-hero::after {
  content: "";
  position: absolute;
  right: -80px;
  bottom: -120px;
  width: 300px;
  height: 300px;
  border: 1px solid rgba(255, 255, 255, .09);
  border-radius: 50%;
  pointer-events: none;
}
.results-page .result-hero > div:first-child { position: relative; z-index: 1; }
.results-page .result-hero h1 { max-width: 700px; }
.results-page .score-ring {
  z-index: 1;
  flex-basis: 140px;
  width: 140px;
  height: 140px;
  box-shadow: 0 0 0 8px rgba(255, 255, 255, .055);
}
.results-page .result-metrics {
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 0;
  margin: 0;
  border: 1px solid var(--line);
  background: var(--surface-panel);
}
.results-page .result-metrics .metric-card {
  min-height: 116px;
  padding: 19px 21px;
  border-right: 1px solid var(--line);
  box-shadow: none;
}
.results-page .result-metrics .metric-card:last-child { border-right: 0; }
.results-page .result-metrics .metric-card strong { font-size: clamp(25px, 2.2vw, 34px); }
.result-distribution {
  margin: 18px 0;
  padding: 18px 21px 16px;
  border: 1px solid var(--line);
  background: var(--surface-panel);
}
.distribution-head,
.distribution-legend,
.result-actions,
.review-topic,
.review-topic-empty { display: flex; align-items: center; }
.distribution-head { justify-content: space-between; gap: 16px; margin-bottom: 12px; }
.distribution-head span { color: var(--ink); font-size: 13px; font-weight: 750; }
.distribution-head small { color: var(--muted); font-size: 11px; }
.distribution-bar { display: flex; height: 9px; overflow: hidden; border-radius: 1px; background: var(--track); }
.distribution-bar i { display: block; height: 100%; min-width: 0; }
.distribution-bar .correct, .distribution-legend .correct { background: var(--green-action); }
.distribution-bar .incorrect, .distribution-legend .incorrect { background: var(--red); }
.distribution-bar .unanswered, .distribution-legend .unanswered { background: #a6aebc; }
.distribution-bar .unscored, .distribution-legend .unscored { background: var(--gold); }
.distribution-legend { flex-wrap: wrap; gap: 8px 18px; margin-top: 12px; color: var(--muted); font-size: 11px; }
.distribution-legend span { display: inline-flex; align-items: center; gap: 6px; }
.distribution-legend i { width: 7px; height: 7px; border-radius: 50%; }
.results-page .result-actions { justify-content: flex-start; margin: 0 0 20px; }
.results-page .result-actions .button { min-height: 42px; }
.result-breakdown { display: grid; grid-template-columns: minmax(0, 1.35fr) minmax(320px, .85fr); gap: 18px; align-items: start; }
.result-breakdown .panel { min-width: 0; margin: 0; padding: 23px 24px; }
.result-breakdown .panel-head { margin-bottom: 15px; }
.results-page .result-subjects article { grid-template-columns: minmax(180px, 1fr) minmax(100px, .7fr) 42px; gap: 14px; padding: 13px 0; }
.results-page .result-subjects article > div:first-child { min-width: 0; }
.results-page .result-subjects strong { font-size: 13px; }
.results-page .result-subjects small { margin-left: 39px; font-size: 10px; }
.review-topic-list { display: grid; gap: 0; }
.review-topic {
  gap: 12px;
  min-width: 0;
  padding: 13px 0;
  border-bottom: 1px solid var(--line);
  color: inherit;
  text-decoration: none;
}
.review-topic:first-child { padding-top: 1px; }
.review-topic:last-child { border-bottom: 0; }
.review-topic:hover .review-topic-copy strong { color: var(--green-text); }
.topic-icon {
  display: grid;
  flex: 0 0 38px;
  width: 38px;
  height: 38px;
  place-items: center;
  overflow: hidden;
  border: 1px solid color-mix(in srgb, #9bb2cf 32%, var(--line));
  border-radius: 50%;
  background: color-mix(in srgb, #eef4fa 76%, var(--surface-panel));
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, .62), 0 2px 5px rgba(8, 42, 92, .06);
}
.topic-icon img { display: block; width: 33px; height: 33px; object-fit: contain; filter: saturate(.94) contrast(1.02); }
.review-topic-copy { display: grid; min-width: 0; gap: 3px; }
.review-topic-copy small { overflow: hidden; color: var(--muted); font-size: 10px; text-overflow: ellipsis; white-space: nowrap; }
.review-topic-copy strong { overflow: hidden; color: var(--ink); font-size: 12px; text-overflow: ellipsis; white-space: nowrap; }
.review-topic-errors { display: grid; flex: 0 0 auto; justify-items: end; color: var(--red); font-size: 16px; font-weight: 750; line-height: 1; }
.review-topic-errors small { margin-top: 4px; color: var(--muted); font-size: 9px; font-weight: 650; text-transform: uppercase; letter-spacing: .05em; }
.review-topic-empty { gap: 12px; min-height: 130px; color: var(--muted); }
.review-topic-empty p { margin: 0; font-size: 12px; line-height: 1.55; }

@media (max-width: 980px) {
  .results-page .result-metrics { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .results-page .result-metrics .metric-card:nth-child(3n) { border-right: 0; }
  .results-page .result-metrics .metric-card:nth-child(-n + 3) { border-bottom: 1px solid var(--line); }
  .result-breakdown { grid-template-columns: 1fr; }
}

@media (max-width: 680px) {
  .results-page .result-hero { align-items: center; min-height: 0; padding: 25px 21px; text-align: center; }
  .results-page .score-ring { flex-basis: 118px; width: 118px; height: 118px; }
  .results-page .result-metrics { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .results-page .result-metrics .metric-card,
  .results-page .result-metrics .metric-card:nth-child(3n) { min-height: 105px; padding: 16px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); }
  .results-page .result-metrics .metric-card:nth-child(even) { border-right: 0; }
  .results-page .result-metrics .metric-card:nth-last-child(-n + 2) { border-bottom: 0; }
  .results-page .result-metrics .metric-card strong { font-size: 27px; }
  .result-distribution { padding: 16px; }
  .distribution-legend { gap: 8px 12px; }
  .results-page .result-actions .button { flex: 1 1 100%; }
  .result-breakdown .panel { padding: 19px 17px; }
  .results-page .result-subjects article { grid-template-columns: minmax(0, 1fr) 40px; }
  .results-page .result-subjects .result-bar { grid-column: 1 / -1; grid-row: 2; }
}

/* Banco: búsqueda, vistas y lectura de la evidencia */
.audit-active-filters {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px 14px;
  margin: 14px 0 8px;
  padding: 11px 14px;
  border-left: 3px solid var(--green-action);
  background: var(--surface-selected);
}
.audit-active-filters > div { display: flex; align-items: center; flex-wrap: wrap; gap: 7px; }
.filter-chip {
  display: inline-flex;
  align-items: center;
  min-height: 25px;
  padding: 3px 8px;
  border: 1px solid color-mix(in srgb, var(--green-action) 24%, var(--line));
  border-radius: 999px;
  color: var(--green-text);
  background: var(--surface-panel);
  font-size: 10px;
  font-weight: 750;
}
.audit-results-head { align-items: center; }
.audit-view-control { display: grid; justify-items: end; gap: 4px; margin-left: auto; }
.audit-view-toggle {
  display: inline-flex;
  align-items: center;
  gap: 0;
  border: 1px solid var(--line);
  background: var(--surface-panel);
  font-size: 11px;
}
.audit-view-toggle > span { padding: 6px 8px; color: var(--muted); font-weight: 750; }
.audit-view-toggle button {
  min-height: 31px;
  padding: 5px 9px;
  border: 0;
  border-left: 1px solid var(--line);
  color: var(--muted);
  background: transparent;
  cursor: pointer;
  font: inherit;
  font-weight: 750;
}
.audit-view-toggle button:hover { color: var(--green-text); background: var(--blue-soft); }
.audit-view-toggle button.active { color: #fff; background: var(--green-action); }
.audit-view-hint { color: var(--muted); font-size: 10px; }
.audit-list-compact { gap: 0; border: 1px solid var(--line); background: var(--surface-panel); }
.audit-list-compact .audit-card {
  padding: 15px 17px;
  border: 0;
  border-bottom: 1px solid var(--line);
  border-radius: 0;
  box-shadow: none;
  background: transparent;
}
.audit-list-compact .audit-card:last-child { border-bottom: 0; }
.audit-list-compact .audit-card[data-match-kind="question_id"],
.audit-list-compact .audit-card[data-match-kind="mir"] { box-shadow: inset 3px 0 0 var(--green-action); }
.audit-card-body { display: flex; align-items: flex-start; justify-content: space-between; gap: 18px; }
.audit-card-copy { min-width: 0; }
.audit-list-compact .audit-card footer { margin-top: 9px; padding-top: 9px; }
.audit-card-preview {
  display: -webkit-box;
  max-width: 680px;
  margin-bottom: 0 !important;
  overflow: hidden;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
  color: var(--muted);
  font-family: inherit !important;
  font-size: 14px !important;
  line-height: 1.42 !important;
}
.audit-card-thumb {
  display: block;
  flex: 0 0 92px;
  width: 92px;
  height: 64px;
  border: 1px solid var(--line);
  object-fit: cover;
}
[data-audit-results] { position: relative; min-height: 70px; transition: opacity .16s ease; }
[data-audit-results][aria-busy="true"] { opacity: .58; pointer-events: none; }
[data-audit-results][aria-busy="true"]::before {
  content: "Actualizando resultados…";
  position: absolute;
  z-index: 2;
  top: 18px;
  right: 18px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 7px 10px;
  border: 1px solid var(--line);
  color: var(--green-text);
  background: var(--surface-panel);
  box-shadow: var(--shadow);
  font-size: 11px;
  font-weight: 750;
}
[data-audit-results][aria-busy="true"]::after {
  content: "";
  position: absolute;
  z-index: 3;
  top: 26px;
  right: 25px;
  width: 8px;
  height: 8px;
  border: 2px solid color-mix(in srgb, var(--green-action) 26%, transparent);
  border-top-color: var(--green-action);
  border-radius: 50%;
  animation: audit-spin .7s linear infinite;
}
@keyframes audit-spin { to { transform: rotate(360deg); } }
.audit-breadcrumb { display: flex; align-items: center; gap: 8px; margin-bottom: 20px; color: var(--muted); font-size: 12px; }
.audit-breadcrumb .back-link { margin: 0; }
.provenance-secondary summary { color: var(--green-text); font-weight: 750; cursor: pointer; }
.provenance-secondary section { margin-top: 17px; }
.provenance-secondary h2 { margin: 0; font-size: 15px; }

/* Cuenta y acceso */
.auth-intro { margin: 7px 0 0; color: var(--muted); font-size: 14px; line-height: 1.45; }
.auth-form .form-field { display: grid; gap: 5px; }
.auth-form .form-field > label { color: var(--ink); font-size: 11px; font-weight: 800; }
.password-field { position: relative; display: block; }
.password-field input { padding-right: 48px !important; }
.password-toggle {
  position: absolute;
  top: 50%;
  right: 6px;
  display: grid;
  width: 34px;
  height: 34px;
  padding: 0;
  place-items: center;
  transform: translateY(-50%);
  border: 0;
  color: var(--muted);
  background: transparent;
  cursor: pointer;
}
.password-toggle:hover,
.password-toggle[aria-pressed="true"] { color: var(--green-text); background: var(--blue-soft); }
.password-toggle svg { width: 18px; height: 18px; fill: none; stroke: currentColor; stroke-linecap: round; stroke-linejoin: round; stroke-width: 1.7; }
.google-button { display: inline-flex; gap: 10px; }
.google-button img { display: block; width: 18px; height: 18px; flex: 0 0 auto; }
.profile-page { display: grid; grid-template-columns: minmax(0, 1.25fr) minmax(280px, .75fr); gap: 20px; align-items: start; }
.profile-account-panel { border-top: 4px solid var(--green-action); }
.profile-identity { display: flex; align-items: center; gap: 13px; margin: 0 0 22px; padding: 12px 0 18px; border-bottom: 1px solid var(--line); }
.profile-identity-avatar { display: block; flex: 0 0 58px; width: 58px; height: 58px; border: 1px solid var(--line); border-radius: 50%; object-fit: cover; background: var(--surface-subtle); }
.profile-identity strong,
.profile-identity span { display: block; }
.profile-identity strong { font-size: 15px; }
.profile-identity span { margin-top: 2px; color: var(--muted); font-size: 12px; }
.profile-save-row { display: flex; align-items: center; flex-wrap: wrap; gap: 12px; }
.profile-success { margin: 0; color: var(--success); font-size: 12px; font-weight: 750; }
.profile-success::before { content: "✓"; margin-right: 5px; }
.profile-progress { padding: 0; overflow: hidden; box-shadow: none; }
.profile-progress > summary { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 19px 20px; cursor: pointer; list-style: none; }
.profile-progress > summary::-webkit-details-marker { display: none; }
.profile-progress summary strong { display: block; margin-top: 4px; color: var(--ink); font-size: 15px; }
.profile-progress-toggle { color: var(--green-text); font-size: 11px; font-weight: 750; white-space: nowrap; }
.profile-progress-content { padding: 2px 20px 20px; border-top: 1px solid var(--line); }
.profile-progress-content h2 { margin: 18px 0 8px; font: 600 20px/1.2 Georgia, serif; }
.profile-progress-content p { color: var(--muted); font-size: 13px; }
.profile-progress-content .form-error { color: var(--red); }

/* Beta pública y buzón de comentarios */
.beta-shell { display: grid; gap: 16px; }
.beta-hero { display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(290px, .8fr); gap: 30px; align-items: center; padding: clamp(24px, 4vw, 44px); }
.beta-copy h1 { max-width: 650px; margin: 7px 0 13px; font: 700 clamp(35px, 5vw, 59px)/.98 Georgia, serif; letter-spacing: -.045em; }
.beta-copy > p { max-width: 630px; margin: 0; color: var(--muted); font-size: 16px; line-height: 1.65; }
.beta-points { display: grid; gap: 8px; margin: 23px 0 0; padding: 0; list-style: none; color: var(--ink); font-size: 13px; font-weight: 720; }
.beta-points li { display: flex; align-items: center; gap: 9px; }
.beta-points li::before { content: "✓"; display: grid; width: 18px; height: 18px; place-items: center; border-radius: 50%; color: #fff; background: var(--green-action); font-size: 11px; }
.beta-access-panel { padding: 24px; border: 1px solid color-mix(in srgb, var(--green-action) 30%, var(--line)); border-radius: 16px; background: var(--surface-subtle); box-shadow: 0 14px 32px rgba(8, 42, 92, .08); }
.beta-access-panel h2 { margin: 12px 0 7px; }
.beta-access-panel p { margin: 0 0 18px; color: var(--muted); font-size: 13px; line-height: 1.55; }
.beta-capacity { display: inline-flex; padding: 5px 9px; border-radius: 999px; color: var(--green-text); background: var(--mint); font-size: 11px; font-weight: 800; }
.beta-capacity.full { color: var(--red); background: color-mix(in srgb, var(--red) 11%, var(--surface-panel)); }
.beta-existing { margin: 17px 0 0 !important; text-align: center; }
.beta-note { display: flex; gap: 12px; padding: 15px 18px; border-left: 3px solid var(--green-action); color: var(--muted); background: var(--surface-selected); font-size: 12px; line-height: 1.55; }
.beta-note strong { flex: 0 0 auto; color: var(--ink); }
.feedback-layout { display: grid; grid-template-columns: minmax(0, 1fr) minmax(245px, .46fr); gap: 20px; align-items: start; }
.feedback-panel { margin-bottom: 0; }
.feedback-panel textarea { width: 100%; min-height: 150px; resize: vertical; }
.feedback-privacy { margin: -4px 0 0; color: var(--muted); font-size: 11px; line-height: 1.45; }
.feedback-side { margin-bottom: 0; }
.feedback-side h2 { margin: 8px 0 12px; }
.feedback-side ul { display: grid; gap: 10px; margin: 0; padding-left: 19px; color: var(--muted); font-size: 13px; line-height: 1.45; }
.feedback-filters { display: flex; flex-wrap: wrap; gap: 7px; margin: 0 0 18px; }
.feedback-filters a { padding: 7px 11px; border: 1px solid var(--line); color: var(--muted); background: var(--surface-panel); font-size: 11px; font-weight: 780; text-decoration: none; }
.feedback-filters a:hover { color: var(--green-text); background: var(--blue-soft); }
.feedback-filters a[aria-current="page"] { border-color: var(--green-action); color: #fff; background: var(--green-action); }
.feedback-inbox { display: grid; gap: 12px; }
.feedback-message { margin-bottom: 0; }
.feedback-message > header { display: flex; justify-content: space-between; gap: 16px; padding-bottom: 13px; border-bottom: 1px solid var(--line); }
.feedback-message > header > div { display: grid; gap: 4px; min-width: 0; }
.feedback-message > header strong { font-size: 13px; }
.feedback-message > header small { overflow: hidden; color: var(--muted); font-size: 10px; text-overflow: ellipsis; white-space: nowrap; }
.feedback-message > p { margin: 15px 0 0; white-space: pre-wrap; font-size: 13px; line-height: 1.6; }
.feedback-category { width: fit-content; padding: 3px 7px; border-radius: 999px; color: var(--ink); background: var(--blue-soft); font-size: 10px; font-weight: 820; text-transform: uppercase; letter-spacing: .04em; }
.feedback-category.bug { color: var(--red); background: color-mix(in srgb, var(--red) 10%, var(--surface-panel)); }
.feedback-category.idea { color: var(--green-text); background: var(--mint); }
.feedback-status-form { display: flex; align-items: center; gap: 7px; flex: 0 0 auto; }
.feedback-status-form select { min-width: 104px; padding: 7px 8px; font-size: 11px; }
.visually-hidden { position: absolute; width: 1px; height: 1px; padding: 0; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0; }

@media (max-width: 760px) {
  .beta-hero, .feedback-layout { grid-template-columns: 1fr; }
  .beta-hero { gap: 22px; }
  .beta-copy h1 { font-size: 38px; }
  .feedback-message > header { flex-direction: column; }
  .feedback-status-form { justify-content: space-between; }
  .feedback-status-form .button { flex: 1; }
  .beta-note { align-items: flex-start; flex-direction: column; gap: 4px; }
}

@media (max-width: 980px) {
  .profile-page { grid-template-columns: 1fr; }
}
@media (max-width: 680px) {
  .audit-results-head { align-items: flex-start; flex-wrap: wrap; }
  .audit-view-control { justify-items: start; margin-left: 0; }
  .audit-card-body { gap: 12px; }
  .audit-card-thumb { flex-basis: 68px; width: 68px; height: 58px; }
  .audit-card-preview { font-size: 15px !important; }
  .audit-breadcrumb { margin-bottom: 15px; }
  .profile-save-row .button { width: 100%; }
}

/* Navigation and surface hierarchy. */
.ui-icon { flex: 0 0 20px; width: 20px; height: 20px; }
.topbar { position: sticky; top: 0; z-index: 70; }
.main-nav > a { position: relative; transition: color .16s ease, background-color .16s ease; }
.main-nav > a > .ui-icon { display: none; }
.main-nav > a[aria-current="page"] { background: rgba(255,255,255,.08); }
.main-nav > a[aria-current="page"]::after { position: absolute; right: 13px; bottom: 2px; left: 13px; height: 2px; border-radius: 2px; background: #b9d7ff; content: ""; }
.main-nav .mobile-nav-only, .mobile-nav-divider, .mobile-nav-logout, .mobile-nav-header, .nav-scrim { display: none; }
.theme-toggle { border-radius: 8px; min-height: 40px; }
.theme-icon, .theme-icon > span:not([hidden]) { display: inline-flex; align-items: center; }
.theme-icon .ui-icon { width: 17px; height: 17px; flex-basis: 17px; }
.account-menu-wrap { position: relative; order: 3; padding-left: 12px; border-left: 1px solid rgba(255,255,255,.18); }
.account-toggle { display: flex; min-height: 42px; align-items: center; gap: 10px; padding: 5px 10px 5px 5px; border: 1px solid transparent; border-radius: 9px; color: #fff; background: transparent; cursor: pointer; font: inherit; transition: background-color .16s ease, border-color .16s ease; }
.account-toggle:hover, .account-toggle[aria-expanded="true"] { border-color: rgba(255,255,255,.24); background: rgba(255,255,255,.08); }
.account-toggle:focus-visible, .nav-toggle:focus-visible { outline: 2px solid #b9d7ff; outline-offset: 3px; }
.account-toggle .user-avatar { flex: 0 0 30px; width: 30px; height: 30px; border: 1px solid rgba(255,255,255,.32); border-radius: 50%; object-fit: cover; }
.account-name { max-width: 130px; overflow: hidden; font-size: 13px; font-weight: 600; text-overflow: ellipsis; white-space: nowrap; }
.account-chevron { display: block; flex: 0 0 16px; width: 16px; height: 16px; color: #d2ddec; transition: transform .18s ease; }
.account-toggle[aria-expanded="true"] .account-chevron { transform: rotate(180deg); }
.account-menu { position: absolute; top: calc(100% + 10px); right: 0; width: 264px; padding: 6px; border: 1px solid var(--line); border-radius: 12px; color: var(--ink); background: var(--surface-solid); box-shadow: 0 12px 32px rgba(3,18,39,.18); animation: account-appear .18s ease both; }
.account-menu[hidden] { display: none; }
.account-menu-identity { display: flex; align-items: center; gap: 12px; padding: 12px 12px 16px; border-bottom: 1px solid var(--line); overflow-wrap: anywhere; }
.identity-avatar { width: 44px; height: 44px; flex: 0 0 44px; border: 1px solid var(--line); border-radius: 50%; object-fit: cover; background: var(--blue-soft); }
.account-menu-identity > div, .mobile-nav-identity > div { display: grid; gap: 4px; min-width: 0; }
.mobile-nav-identity, .mobile-nav-theme { display: none; }
.account-menu-identity strong { font-size: 14px; font-weight: 650; }
.account-menu-identity span { color: var(--muted); font-size: 12px; }
.account-menu-links { display: grid; gap: 3px; padding: 7px 0; }
.account-menu a, .account-menu button { display: flex; width: 100%; min-height: 44px; align-items: center; gap: 12px; padding: 10px 12px; border: 0; border-radius: 7px; color: var(--ink); background: transparent; cursor: pointer; font: inherit; font-size: 13px; text-align: left; text-decoration: none; transition: background-color .15s ease; }
.account-menu .ui-icon { color: var(--muted); }
.account-menu a:hover, .account-menu button:hover { background: var(--surface-subtle); }
.account-menu a[aria-current="page"] { color: var(--green-text); background: var(--blue-soft); font-weight: 650; }
.account-menu a[aria-current="page"] .ui-icon { color: inherit; }
.account-menu-footer { padding-top: 6px; border-top: 1px solid var(--line); }
@keyframes account-appear { from { opacity: 0; transform: translateY(-6px); } to { opacity: 1; transform: translateY(0); } }
.nav-toggle { display: none; width: 42px; height: 42px; padding: 10px; border-radius: 8px; cursor: pointer; }

/* Context labels sit outside navigation controls. */
.admin-navigation { margin-bottom: 28px; }
.admin-context { display: flex; align-items: center; gap: 8px; margin: 0 0 13px; color: var(--muted); font-size: 12px; font-weight: 500; }
.admin-context .ui-icon { width: 17px; height: 17px; flex-basis: 17px; }
.admin-subnav { gap: 8px; margin: 0; padding: 0 0 12px; border: 0; border-bottom: 1px solid var(--line); background: transparent; }
.admin-subnav a { display: inline-flex; min-height: 42px; align-items: center; padding: 10px 16px; border: 1px solid var(--line); border-radius: 8px; color: var(--ink); background: var(--surface-control); font-size: 13px; font-weight: 600; transition: border-color .15s ease, background-color .15s ease; }
.admin-subnav a:hover { border-color: var(--green-text); }
.admin-subnav a[aria-current="page"] { border-color: var(--green-action); color: #fff; background: var(--green-action); }
.feedback-filter-bar { display: flex; flex-wrap: wrap; align-items: center; gap: 12px 20px; margin-bottom: 12px; }
.feedback-filter-label { color: var(--muted); font-size: 12px; }
.feedback-filters { gap: 6px; margin: 0; }
.feedback-filters a { display: inline-flex; min-height: 36px; align-items: center; padding: 7px 13px; border: 1px solid var(--line); border-radius: 7px; font-size: 12px; font-weight: 600; color: var(--ink); }
.feedback-filters a[aria-current="page"] { color: var(--green-text); border-color: var(--green-text); background: var(--blue-soft); box-shadow: inset 0 -2px 0 var(--green-text); }
.feedback-status-help { margin: 0 0 24px; max-width: 85ch; color: var(--muted); font-size: 12px; line-height: 1.7; }
.feedback-message > header > div { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; }
.feedback-message > header > div > strong, .feedback-message > header > div > small { flex-basis: 100%; }
.feedback-state { width: fit-content; display: inline-flex; align-items: center; gap: 6px; color: var(--green-text); font-size: 12px; font-weight: 650; }
.feedback-state::before { width: 6px; height: 6px; border-radius: 50%; background: currentColor; content: ""; }
.feedback-state[data-feedback-state="reviewed"] { color: var(--gold-ink); }
.feedback-state[data-feedback-state="resolved"] { color: var(--success); }
.feedback-status-form { display: grid; grid-template-columns: minmax(150px, 1fr) auto; gap: 6px 8px; align-items: end; }
.feedback-status-form label > span { display: block; margin-bottom: 6px; color: var(--muted); font-size: 11px; font-weight: 600; }
.feedback-status-form select { width: 100%; height: 38px; border-radius: 7px; border: 1px solid var(--line); color: var(--ink); background: var(--surface-control); }
.feedback-status-form .button { min-height: 38px; border-radius: 7px; }
.feedback-status-form .button:disabled { opacity: 1; border-color: var(--line); color: var(--muted); background: var(--surface-subtle); box-shadow: none; cursor: default; }
.feedback-save-status { grid-column: 1 / -1; min-height: 18px; font-size: 11px; color: var(--muted); }
.feedback-save-status[data-state="error"] { color: var(--red); }
.feedback-save-status[data-state="saved"] { color: var(--success); }

/* Restrained depth: stable reading surfaces, clear selectable cards. */
.dashboard-home .panel, .session-builder .panel, .feedback-message { border-radius: 10px; }
.dashboard-home .metric-grid { border: 0; gap: 12px; }
.dashboard-home .metric-card { border: 1px solid var(--line); border-radius: 10px; }
.resume-session { border-radius: 10px; }
.session-builder .mode-grid { gap: 12px; border: 0; }
.session-builder .mode-card { border: 1px solid var(--line); border-radius: 9px; background: var(--surface-control); box-shadow: none; transition: border-color .15s ease, background-color .15s ease; }
.session-builder .mode-card:hover { border-color: var(--green-text); background: var(--blue-soft); transform: none; box-shadow: none; }
.session-builder .mode-card:has(input:checked) { border-color: var(--green-action); background: var(--surface-selected); box-shadow: inset 0 0 0 1px var(--green-action); }
.session-builder .mode-icon { border-radius: 7px; border: 1px solid var(--line); background: var(--blue-soft); }
.session-builder .mode-card:has(input:checked) .mode-icon { background: var(--green-action); border-color: var(--green-action); color: #fff; }
.session-builder .builder-summary { border: 1px solid var(--line); border-top: 3px solid var(--green-action); border-radius: 10px; box-shadow: 0 6px 20px rgba(8,42,92,.05); }
.audit-card:hover, .session-row:hover { transform: none; box-shadow: none; }

/* Complete the approved dashboard, builder and mobile concepts. */
.dashboard-home .metric-card { display: grid; grid-template-columns: 44px minmax(0, 1fr); column-gap: 14px; align-content: center; padding: 22px 18px; }
.dashboard-home .metric-card > :not(.metric-icon) { grid-column: 2; }
.dashboard-home .metric-card > span:not(.metric-icon) { font-family: inherit; font-size: 13px; font-weight: 500; text-transform: none; letter-spacing: normal; color: var(--ink); }
.dashboard-home .metric-icon, .session-row-icon { display: grid; place-items: center; width: 44px; height: 48px; border: 1px solid color-mix(in srgb, var(--green-text) 18%, var(--line)); border-radius: 8px; color: var(--green-text); background: var(--blue-soft); }
.dashboard-home .metric-card > .metric-icon { grid-column: 1; grid-row: 1 / 4; }
.metric-icon .ui-icon { width: 27px; height: 27px; }
.dashboard-home .metric-card strong { line-height: 1.2; margin-block: 5px; }
.dashboard-home .status-pill { border-radius: 20px; padding: 5px 10px; }
.dashboard-home .panel-head { border-bottom: 0; padding-bottom: 0; }
.dashboard-home .session-row { grid-template-columns: 38px minmax(0, 1fr) auto auto; }
.session-row-icon { width: 34px; height: 40px; }
.resume-icon { border-radius: 9px; width: 60px; height: 60px; flex-basis: 60px; color: #fff; background: var(--green-action); }
.resume-icon .ui-icon { width: 30px; height: 30px; fill: currentColor; }
.dashboard-home .panel, .dashboard-home .metric-card, .session-builder > .builder-main > .panel, .audit-card { box-shadow: 0 3px 14px rgba(8,42,92,.035); }
.session-builder .summary-count { display: flex; flex-direction: column; align-items: flex-start; gap: 0; padding: 20px 0 24px; }
.session-builder .summary-count strong { max-width: 100%; font: 600 56px/1.1 Georgia, serif; color: var(--green-text); }
.session-builder .summary-count span { color: var(--muted); font-size: 14px; }
.session-builder .mode-card { min-height: 136px; gap: 5px 14px; grid-template-columns: 44px minmax(0, 1fr); padding: 20px 16px; }
.session-builder .mode-icon { width: 44px; height: 48px; }
.session-builder .filter-details { border-radius: 8px; }
.session-builder .filter-details summary::after { content: none; }
.filter-chevron { width: 16px; height: 16px; flex: 0 0 16px; color: var(--muted); transition: transform .18s ease; }
.filter-details[open] .filter-chevron { transform: rotate(180deg); }
.session-builder .filter-details summary > .ui-icon { color: var(--muted); }
.audit-card { border-radius: 10px; }
.audit-card .subject-code { display: inline-grid; min-width: 42px; min-height: 42px; place-items: center; border-radius: 7px; color: var(--green-text); background: var(--blue-soft); }
html[data-theme="dark"] .account-menu { box-shadow: 0 16px 40px #0008; }
html[data-theme="dark"] .feedback-message { box-shadow: 0 1px 0 #ffffff06; }
html[data-theme="dark"] .question-panel .option.correct .option-key { color: #102017; }
html[data-theme="dark"] .question-panel .option.wrong .option-key { color: #2b1410; }
@media (min-width: 681px) and (max-width: 1050px) {
  .dashboard-home .metric-card { grid-template-columns: 1fr; }
  .dashboard-home .metric-card > :not(.metric-icon) { grid-column: 1; }
  .dashboard-home .metric-card > .metric-icon { grid-row: auto; margin-bottom: 10px; }
}

@media (max-width: 680px) {
  .topbar-actions { gap: 6px; }
  .theme-toggle { margin-left: auto; }
  .account-menu-wrap { display: none; }
  .nav-toggle { display: inline-flex; align-items: center; justify-content: center; }
  body.nav-open { overflow: hidden; }
  .nav-scrim { display: block; position: fixed; inset: 0; z-index: 65; background: rgba(3,12,26,.52); opacity: 0; visibility: hidden; transition: opacity .22s ease, visibility .22s; }
  body.nav-open .nav-scrim { opacity: 1; visibility: visible; }
  .main-nav { position: fixed; inset: 0 0 0 auto; display: flex; flex-direction: column; align-items: stretch; width: min(88vw, 350px); height: 100dvh; overflow-y: auto; gap: 4px; padding: 20px 16px max(20px, env(safe-area-inset-bottom)); border: 0; border-left: 1px solid var(--line); border-radius: 0; background: var(--surface-solid); box-shadow: -16px 0 34px rgba(5,31,69,.16); visibility: hidden; transform: translateX(100%); transition: transform .22s ease, visibility .22s; }
  .main-nav.open { display: flex; visibility: visible; transform: translateX(0); transition: transform .22s ease; }
  .mobile-nav-header { display: flex; align-items: center; justify-content: space-between; margin: 0 0 18px; color: var(--muted); font-size: 12px; font-weight: 600; }
  .mobile-nav-header button { display: grid; width: 40px; height: 40px; padding: 10px; place-items: center; border: 0; border-radius: 8px; color: var(--ink); background: var(--surface-subtle); cursor: pointer; }
  .mobile-nav-identity { display: flex; align-items: center; gap: 12px; padding: 0 10px 24px; margin-bottom: 8px; color: var(--ink); overflow-wrap: anywhere; }
  .mobile-nav-identity strong { font-size: 15px; }
  .mobile-nav-identity span { font-size: 12px; color: var(--muted); }
  .mobile-nav-theme { display: block; margin: 14px 4px; border-block: 1px solid var(--line); padding-block: 12px; }
  .mobile-nav-theme button { display: flex; align-items: center; width: 100%; min-height: 48px; gap: 12px; padding: 12px 8px; border: 0; border-radius: 8px; color: var(--ink); background: transparent; text-align: left; cursor: pointer; }
  .mobile-nav-theme button:hover { background: var(--surface-subtle); }
  .theme-switch { display: inline-flex; align-items: center; width: 38px; height: 22px; margin-left: auto; padding: 3px; border: 1px solid var(--muted); border-radius: 20px; background: var(--track); }
  .theme-switch::before { content: ''; width: 14px; height: 14px; border-radius: 50%; background: var(--muted); transition: transform .18s ease; }
  [aria-pressed="true"] .theme-switch { background: var(--green-action); border-color: var(--green-text); }
  [aria-pressed="true"] .theme-switch::before { transform: translateX(16px); background: #fff; }
  .main-nav > a { min-height: 48px; gap: 12px; padding: 12px; border-radius: 8px; color: var(--ink); }
  .main-nav > a > .ui-icon { display: block; color: var(--muted); }
  .main-nav > a[aria-current="page"] { color: var(--green-text); background: var(--blue-soft); }
  .main-nav > a[aria-current="page"] .ui-icon { color: inherit; }
  .main-nav > a[aria-current="page"]::after { top: 10px; right: auto; bottom: 10px; left: 0; width: 3px; height: auto; border-radius: 0 3px 3px 0; background: var(--green-text); }
  .mobile-nav-divider { display: block; height: 1px; flex-shrink: 0; margin: 12px 4px; background: var(--line); }
  .main-nav .mobile-nav-only { display: flex; }
  .mobile-nav-logout { display: flex; min-height: 48px; align-items: center; gap: 12px; margin-top: auto; padding: 13px 12px; border: 0; border-top: 1px solid var(--line); color: var(--ink); background: transparent; cursor: pointer; font: inherit; font-size: 13px; text-align: left; }
  .admin-subnav { gap: 6px; }
  .admin-subnav a { justify-content: center; padding: 9px 10px; font-size: 12px; }
  .feedback-status-form { width: 100%; }
  .dashboard-home .metric-card { grid-template-columns: 1fr; padding: 16px; }
  .dashboard-home .metric-card > :not(.metric-icon) { grid-column: 1; }
  .dashboard-home .metric-card > .metric-icon { grid-row: auto; margin-bottom: 10px; width: 36px; height: 38px; }
  .dashboard-home .metric-card:nth-child(n) { border: 1px solid var(--line); }
  .dashboard-home .session-row { grid-template-columns: minmax(0, 1fr) auto auto; }
  .session-row-icon { display: none; }
  .session-builder .mode-card { min-height: 100px; }
  .audit-heading { align-items: flex-start; gap: 14px; }
  .audit-heading .corpus-badge { display: flex; align-items: baseline; gap: 5px; min-width: 0; padding: 0; border: 0; background: transparent; color: var(--muted); }
  .audit-heading .corpus-badge strong { display: inline; font: inherit; color: inherit; }
  .audit-filters.panel { border: 1px solid var(--line); border-radius: 10px; padding: 14px; }
  .audit-primary-search input, .audit-search-actions .button { border-radius: 7px; }
  .audit-card .status-pill, .audit-card .image-chip { border-radius: 16px; }
  .audit-list-compact { display: grid; gap: 12px; border: 0; background: transparent; }
  .audit-list-compact .audit-card, .audit-list-compact .audit-card:last-child { padding: 16px; border: 1px solid var(--line); border-radius: 10px; background: var(--surface-panel); }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; transition-duration: .01ms !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; }
}