:root {
  color-scheme: light;
  --canvas: #f5f6f7;
  --surface: #ffffff;
  --surface-2: #f8f9fa;
  --ink: #1f2329;
  --ink-soft: #646a73;
  --line: #dee0e3;
  --line-strong: #bbbfc4;
  --primary: #3370ff;
  --primary-hover: #245bdb;
  --primary-soft: #e8f0ff;
  --primary-ink: #1456f0;
  --success: #34c724;
  --success-soft: #e4f8e1;
  --success-ink: #237b18;
  --warning: #ff8800;
  --warning-soft: #fff3e0;
  --warning-ink: #c25e00;
  --danger: #f54a45;
  --danger-soft: #ffecec;
  --danger-ink: #c02a26;
  --shadow: 0 1px 2px rgb(31 35 41 / 6%), 0 8px 24px rgb(31 35 41 / 6%);
  --radius: 8px;
  --radius-lg: 12px;
  --font-ui: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
}

* { box-sizing: border-box; }
html, body { margin: 0; min-height: 100%; }
button, input, select { font: inherit; }
button { cursor: pointer; }
button:disabled { cursor: not-allowed; opacity: 0.5; }

.quiz-body {
  min-height: 100dvh;
  background: var(--canvas);
  color: var(--ink);
  font-family: var(--font-ui);
  color-scheme: light;
}

.shell {
  position: relative;
  z-index: 1;
  max-width: 1080px;
  margin: 0 auto;
  padding: 32px 16px 48px;
}

.hud-stage {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  overflow: visible;
}

.hud-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 12px 20px;
  border-bottom: 1px solid var(--line);
  background: var(--surface);
  font-size: 13px;
  color: var(--ink-soft);
}

.hud-mark {
  font-weight: 600;
  color: var(--primary);
}

.hud-title {
  font-weight: 600;
  color: var(--ink);
}

.hud-right {
  text-align: right;
  color: var(--ink-soft);
  font-variant-numeric: tabular-nums;
}

.card {
  padding: 28px 28px 32px;
}

.eyebrow {
  margin: 0 0 6px;
  color: var(--primary);
  font-size: 13px;
  font-weight: 600;
}

h1, h2 { margin: 0 0 10px; line-height: 1.3; color: var(--ink); }
p { margin: 0 0 12px; color: var(--ink-soft); line-height: 1.7; }
.home-card h1, .card h1 { font-size: 28px; font-weight: 700; letter-spacing: 0; }

.home-meme { margin: 8px 0 20px; }
.home-meme img {
  display: block;
  width: min(100%, 280px);
  height: auto;
  margin: 0 auto;
  background: transparent;
}

.home-copy {
  display: grid;
  gap: 8px;
  margin: 0 0 20px;
  padding: 16px 0 0;
  border-top: 1px solid var(--line);
}
.home-copy p { margin: 0; }
.lead {
  font-size: 16px;
  font-weight: 600;
  color: var(--ink);
}
.lead-sub {
  font-size: 14px;
  color: var(--ink-soft);
  font-weight: 400;
}
.home-meta {
  margin-top: 4px;
  color: var(--ink-soft);
  font-size: 14px;
}

.consent-box {
  margin: 8px 0 16px;
  padding: 16px 16px 12px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface-2);
}
.consent-box h2 {
  margin: 0 0 8px;
  font-size: 15px;
  color: var(--ink);
}
.consent-box p {
  margin: 0 0 8px;
  font-size: 14px;
}
.consent-check {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  margin: 12px 0 4px;
  font-size: 14px;
  font-weight: 600;
  color: var(--ink);
  line-height: 1.45;
}
.consent-check input[type="checkbox"] {
  width: 16px;
  height: 16px;
  margin-top: 3px;
  flex: 0 0 auto;
  accent-color: var(--primary);
}

.form { display: grid; gap: 12px; margin-top: 18px; }
label { display: grid; gap: 6px; font-size: 13px; font-weight: 600; color: var(--ink); }
input, select {
  height: 40px;
  padding: 0 12px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--surface);
  color: var(--ink);
}
select {
  appearance: none;
  background-image: linear-gradient(45deg, transparent 50%, var(--ink-soft) 50%), linear-gradient(135deg, var(--ink-soft) 50%, transparent 50%);
  background-position: calc(100% - 16px) 50%, calc(100% - 11px) 50%;
  background-size: 5px 5px, 5px 5px;
  background-repeat: no-repeat;
  padding-right: 32px;
}
input:hover, select:hover { border-color: var(--line-strong); }
input:focus, select:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgb(51 112 255 / 16%);
}

.actions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 8px; }
.button {
  min-height: 40px;
  padding: 0 18px;
  border: 1px solid transparent;
  border-radius: 6px;
  font-weight: 600;
  letter-spacing: 0;
  transition: background 160ms ease, border-color 160ms ease, box-shadow 160ms ease, color 160ms ease;
}
.button-primary {
  background: var(--primary);
  color: #fff;
}
.button-primary:hover:not(:disabled) { background: var(--primary-hover); }
.button-primary:active:not(:disabled) { background: #1c4ed8; }
.button-ghost {
  background: var(--surface);
  border-color: var(--line);
  color: var(--ink);
}
.button-ghost:hover:not(:disabled) {
  background: var(--surface-2);
  border-color: var(--line-strong);
}
.button-danger {
  background: var(--danger);
  color: #fff;
}
.button-danger:hover:not(:disabled) { background: var(--danger-ink); }
.button:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
}

.note { font-size: 13px; }
.error { color: var(--danger-ink); font-weight: 600; }

.progress {
  display: flex;
  justify-content: flex-end;
  align-items: baseline;
  margin-bottom: 8px;
  font-variant-numeric: tabular-nums;
}
.progress strong { font-size: 14px; color: var(--ink-soft); font-weight: 600; }

.meter {
  height: 6px;
  margin: 0 0 18px;
  background: #e8eaed;
  border: 0;
  border-radius: 999px;
  overflow: hidden;
}
.meter i {
  display: block;
  height: 100%;
  width: 0;
  background: var(--primary);
  border-radius: inherit;
  transition: width 200ms ease;
}

.pair {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 16px;
  align-items: flex-start;
}
.face {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  width: 240px;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  overflow: visible;
  color: var(--ink);
  flex: 0 0 auto;
  transition: border-color 160ms ease, box-shadow 160ms ease, background 160ms ease;
}
.face:hover:not(:disabled),
.face:focus-visible {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgb(51 112 255 / 16%);
}
.face:active:not(:disabled) { background: var(--primary-soft); }
.triplet-image-wrap {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 220px;
  height: 220px;
  background: var(--canvas);
  overflow: hidden;
}
.face img,
.triplet-image-wrap img {
  width: 220px;
  height: 220px;
  max-width: 220px;
  max-height: 220px;
  object-fit: contain;
  object-position: center;
  background: var(--canvas);
  display: block;
  border-radius: 0;
}
.face span { font-weight: 600; font-size: 13px; color: var(--ink-soft); }

.phase-intro {
  margin: 4px 0 14px;
  padding: 10px 12px;
  border-left: 3px solid var(--primary);
  border-radius: 0 6px 6px 0;
  background: var(--primary-soft);
  color: var(--primary-ink);
  font-size: 14px;
}

.task-instruction { margin: 6px 0 16px; }
.task-instruction p { margin: 0; color: var(--ink-soft); }
.task-instruction strong { color: var(--ink); }

.single-layout {
  display: grid;
  grid-template-columns: 320px minmax(240px, 340px);
  align-items: center;
  justify-content: center;
  gap: 32px;
  width: 100%;
}
.single-image { display: flex; justify-content: center; }
.face-image-wrapper {
  width: 320px;
  max-width: 100%;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--canvas);
  overflow: visible;
}
.face-image-wrapper img {
  width: 100%;
  height: auto;
  object-fit: contain;
  object-position: center;
  display: block;
}

.single-scale { width: 100%; }
.scale-buttons {
  display: flex;
  flex-direction: column;
  gap: 8px;
  width: 100%;
}
.scale-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  min-height: 48px;
  padding: 10px 16px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--surface);
  color: var(--ink);
  font-weight: 600;
  transition: border-color 150ms ease, background 150ms ease, box-shadow 150ms ease;
}
.scale-btn-label { font-size: 16px; }
.scale-btn:hover:not(:disabled),
.scale-btn:focus-visible {
  border-color: var(--primary);
  background: var(--primary-soft);
  box-shadow: 0 0 0 3px rgb(51 112 255 / 12%);
}
.scale-btn:active:not(:disabled) { background: #d6e4ff; }
.scale-btn:disabled { opacity: .5; }

.score {
  font-size: 56px;
  line-height: 1;
  margin: 8px 0 6px;
  color: var(--ink);
  font-weight: 700;
  font-variant-numeric: tabular-nums;
}
.score small { font-size: 18px; color: var(--ink-soft); font-weight: 500; }
.result-box {
  margin: 16px 0;
  padding: 12px 14px;
  background: var(--primary-soft);
  color: var(--primary-ink);
  border-radius: 6px;
}

@media (max-width: 720px) {
  .card { padding: 20px 16px 24px; }
  .pair { gap: 12px; }
  .face { width: min(240px, 100%); }
  .triplet-image-wrap,
  .face img,
  .triplet-image-wrap img {
    width: min(220px, calc(100vw - 80px));
    height: min(220px, calc(100vw - 80px));
    max-width: min(220px, calc(100vw - 80px));
    max-height: min(220px, calc(100vw - 80px));
  }
  .single-layout { grid-template-columns: 1fr; gap: 18px; }
  .single-image { width: 100%; }
  .face-image-wrapper { width: min(320px, 82vw); }
  .score { font-size: 42px; }
  .home-card h1, .card h1 { font-size: 24px; }
  .hud-bar { gap: 8px; }
  .shell { padding: 16px 12px 32px; }
}

@media (prefers-reduced-motion: reduce) {
  .button, .face, .meter i, .scale-btn { transition: none; }
}

.admin-body {
  color-scheme: light;
  --canvas: #f5f6f7;
  --surface: #ffffff;
  --ink: #1f2329;
  --ink-soft: #646a73;
  --line: #dee0e3;
  --accent: #3370ff;
  --accent-dark: #245bdb;
  --teal: #34c724;
  --teal-soft: #e4f8e1;
  min-width: 960px;
  min-height: 100%;
  background: var(--canvas);
  color: var(--ink);
  font-family: var(--font-ui);
}

.admin-shell { min-height: 100vh; display: grid; grid-template-rows: auto auto 1fr; }
.admin-header {
  display: flex;
  gap: 20px;
  justify-content: space-between;
  align-items: center;
  padding: 16px 20px;
  background: var(--surface);
  color: var(--ink);
  border-bottom: 1px solid var(--line);
}
.admin-header h1 { margin: 0; font-size: 18px; color: var(--ink); }
.admin-header .eyebrow {
  color: var(--primary);
  letter-spacing: 0;
  text-transform: none;
  font-family: var(--font-ui);
}
.admin-metrics { display: flex; gap: 8px; flex-wrap: wrap; }
.admin-metric {
  min-width: 72px;
  padding: 6px 12px;
  border-left: 1px solid var(--line);
}
.admin-metric strong { display: block; font-size: 18px; color: var(--ink); }
.admin-metric span { color: var(--ink-soft); font-size: 12px; }
.admin-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: end;
  padding: 12px 20px;
  background: var(--surface);
  border-bottom: 1px solid var(--line);
}
.quota-row {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
  padding: 12px 20px 8px;
  background: var(--canvas);
  border-bottom: 1px solid var(--line);
}
.quota-card {
  display: grid;
  gap: 2px;
  padding: 12px 14px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}
.quota-card strong { font-size: 12px; color: var(--ink-soft); }
.quota-card span { font-size: 18px; font-weight: 700; }
.quota-card em { font-style: normal; color: var(--ink-soft); font-size: 12px; }
.quota-card.is-full { border-color: #b7eb8f; background: var(--success-soft); }
.quota-note { grid-column: 1 / -1; margin: 2px 0 8px; color: var(--ink-soft); font-size: 12px; }
.admin-filters label { min-width: 140px; color: var(--ink); }
.admin-filters .grow { flex: 1; min-width: 220px; }
.admin-filters input, .admin-filters select {
  height: 36px;
  padding: 0 10px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: #fff;
  color: var(--ink);
}
.admin-body .button {
  border-radius: 6px;
  min-height: 36px;
  letter-spacing: 0;
}
.admin-body .button-primary { background: var(--primary); color: #fff; box-shadow: none; }
.admin-body .button-primary:hover:not(:disabled) { background: var(--primary-hover); }
.admin-body .button-ghost { background: var(--surface); border-color: var(--line); color: var(--ink); }
.admin-main { display: grid; grid-template-columns: 1fr; min-height: 0; }
.admin-main.has-drawer { grid-template-columns: minmax(0, 1.15fr) minmax(420px, .95fr); }
.table-wrap { overflow: auto; background: var(--surface); }
.sheet { width: 100%; border-collapse: collapse; font-size: 13px; }
.sheet th {
  position: sticky;
  top: 0;
  background: var(--surface-2);
  text-align: left;
  padding: 10px 12px;
  border-bottom: 1px solid var(--line);
  color: var(--ink-soft);
  font-weight: 600;
}
.sheet td { padding: 10px 12px; border-bottom: 1px solid var(--line); }
.sheet tbody tr.data-row { cursor: pointer; }
.sheet tbody tr.data-row:hover { background: #f2f3f5; }
.sheet tbody tr.data-row.is-selected { background: var(--primary-soft); }
.mono { font-family: Consolas, "Courier New", monospace; font-size: 12px; }
.table-count { margin: 10px 20px; color: var(--ink-soft); font-size: 13px; }
.status-label, .score-tag {
  display: inline-flex;
  padding: 1px 8px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 600;
}
.status-label.is-run { background: var(--primary-soft); color: var(--primary-ink); }
.status-label.is-wait { background: var(--warning-soft); color: var(--warning-ink); }
.status-label.is-done { background: var(--success-soft); color: var(--success-ink); }
.status-label.is-bad { background: var(--danger-soft); color: var(--danger-ink); }
.quota-card small { color: var(--ink-soft); font-size: 12px; }
.score-tag.is-high { background: var(--success-soft); color: var(--success-ink); }
.score-tag.is-mid { background: var(--warning-soft); color: var(--warning-ink); }
.score-tag.is-low { background: var(--danger-soft); color: var(--danger-ink); }
.drawer {
  background: var(--surface);
  border-left: 1px solid var(--line);
  padding: 16px 20px;
  overflow: auto;
}
.drawer-head { display: flex; justify-content: space-between; gap: 12px; align-items: flex-start; }
.drawer h2, .drawer h3 { margin: 0 0 10px; color: var(--ink); }
.delete-box {
  margin: 0 0 18px;
  padding: 12px 14px;
  border: 1px solid var(--danger-soft);
  border-radius: var(--radius);
  background: var(--danger-soft);
}
.delete-box h3 { margin: 0 0 6px; color: var(--danger-ink); }
.delete-box p { margin: 0 0 10px; color: var(--danger-ink); font-size: 13px; }
.delete-box label { margin-bottom: 8px; }
.meta-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 8px 14px; margin: 12px 0 18px; }
.meta-grid dt { color: var(--ink-soft); font-size: 12px; }
.meta-grid dd { margin: 2px 0 0; font-weight: 600; }
.ok { color: var(--success-ink); font-weight: 600; }
.bad { color: var(--danger-ink); font-weight: 600; }
.muted { color: var(--ink-soft); }
.empty-state { padding: 48px 24px; text-align: center; }
.admin-body .card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 24px;
  box-shadow: var(--shadow);
}
.admin-body .shell { max-width: 560px; padding-top: 80px; }
.admin-body h1 { color: var(--ink); }
.admin-body p { color: var(--ink-soft); }
.admin-body .error { color: var(--danger-ink); }
.admin-body .eyebrow { color: var(--primary); }