:root {
  --bg: #0e1419;
  --surface: #161e27;
  --surface-hover: #1c2733;
  --border: #2a3644;
  --text: #e8eef4;
  --muted: #8b9aab;
  --accent: #c9a227;
  --accent-dim: #8f7320;
  --ok: #3d9a6b;
  --bad: #c45c5c;
  --font: "IBM Plex Sans", system-ui, sans-serif;
  --font-display: "IBM Plex Serif", Georgia, serif;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  font-size: 100%;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font);
  background: radial-gradient(ellipse 120% 80% at 50% -20%, #1a2836 0%, var(--bg) 55%);
  color: var(--text);
  line-height: 1.5;
}

a {
  color: var(--accent);
}

header {
  padding: 1.5rem clamp(1rem, 4vw, 2.5rem);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
}

header h1 {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(1.25rem, 3vw, 1.65rem);
  font-weight: 600;
  letter-spacing: -0.02em;
}

header .tagline {
  margin: 0.2rem 0 0;
  font-size: 0.85rem;
  color: var(--muted);
}

main {
  max-width: 52rem;
  margin: 0 auto;
  padding: clamp(1.25rem, 3vw, 2rem);
}

.full-exam-banner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.1rem 1.25rem;
  margin-bottom: 1.5rem;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: linear-gradient(135deg, rgba(201, 162, 39, 0.08) 0%, var(--surface) 55%);
}

.full-exam-copy {
  flex: 1;
  min-width: min(100%, 18rem);
}

.full-exam-title {
  margin: 0 0 0.35rem;
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text);
}

.full-exam-desc {
  margin: 0;
  font-size: 0.88rem;
  color: var(--muted);
  line-height: 1.45;
}

.setup-card-wide {
  max-width: 40rem;
}

.btn {
  font-family: inherit;
  font-size: 0.95rem;
  cursor: pointer;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text);
  padding: 0.55rem 1.1rem;
  border-radius: 6px;
  transition: background 0.15s, border-color 0.15s;
}

.btn:hover {
  background: var(--surface-hover);
  border-color: var(--muted);
}

.btn-primary {
  background: linear-gradient(180deg, #b8922a 0%, var(--accent-dim) 100%);
  border-color: var(--accent);
  color: #0e0e0e;
  font-weight: 600;
}

.btn-primary:hover {
  filter: brightness(1.08);
}

.btn-ghost {
  background: transparent;
}

.domain-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 1rem;
}

.domain-card {
  text-align: left;
  padding: 1.15rem 1.25rem;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text);
  cursor: pointer;
  transition: transform 0.15s, border-color 0.15s, box-shadow 0.15s;
}

.domain-card:hover {
  transform: translateY(-2px);
  border-color: var(--accent-dim);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.35);
}

.domain-card .num {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--accent);
  margin-bottom: 0.35rem;
}

.domain-card h2 {
  margin: 0 0 0.5rem;
  font-size: 1.05rem;
  font-family: var(--font-display);
  font-weight: 600;
  color: var(--text);
}

.domain-card p {
  margin: 0;
  font-size: 0.88rem;
  color: var(--muted);
}

.domain-card .domain-meta {
  margin: 0.65rem 0 0;
  font-size: 0.78rem;
  color: var(--muted);
  line-height: 1.35;
}

.domain-card .domain-stat {
  font-variant-numeric: tabular-nums;
}

.setup-card {
  padding: 1.35rem 1.5rem;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: var(--surface);
  max-width: 32rem;
  margin: 0 auto;
}

.setup-num {
  margin: 0 0 0.35rem;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--accent);
}

.setup-title {
  margin: 0 0 0.75rem;
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 600;
  line-height: 1.3;
}

.setup-bank {
  margin: 0 0 1rem;
  font-size: 0.88rem;
  color: var(--muted);
}

.setup-label {
  margin: 0 0 0.5rem;
  font-size: 0.85rem;
  color: var(--muted);
}

.count-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1rem;
}

.count-pill {
  font-family: inherit;
  font-size: 0.9rem;
  cursor: pointer;
  padding: 0.45rem 0.85rem;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--bg);
  color: var(--text);
  transition: border-color 0.15s, background 0.15s;
}

.count-pill:hover {
  border-color: var(--muted);
  background: var(--surface-hover);
}

.count-pill.selected {
  border-color: var(--accent);
  background: rgba(201, 162, 39, 0.12);
  color: var(--text);
}

.setup-timer-preview {
  margin: 0 0 0.85rem;
  font-size: 0.95rem;
  color: var(--text);
}

.setup-ref {
  margin: 0 0 1.25rem;
  font-size: 0.82rem;
  color: var(--muted);
  line-height: 1.45;
}

.setup-actions {
  margin-top: 0;
}

.quiz-meta {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 1.25rem;
}

.quiz-meta-main {
  flex: 1;
  min-width: 200px;
}

.quiz-timer-wrap {
  text-align: right;
  flex-shrink: 0;
}

.quiz-timer-label {
  display: block;
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--muted);
  margin-bottom: 0.2rem;
}

.quiz-timer {
  font-variant-numeric: tabular-nums;
  font-size: 1.35rem;
  font-weight: 600;
  font-family: var(--font);
  color: var(--accent);
  line-height: 1.2;
}

.quiz-timer.timer-warning {
  color: #e8a035;
}

.quiz-timer.timer-critical {
  color: var(--bad);
}

.progress-wrap {
  flex: 1;
  min-width: 140px;
}

.progress-wrap label {
  display: block;
  font-size: 0.8rem;
  color: var(--muted);
  margin-bottom: 0.35rem;
}

.progress-bar {
  height: 6px;
  background: var(--border);
  border-radius: 3px;
  overflow: hidden;
}

.progress-bar span {
  display: block;
  height: 100%;
  background: linear-gradient(90deg, var(--accent-dim), var(--accent));
  transition: width 0.25s ease;
}

.question-block h2 {
  font-size: clamp(1rem, 2.5vw, 1.2rem);
  font-weight: 600;
  margin: 0 0 1.25rem;
  line-height: 1.45;
}

.choices {
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

/* Keep Next / See results directly under choices so long explanations don’t hide them. */
#view-quiz .quiz-actions {
  margin-top: 1.25rem;
}

.choice {
  text-align: left;
  padding: 0.85rem 1rem;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--bg);
  color: var(--text);
  font-family: inherit;
  font-size: 0.95rem;
  cursor: pointer;
  transition: border-color 0.15s, background 0.15s;
}

.choice:hover:not(:disabled) {
  border-color: var(--muted);
  background: var(--surface);
}

.choice:disabled {
  cursor: default;
  opacity: 0.95;
}

.choice.correct {
  border-color: var(--ok);
  background: rgba(61, 154, 107, 0.12);
}

.choice.wrong {
  border-color: var(--bad);
  background: rgba(196, 92, 92, 0.1);
}

.feedback {
  margin-top: 1.25rem;
  padding: 1rem 1.1rem;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--surface);
}

.feedback h3 {
  margin: 0 0 0.5rem;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--muted);
}

.feedback p {
  margin: 0;
  font-size: 0.92rem;
  color: var(--text);
}

.actions {
  margin-top: 1.5rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  align-items: center;
}

.results-card {
  padding: 1.5rem;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: var(--surface);
  text-align: center;
}

.results-card .score {
  font-family: var(--font-display);
  font-size: clamp(2rem, 6vw, 3rem);
  font-weight: 600;
  color: var(--accent);
  margin: 0.5rem 0;
}

.results-card .sub {
  color: var(--muted);
  margin: 0 0 1.5rem;
}

.results-note {
  margin: -0.75rem 0 1.25rem;
  font-size: 0.9rem;
  color: #e8a035;
}

.results-breakdown {
  margin: 1rem 0 0;
  text-align: left;
  padding: 1rem 1.1rem;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--bg);
}

.results-breakdown-title {
  margin: 0 0 0.65rem;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--muted);
  font-weight: 600;
}

.domain-breakdown {
  margin: 0;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 0.35rem 1.25rem;
  font-size: 0.88rem;
}

.domain-breakdown dt {
  margin: 0;
  color: var(--text);
}

.domain-breakdown dd {
  margin: 0;
  font-variant-numeric: tabular-nums;
  color: var(--accent);
  text-align: right;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    transition: none !important;
  }

  .domain-card:hover {
    transform: none;
  }
}