/* ── Trivia game styles ── */

/* ── Category grid ── */
.category-section { margin-bottom: 1.5rem; }
.category-section h2 { font-size: 1rem; font-weight: 650; margin: 0 0 0.75rem; color: var(--ink); }

.cat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: 0.6rem;
}

.cat-btn {
  display: flex; flex-direction: column; align-items: center; gap: 0.35rem;
  padding: 0.85rem 0.5rem; border-radius: var(--radius);
  border: 2px solid var(--line-strong);
  background: var(--panel-soft); color: var(--muted);
  cursor: pointer; transition: border-color 0.15s, color 0.15s;
  font-family: var(--serif);
}
.cat-btn:hover { color: var(--ink); border-color: var(--accent); }
.cat-btn.active {
  color: var(--accent-strong); border-color: var(--accent);
  background: var(--accent-soft);
}
.cat-icon {
  font-size: 1.4rem; font-weight: 800;
  font-family: var(--mono); color: inherit;
}
.cat-label { font-size: 0.78rem; font-weight: 600; text-align: center; }
.cat-btn-random { border-style: dashed; }

/* ── Difficulty ── */
.diff-row {
  display: flex; gap: 0.5rem; margin-bottom: 1rem;
  flex-wrap: wrap;
}
.diff-btn {
  font-size: 0.78rem; font-weight: 600;
  padding: 0.35rem 0.75rem; border-radius: 999px;
  border: 2px solid var(--line-strong);
  background: var(--panel-soft); color: var(--muted);
  cursor: pointer; transition: border-color 0.15s, color 0.15s;
  font-family: var(--mono); text-transform: capitalize;
}
.diff-btn:hover { color: var(--ink); border-color: var(--accent); }
.diff-btn.active {
  color: var(--accent-strong); border-color: var(--accent);
  background: var(--accent-soft);
}

/* ── Start button ── */
.start-row { margin-top: 0.5rem; }
#startBtn {
  min-width: 160px; font-weight: 700; font-size: 0.95rem;
}

/* ── Loading ── */
#loadingMsg {
  text-align: center; padding: 3rem 1rem;
  color: var(--muted); font-size: 0.95rem;
}

/* ── Question screen ── */
.progress-wrap {
  margin-bottom: 1rem;
}
.progress-track {
  height: 6px; border-radius: 3px;
  background: var(--line-strong); overflow: hidden;
}
.progress-fill {
  height: 100%; border-radius: 3px;
  background: var(--accent); transition: width 0.3s ease;
}
.progress-label {
  font-size: 0.72rem; color: var(--muted); font-family: var(--mono);
  margin-top: 0.3rem; text-align: right;
}

.question-text {
  font-size: 1.15rem; line-height: 1.5;
  color: var(--ink); font-weight: 600;
  margin: 0 0 1.25rem; min-height: 3.5rem;
}

.answers-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.6rem;
  margin-bottom: 1rem;
}
.answer-btn {
  padding: 0.75rem 1rem; border-radius: var(--radius);
  border: 2px solid var(--line-strong);
  background: var(--panel-soft); color: var(--ink);
  font-size: 0.88rem; font-weight: 500;
  text-align: left; line-height: 1.4;
  cursor: pointer; transition: border-color 0.15s, background 0.15s;
}
.answer-btn:hover:not(:disabled) {
  border-color: var(--accent); background: var(--accent-soft);
}
.answer-btn:disabled { cursor: default; opacity: 0.85; }
.answer-btn.correct {
  border-color: var(--success) !important;
  background: rgba(176, 232, 196, 0.12) !important;
  color: var(--success);
}
.answer-btn.wrong {
  border-color: var(--danger) !important;
  background: rgba(243, 181, 176, 0.12) !important;
  color: var(--danger);
}

.game-stats {
  display: flex; gap: 1.5rem;
  font-family: var(--mono); font-size: 0.82rem; color: var(--muted);
}
.game-stats strong { color: var(--accent); font-weight: 700; }

/* ── Results screen ── */
.results-card {
  text-align: center; padding: 2rem 1rem;
}
.results-title {
  font-size: 1.2rem; font-weight: 700; color: var(--ink); margin: 0 0 1rem;
}
.results-grid {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 0.6rem; max-width: 320px; margin: 0 auto 1.5rem;
}
.result-stat {
  padding: 0.75rem; border-radius: var(--radius);
  border: 2px solid var(--line); background: var(--panel-soft);
}
.result-stat-label {
  display: block; font-size: 0.72rem; color: var(--muted);
  text-transform: uppercase; letter-spacing: 0.1em;
  font-family: var(--mono);
}
.result-stat-value {
  display: block; font-size: 1.4rem; font-weight: 800;
  color: var(--accent); margin-top: 0.2rem;
  font-variant-numeric: tabular-nums;
}
.new-best-badge {
  display: inline-block; padding: 0.25rem 0.65rem;
  border-radius: 999px; font-size: 0.72rem; font-weight: 700;
  background: rgba(176, 232, 196, 0.18); color: var(--success);
  border: 2px solid rgba(176, 232, 196, 0.4);
  margin-bottom: 1rem; text-transform: uppercase; letter-spacing: 0.08em;
}
.results-actions {
  display: flex; gap: 0.6rem; justify-content: center;
  flex-wrap: wrap;
}

/* ── Responsive ── */
@media (max-width: 720px) {
  .cat-grid { grid-template-columns: repeat(auto-fill, minmax(110px, 1fr)); }
  .answers-grid { grid-template-columns: 1fr; }
  .question-text { font-size: 1rem; }
}

@media (max-width: 480px) {
  .cat-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}