/* ================================================
   BAMPAA — Practice Page
   assets/practice.css
   Uses site-wide tokens from theme.css
   ================================================ */

/* ── Page shell ───────────────────────────────────── */

.prac-page {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
  min-height: 100vh;
}

/* ── Gate ─────────────────────────────────────────── */

.prac-gate-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 60vh;
  gap: 12px;
  text-align: center;
  padding: 40px 24px;
}

.prac-gate-msg {
  font-size: 1.1rem;
  color: var(--text);
  font-weight: 700;
  margin: 0;
}

.prac-gate-sub {
  font-size: 0.9rem;
  color: var(--muted);
  margin: 0 0 8px;
}

/* ── Setup section ────────────────────────────────── */

#prac-setup-section {
  max-width: 680px;
  margin: 0 auto;
  padding: 48px 24px 64px;
}

.prac-hero { margin-bottom: 36px; }

.prac-title {
  font-size: 2rem;
  font-weight: 800;
  color: var(--text);
  margin: 0 0 6px;
}

.prac-subtitle {
  font-size: 0.95rem;
  color: var(--muted);
  margin: 0;
}

/* ── Selector groups ──────────────────────────────── */

.prac-sel-group { margin-bottom: 24px; }

.prac-sel-label {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.09em;
  margin-bottom: 10px;
}

.prac-sel-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.prac-sel-row--difficulty { gap: 6px; }
.prac-sel-row--difficulty .prac-opt { padding: 7px 13px; font-size: 0.82rem; }

.prac-opt {
  background: var(--card);
  border: 1px solid var(--border);
  color: var(--muted);
  border-radius: 10px;
  padding: 7px 18px;
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  transition: border-color .15s, color .15s, background .15s, box-shadow .15s;
  font-family: inherit;
}

.prac-opt:hover:not(.prac-opt-disabled) {
  border-color: var(--brand);
  color: var(--brand);
}

.prac-opt-active {
  border-color: var(--brand);
  color: var(--brand);
  background: color-mix(in srgb, var(--brand) 10%, var(--card));
  box-shadow: var(--glow-brand);
}

.prac-opt-disabled {
  opacity: 0.3;
  cursor: default;
  pointer-events: none;
}

/* ── Progress block ───────────────────────────────── */

.prac-progress-block {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 14px 16px;
  margin-bottom: 24px;
  box-shadow: var(--shadow-1);
}

.prac-combo-label {
  font-size: 0.82rem;
  color: var(--muted);
  margin-bottom: 10px;
  font-weight: 600;
}

.prac-progress-track {
  background: rgba(255,255,255,0.07);
  border-radius: 3px;
  height: 6px;
  margin-bottom: 8px;
  overflow: hidden;
}

.prac-progress-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.prac-progress-count {
  font-size: 0.78rem;
  color: var(--muted);
}

.prac-reset-btn {
  background: none;
  border: none;
  color: var(--muted);
  font-size: 0.75rem;
  cursor: pointer;
  padding: 0;
  text-decoration: underline;
  font-family: inherit;
  transition: color .15s;
}
.prac-reset-btn:hover { color: var(--accent); }

/* ── Start button ─────────────────────────────────── */

.prac-start-btn {
  display: block;
  width: 100%;
  background: linear-gradient(135deg, var(--brand), var(--brand-strong));
  color: #fff;
  border: none;
  border-radius: 999px;
  padding: 13px 0;
  font-size: 1rem;
  font-weight: 800;
  cursor: pointer;
  font-family: inherit;
  box-shadow: 0 0 18px rgba(106,165,156,.45);
  transition: transform .18s ease, box-shadow .18s ease;
}
.prac-start-btn:hover:not(:disabled) {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(106,165,156,.55);
}
.prac-start-btn:disabled { opacity: 0.4; cursor: default; }

/* ── Question section ─────────────────────────────── */

#prac-question-section {
  max-width: 720px;
  margin: 0 auto;
  padding: 24px 24px 64px;
}

/* ── Top bar ──────────────────────────────────────── */

.prac-q-topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--border);
}

.prac-topbar-left {
  display: flex;
  align-items: center;
  gap: 16px;
}

.prac-q-meta {
  font-size: 0.8rem;
  color: var(--muted);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.prac-timer {
  font-size: 0.82rem;
  font-family: ui-monospace, SFMono-Regular, Consolas, monospace;
  color: var(--muted);
  font-weight: 700;
}

.prac-timer-countdown { color: var(--brand); }
.prac-timer-warn      { color: var(--accent); }

.prac-quit-btn {
  background: none;
  border: 1px solid var(--border);
  color: var(--muted);
  border-radius: 8px;
  padding: 5px 14px;
  font-size: 0.8rem;
  cursor: pointer;
  font-family: inherit;
  transition: border-color .15s, color .15s;
}
.prac-quit-btn:hover { border-color: var(--accent); color: var(--accent); }

/* ── Concept row ──────────────────────────────────── */

.prac-concept-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 4px;
}

.prac-concept-name {
  font-size: 1.1rem;
  font-weight: 800;
  color: var(--text);
}

.prac-concept-counter {
  font-size: 0.75rem;
  color: var(--muted);
  background: color-mix(in srgb, var(--border) 60%, transparent);
  border-radius: 20px;
  padding: 3px 10px;
  font-weight: 600;
}

.prac-divider {
  border: none;
  border-top: 1px solid var(--border);
  margin: 12px 0 18px;
}

/* ── Task ─────────────────────────────────────────── */

.prac-task {
  font-size: 0.97rem;
  line-height: 1.68;
  color: var(--text);
  margin: 0 0 10px;
}

.prac-table-hint {
  font-size: 0.78rem;
  color: var(--muted);
  font-family: ui-monospace, SFMono-Regular, Consolas, monospace;
  margin-bottom: 16px;
  padding: 5px 10px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 6px;
  display: inline-block;
}

/* ── Editor ───────────────────────────────────────── */

.prac-editor-wrap { margin-bottom: 12px; }

.prac-editor {
  width: 100%;
  min-height: 110px;
  resize: vertical;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  color: var(--text);
  font-family: ui-monospace, SFMono-Regular, Consolas, monospace;
  font-size: 0.85rem;
  line-height: 1.6;
  padding: 12px 14px;
  box-sizing: border-box;
  display: block;
  transition: border-color .15s;
}
.prac-editor:focus {
  outline: none;
  border-color: var(--brand);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--brand) 20%, transparent);
}

.prac-editor-actions {
  display: flex;
  gap: 8px;
  margin-top: 8px;
}

.prac-run-btn {
  background: linear-gradient(135deg, var(--brand), var(--brand-strong));
  color: #fff;
  border: none;
  border-radius: 8px;
  padding: 8px 22px;
  font-size: 0.85rem;
  font-weight: 700;
  cursor: pointer;
  font-family: inherit;
  transition: transform .18s ease, box-shadow .18s ease;
  box-shadow: 0 0 12px rgba(106,165,156,.35);
}
.prac-run-btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 18px rgba(106,165,156,.5);
}
.prac-run-btn:disabled {
  background: var(--border);
  color: var(--muted);
  box-shadow: none;
  cursor: not-allowed;
  transform: none;
  opacity: 0.55;
}

.prac-skip-btn {
  background: none;
  border: 1px solid var(--border);
  color: var(--muted);
  border-radius: 8px;
  padding: 8px 18px;
  font-size: 0.85rem;
  cursor: pointer;
  font-family: inherit;
  transition: border-color .15s, color .15s;
}
.prac-skip-btn:hover { border-color: var(--muted); color: var(--text); }

/* ── Result table ─────────────────────────────────── */

.prac-result-scroll {
  overflow-x: auto;
  margin-bottom: 8px;
  border: 1px solid var(--border);
  border-radius: 10px;
}

.prac-result-tbl {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.82rem;
}
.prac-result-tbl th {
  background: color-mix(in srgb, var(--card) 80%, transparent);
  color: var(--muted);
  text-align: left;
  padding: 8px 12px;
  font-weight: 700;
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
.prac-result-tbl td {
  padding: 7px 12px;
  color: var(--text);
  border-bottom: 1px solid color-mix(in srgb, var(--border) 50%, transparent);
  font-family: ui-monospace, SFMono-Regular, Consolas, monospace;
  font-size: 0.8rem;
}
.prac-result-tbl tr:last-child td { border-bottom: none; }

.prac-result-scalar {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 10px 14px;
  font-family: ui-monospace, SFMono-Regular, Consolas, monospace;
  font-size: 0.82rem;
  color: var(--text);
  margin: 0 0 8px;
}

.prac-err {
  color: var(--accent);
  font-size: 0.85rem;
  padding: 8px 0;
}

/* ── Feedback ─────────────────────────────────────── */

.prac-feedback {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  padding: 10px 14px;
  border-radius: 10px;
  margin-top: 10px;
  font-size: 0.88rem;
}

.prac-fb-correct {
  background: color-mix(in srgb, var(--brand) 10%, transparent);
  border: 1px solid color-mix(in srgb, var(--brand) 30%, transparent);
}

.prac-fb-wrong {
  background: color-mix(in srgb, var(--accent) 8%, transparent);
  border: 1px solid color-mix(in srgb, var(--accent) 20%, transparent);
}

.prac-fb-icon {
  font-weight: 800;
  font-size: 0.9rem;
  flex-shrink: 0;
  line-height: 1.5;
}

.prac-fb-ok   { color: var(--brand); }
.prac-fb-fail { color: var(--accent); }

.prac-fb-msg {
  color: var(--text);
  line-height: 1.55;
}



/* ── Done screen ──────────────────────────────────── */

.prac-done {
  text-align: center;
  padding: 48px 0;
}

.prac-done-emoji { font-size: 3rem; margin-bottom: 12px; }

.prac-done-title {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--text);
  margin: 0 0 8px;
}

.prac-done-sub {
  font-size: 0.92rem;
  color: var(--muted);
  margin: 0 0 6px;
}

.prac-done-hint {
  font-size: 0.82rem;
  color: var(--muted);
  margin: 0 0 24px;
}

.prac-score-bar-track {
  width: 100%;
  max-width: 320px;
  height: 8px;
  background: var(--border, #1e2840);
  border-radius: 4px;
  margin: 20px auto 8px;
  overflow: hidden;
}

.prac-stats-row {
  display: flex;
  justify-content: center;
  gap: 32px;
  margin: 16px 0 24px;
}

.prac-stat-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
}

.prac-stat-val {
  font-size: 1.4rem;
  font-weight: 800;
  line-height: 1;
}

.prac-stat-label {
  font-size: 0.72rem;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* ── Collapsible table preview ────────────────────── */

.prac-table-details {
  margin-bottom: 16px;
  border: 1px solid var(--border);
  border-radius: 10px;
  overflow: hidden;
}

.prac-table-summary {
  padding: 7px 12px;
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--muted);
  cursor: pointer;
  list-style: none;
  user-select: none;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.prac-table-summary::-webkit-details-marker { display: none; }
.prac-table-summary::before {
  content: "▾ ";
  font-size: 0.65rem;
}
.prac-table-details:not([open]) .prac-table-summary::before {
  content: "▸ ";
}

.prac-result-scroll--inset {
  border-radius: 0;
  border: none;
  border-top: 1px solid var(--border);
  margin-bottom: 0;
}

/* ── Personal best chip ───────────────────────────── */

.prac-personal-best {
  font-size: 0.82rem;
  color: var(--muted);
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 9px 14px;
  margin: 12px 0 16px;
  text-align: center;
}

/* ── Leaderboard (done screen) ────────────────────── */

.prac-lb-wrap {
  margin: 20px auto 12px;
  max-width: 420px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
}

.prac-lb-title {
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--muted);
  padding: 10px 14px 8px;
  border-bottom: 1px solid var(--border);
}

.prac-lb-table { padding: 4px 0; }

.prac-lb-row {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 7px 14px;
  font-size: 0.82rem;
  color: var(--text);
}

.prac-lb-me {
  background: color-mix(in srgb, var(--brand) 8%, transparent);
  font-weight: 700;
}

.prac-lb-medal { width: 22px; flex-shrink: 0; text-align: center; }
.prac-lb-name  { flex: 1; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.prac-lb-score { width: 40px; text-align: right; color: var(--muted); font-variant-numeric: tabular-nums; }
.prac-lb-time  { width: 56px; text-align: right; color: var(--muted); font-variant-numeric: tabular-nums; }
.prac-lb-rate  { width: 60px; text-align: right; color: var(--brand); font-weight: 700; font-variant-numeric: tabular-nums; }

.prac-lb-saving {
  font-size: 0.8rem;
  color: var(--muted);
  text-align: center;
  padding: 12px;
  margin: 16px 0 8px;
}

/* ── Responsive ───────────────────────────────────── */

@media (max-width: 600px) {
  #prac-setup-section    { padding: 32px 16px 48px; }
  #prac-question-section { padding: 16px 16px 48px; }
  .prac-title { font-size: 1.6rem; }
  .prac-sel-row { gap: 6px; }
  .prac-opt { padding: 6px 12px; font-size: 0.8rem; }
}