/* ============================================================
   CLASP: shared stats & badges styles (hub.html, profile.html)
   ============================================================ */
.st-section { margin-bottom: var(--space-xl); scroll-margin-top: 120px; }
.st-title {
  font-family: var(--font-heading); font-size: 1.1rem; font-weight: 700;
  margin-bottom: var(--space-md); display: flex; align-items: center; gap: var(--space-sm); flex-wrap: wrap;
}
.st-title small { font-size: 0.8rem; font-weight: 400; color: var(--color-text-muted); font-family: var(--font-ui); }
.st-good { color: var(--color-success); }
.st-mid  { color: var(--color-warning); }
.st-low  { color: var(--color-danger); }
.st-empty { text-align: center; padding: var(--space-lg); color: var(--color-text-muted); font-size: 0.9rem; background: var(--color-surface); border: 1px dashed var(--color-border); border-radius: var(--radius-card); }
.st-toggle { margin-top: var(--space-sm); background: none; border: none; color: var(--color-primary); font-family: var(--font-ui); font-weight: 700; font-size: 0.85rem; cursor: pointer; padding: 6px 0; }
.st-family { font-family: var(--font-ui); font-size: 0.8rem; font-weight: 700; margin: var(--space-md) 0 var(--space-xs); }
.st-family span { font-weight: 400; color: var(--color-text-muted); }

/* ── Badges ──────────────────────────────────────────── */
.badges-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: var(--space-sm);
}
.badge-card {
  background: var(--color-surface); border: 1px solid var(--color-border);
  border-radius: var(--radius-card); padding: var(--space-md);
  text-align: center; transition: all var(--transition-fast);
  animation: fadeIn 0.3s ease both;
}
.badge-card.earned { border-color: var(--color-primary); }
.badge-card.earned:hover { transform: translateY(-2px); box-shadow: var(--shadow-glow); }
.badge-card.locked { opacity: 0.6; }
.badge-card.locked .badge-icon { filter: grayscale(1); opacity: 0.7; }
button.badge-card { font: inherit; color: inherit; text-align: center; cursor: pointer; width: 100%; }
button.badge-card:hover, button.badge-card:focus-visible { opacity: 1; transform: translateY(-2px); outline: none; box-shadow: 0 0 0 2px var(--tier-colour, var(--color-primary)); }
.badge-mini { height: 4px; border-radius: 999px; background: var(--color-border); margin-top: 6px; overflow: hidden; }
.badge-mini i { display: block; height: 100%; background: var(--tier-colour, var(--color-primary)); }
.badge-hint { font-size: 0.82rem; color: var(--color-text-muted); margin: 0 0 var(--space-sm); }
.bd-overlay { position: fixed; inset: 0; z-index: 3000; background: rgba(10,12,20,0.5); display: flex; align-items: flex-start; justify-content: center; padding: 12vh 16px 16px; overflow-y: auto; }
.bd-box { position: relative; background: var(--color-surface); color: var(--color-text); border-radius: 18px; padding: 24px 22px 20px; max-width: 380px; width: 100%; text-align: center; box-shadow: 0 20px 60px rgba(0,0,0,0.3); border-top: 5px solid var(--tier-colour); }
.bd-close { position: absolute; top: 10px; right: 10px; width: 32px; height: 32px; border-radius: 8px; border: 1px solid var(--color-border); background: transparent; color: var(--color-text-muted); cursor: pointer; font-size: 0.9rem; }
.bd-icon { font-size: 3rem; line-height: 1; margin-bottom: 8px; }
.bd-icon.locked { filter: grayscale(1); opacity: 0.6; }
.bd-tier { font-family: var(--font-ui); font-size: 0.7rem; font-weight: 800; text-transform: uppercase; letter-spacing: 0.06em; color: var(--tier-colour); }
.bd-box h3 { font-family: var(--font-heading); font-size: 1.25rem; margin: 4px 0 6px; }
.bd-desc { color: var(--color-text-muted); margin: 0 0 14px; }
.bd-earned { font-weight: 700; color: var(--color-success, #12b886); margin: 0 0 12px; }
.bd-bar { height: 10px; border-radius: 999px; background: var(--color-border); overflow: hidden; margin: 0 0 6px; }
.bd-bar i { display: block; height: 100%; background: var(--tier-colour); border-radius: 999px; }
.bd-progress { font-size: 0.88rem; color: var(--color-text-muted); margin: 0 0 14px; }
.bd-progress strong { color: var(--color-text); }
.bd-how { text-align: left; background: var(--color-surface-2, rgba(127,127,127,0.08)); border-radius: 12px; padding: 12px 14px; }
.bd-how strong { font-family: var(--font-ui); font-size: 0.78rem; text-transform: uppercase; letter-spacing: 0.05em; color: var(--color-text-muted); }
.bd-how p { margin: 4px 0 0; font-size: 0.92rem; line-height: 1.5; }
.bd-next { margin-top: 14px; text-align: left; }
.bd-next span { display: block; font-family: var(--font-ui); font-size: 0.75rem; font-weight: 700; color: var(--color-text-muted); margin-bottom: 6px; }
.bd-next button { width: 100%; text-align: left; font: inherit; font-weight: 700; padding: 10px 12px; border-radius: 10px; border: 1px solid var(--color-border); background: transparent; color: var(--color-text); cursor: pointer; }
.bd-next button small { display: block; font-weight: 400; color: var(--color-text-muted); margin-top: 2px; }
.badge-icon { font-size: 1.8rem; margin-bottom: 6px; }
.badge-name { font-family: var(--font-ui); font-size: 0.78rem; font-weight: 700; color: var(--color-text); margin-bottom: 3px; }
.badge-desc { font-size: 0.7rem; color: var(--color-text-muted); line-height: 1.4; }

/* ── Time & subject stats ────────────────────────────── */
.time-tiles { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-sm); margin-bottom: var(--space-md); }
.time-tile { background: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--radius-card); padding: var(--space-md); text-align: center; }
.time-tile-val { font-family: var(--font-heading); font-size: 1.3rem; font-weight: 800; color: var(--color-text); }
.time-tile-label { font-family: var(--font-ui); font-size: 0.72rem; font-weight: 600; color: var(--color-text-muted); text-transform: uppercase; letter-spacing: 0.05em; margin-top: 2px; }
.day-chart { background: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--radius-card); padding: var(--space-md) var(--space-md) var(--space-sm); }
.day-bars { display: flex; align-items: flex-end; gap: 4px; height: 140px; }
.day-col { flex: 1; display: flex; flex-direction: column; align-items: center; justify-content: flex-end; height: 100%; min-width: 0; }
.day-val { font-family: var(--font-ui); font-size: 0.62rem; color: var(--color-text-muted); margin-bottom: 3px; white-space: nowrap; }
.day-bar { width: 100%; max-width: 28px; background: var(--color-primary); border-radius: 4px 4px 0 0; min-height: 2px; transition: height 0.6s ease; }
.day-bar.empty { background: var(--color-border); }
.day-labels { display: flex; gap: 4px; margin-top: 6px; border-top: 1px solid var(--color-border); padding-top: 4px; }
.day-labels span { flex: 1; text-align: center; font-family: var(--font-ui); font-size: 0.62rem; line-height: 1.3; color: var(--color-text-muted); min-width: 0; overflow: hidden; }
.day-labels span.today { color: var(--color-primary); font-weight: 700; }
.subject-list { display: flex; flex-direction: column; gap: var(--space-sm); }
.subject-row { background: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--radius-button); padding: 10px var(--space-md); }
.subject-top { display: flex; justify-content: space-between; align-items: baseline; gap: var(--space-sm); }
.subject-name { font-family: var(--font-ui); font-size: 0.9rem; font-weight: 700; }
.subject-time { font-family: var(--font-heading); font-size: 0.95rem; font-weight: 700; white-space: nowrap; }
.subject-track { height: 6px; background: var(--color-surface-2); border-radius: var(--radius-pill); margin: 6px 0 4px; overflow: hidden; }
.subject-fill { height: 100%; background: var(--color-primary); border-radius: var(--radius-pill); }
.subject-meta { font-size: 0.76rem; color: var(--color-text-muted); }
.badge-subhead { font-family: var(--font-ui); font-size: 0.78rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.06em; color: var(--color-text-muted); margin: var(--space-md) 0 var(--space-sm); }
.badge-subhead:first-child { margin-top: 0; }
.badge-card { position: relative; }
.badge-card.earned { border-color: var(--tier-colour, var(--color-primary)); box-shadow: inset 0 0 0 1px var(--tier-colour, transparent); }
.badge-tier { display: inline-block; font-family: var(--font-ui); font-size: 0.6rem; font-weight: 800; text-transform: uppercase; letter-spacing: 0.06em; color: var(--tier-colour); margin-bottom: 2px; }
.goal-list { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: var(--space-sm); }
.goal-card { background: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--radius-card); padding: 12px var(--space-md); display: flex; gap: var(--space-md); align-items: center; }
.goal-icon { font-size: 1.7rem; width: 40px; text-align: center; flex-shrink: 0; filter: grayscale(0.6); opacity: 0.85; }
.goal-body { flex: 1; min-width: 0; }
.goal-top { display: flex; justify-content: space-between; align-items: baseline; gap: var(--space-sm); }
.goal-name { font-family: var(--font-ui); font-size: 0.86rem; font-weight: 700; color: var(--color-text); }
.goal-count { font-family: var(--font-ui); font-size: 0.74rem; font-weight: 700; color: var(--color-text-muted); white-space: nowrap; }
.goal-desc { font-size: 0.74rem; color: var(--color-text-muted); margin: 1px 0 6px; }
.goal-track { height: 6px; background: var(--color-surface-2); border-radius: var(--radius-pill); overflow: hidden; }
.goal-fill { height: 100%; border-radius: var(--radius-pill); background: var(--tier-colour, var(--color-primary)); }
.goal-more { font-size: 0.7rem; color: var(--color-text-muted); margin-top: 4px; }
.goal-done { font-size: 0.74rem; color: var(--color-success); font-weight: 700; }


@media (max-width: 600px) {
  .day-val { display: none; }
  .day-bars, .day-labels { gap: 2px; }
  .day-labels span { font-size: 0.56rem; letter-spacing: -0.02em; }
  .time-tile-val { font-size: 1.1rem; }
}

/* Collapsed items must stay hidden even though their cards use display:flex/grid */
.goal-card[hidden], #locked-wrap[hidden] { display: none !important; }

/* Quiz time and study time in two shades */
.day-legend { display: flex; gap: 14px; justify-content: flex-end; font-family: var(--font-ui); font-size: 0.72rem; color: var(--color-text-muted); margin-bottom: 6px; }
.day-legend span { display: inline-flex; align-items: center; gap: 5px; }
.day-legend .dot { width: 9px; height: 9px; border-radius: 3px; display: inline-block; background: var(--color-primary); }
.day-legend .dot-study, .day-bar-study { background: color-mix(in srgb, var(--color-primary) 40%, var(--color-surface)) !important; }
.day-stack { width: 100%; max-width: 28px; display: flex; flex-direction: column; border-radius: 5px 5px 2px 2px; overflow: hidden; min-height: 4px; }
.day-stack .day-bar { width: 100%; max-width: none; min-height: 2px; border-radius: 0 !important; height: auto; }
.subject-track-split { display: flex; }
.subject-track-split .subject-fill { border-radius: 0; }
.subject-track-split .subject-fill:first-child { border-radius: 999px 0 0 999px; }
.subject-fill-study { background: color-mix(in srgb, var(--color-primary) 40%, var(--color-surface)) !important; }

/* ── Subject scores and trends ── */
details.subject-row > summary { list-style: none; cursor: pointer; }
details.subject-row > summary::-webkit-details-marker, details.tr-topic > summary::-webkit-details-marker { display: none; }
.tr-open { display: inline-block; color: var(--color-text-muted); transition: transform 0.15s; margin-left: 2px; }
details[open] > summary .tr-open { transform: rotate(90deg); }
.tr-line { display: flex; justify-content: space-between; align-items: center; gap: 10px; }
.tr-line .subject-meta { line-height: 1.5; }
.tr { font-weight: 700; white-space: nowrap; }
.tr-up { color: var(--color-success); }
.tr-down { color: var(--color-danger); }
.tr-flat { color: var(--color-text-muted); }
.tr-note { color: var(--color-text-muted); font-size: 0.76rem; }
.tr-spark { flex-shrink: 0; overflow: visible; }
.tr-spark polyline { stroke: var(--color-primary); stroke-width: 2; stroke-linejoin: round; stroke-linecap: round; }
.tr-spark circle { fill: var(--color-primary); }
.tr-spark .tr-mid { stroke: var(--color-border); stroke-width: 1; stroke-dasharray: 3 3; }
.tr-topics { margin-top: 10px; border-top: 1px solid var(--color-border); padding-top: 8px; display: flex; flex-direction: column; gap: 4px; }
details.tr-topic > summary { list-style: none; cursor: pointer; display: flex; justify-content: space-between; align-items: baseline; gap: 10px; padding: 6px 4px; border-radius: 6px; font-size: 0.85rem; }
details.tr-topic > summary:hover { background: var(--color-surface-2); }
.tr-topic-name { font-weight: 600; }
.tr-topic-stats { white-space: nowrap; font-size: 0.85rem; }
.tr-topic-stats small { color: var(--color-text-muted); margin-left: 6px; font-size: 0.72rem; }
.tr-topic-body { padding: 4px 4px 10px 12px; border-left: 2px solid var(--color-border); margin: 2px 0 6px 6px; }
.tr-recent { display: flex; gap: 4px; flex-wrap: wrap; margin: 6px 0; }
.tr-chip { font-size: 0.72rem; font-weight: 700; padding: 2px 7px; border-radius: 999px; background: var(--color-surface-2); }
.tr-missed-head { font-family: var(--font-ui); font-size: 0.75rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.04em; color: var(--color-text-muted); margin: 8px 0 4px; }
.tr-missed-row { display: flex; justify-content: space-between; gap: 10px; font-size: 0.82rem; padding: 4px 0; border-bottom: 1px dashed var(--color-border); }
.tr-missed-row small { color: var(--color-text-muted); white-space: nowrap; }
.tr-review { background: var(--color-surface-2); }
@media (max-width: 520px) { .tr-line { flex-wrap: wrap; } }