/* css/dashboard-v8.css — Dashboard + Settings v8 additions (DESIGN.md §6).
   Theme-variable driven only; no hardcoded colors. Mobile-first. */

/* ---------------------------------------------------------------------
   Hero "Today" panel
--------------------------------------------------------------------- */
.dsl-hero-card {
  position: relative;
}

.dsl-hero-today {
  margin-top: var(--space-2);
  padding-top: var(--space-8);
  border-top: 1px solid color-mix(in srgb, var(--border) 70%, transparent);
}

/* v9 "Daily Menu" — streak strip + three bounded daily tiles. */
.dsl-daily-menu {
  display: flex;
  flex-direction: column;
  gap: var(--space-7);
}

/* --- streak + grace strip --- */
.dsl-streak-row {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-4) var(--space-6);
}

.dsl-streak-flame {
  display: inline-flex;
  align-items: baseline;
  gap: var(--space-3);
  font-size: 1.15rem;
  font-weight: 700;
}

.dsl-streak-flame small {
  font-size: var(--text-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--muted);
}

.dsl-grace-chip {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-5);
  border-radius: var(--radius-pill);
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--text);
  background: color-mix(in srgb, var(--accent-2) 16%, transparent);
  border: 1px solid color-mix(in srgb, var(--accent-2) 45%, var(--border));
}

.dsl-grace-saved {
  font-size: 0.76rem;
  color: var(--muted);
  font-style: italic;
}

/* --- tiles grid: 1-col mobile, 3-col >= 560px --- */
.dsl-tiles {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-6);
}

@media (min-width: 560px) {
  .dsl-tiles {
    grid-template-columns: repeat(3, 1fr);
  }
}

.dsl-tile {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  min-height: 112px; /* tap target >= 48px, comfortably */
  padding: var(--space-7) var(--space-8);
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
  background: color-mix(in srgb, var(--panel-2) 70%, transparent);
  color: var(--text);
  text-decoration: none;
  transition: transform var(--motion-fast) ease, border-color var(--motion-fast) ease, background var(--motion-fast) ease;
}

.dsl-tile:hover {
  transform: translateY(-2px);
  border-color: color-mix(in srgb, var(--accent) 45%, var(--border));
}

.dsl-tile-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 30px;
}

.dsl-tile-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 30px;
  height: 30px;
  color: var(--accent);
}

.dsl-tile-icon svg {
  width: 28px;
  height: 28px;
}

.dsl-tile-hanzi {
  font-size: 1.5rem;
  font-weight: 700;
  line-height: 1;
  color: var(--accent);
}

.dsl-tile-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  border-radius: var(--radius-pill);
  font-size: 0.8rem;
  font-weight: 800;
  color: var(--accent-2);
  background: color-mix(in srgb, var(--accent-2) 18%, transparent);
  border: 1px solid color-mix(in srgb, var(--accent-2) 55%, transparent);
}

.dsl-tile-name {
  font-size: 1.02rem;
  font-weight: 700;
  line-height: 1.15;
}

.dsl-tile-line {
  font-size: 0.85rem;
  color: var(--muted);
  font-variant-numeric: tabular-nums;
}

.dsl-tile-scope {
  margin-top: auto;
  font-size: var(--text-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--muted);
}

/* RECALL carries the primary Start-session action. */
.dsl-tile--recall {
  border-color: color-mix(in srgb, var(--accent) 55%, var(--border));
  background: color-mix(in srgb, var(--accent) 14%, var(--panel-2));
}

.dsl-tile--recall .dsl-tile-name,
.dsl-tile--recall .dsl-tile-icon {
  color: var(--text);
}

/* Done tiles: ✓ badge + subdued surface. */
.dsl-tile--done {
  border-color: color-mix(in srgb, var(--accent-2) 40%, var(--border));
  background: color-mix(in srgb, var(--panel-2) 45%, transparent);
  opacity: 0.82;
}

.dsl-tile--done .dsl-tile-icon,
.dsl-tile--done .dsl-tile-hanzi {
  color: var(--muted);
}

/* No top margin on either footer variant: .dsl-daily-menu is the flex column
   that already spaces its children with `gap: var(--space-7)`. A margin here
   stacked on top of that gap (14px + 2px) instead of replacing it — a doubled
   gap the flex `gap` alone should own. */
.dsl-menu-hint {
  margin: 0;
  font-size: var(--text-md);
  color: var(--muted);
}

.dsl-day-complete {
  margin-top: 0;
  padding: var(--space-5) var(--space-7);
  border-radius: var(--radius-md);
  font-size: 0.95rem;
  font-weight: 700;
  text-align: center;
  color: var(--text);
  background: color-mix(in srgb, var(--accent-2) 18%, transparent);
  border: 1px solid color-mix(in srgb, var(--accent-2) 45%, var(--border));
}

/* ---------------------------------------------------------------------
   "All decks · SRS overview" stat strip — base rule is app.css's
   .dsl-dash-stat-tile (min-height: 96px). Measured natural content height
   (kicker value + label + hint, one line each, no wrap even at a 145px
   mobile tile width with a worst-case 16-char hint) is ~86px, so the 96px
   floor was leaving ~10px unearned, split above/below by the tile's own
   vertical centering. 88px keeps a hair of headroom and removes the rest.
--------------------------------------------------------------------- */
.dsl-dash-stat-tile {
  min-height: 88px;
}

/* ---------------------------------------------------------------------
   Home quick access — a deliberately bounded set of pinned phrases
--------------------------------------------------------------------- */
.dsl-home-pins-mount {
  min-width: 0;
}

.dsl-home-pins-panel {
  padding: 18px;
}

.dsl-home-pins-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-6);
  margin-bottom: var(--space-7);
}

.dsl-home-pins-head .dsl-side-kicker {
  margin: 0 0 var(--space-2);
}

.dsl-home-pins-head h2 {
  margin: 0;
  font-size: 1.02rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.dsl-home-pins-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-5);
  margin: 0;
  padding: 0;
  list-style: none;
}

@media (min-width: 720px) {
  .dsl-home-pins-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 1120px) {
  .dsl-home-pins-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

.dsl-home-pin-card {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  min-width: 0;
  border: 1px solid color-mix(in srgb, var(--border) 88%, var(--accent) 12%);
  border-radius: var(--radius-md);
  background: color-mix(in srgb, var(--panel-2) 72%, transparent);
  overflow: hidden;
  transition: border-color 0.15s ease, transform 0.15s ease;
}

.dsl-home-pin-card:hover {
  transform: translateY(-1px);
  border-color: color-mix(in srgb, var(--accent) 42%, var(--border));
}

.dsl-home-pin-open {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-6);
  min-width: 0;
  padding: var(--space-7);
  color: var(--text);
  text-decoration: none;
}

.dsl-home-pin-open:focus-visible,
.dsl-home-pin-actions button:focus-visible {
  position: relative;
  z-index: 1;
  outline: var(--focus-ring-width) solid var(--focus-ring-color);
  outline-offset: -2px;
}

.dsl-home-pin-copy {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  min-width: 0;
}

.dsl-home-pin-copy strong {
  font-family: "Iowan Old Style", "Palatino Linotype", "Book Antiqua", Palatino, Georgia, serif;
  font-size: 1.2rem;
  line-height: 1.2;
}

.dsl-home-pin-pinyin,
.dsl-home-pin-english {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.dsl-home-pin-pinyin {
  color: var(--accent-2);
  font-size: var(--text-sm);
}

.dsl-home-pin-english {
  color: var(--muted);
  font-size: 0.8rem;
}

.dsl-home-pin-open-label {
  flex: 0 0 auto;
  color: var(--muted);
  font-size: var(--text-xs);
  font-weight: 700;
}

.dsl-home-pin-actions {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-4);
  border-left: 1px solid var(--border);
}

.dsl-home-pin-actions button {
  display: inline-grid;
  place-items: center;
  min-width: 44px;
  min-height: 44px;
  margin: 0;
}

.dsl-home-pin-play {
  color: var(--accent-2);
}

.dsl-home-pin-play.is-playing svg {
  animation: dsl-home-pin-pulse 0.9s ease-in-out infinite alternate;
}

.dsl-home-pin-remove {
  color: var(--muted);
}

.dsl-home-pin-remove:hover {
  color: var(--danger, var(--text));
}

@keyframes dsl-home-pin-pulse {
  to { transform: scale(1.12); opacity: 0.68; }
}

@media (max-width: 480px) {
  .dsl-home-pins-panel { padding: var(--space-7); }
  .dsl-home-pins-head { align-items: flex-start; }
  .dsl-home-pin-open-label { display: none; }
  .dsl-home-pin-open { padding: var(--space-6); }
}

/* ---------------------------------------------------------------------
   7-day forecast bars
--------------------------------------------------------------------- */
.dsl-forecast-row {
  display: flex;
  align-items: end;
  gap: var(--space-4);
  min-height: 108px;
  padding: var(--space-4) 0 var(--space-2);
}

.dsl-forecast-bar-wrap {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-3);
  flex: 1;
  min-width: 0;
}

.dsl-forecast-bar {
  width: 100%;
  max-width: 26px;
  border-radius: var(--radius-pill);
  background: linear-gradient(180deg, var(--accent), var(--accent-2));
  opacity: 0.92;
  min-height: 6px;
}

.dsl-forecast-value {
  font-size: var(--text-xs);
  color: var(--text);
}

.dsl-forecast-label {
  font-size: var(--text-2xs);
  color: var(--muted);
}

/* ---------------------------------------------------------------------
   Retention
--------------------------------------------------------------------- */
.dsl-retention-value {
  margin: var(--space-2) 0 var(--space-4);
  font-size: clamp(1.6rem, 4vw, 2.1rem);
  font-weight: 700;
}

/* ---------------------------------------------------------------------
   Maturity breakdown pills
--------------------------------------------------------------------- */
.dsl-maturity-pills {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-4);
  list-style: none;
  margin: var(--space-4) 0 var(--space-5);
  padding: 0;
}

.dsl-maturity-pill {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-1);
  padding: var(--space-5) var(--space-3);
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
  background: color-mix(in srgb, var(--panel-2) 65%, transparent);
}

.dsl-maturity-val {
  font-size: 1.1rem;
  font-weight: 700;
}

.dsl-maturity-lab {
  font-size: var(--text-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--muted);
}

.dsl-maturity-pill--new { border-color: color-mix(in srgb, var(--accent) 35%, var(--border)); }
.dsl-maturity-pill--learning { border-color: color-mix(in srgb, var(--accent-3, var(--accent)) 40%, var(--border)); }
.dsl-maturity-pill--young { border-color: color-mix(in srgb, var(--accent-2) 35%, var(--border)); }
.dsl-maturity-pill--mature { border-color: color-mix(in srgb, var(--accent-2) 60%, var(--border)); }

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

/* Insights section label — same muted kicker weight as the in-panel
   .dsl-side-kicker siblings (Quick access / Data / Settings sections), which
   .panel p tones down. This section isn't inside a .panel, so match it here. */
.dsl-dash-section > .dsl-side-kicker {
  color: var(--muted);
  margin-bottom: var(--space-6);
}

/* ---------------------------------------------------------------------
   Backup panel — consistent card rhythm (kicker → title → note → actions →
   status), matching the other dashboard panels. Replaces per-element inline
   spacing so the vertical rhythm is defined in one place.
--------------------------------------------------------------------- */
.dsl-data-card > .dsl-side-kicker {
  margin-top: 0;
}
.dsl-data-card .dsl-dash-panel-title {
  margin: 0 0 var(--space-3);
}
.dsl-data-card > .small-note:not([id]) {
  margin: 0 0 var(--space-6);
}
.dsl-data-card > .small-note[id] {
  margin: var(--space-6) 0 0;
}
.dsl-data-card .btn-row {
  margin: 0;
}

.dsl-srs-backup-divider {
  margin: 18px 0;
  border-top: 1px dashed color-mix(in srgb, var(--border) 80%, transparent);
}

/* ---------------------------------------------------------------------
   Settings — responsive premium cards with a shared section rhythm.
   Long-form controls span the grid; smaller maintenance actions pair up.
--------------------------------------------------------------------- */
.settings-shell {
  display: grid;
  width: min(100%, 1180px);
  margin-inline: auto;
  gap: var(--space-8);
  padding-bottom: var(--space-4);
}

.settings-page-head {
  align-items: center;
  margin: 0;
  padding: var(--space-9) var(--space-10);
}

.settings-page-head .page-title {
  margin-bottom: var(--space-2);
}

.settings-card-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-8);
  align-items: start;
}

.dsl-settings-section.settings-card {
  min-width: 0;
  margin: 0;
  padding: var(--space-9);
  border-top: 1px solid var(--border);
  box-shadow: var(--shadow-sm), inset 0 1px 0 color-mix(in srgb, var(--text) 5%, transparent);
}

.settings-card--full {
  grid-column: 1 / -1;
}

.dsl-settings-section > .dsl-side-kicker {
  margin-top: 0;
  margin-bottom: var(--space-6);
}

.dsl-settings-section > .grid-2 {
  margin-top: var(--space-5);
}

.settings-field--full {
  grid-column: 1 / -1;
}

.settings-theme-segment {
  width: min(100%, 440px);
  max-width: none;
  margin-top: var(--space-4);
}

.settings-theme-segment .theme-segment-btn {
  min-height: 44px;
}

.settings-theme-segment .theme-segment-btn[aria-checked='true'] {
  color: var(--text);
  border-color: color-mix(in srgb, var(--accent) 42%, var(--border));
}

.settings-option-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-5);
  margin-top: var(--space-8);
}

.settings-option-row.checkbox-row {
  display: flex;
  align-items: center;
  min-height: 56px;
  margin: 0;
  padding: var(--space-5) var(--space-7);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  background: color-mix(in srgb, var(--panel-3) 82%, transparent);
  color: var(--text);
  font-size: var(--text-lg);
  font-weight: 600;
  letter-spacing: 0;
  line-height: 1.35;
  text-transform: none;
  cursor: pointer;
  transition: border-color var(--motion-fast) ease, background var(--motion-fast) ease;
}

.settings-option-row.checkbox-row:hover {
  border-color: color-mix(in srgb, var(--accent) 38%, var(--border));
  background: color-mix(in srgb, var(--accent) 8%, var(--panel-3));
}

.settings-option-row.checkbox-row:focus-within {
  outline: var(--focus-ring-width) solid var(--focus-ring-color);
  outline-offset: var(--focus-ring-offset);
}

.settings-option-row.checkbox-row input {
  flex: 0 0 auto;
  width: 20px;
  height: 20px;
  margin: 0;
  accent-color: var(--accent);
}

.settings-option-row.dsl-srs-direction-disabled {
  cursor: not-allowed;
}

.settings-card-actions {
  margin-top: var(--space-6);
}

.settings-action-footer {
  position: sticky;
  z-index: var(--z-sticky);
  bottom: var(--space-6);
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  align-items: center;
  gap: var(--space-6) var(--space-8);
  margin: 0;
  padding: var(--space-6) var(--space-7);
  border-color: color-mix(in srgb, var(--accent) 24%, var(--border));
  background: color-mix(in srgb, var(--panel) 94%, transparent);
  box-shadow: var(--shadow-md);
  backdrop-filter: blur(18px) saturate(1.12);
  -webkit-backdrop-filter: blur(18px) saturate(1.12);
}

.settings-action-footer__buttons {
  margin: 0;
  flex-wrap: nowrap;
}

.settings-action-footer__status {
  min-width: 0;
}

.settings-action-footer__status p {
  margin: 0;
}

.settings-action-footer__status p + p {
  margin-top: var(--space-1);
}

@media (max-width: 760px) {
  .settings-card-grid,
  .settings-option-grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .settings-card--full,
  .settings-field--full {
    grid-column: auto;
  }

  .settings-page-head,
  .dsl-settings-section.settings-card {
    padding: var(--space-8);
  }

  .settings-action-footer {
    grid-template-columns: minmax(0, 1fr);
  }
}

@media (max-width: 640px) {
  .settings-shell {
    gap: var(--space-6);
  }

  .settings-action-footer {
    bottom: calc(74px + env(safe-area-inset-bottom, 0px));
  }

  .settings-action-footer__buttons {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    width: 100%;
  }

  .settings-action-footer__buttons > * {
    min-width: 0;
  }
}
/* Helper text sitting under a label/kicker, before its control. */
.dsl-help-note {
  margin: var(--space-2) 0 var(--space-5);
}
/* Helper text sitting under a control, as a footnote. */
.dsl-foot-note {
  margin: var(--space-3) 0 0;
}

/* ---------------------------------------------------------------------
   Settings: Spaced repetition section
--------------------------------------------------------------------- */
.dsl-srs-slider-row {
  display: flex;
  align-items: center;
  gap: var(--space-6);
  flex-wrap: wrap;
}

.dsl-srs-slider-row input[type="range"] {
  flex: 1;
  min-width: 180px;
  accent-color: var(--accent);
}

.dsl-srs-slider-label {
  min-width: 3.5rem;
  font-variant-numeric: tabular-nums;
  font-size: 0.85rem;
  color: var(--text);
}

.dsl-srs-directions-row {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  margin-top: var(--space-5);
}

.dsl-srs-directions-row > .dsl-label {
  margin-bottom: 0;
}

.dsl-srs-direction-disabled {
  opacity: 0.6;
}

/* Study scope select (replaces the v8 studyAllDecks checkbox). */
.dsl-scope-field {
  margin-top: var(--space-6);
}

.dsl-scope-field select {
  width: 100%;
  max-width: 320px;
}

.dsl-scope-note {
  margin-top: var(--space-3);
}

/* ---------------------------------------------------------------------
   Offline audio card (Settings · Deliverable 3) — divider comes from the
   shared .dsl-settings-section rhythm above.
--------------------------------------------------------------------- */
.dsl-offline-audio-status {
  color: var(--text);
  font-variant-numeric: tabular-nums;
}
.dsl-offline-audio-progress {
  margin-top: var(--space-3);
  color: var(--muted);
  font-variant-numeric: tabular-nums;
}

/* v11 sweep: range sliders are interactive controls — 44px tap target. */
.dsl-srs-slider-row input[type="range"] { min-height: 44px; }