/* ────────────────────────────────────────────────────────────
   Casentra — Design Tokens
   Royal blue accent · white surface · HK insurance workspace
   ──────────────────────────────────────────────────────────── */

:root {
  /* Surfaces */
  --bg: #FFFFFF;
  --bg-muted: #F7F8FB;
  --bg-subtle: #EDF0F7;
  --surface: #FFFFFF;

  /* Text */
  --text-primary: #0A1330;
  --text-secondary: #1F2942;
  --text-muted: #5A6478;
  --text-disabled: #98A0B3;

  /* Brand (royal blue) — driven by tweaks via .theme-* class */
  --brand: #1E3A8A;
  --brand-hover: #1E40AF;
  --brand-soft: #3B82F6;
  --brand-tint: rgba(30, 58, 138, 0.05);
  --brand-glow: rgba(30, 58, 138, 0.16);

  /* Borders */
  --border: rgba(10, 19, 48, 0.08);
  --border-strong: rgba(10, 19, 48, 0.14);
  --border-blue: rgba(30, 58, 138, 0.12);
  --border-blue-strong: rgba(30, 58, 138, 0.24);

  /* Status */
  --success: #166534;
  --success-bg: #ECFDF3;
  --warning: #B45309;
  --warning-bg: #FFFBEB;
  --danger: #B42318;
  --danger-bg: #FEF3F2;

  /* Radii */
  --r-card: 8px;
  --r-btn: 6px;
  --r-input: 6px;
  --r-pill: 999px;

  /* Shadows */
  --shadow-panel: 0 12px 32px -20px rgba(30, 58, 138, 0.22);
  --shadow-card: 0 1px 2px rgba(10, 19, 48, 0.04), 0 0 0 1px var(--border);
  --shadow-pop: 0 24px 48px -20px rgba(30, 58, 138, 0.28), 0 4px 12px rgba(10, 19, 48, 0.05);

  /* Type */
  --font-ui: "Inter", "Noto Sans TC", "PingFang TC", "Microsoft JhengHei", system-ui, sans-serif;
  --font-mono: "JetBrains Mono", "SF Mono", ui-monospace, monospace;

  /* Density (overridden by .density-compact / .density-cozy) */
  --pad-card: 16px;
  --gap-card: 12px;
  --pad-page-m: 16px;
  --pad-page-d: 32px;
  --row-h: 56px;
}

/* ─── Theme intensity (blue accent strength) ─── */
.theme-subtle {
  --brand: #2A4BA6;
  --brand-hover: #1E3A8A;
  --brand-soft: #4F7EE5;
  --brand-tint: rgba(30, 58, 138, 0.04);
  --brand-glow: rgba(30, 58, 138, 0.10);
  --border-blue: rgba(30, 58, 138, 0.10);
  --border-blue-strong: rgba(30, 58, 138, 0.18);
}
.theme-balanced {
  --brand: #1E3A8A;
  --brand-hover: #1E40AF;
  --brand-soft: #3B82F6;
  --brand-tint: rgba(30, 58, 138, 0.05);
  --brand-glow: rgba(30, 58, 138, 0.16);
}
.theme-bold {
  --brand: #1B348C;
  --brand-hover: #142A75;
  --brand-soft: #2563EB;
  --brand-tint: rgba(30, 58, 138, 0.09);
  --brand-glow: rgba(30, 58, 138, 0.24);
  --border-blue: rgba(30, 58, 138, 0.18);
  --border-blue-strong: rgba(30, 58, 138, 0.36);
}

/* ─── Density ─── */
.density-compact {
  --pad-card: 12px;
  --gap-card: 8px;
  --row-h: 48px;
}
.density-cozy {
  --pad-card: 20px;
  --gap-card: 16px;
  --row-h: 64px;
}

/* ─── Reset / base ─── */
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: var(--font-ui);
  color: var(--text-primary);
  background: var(--bg-muted);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
button { font-family: inherit; }
input, textarea { font-family: inherit; color: inherit; }
a { color: inherit; }

/* ─── Generic UI ─── */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  font-weight: 600; font-size: 14px; line-height: 1;
  border-radius: var(--r-btn);
  border: 1px solid transparent;
  padding: 0 14px; height: 36px;
  cursor: pointer; user-select: none;
  transition: background .15s ease, border-color .15s ease, color .15s ease, transform .05s ease;
  white-space: nowrap;
}
.btn:active { transform: translateY(0.5px); }
.btn-primary { background: var(--brand); color: #fff; }
.btn-primary:hover { background: var(--brand-hover); }
.btn-ghost { background: transparent; color: var(--text-secondary); }
.btn-ghost:hover { background: var(--bg-subtle); }
.btn-outline { background: var(--surface); color: var(--text-secondary); border-color: var(--border-strong); }
.btn-outline:hover { background: var(--bg-muted); border-color: var(--border-blue-strong); color: var(--brand); }
.btn-sm { height: 28px; padding: 0 10px; font-size: 12.5px; }
.btn-lg { height: 44px; padding: 0 18px; font-size: 15px; }

.chip {
  display: inline-flex; align-items: center; gap: 6px;
  height: 28px; padding: 0 10px;
  background: var(--bg-muted);
  border: 1px solid var(--border);
  border-radius: var(--r-pill);
  font-size: 12.5px; font-weight: 500; color: var(--text-secondary);
  cursor: pointer; white-space: nowrap;
  transition: background .12s ease, border-color .12s ease, color .12s ease;
}
.chip:hover { background: var(--brand-tint); border-color: var(--border-blue); color: var(--brand); }
.chip.active { background: var(--brand-tint); border-color: var(--border-blue-strong); color: var(--brand); }

/* Boundary badge */
.boundary-badge {
  display: inline-flex; align-items: center; gap: 6px;
  height: 24px; padding: 0 10px;
  background: var(--brand-tint);
  color: var(--brand);
  border-radius: var(--r-pill);
  font-size: 11.5px; font-weight: 600;
  letter-spacing: 0.01em;
  border: 1px solid var(--border-blue);
  white-space: nowrap;
}
.boundary-badge .dot {
  width: 6px; height: 6px; border-radius: 50%; background: currentColor;
  box-shadow: 0 0 0 3px rgba(30, 58, 138, 0.10);
}
.boundary-badge.warn { color: var(--warning); background: var(--warning-bg); border-color: rgba(180, 83, 9, 0.18); }
.boundary-badge.warn .dot { box-shadow: 0 0 0 3px rgba(180, 83, 9, 0.10); }
.boundary-badge.success { color: var(--success); background: var(--success-bg); border-color: rgba(22, 101, 52, 0.18); }
.boundary-badge.danger { color: var(--danger); background: var(--danger-bg); border-color: rgba(180, 35, 24, 0.18); }

/* Card */
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-card);
  padding: var(--pad-card);
}
.card-hover { transition: border-color .15s ease, box-shadow .15s ease, transform .15s ease; cursor: pointer; }
.card-hover:hover {
  border-color: var(--border-blue-strong);
  box-shadow: var(--shadow-panel);
}

/* Source chip */
.source-chip {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 4px 9px 4px 6px;
  background: var(--bg-muted);
  border: 1px solid var(--border);
  border-radius: var(--r-pill);
  font-size: 12px; font-weight: 500; color: var(--text-secondary);
  cursor: pointer;
  transition: background .12s, border-color .12s, color .12s;
  max-width: 100%;
}
.source-chip:hover { background: var(--brand-tint); border-color: var(--border-blue); color: var(--brand); }
.source-chip .idx {
  width: 16px; height: 16px; flex-shrink: 0;
  display: inline-flex; align-items: center; justify-content: center;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 4px;
  font: 600 10px/1 var(--font-mono);
  color: var(--brand);
}
.source-chip .name { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.source-chip .pg { color: var(--text-muted); font-size: 11px; font-variant-numeric: tabular-nums; }

/* Inline cite tag in answers */
.cite-tag {
  display: inline-flex; align-items: center; justify-content: center;
  min-width: 16px; height: 16px; padding: 0 4px;
  background: var(--brand-tint); color: var(--brand);
  font: 600 10px/1 var(--font-mono);
  border-radius: 4px;
  vertical-align: 1.5px;
  margin: 0 2px;
  cursor: pointer;
  border: 1px solid var(--border-blue);
}
.cite-tag:hover { background: var(--brand); color: #fff; }

/* Divider */
.divider { height: 1px; background: var(--border); width: 100%; }

/* Mono */
.mono { font-family: var(--font-mono); font-variant-numeric: tabular-nums; }

/* Streaming caret */
.stream-caret {
  display: inline-block; width: 7px; height: 14px;
  background: var(--brand); vertical-align: -2px;
  animation: blink 1s steps(2, end) infinite; margin-left: 1px;
  border-radius: 1px;
}
@keyframes blink { 50% { opacity: 0; } }

/* Subtle pulse for new */
@keyframes pulseBlue {
  0%, 100% { box-shadow: 0 0 0 0 var(--brand-glow); }
  50% { box-shadow: 0 0 0 6px transparent; }
}

/* Scrollbar styling for inner scroll regions */
.scroll {
  overflow-y: auto;
  scrollbar-width: thin;
  scrollbar-color: var(--border-strong) transparent;
}
.scroll::-webkit-scrollbar { width: 8px; height: 8px; }
.scroll::-webkit-scrollbar-thumb {
  background: var(--border-strong); border-radius: 4px;
  border: 2px solid transparent; background-clip: content-box;
}
.scroll::-webkit-scrollbar-thumb:hover { background: var(--text-disabled); background-clip: content-box; border: 2px solid transparent; }

/* Toast */
.toast {
  position: fixed; left: 50%; transform: translateX(-50%);
  bottom: 24px; z-index: 9999;
  background: var(--text-primary); color: #fff;
  padding: 10px 16px; border-radius: 8px;
  font-size: 13px; font-weight: 500;
  box-shadow: var(--shadow-pop);
  animation: toastIn .2s ease;
}
@keyframes toastIn { from { opacity: 0; transform: translate(-50%, 8px); } to { opacity: 1; transform: translate(-50%, 0); } }


/* ─── Daily Focus (Today screen) ─────────────────────────────────────────── */
.daily-focus-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 0;
  padding: 0;
  overflow: hidden;
  background: linear-gradient(178deg, var(--brand-tint) 0%, var(--surface) 60%);
  border: 1px solid var(--border-blue);
  box-shadow:
    0 1px 0 rgba(10,19,48,0.02),
    0 18px 40px -30px var(--brand-glow);
}
.daily-focus-card::before {
  content: "";
  position: absolute;
  top: 0; left: 0;
  width: 4px; height: 100%;
  background: linear-gradient(180deg, var(--brand) 0%, var(--brand-soft) 100%);
}

.daily-focus-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 14px 20px 12px 24px;
}
.daily-focus-head-left {
  display: flex;
  align-items: center;
  gap: 10px;
  min-width: 0;
}
.daily-focus-badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  height: 24px;
  padding: 0 10px 0 8px;
  background: var(--brand);
  color: #fff;
  border-radius: var(--r-pill);
  font: 600 11.5px/1 var(--font-ui);
  letter-spacing: 0.02em;
}
.daily-focus-badge svg { color: #fff; }
.daily-focus-conf {
  font: 500 11.5px/1 var(--font-mono);
  color: var(--text-muted);
  white-space: nowrap;
}
.daily-focus-head-right {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}
.daily-focus-stale {
  font: 500 11px/1 var(--font-ui);
  color: var(--text-disabled);
  letter-spacing: 0.01em;
}
.daily-focus-refresh {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  height: 26px;
  padding: 0 10px;
  background: transparent;
  color: var(--text-secondary);
  border: 1px solid var(--border-strong);
  border-radius: 6px;
  font: 500 12px/1 var(--font-ui);
  cursor: pointer;
  transition: color .12s, border-color .12s, background .12s;
}
.daily-focus-refresh:hover {
  color: var(--brand);
  border-color: var(--border-blue-strong);
  background: var(--brand-tint);
}

.daily-focus-hero {
  padding: 4px 24px 20px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.daily-focus-case-chip {
  align-self: flex-start;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 6px 12px 6px 6px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-pill);
  cursor: pointer;
  transition: border-color .12s, background .12s;
  max-width: 100%;
}
.daily-focus-case-chip:hover {
  border-color: var(--border-blue-strong);
  background: var(--brand-tint);
}
.daily-focus-case-chip-info {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 2px;
  line-height: 1;
}
.daily-focus-case-chip-name {
  font: 600 13.5px/1 var(--font-ui);
  color: var(--text-primary);
}
.daily-focus-case-chip-id {
  font: 500 10.5px/1 var(--font-mono);
  color: var(--text-muted);
}
.daily-focus-case-chip-tag {
  display: inline-flex;
  align-items: center;
  height: 22px;
  padding: 0 9px;
  background: var(--danger-bg);
  color: var(--danger);
  border-radius: var(--r-pill);
  font: 600 11px/1 var(--font-mono);
  letter-spacing: 0.02em;
}

.daily-focus-headline {
  margin: 0;
  font: 600 22px/1.3 var(--font-ui);
  letter-spacing: -0.01em;
  color: var(--text-primary);
  text-wrap: pretty;
}
.daily-focus-rationale {
  margin: 0;
  font: 400 13.5px/1.65 var(--font-ui);
  color: var(--text-secondary);
  text-wrap: pretty;
  max-width: 64ch;
}

.daily-focus-actions {
  background: var(--surface);
  border-top: 1px solid var(--border);
  padding: 14px 24px 16px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.daily-focus-actions-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 8px;
  margin-bottom: 4px;
  font: 600 12px/1.3 var(--font-ui);
  color: var(--text-primary);
  letter-spacing: 0.02em;
  text-transform: uppercase;
}
.daily-focus-actions-meta {
  text-transform: none;
  font-weight: 400;
  letter-spacing: 0;
  color: var(--text-muted);
  font-size: 11.5px;
}
.daily-focus-action {
  display: grid;
  grid-template-columns: 60px 1fr auto;
  align-items: start;
  gap: 14px;
  padding: 12px 0;
  border-top: 1px solid var(--border);
}
.daily-focus-action:first-of-type { border-top: 0; padding-top: 4px; }
.daily-focus-action-time {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  height: 22px;
  padding: 0 7px;
  background: var(--bg-subtle);
  border-radius: 5px;
  font: 600 11.5px/1 var(--font-mono);
  color: var(--text-secondary);
  width: fit-content;
  margin-top: 2px;
}
.daily-focus-action-body { min-width: 0; }
.daily-focus-action-title {
  font: 500 13.5px/1.4 var(--font-ui);
  color: var(--text-primary);
  text-wrap: pretty;
}
.daily-focus-action-hint {
  display: flex;
  align-items: baseline;
  gap: 6px;
  margin-top: 4px;
  font: 400 12px/1.5 var(--font-ui);
  color: var(--text-muted);
  text-wrap: pretty;
}
.daily-focus-action-duration {
  flex-shrink: 0;
  font-family: var(--font-mono);
  font-size: 11.5px;
  color: var(--text-disabled);
}
.daily-focus-action-cta {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  height: 30px;
  padding: 0 12px;
  background: var(--surface);
  border: 1px solid var(--border-strong);
  border-radius: 6px;
  font: 500 12.5px/1 var(--font-ui);
  color: var(--text-secondary);
  cursor: pointer;
  transition: background .12s, color .12s, border-color .12s;
  white-space: nowrap;
  flex-shrink: 0;
}
.daily-focus-action-cta:hover {
  background: var(--brand-tint);
  border-color: var(--border-blue-strong);
  color: var(--brand);
}
.daily-focus-action-cta.primary {
  background: var(--brand);
  color: #fff;
  border-color: var(--brand);
}
.daily-focus-action-cta.primary:hover {
  background: var(--brand-hover);
  border-color: var(--brand-hover);
  color: #fff;
}

.daily-focus-alts {
  background: var(--bg-muted);
  border-top: 1px solid var(--border);
  padding: 12px 24px;
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
}
.daily-focus-alts-label {
  font: 600 11px/1 var(--font-ui);
  color: var(--text-muted);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  flex-shrink: 0;
}
.daily-focus-alts-list {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  flex: 1;
}
.daily-focus-alt {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 10px 6px 8px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  cursor: pointer;
  font: 400 12.5px/1 var(--font-ui);
  color: var(--text-secondary);
  transition: border-color .12s, background .12s, color .12s;
}
.daily-focus-alt:hover {
  border-color: var(--border-blue-strong);
  background: var(--brand-tint);
  color: var(--text-primary);
}
.daily-focus-alt-rank {
  font: 700 11px/1 var(--font-mono);
  color: var(--text-disabled);
}
.daily-focus-alt-name {
  font-weight: 600;
  color: var(--text-primary);
}
.daily-focus-alt-hint {
  color: var(--text-muted);
  font-size: 11.5px;
}
.daily-focus-alt-action {
  color: var(--text-muted);
  font-size: 12px;
  border-left: 1px solid var(--border);
  padding-left: 8px;
}

/* Mobile tweaks: tighten padding, stack action CTA below text */
@media (max-width: 760px) {
  .daily-focus-head { padding: 12px 16px 10px 18px; }
  .daily-focus-hero { padding: 4px 16px 16px; }
  .daily-focus-actions { padding: 12px 16px 14px; }
  .daily-focus-alts { padding: 10px 16px; gap: 8px; }
  .daily-focus-headline { font-size: 18px; }
  .daily-focus-action {
    grid-template-columns: 56px 1fr;
    grid-template-areas: "time body" "spacer cta";
    gap: 10px 12px;
  }
  .daily-focus-action-time { grid-area: time; }
  .daily-focus-action-body { grid-area: body; }
  .daily-focus-action-cta {
    grid-area: cta;
    justify-self: end;
    margin-top: 2px;
  }
}