/* ─────────────────────────────────────────────────────────────────────────
   Meridian — component recipes
   Aurora primitives (.card / .btn / .badge / .input / .chip) plus the
   finance-specific pieces a portfolio cockpit needs: data tables, segmented
   controls, toggle switches, skeletons, score meters, KPI deltas.
   ───────────────────────────────────────────────────────────────────────── */

* { box-sizing: border-box; }

html, body, #app {
  margin: 0;
  height: 100%;
  background: var(--bg-app);
  color: var(--fg-1);
  font-family: var(--font-sans);
  font-size: var(--fs-base);
  line-height: var(--lh-body);
  -webkit-font-smoothing: antialiased;
  letter-spacing: -0.005em;
}
body { transition: background .2s ease, color .2s ease; }

a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; }
input, select, textarea { font-family: inherit; }

/* ── Typography helpers ───────────────────────────────────────────────────── */
.muted { color: var(--fg-2); }
.muted-2 { color: var(--fg-3); }
.mono { font-family: var(--font-mono); font-variant-numeric: tabular-nums; }
.tabular { font-variant-numeric: tabular-nums; }
.tracking-tight { letter-spacing: var(--tracking-tight); }
.tracking-tighter { letter-spacing: var(--tracking-tighter); }
.caps {
  text-transform: uppercase;
  letter-spacing: var(--tracking-caps);
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  color: var(--fg-3);
}
.pos { color: var(--pos-fg); }
.neg { color: var(--neg-fg); }

/* ── Card ─────────────────────────────────────────────────────────────────── */
.card {
  background: var(--bg-surface);
  border: 1px solid var(--border-1);
  border-radius: var(--radius-4);
  padding: var(--space-5);
  box-shadow: var(--elev-1);
}
.card-flat {
  background: var(--bg-surface);
  border: 1px solid var(--border-1);
  border-radius: var(--radius-4);
  padding: var(--space-5);
}
.card-pad-0 { padding: 0; overflow: hidden; }
.card-hover { transition: box-shadow .15s, border-color .15s, transform .15s; }
.card-hover:hover { box-shadow: var(--elev-2); border-color: var(--border-2); }
.card-tint {
  background: linear-gradient(140deg, var(--signal-bg), var(--bg-surface));
  border-color: var(--signal-border);
}

/* ── Button ───────────────────────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 8px 14px;
  font-size: var(--fs-sm);
  font-weight: var(--fw-medium);
  letter-spacing: -0.005em;
  background: var(--bg-surface);
  color: var(--fg-1);
  border: 1px solid var(--border-1);
  border-radius: var(--radius-pill);
  box-shadow: var(--elev-1);
  white-space: nowrap;
  transition: box-shadow .15s, background .15s, border-color .15s, color .15s;
}
.btn:hover { box-shadow: var(--elev-2); background: var(--bg-sunken); }
.btn:focus-visible { outline: 2px solid var(--sage-500); outline-offset: 1px; }
.btn:disabled { opacity: 0.55; cursor: not-allowed; box-shadow: none; }

.btn-primary { background: var(--sage-700); color: #fff; border-color: var(--sage-700); }
.btn-primary:hover { background: var(--sage-800); border-color: var(--sage-800); color: #fff; }
:root[data-theme="dark"] .btn-primary { color: var(--fg-inv); }

.btn-ghost { background: transparent; border-color: transparent; box-shadow: none; color: var(--fg-2); }
.btn-ghost:hover { background: var(--bg-sunken); color: var(--fg-1); }

.btn-danger { background: transparent; color: var(--danger-accent); border-color: var(--border-1); }
.btn-danger:hover { background: var(--danger-bg); border-color: var(--danger-accent); }

.btn-sm { padding: 5px 11px; font-size: var(--fs-xs); gap: 5px; }
.btn-xs { padding: 3px 8px; font-size: 11px; gap: 4px; border-radius: var(--radius-3); }
.btn-block { width: 100%; }

.btn .lucide { width: 14px; height: 14px; stroke-width: 1.75; flex-shrink: 0; }
.btn-sm .lucide { width: 12px; height: 12px; }

.btn-icon {
  padding: 0; width: 34px; height: 34px;
  border-radius: var(--radius-pill);
  display: inline-flex; align-items: center; justify-content: center;
}
.btn-icon .lucide { width: 15px; height: 15px; }

/* ── Badge (classification + signal chips) ────────────────────────────────── */
.badge {
  display: inline-flex; align-items: center; gap: 5px;
  padding: 2px 9px; font-size: 11px; font-weight: var(--fw-medium);
  border-radius: var(--radius-pill); letter-spacing: -0.005em; white-space: nowrap;
}
.badge::before { content: ""; width: 6px; height: 6px; border-radius: 999px; flex-shrink: 0; }
.badge-signal { background: var(--signal-bg); color: var(--signal-fg); }
.badge-signal::before { background: var(--signal-accent); }
.badge-mixed { background: var(--mixed-bg); color: var(--mixed-fg); }
.badge-mixed::before { background: var(--mixed-accent); }
.badge-hype { background: var(--hype-bg); color: var(--hype-fg); }
.badge-hype::before { background: var(--hype-accent); }
.badge-uncertain { background: var(--uncertain-bg); color: var(--uncertain-fg); }
.badge-uncertain::before { background: var(--uncertain-accent); }
.badge-sky { background: var(--sky-bg); color: var(--sky-fg); }
.badge-sky::before { background: var(--sky-accent); }

/* buy / hold / sell */
.badge-buy { background: var(--buy-bg); color: var(--buy-fg); }
.badge-buy::before { background: var(--buy-accent); }
.badge-hold { background: var(--hold-bg); color: var(--hold-fg); }
.badge-hold::before { background: var(--hold-accent); }
.badge-sell { background: var(--sell-bg); color: var(--sell-fg); }
.badge-sell::before { background: var(--sell-accent); }

/* status (connections / jobs) */
.badge-ok { background: var(--signal-bg); color: var(--signal-fg); }
.badge-ok::before { background: var(--ok); }
.badge-warn { background: var(--mixed-bg); color: var(--mixed-fg); }
.badge-warn::before { background: var(--warn); }
.badge-err { background: var(--danger-bg); color: var(--danger-fg); }
.badge-err::before { background: var(--err); }
.badge-plain { background: var(--bg-tint); color: var(--fg-2); }
.badge-plain::before { display: none; }

/* dot-only status indicator */
.dot { width: 8px; height: 8px; border-radius: 999px; flex-shrink: 0; display: inline-block; }
.dot-ok { background: var(--ok); }
.dot-warn { background: var(--warn); }
.dot-err { background: var(--err); }
.dot-pulse { position: relative; }
.dot-pulse::after {
  content: ""; position: absolute; inset: -4px; border-radius: 999px;
  background: inherit; opacity: 0.35; animation: dotpulse 2s ease-out infinite;
}
@keyframes dotpulse { 0% { transform: scale(0.6); opacity: 0.5; } 100% { transform: scale(1.8); opacity: 0; } }

/* ── Chip ─────────────────────────────────────────────────────────────────── */
.chip {
  display: inline-flex; align-items: center; gap: 4px;
  padding: 2px 9px; font-size: var(--fs-xs);
  background: var(--bg-surface); border: 1px solid var(--border-1);
  color: var(--fg-2); border-radius: var(--radius-pill); white-space: nowrap;
}
.chip-tinted { background: var(--bg-tint); border-color: var(--border-1); }
.chip-selected { background: var(--sage-700); color: #fff; border-color: var(--sage-700); font-weight: var(--fw-medium); }

/* ── Input / Select / Textarea ────────────────────────────────────────────── */
.input {
  width: 100%; padding: 10px 14px;
  background: var(--bg-surface); color: var(--fg-1);
  border: 1px solid var(--border-1); border-radius: var(--radius-3);
  font-size: var(--fs-sm); box-shadow: var(--elev-1);
  transition: border-color .15s, box-shadow .15s;
}
.input::placeholder { color: var(--fg-3); }
.input:focus {
  outline: none; border-color: var(--sage-500);
  box-shadow: 0 0 0 3px var(--focus-ring);
}
.input-lg { padding: 12px 16px; font-size: var(--fs-base); }
.input-icon { position: relative; }
.input-icon .lucide { position: absolute; left: 13px; top: 50%; transform: translateY(-50%); color: var(--fg-3); pointer-events: none; }
.input-icon .input { padding-left: 38px; }

select.input {
  appearance: none;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%235E6B62' stroke-width='2'><polyline points='6 9 12 15 18 9'/></svg>");
  background-repeat: no-repeat; background-position: right 12px center; padding-right: 32px;
}
.label { font-size: var(--fs-xs); font-weight: var(--fw-medium); color: var(--fg-2); margin-bottom: 6px; display: block; }

/* ── Segmented control ────────────────────────────────────────────────────── */
.segmented {
  display: inline-flex; padding: 3px; gap: 2px;
  background: var(--bg-tint); border: 1px solid var(--border-1);
  border-radius: var(--radius-pill);
}
.segmented button {
  border: 0; background: transparent; color: var(--fg-2);
  padding: 5px 13px; font-size: var(--fs-xs); font-weight: var(--fw-medium);
  border-radius: var(--radius-pill); transition: background .15s, color .15s; white-space: nowrap;
}
.segmented button.active { background: var(--bg-surface); color: var(--fg-1); box-shadow: var(--elev-1); }

/* ── Toggle switch ────────────────────────────────────────────────────────── */
.switch {
  position: relative; width: 40px; height: 23px; flex-shrink: 0;
  border-radius: 999px; background: var(--border-2); border: 0;
  transition: background .18s; padding: 0;
}
.switch::after {
  content: ""; position: absolute; top: 2px; left: 2px;
  width: 19px; height: 19px; border-radius: 999px; background: #fff;
  box-shadow: var(--elev-1); transition: transform .18s;
}
.switch.on { background: var(--sage-600); }
.switch.on::after { transform: translateX(17px); }

/* ── Data table ───────────────────────────────────────────────────────────── */
.tbl { width: 100%; border-collapse: collapse; font-size: var(--fs-sm); }
.tbl thead th {
  text-align: left; font-weight: var(--fw-medium); color: var(--fg-3);
  font-size: 11px; letter-spacing: 0.02em; text-transform: uppercase;
  padding: 0 14px 10px; white-space: nowrap; user-select: none;
}
.tbl thead th.num { text-align: right; }
.tbl thead th.sortable { cursor: pointer; }
.tbl thead th.sortable:hover { color: var(--fg-1); }
.tbl tbody td { padding: 13px 14px; border-top: 1px solid var(--border-1); vertical-align: middle; }
.tbl tbody td.num { text-align: right; font-family: var(--font-mono); font-variant-numeric: tabular-nums; }
.tbl tbody tr { transition: background .12s; }
.tbl tbody tr.clickable { cursor: pointer; }
.tbl tbody tr.clickable:hover { background: var(--bg-sunken); }

/* score meter (AAQS) */
.meter { width: 56px; height: 6px; border-radius: 999px; background: var(--bg-tint); overflow: hidden; display: inline-block; vertical-align: middle; }
.meter > span { display: block; height: 100%; border-radius: 999px; }

/* fair-value gap bar */
.fvbar { display: inline-flex; align-items: center; gap: 8px; }
.fvbar .track { position: relative; width: 64px; height: 6px; border-radius: 999px; background: var(--bg-tint); }
.fvbar .track .mid { position: absolute; left: 50%; top: -2px; bottom: -2px; width: 1px; background: var(--border-strong); }
.fvbar .track .fill { position: absolute; top: 0; height: 100%; border-radius: 999px; }

/* ── KPI / Stat ───────────────────────────────────────────────────────────── */
.kpi-label { text-transform: uppercase; letter-spacing: var(--tracking-caps); font-family: var(--font-mono); font-size: 11px; font-weight: 500; color: var(--fg-3); }
.kpi-value { font-size: var(--fs-2xl); font-weight: var(--fw-semi); letter-spacing: var(--tracking-tighter); font-variant-numeric: tabular-nums; line-height: 1.05; }
.delta { display: inline-flex; align-items: center; gap: 3px; font-family: var(--font-mono); font-variant-numeric: tabular-nums; font-weight: 500; }
.delta .lucide { width: 13px; height: 13px; }

/* ── Avatar ───────────────────────────────────────────────────────────────── */
.avatar {
  width: 36px; height: 36px; border-radius: var(--radius-pill);
  background: var(--bg-tint); border: 1px solid var(--border-1);
  display: inline-flex; align-items: center; justify-content: center;
  font-size: 13px; font-weight: var(--fw-semi); color: var(--fg-2);
  overflow: hidden; flex-shrink: 0;
}
.avatar-sm { width: 28px; height: 28px; font-size: 11px; }
.avatar-lg { width: 48px; height: 48px; font-size: 16px; }

svg.lucide { stroke-width: 1.75; flex-shrink: 0; }

/* ── Skeleton ─────────────────────────────────────────────────────────────── */
.skel { background: linear-gradient(90deg, var(--bg-tint) 25%, var(--bg-sunken) 37%, var(--bg-tint) 63%); background-size: 400% 100%; animation: shimmer 1.4s ease infinite; border-radius: var(--radius-2); }
@keyframes shimmer { 0% { background-position: 100% 0; } 100% { background-position: -100% 0; } }

/* ── Animations ───────────────────────────────────────────────────────────── */
@keyframes spin { to { transform: rotate(360deg); } }
.spin { animation: spin 1.1s linear infinite; }
@keyframes pulse-soft { 0%, 100% { opacity: 1; } 50% { opacity: 0.45; } }
.pulse-soft { animation: pulse-soft 1.4s ease-in-out infinite; }
@keyframes rise { from { transform: translateY(9px); } to { transform: none; } }
.rise { animation: rise .42s cubic-bezier(.2,.7,.3,1) both; }
@media (prefers-reduced-motion: reduce) { .rise { animation: none; } }
@keyframes fade { from { opacity: 0; } to { opacity: 1; } }
.fade { animation: fade .25s ease both; }

/* ── Scrollbar ────────────────────────────────────────────────────────────── */
.scroll-nice { scrollbar-width: thin; scrollbar-color: var(--border-2) transparent; }
.scroll-nice::-webkit-scrollbar { width: 9px; height: 9px; }
.scroll-nice::-webkit-scrollbar-thumb { background: var(--border-2); border-radius: 999px; border: 2px solid var(--bg-app); }
.scroll-nice::-webkit-scrollbar-thumb:hover { background: var(--border-strong); }
.no-scrollbar::-webkit-scrollbar { display: none; }
.no-scrollbar { scrollbar-width: none; }

/* ── Progress bar ─────────────────────────────────────────────────────────── */
.progress { height: 6px; background: var(--bg-tint); border-radius: 999px; overflow: hidden; }
.progress > div { height: 100%; background: var(--sage-500); border-radius: 999px; transition: width .5s ease-out; }

.hr { height: 1px; background: var(--border-1); border: 0; margin: var(--space-4) 0; }

/* ── Markdown body (chat + research reader) ───────────────────────────────── */
.markdown-body { font-size: var(--fs-base); line-height: 1.65; color: var(--fg-1); }
.markdown-body > :first-child { margin-top: 0; }
.markdown-body > :last-child { margin-bottom: 0; }
.markdown-body p { margin: 0.65em 0; }
.markdown-body h1, .markdown-body h2, .markdown-body h3 {
  font-weight: var(--fw-semi); letter-spacing: var(--tracking-tight);
  margin: 1.3em 0 0.45em; line-height: var(--lh-snug);
}
.markdown-body h1 { font-size: var(--fs-xl); }
.markdown-body h2 { font-size: var(--fs-lg); }
.markdown-body h3 { font-size: var(--fs-md); }
.markdown-body code { background: var(--bg-tint); padding: 1px 5px; border-radius: 4px; font-family: var(--font-mono); font-size: 13px; }
.markdown-body ul, .markdown-body ol { padding-left: 20px; margin: 0.6em 0; }
.markdown-body li { margin: 5px 0; }
.markdown-body strong { font-weight: var(--fw-semi); }
.markdown-body a { color: var(--sage-700); text-decoration: underline; text-underline-offset: 2px; text-decoration-color: var(--sage-300); }
.markdown-body blockquote { border-left: 3px solid var(--sage-300); padding-left: 12px; color: var(--fg-2); margin: 0.8em 0; }
.markdown-body hr { border: 0; border-top: 1px solid var(--border-1); margin: 1.4em 0; }

/* Rich reader variant — comfortable reading measure + line-height for summaries */
.markdown-rich { line-height: 1.6; max-width: 760px; }
.markdown-rich h1 { font-size: var(--fs-xl); margin-top: 0.2em; }
.markdown-rich h2 { margin-top: 1.5em; padding-bottom: 0.3em; border-bottom: 1px solid var(--border-1); }
.markdown-rich h3 { margin-top: 1.25em; color: var(--fg-1); }
.markdown-rich p { margin: 0.7em 0; }
.markdown-rich li { margin: 6px 0; }

/* Tables (Eulerpool / AAQS blocks) */
.markdown-body .md-table-wrap { overflow-x: auto; margin: 1em 0; }
.markdown-body table, .markdown-body .md-table { border-collapse: collapse; width: 100%; font-size: 13px; }
.markdown-body th, .markdown-body td { border: 1px solid var(--border-1); padding: 7px 11px; text-align: left; vertical-align: top; }
.markdown-body thead th { background: var(--bg-tint); font-weight: var(--fw-semi); color: var(--fg-1); white-space: nowrap; }
.markdown-body tbody tr:nth-child(even) { background: var(--bg-sunken); }
.markdown-body td .mono, .markdown-body td code { white-space: nowrap; }

/* Fenced code blocks */
.markdown-body pre.md-pre { background: var(--bg-tint); border: 1px solid var(--border-1); border-radius: 8px; padding: 12px 14px; overflow-x: auto; margin: 1em 0; }
.markdown-body pre.md-pre code { background: none; padding: 0; font-size: 12.5px; line-height: 1.5; }
.markdown-body del { opacity: 0.65; }

/* chart tooltip override (Chart.js renders its own; we just keep crosshair subtle) */
.chart-wrap { position: relative; }