/* KOSPI Leverage Flush Tracker — instrument-panel styling.
   Palette: dataviz reference instance (validated); dark designed first. */

:root {
  color-scheme: dark;
  --page: #0d0d0d;
  --surface: #1a1a19;
  --surface-2: #222220;
  --ink: #ffffff;
  --ink-2: #c3c2b7;
  --muted: #898781;
  --grid: #2c2c2a;
  --baseline: #383835;
  --border: rgba(255, 255, 255, 0.10);
  --series-1: #3987e5;  /* KOSPI index */
  --series-2: #d95926;  /* credit / leverage */
  --series-3: #199e70;  /* deposits */
  --series-4: #c98500;  /* unpaid balances */
  --series-5: #d55181;  /* forced selling */
  --series-7: #9085e9;  /* KOSDAQ credit */
  --status-good: #0ca30c;
  --status-warn: #fab219;
  --status-serious: #ec835a;
  --status-critical: #d03b3b;
  --kr-up: #e66767;     /* Korean convention: red = up */
  --kr-down: #3987e5;   /* blue = down */
  --mono: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  --sans: system-ui, -apple-system, "Segoe UI", sans-serif;
}
:root[data-theme="light"] {
  color-scheme: light;
  --page: #f9f9f7;
  --surface: #fcfcfb;
  --surface-2: #f0efec;
  --ink: #0b0b0b;
  --ink-2: #52514e;
  --muted: #898781;
  --grid: #e1e0d9;
  --baseline: #c3c2b7;
  --border: rgba(11, 11, 11, 0.10);
  --series-1: #2a78d6;
  --series-2: #eb6834;
  --series-3: #1baf7a;
  --series-4: #eda100;
  --series-5: #e87ba4;
  --series-7: #4a3aa7;
  --kr-up: #e34948;
  --kr-down: #2a78d6;
}

* { box-sizing: border-box; margin: 0; }
html { scroll-behavior: smooth; }
body {
  background: var(--page);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 14.5px;
  line-height: 1.45;
  padding: 0 clamp(12px, 3vw, 40px) 60px;
  max-width: 1340px;
  margin: 0 auto;
}
@media (prefers-reduced-motion: reduce) { * { transition: none !important; animation: none !important; } }

/* ---------- masthead ---------- */
.masthead {
  display: flex; align-items: flex-end; justify-content: space-between;
  padding: 26px 0 18px; gap: 16px; flex-wrap: wrap;
}
.eyebrow {
  font-family: var(--mono); font-size: 11px; letter-spacing: 0.14em;
  color: var(--muted); text-transform: uppercase; margin-bottom: 6px;
}
h1 { font-size: clamp(22px, 3.4vw, 32px); font-weight: 650; letter-spacing: -0.01em; }
.masthead-right { display: flex; gap: 8px; align-items: center; }
.badge {
  font-family: var(--mono); font-size: 12px; color: var(--ink-2);
  border: 1px solid var(--border); border-radius: 6px; padding: 5px 10px;
  background: var(--surface);
}
.badge .dot { display: inline-block; width: 7px; height: 7px; border-radius: 50%; margin-right: 6px; vertical-align: 1px; }
.ghost-btn {
  background: var(--surface); color: var(--ink-2); border: 1px solid var(--border);
  border-radius: 6px; width: 30px; height: 30px; cursor: pointer; font-size: 14px;
}
.ghost-btn:hover { color: var(--ink); border-color: var(--muted); }
.ghost-btn:focus-visible, button:focus-visible { outline: 2px solid var(--series-1); outline-offset: 2px; }

/* ---------- cards / layout ---------- */
.card {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: 10px; padding: 16px 18px;
}
.card-title {
  font-size: 13px; font-weight: 650; letter-spacing: 0.02em;
  margin-bottom: 12px; color: var(--ink);
}
.card-title .hint { display: block; font-weight: 400; color: var(--muted); font-size: 12px; margin-top: 3px; max-width: 72ch; }
main { display: flex; flex-direction: column; gap: 14px; }
section.hero { display: grid; grid-template-columns: minmax(0, 7fr) minmax(0, 5fr); gap: 14px; }
@media (max-width: 980px) { section.hero { grid-template-columns: 1fr; } }

/* ---------- state grid (signature) ---------- */
#state-grid { display: grid; grid-template-columns: 88px repeat(5, 1fr); gap: 4px; font-family: var(--mono); }
#state-grid .axis-label {
  font-size: 10px; color: var(--muted); display: flex; align-items: center;
  justify-content: flex-end; padding-right: 8px; text-align: right; line-height: 1.25;
}
#state-grid .axis-top { justify-content: center; padding: 0 0 2px; text-align: center; }
#state-grid .cell {
  border: 1px solid var(--grid); border-radius: 6px; padding: 7px 6px;
  font-size: 10px; line-height: 1.3; color: var(--muted); min-height: 46px;
  position: relative; background: var(--surface);
}
#state-grid .cell .cname { display: block; font-size: 10.5px; letter-spacing: 0.02em; }
#state-grid .cell.visited { border-color: var(--baseline); color: var(--ink-2); }
#state-grid .cell.visited::after {
  content: attr(data-visits); position: absolute; top: 4px; right: 6px;
  font-size: 9px; color: var(--muted);
}
#state-grid .cell.current {
  border-width: 2px; color: var(--ink); background: var(--surface-2);
}
#state-grid .cell.current .cname { font-weight: 700; }
.grid-path { font-family: var(--mono); font-size: 11px; color: var(--ink-2); margin-top: 12px; line-height: 1.8; }
.grid-path .arrow { color: var(--muted); padding: 0 2px; }

/* ---------- hero readout ---------- */
#state-headline .cell-name {
  font-family: var(--mono); font-size: 26px; font-weight: 700; letter-spacing: 0.01em;
  display: flex; align-items: center; gap: 10px;
}
#state-headline .cell-name .sicon { font-size: 18px; }
#state-headline .cell-meaning { color: var(--ink-2); margin: 6px 0 2px; max-width: 58ch; }
#state-headline .cell-sub { color: var(--muted); font-size: 12.5px; font-family: var(--mono); margin-bottom: 12px; }
#checklist { display: flex; flex-direction: column; gap: 6px; margin-top: 10px; }
.check {
  display: grid; grid-template-columns: 20px 1fr auto; gap: 8px; align-items: baseline;
  padding: 7px 10px; border: 1px solid var(--grid); border-radius: 7px; font-size: 13px;
}
.check .mark { font-family: var(--mono); font-weight: 700; }
.check.ok .mark { color: var(--status-good); }
.check.fail .mark { color: var(--status-critical); }
.check.fail.soft .mark { color: var(--status-warn); }
.check .lbl { color: var(--ink); }
.check .lbl small { display: block; color: var(--muted); font-size: 11.5px; }
.check .tag { font-family: var(--mono); font-size: 10px; color: var(--muted); text-transform: uppercase; letter-spacing: 0.08em; }
.regime-notes { margin-top: 12px; display: flex; flex-wrap: wrap; gap: 8px; }
.chip {
  font-family: var(--mono); font-size: 11.5px; border: 1px solid var(--border);
  border-radius: 6px; padding: 4px 9px; color: var(--ink-2); background: var(--surface);
}
.chip b { color: var(--ink); font-weight: 650; }

/* ---------- tiles ---------- */
.tiles { display: grid; grid-template-columns: repeat(auto-fit, minmax(196px, 1fr)); gap: 10px; }
.tile { background: var(--surface); border: 1px solid var(--border); border-radius: 10px; padding: 13px 15px; }
.tile .t-label { font-size: 11.5px; color: var(--muted); letter-spacing: 0.03em; }
.tile .t-value { font-family: var(--mono); font-size: 23px; font-weight: 650; margin: 3px 0 1px; }
.tile .t-value small { font-size: 13px; font-weight: 400; color: var(--ink-2); }
.tile .t-sub { font-size: 11.5px; color: var(--muted); font-family: var(--mono); }
.tile .t-sub .up { color: var(--kr-up); }
.tile .t-sub .down { color: var(--kr-down); }
.tile .spark { margin-top: 6px; }
.delta-up { color: var(--kr-up); }
.delta-down { color: var(--kr-down); }

/* ---------- flush gauge ---------- */
#flush-gauge { padding: 6px 4px 2px; }
.gauge-track {
  position: relative; height: 34px; background: var(--surface-2);
  border-radius: 7px; border: 1px solid var(--grid); overflow: visible;
}
.gauge-fill { position: absolute; inset: 0 auto 0 0; border-radius: 7px 0 0 7px; background: var(--series-2); opacity: 0.85; }
.gauge-marker { position: absolute; top: -6px; bottom: -6px; width: 2px; background: var(--ink-2); }
.gauge-marker .m-lbl {
  position: absolute; top: 100%; left: 50%; transform: translateX(-50%);
  font-family: var(--mono); font-size: 10.5px; color: var(--muted); white-space: nowrap; padding-top: 3px;
}
.gauge-marker.alt .m-lbl { top: auto; bottom: 100%; padding: 0 0 3px; }
.gauge-readout { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 8px; margin-top: 26px; font-family: var(--mono); font-size: 12px; color: var(--ink-2); }

/* ---------- charts ---------- */
.charts { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; }
.chart-card.wide { grid-column: 1 / -1; }
@media (max-width: 980px) { .charts { grid-template-columns: 1fr; } }
.chart { position: relative; }
.chart svg { display: block; width: 100%; height: auto; }
.chart .axis text { font-family: var(--mono); font-size: 10px; fill: var(--muted); }
.chart .gridline { stroke: var(--grid); stroke-width: 1; }
.chart .baseline { stroke: var(--baseline); stroke-width: 1; }
.chart .dlabel { font-family: var(--mono); font-size: 10.5px; }
.legend { display: flex; flex-wrap: wrap; gap: 12px; margin: 2px 0 6px; font-size: 11.5px; color: var(--ink-2); }
.legend .key { display: inline-block; width: 10px; height: 10px; border-radius: 3px; margin-right: 5px; vertical-align: -1px; }
.tooltip {
  position: fixed; z-index: 30; pointer-events: none; background: var(--surface-2);
  border: 1px solid var(--border); border-radius: 7px; padding: 8px 10px;
  font-family: var(--mono); font-size: 11.5px; color: var(--ink); box-shadow: 0 4px 18px rgba(0,0,0,0.35);
  max-width: 260px;
}
.tooltip .tt-date { color: var(--muted); margin-bottom: 4px; }
.tooltip .tt-row { display: flex; justify-content: space-between; gap: 14px; }
.tooltip .tt-row .k { color: var(--ink-2); }

/* ---------- evidence table ---------- */
.evidence table { width: 100%; border-collapse: collapse; font-family: var(--mono); font-size: 12px; }
.evidence th {
  text-align: right; font-weight: 500; color: var(--muted); padding: 6px 10px;
  border-bottom: 1px solid var(--baseline); font-size: 11px; letter-spacing: 0.04em;
}
.evidence td { text-align: right; padding: 6px 10px; border-bottom: 1px solid var(--grid); color: var(--ink-2); font-variant-numeric: tabular-nums; }
.evidence th:first-child, .evidence td:first-child { text-align: left; }
.evidence td.good { color: var(--status-good); }
.evidence td.bad { color: var(--status-critical); }
.evidence .bench-row td { color: var(--muted); font-style: italic; }
.benchmark-note { margin-top: 12px; font-size: 12.5px; color: var(--ink-2); max-width: 90ch; }
.benchmark-note b { color: var(--ink); }
.table-scroll { overflow-x: auto; }

/* ---------- transitions & context ---------- */
.two-col { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
@media (max-width: 980px) { .two-col { grid-template-columns: 1fr; } }
.transition { display: grid; grid-template-columns: 84px 1fr; gap: 10px; padding: 7px 0; border-bottom: 1px solid var(--grid); font-size: 12.5px; }
.transition:last-child { border-bottom: 0; }
.transition .t-date { font-family: var(--mono); color: var(--muted); font-size: 11.5px; }
.transition .t-move { color: var(--ink); font-family: var(--mono); font-size: 12px; }
.transition .t-trigger { color: var(--muted); font-size: 11.5px; margin-top: 2px; }
.ctx-item { padding: 7px 0; border-bottom: 1px solid var(--grid); font-size: 12.5px; color: var(--ink-2); }
.ctx-item:last-child { border-bottom: 0; }
.ctx-item .d { font-family: var(--mono); color: var(--muted); font-size: 11px; margin-right: 8px; }

/* ---------- caveats ---------- */
.caveats ul { padding-left: 18px; color: var(--ink-2); font-size: 13px; display: flex; flex-direction: column; gap: 6px; }
footer { margin-top: 26px; color: var(--muted); font-size: 11.5px; display: flex; flex-direction: column; gap: 3px; padding-bottom: 20px; }