/* Dark trading-desk — single deliberate theme (no light variant).
   Text wears text tokens; green/red are reserved for polarity (P&L, deltas)
   and always ride with a +/− sign, never color alone. Figures are monospace
   tabular so columns of numbers align. */

:root {
  --bg: #0d1117;
  --panel: #161b22;
  --panel-2: #1c2129;
  --border: #30363d;
  --ink: #e6edf3;
  --ink-2: #9198a1;
  --ink-3: #6e7681;
  --up: #3fb950;
  --down: #f85149;
  --accent: #d29922;
  --mono: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
}

* { box-sizing: border-box; margin: 0; }
body {
  background: var(--bg); color: var(--ink);
  font: 15px/1.5 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

/* ---- chrome ---- */
.topbar {
  display: flex; align-items: center; gap: 16px;
  padding: 10px 20px; border-bottom: 1px solid var(--border);
}
.brand { font-weight: 700; }
.ticker { font-family: var(--mono); font-variant-numeric: tabular-nums; color: var(--ink-2); }
.status { margin-left: auto; color: var(--up); font-size: 11px; }
.status.stale { color: var(--accent); }

.tabs {
  display: flex; gap: 4px; padding: 0 12px;
  border-bottom: 1px solid var(--border); overflow-x: auto;
}
.tabs a {
  padding: 10px 14px; color: var(--ink-2); text-decoration: none;
  border-bottom: 2px solid transparent; white-space: nowrap; font-size: 14px;
}
.tabs a:hover { color: var(--ink); }
.tabs a.active { color: var(--ink); border-bottom-color: var(--accent); }

main { max-width: 1100px; margin: 0 auto; padding: 20px; display: grid; gap: 16px; }
.hidden { display: none !important; }

/* ---- tiles (hero numbers, not charts) ---- */
.tiles { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 16px; }
.tile { background: var(--panel); border: 1px solid var(--border); border-radius: 8px; padding: 16px 18px; }
.tile-label { font-size: 12px; text-transform: uppercase; letter-spacing: .06em; color: var(--ink-3); }
.tile-value {
  font-family: var(--mono); font-variant-numeric: tabular-nums;
  font-size: 30px; font-weight: 600; margin-top: 4px;
}
.tile-value.up { color: var(--up); }
.tile-value.down { color: var(--down); }
.tile-sub { font-size: 12.5px; color: var(--ink-2); margin-top: 4px; }

/* ---- panels ---- */
.panel { background: var(--panel); border: 1px solid var(--border); border-radius: 8px; padding: 16px 18px; }
.panel h2 { font-size: 15px; margin-bottom: 8px; }
.panel-head { display: flex; align-items: baseline; justify-content: space-between; }
.panel-meta { font-size: 12.5px; color: var(--ink-3); font-family: var(--mono); }
.muted-panel p { color: var(--ink-2); font-size: 14px; max-width: 60ch; }
.split { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 16px; }

.btn {
  margin-top: 12px; padding: 7px 14px; border-radius: 6px;
  border: 1px solid var(--border); background: var(--panel-2); color: var(--ink);
  font-size: 14px; cursor: pointer;
}
.btn:disabled { color: var(--ink-3); cursor: not-allowed; }

/* ---- tables ---- */
.table-wrap { overflow-x: auto; margin-top: 8px; }
table { border-collapse: collapse; width: 100%; font-size: 14px; }
th {
  text-align: left; color: var(--ink-3); font-weight: 500; font-size: 12px;
  text-transform: uppercase; letter-spacing: .05em;
  border-bottom: 1px solid var(--border); padding: 6px 10px;
}
td { padding: 7px 10px; border-bottom: 1px solid var(--panel-2); }
th.num, td.num { text-align: right; font-family: var(--mono); font-variant-numeric: tabular-nums; }
td.up { color: var(--up); }
td.down { color: var(--down); }
tr:hover td { background: var(--panel-2); }
.t-name { color: var(--ink-2); }
@media (max-width: 640px) { .t-name, td.name { display: none; } }

/* ---- thesis cards ---- */
.cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 12px; margin-top: 8px; }
.card { background: var(--panel-2); border: 1px solid var(--border); border-radius: 8px; padding: 12px 14px; }
.card h3 { font-size: 15px; font-family: var(--mono); }
.card .fair { font-family: var(--mono); font-variant-numeric: tabular-nums; font-size: 13.5px; color: var(--ink-2); margin-top: 6px; }
.card .date { font-size: 12px; color: var(--ink-3); margin-top: 6px; }

/* ---- forms, outputs, chart ---- */
.hint { color: var(--ink-2); font-size: 13.5px; max-width: 68ch; margin-bottom: 10px; }
.cmd-row { display: flex; gap: 8px; }
.cmd-row input {
  flex: 1; padding: 8px 12px; border-radius: 6px; border: 1px solid var(--border);
  background: var(--bg); color: var(--ink); font-size: 14px; font-family: var(--mono);
}
.cmd-row .btn { margin-top: 0; }
.btn-sm { margin-top: 0; padding: 3px 10px; font-size: 12.5px; }

.output {
  margin-top: 12px; padding: 12px 14px; border-radius: 6px;
  background: var(--bg); border: 1px solid var(--border);
  font-family: var(--mono); font-variant-numeric: tabular-nums;
  font-size: 13px; line-height: 1.55; white-space: pre-wrap; overflow-x: auto;
}
.output.rich { white-space: normal; font-family: inherit; font-size: 14px; }
.output.rich pre {
  font-family: var(--mono); font-variant-numeric: tabular-nums; font-size: 13px;
  background: var(--panel-2); border-radius: 6px; padding: 8px 10px; margin: 6px 0;
  overflow-x: auto;
}

.chart { margin-top: 8px; }
.chart .series { fill: none; stroke: var(--accent); stroke-width: 2; }
.chart .gridline { stroke: var(--panel-2); stroke-width: 1; }
.chart .tick { fill: var(--ink-3); font-family: var(--mono); font-size: 11px; }
.chart .crosshair { stroke: var(--ink-3); stroke-dasharray: 3 3; }
.chart .dot { fill: var(--accent); stroke: var(--bg); stroke-width: 2; }
.chart-tip {
  position: fixed; z-index: 5; pointer-events: none;
  background: var(--panel-2); border: 1px solid var(--border); border-radius: 6px;
  padding: 4px 10px; font-family: var(--mono); font-variant-numeric: tabular-nums;
  font-size: 12.5px; color: var(--ink);
}

/* ---- login ---- */
.login {
  position: fixed; inset: 0; background: var(--bg); z-index: 10;
  display: flex; align-items: center; justify-content: center;
}
.login-card { display: grid; gap: 12px; width: min(320px, 90vw); }
.login-card h1 { font-size: 20px; text-align: center; }
.login-card input {
  padding: 10px 12px; border-radius: 6px; border: 1px solid var(--border);
  background: var(--panel); color: var(--ink); font-size: 15px;
}
.login-card button {
  padding: 10px; border-radius: 6px; border: none;
  background: var(--accent); color: #0d1117; font-weight: 600; font-size: 15px; cursor: pointer;
}
.login-err { color: var(--down); font-size: 13px; text-align: center; min-height: 1em; }