/* prawn.trade — sea-creature spectator UI. Vanilla CSS, dark "deep ocean" theme. */
:root {
  --bg: #0a1622;
  --bg-2: #0f2030;
  --panel: #122a3d;
  --panel-2: #16344a;
  --ink: #e6f1ff;
  --ink-dim: #8da9c4;
  --line: #1d3a52;
  --up: #2ecc71;
  --down: #ff5e7d;
  --accent: #ff6b9d; /* prawn pink */
  --accent-2: #54aeff;
  --shadow: 0 2px 12px rgba(0, 0, 0, 0.35);
  --radius: 12px;
}
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  background: linear-gradient(180deg, var(--bg), var(--bg-2));
  color: var(--ink);
  font: 15px/1.5 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  min-height: 100vh;
}
a { color: var(--accent-2); text-decoration: none; }
a:hover { text-decoration: underline; }

.wrap { max-width: 1180px; margin: 0 auto; padding: 0 16px 64px; }

/* Header / status bar */
header.topbar {
  position: sticky; top: 0; z-index: 10;
  background: rgba(10, 22, 34, 0.92); backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}
.topbar-inner {
  max-width: 1180px; margin: 0 auto; padding: 12px 16px;
  display: flex; align-items: center; gap: 16px; flex-wrap: wrap;
}
.brand { font-size: 22px; font-weight: 800; letter-spacing: -0.5px; }
.brand .pink { color: var(--accent); }
.status-pills { display: flex; gap: 8px; align-items: center; margin-left: auto; flex-wrap: wrap; }
.pill {
  font-size: 12px; padding: 4px 10px; border-radius: 999px;
  background: var(--panel); border: 1px solid var(--line); color: var(--ink-dim);
}
.pill .dot { display: inline-block; width: 8px; height: 8px; border-radius: 50%; margin-right: 6px; vertical-align: middle; }
.pill.open .dot { background: var(--up); box-shadow: 0 0 8px var(--up); }
.pill.closed .dot { background: var(--down); }
.pill.pre-open .dot { background: #f0b429; }

nav.tabs { display: flex; gap: 4px; margin: 18px 0; flex-wrap: wrap; }
nav.tabs button {
  background: var(--panel); color: var(--ink-dim); border: 1px solid var(--line);
  padding: 8px 16px; border-radius: 999px; cursor: pointer; font-size: 14px; font-weight: 600;
}
nav.tabs button.active { background: var(--accent); color: #1a0010; border-color: var(--accent); }

.panel { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow); padding: 16px; margin-bottom: 16px; }
.panel h2 { margin: 0 0 12px; font-size: 16px; }
.muted { color: var(--ink-dim); }
.grid-2 { display: grid; grid-template-columns: 1fr 360px; gap: 16px; align-items: start; }
@media (max-width: 860px) { .grid-2 { grid-template-columns: 1fr; } }

/* Tables */
table { width: 100%; border-collapse: collapse; font-size: 14px; }
th, td { text-align: right; padding: 9px 10px; border-bottom: 1px solid var(--line); white-space: nowrap; }
th:first-child, td:first-child { text-align: left; }
th { color: var(--ink-dim); font-weight: 600; font-size: 12px; text-transform: uppercase; letter-spacing: 0.5px; }
tbody tr { cursor: pointer; }
tbody tr:hover { background: var(--panel-2); }
.up { color: var(--up); }
.down { color: var(--down); }
.bot-emoji { font-size: 18px; margin-right: 6px; }
.rank { color: var(--ink-dim); width: 28px; display: inline-block; }
.dots { letter-spacing: 2px; font-size: 12px; }
.dots .w { color: var(--up); }
.dots .l { color: var(--down); }
.badge { font-size: 11px; padding: 2px 7px; border-radius: 6px; font-weight: 700; }
.badge.long { background: rgba(46,204,113,0.15); color: var(--up); }
.badge.short { background: rgba(255,94,125,0.15); color: var(--down); }

/* Tape */
.tape { max-height: 520px; overflow-y: auto; }
.tape-row { display: flex; gap: 8px; align-items: baseline; padding: 7px 4px; border-bottom: 1px solid var(--line); font-size: 13px; }
.tape-row .t { color: var(--ink-dim); font-variant-numeric: tabular-nums; font-size: 11px; min-width: 52px; }
.tape-row.close { opacity: 0.92; }

/* Markets grid */
.market-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(180px, 1fr)); gap: 10px; }
.mkt-card { background: var(--panel-2); border: 1px solid var(--line); border-radius: 10px; padding: 12px; cursor: pointer; }
.mkt-card .sym { font-weight: 700; }
.mkt-card .price { font-size: 20px; font-variant-numeric: tabular-nums; }
.spark { width: 100%; height: 34px; display: block; margin-top: 6px; }

/* Charts */
.chart { width: 100%; height: 320px; display: block; }
.legend { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 10px; font-size: 12px; }
.legend span { display: inline-flex; align-items: center; gap: 5px; }
.legend i { width: 10px; height: 10px; border-radius: 2px; display: inline-block; }

/* Decision cards */
.card { background: var(--panel-2); border: 1px solid var(--line); border-radius: 10px; padding: 10px 12px; margin-bottom: 8px; }
.card .hd { font-weight: 600; }
.card .sub { color: var(--ink-dim); font-size: 12px; }

.kpis { display: grid; grid-template-columns: repeat(auto-fit, minmax(120px, 1fr)); gap: 10px; }
.kpi { background: var(--panel-2); border: 1px solid var(--line); border-radius: 10px; padding: 12px; }
.kpi .v { font-size: 22px; font-weight: 700; font-variant-numeric: tabular-nums; }
.kpi .k { color: var(--ink-dim); font-size: 12px; }

footer { text-align: center; color: var(--ink-dim); font-size: 12px; padding: 24px 0; }
.back { display: inline-block; margin: 16px 0; }