@import url("https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&family=JetBrains+Mono:wght@400;500;600&display=swap");

:root {
  --bg: #0b0e13;
  --bg-2: #10151c;
  --surface: #151b24;
  --surface-2: #1b232e;
  --surface-3: #222c39;
  --line: #243040;
  --line-strong: #31405280;
  --ink: #e8edf3;
  --ink-2: #b4bfcc;
  --ink-3: #7d8a99;
  --ink-4: #56636f;
  --accent: #f2b544;
  --accent-2: #ffd27a;
  --accent-dim: #f2b54422;
  --long: #34d399;
  --long-dim: #34d39922;
  --short: #f87171;
  --short-dim: #f8717122;
  --info: #60a5fa;
  --info-dim: #60a5fa22;
  --warn: #fbbf24;
  --ok: #34d399;
  --error: #f87171;
  --shadow: 0 1px 0 #ffffff06 inset, 0 8px 24px -12px #00000099;
  --radius: 12px;
  --radius-sm: 8px;
  --sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
  --mono: "JetBrains Mono", "IBM Plex Mono", Menlo, Consolas, monospace;
}

* { box-sizing: border-box; }
html { color-scheme: dark; }
body {
  margin: 0; padding: 0; background: var(--bg); color: var(--ink);
  font-family: var(--sans); font-size: 13.5px; line-height: 1.5;
  background-image: radial-gradient(1200px 600px at 20% -10%, #1a2433 0%, transparent 60%), radial-gradient(900px 500px at 100% 0%, #1c1a12 0%, transparent 55%);
  background-attachment: fixed;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--info); text-decoration: none; }
a:hover { text-decoration: underline; }
button { font: inherit; }
code, .mono, .num, td.num, th.num { font-family: var(--mono); font-variant-numeric: tabular-nums; }
.mono { font-size: 12px; }
h1, h2, h3, h4 { margin: 0; font-weight: 600; letter-spacing: -0.01em; }
p { margin: 0 0 8px; }

/* ---------------------------------------------------------------- header */
header {
  position: sticky; top: 0; z-index: 10;
  display: flex; align-items: center; gap: 14px; flex-wrap: wrap;
  padding: 10px 22px; background: #0b0e13d9; backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.brand { display: flex; align-items: center; gap: 10px; cursor: pointer; user-select: none; }
.brand .mark { width: 28px; height: 28px; display: grid; place-items: center; border-radius: 8px; background: linear-gradient(145deg, #2a3446, #151b24); border: 1px solid var(--line-strong); }
.brand .mark svg { width: 18px; height: 18px; }
.brand .word { font-weight: 700; font-size: 15px; letter-spacing: 0.01em; }
.brand .word span { color: var(--accent); }
header .spacer { flex: 1; }
header .clock { color: var(--ink-3); font-family: var(--mono); font-size: 12px; }
header .clock b { color: var(--ink-2); font-weight: 500; }
.cost { display: flex; flex-direction: column; gap: 3px; min-width: 190px; }
.cost .label { display: flex; justify-content: space-between; font-family: var(--mono); font-size: 11px; color: var(--ink-3); }
.cost .label b { color: var(--ink-2); font-weight: 500; }
.cost .bar { height: 4px; background: var(--surface-3); border-radius: 2px; overflow: hidden; }
.cost .bar i { display: block; height: 100%; background: linear-gradient(90deg, var(--accent), var(--accent-2)); border-radius: 2px; }

/* ---------------------------------------------------------------- badges */
.badge {
  display: inline-flex; align-items: center; gap: 5px; padding: 2px 8px; border-radius: 999px;
  font-family: var(--mono); font-size: 11px; font-weight: 500; letter-spacing: 0.04em; text-transform: uppercase;
  border: 1px solid var(--line-strong); color: var(--ink-3); background: var(--surface-2); white-space: nowrap;
}
.badge::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: currentColor; opacity: 0.85; }
.badge.plain::before { display: none; }
.badge.live, .badge.on, .badge.error, .badge.short { color: var(--short); background: var(--short-dim); border-color: #f8717155; }
.badge.shadow, .badge.info { color: var(--info); background: var(--info-dim); border-color: #60a5fa55; }
.badge.ok, .badge.long { color: var(--long); background: var(--long-dim); border-color: #34d39955; }
.badge.warn, .badge.no_trade { color: var(--warn); background: #fbbf2422; border-color: #fbbf2455; }
.badge.neutral { color: var(--ink-2); }
.badge.accent { color: var(--accent); background: var(--accent-dim); border-color: #f2b54455; }

/* --------------------------------------------------------------- buttons */
.btn {
  display: inline-flex; align-items: center; gap: 6px; padding: 6px 12px; border-radius: var(--radius-sm);
  background: var(--surface-2); color: var(--ink); border: 1px solid var(--line-strong); cursor: pointer;
  font-weight: 500; font-size: 12.5px; transition: background 0.15s, border-color 0.15s, transform 0.05s;
}
.btn:hover { background: var(--surface-3); border-color: #3f4f63; }
.btn:active { transform: translateY(1px); }
.btn.small { padding: 4px 9px; font-size: 12px; }
.btn.primary { background: var(--accent); color: #1a1406; border-color: var(--accent); }
.btn.primary:hover { background: var(--accent-2); border-color: var(--accent-2); }
.btn.danger { color: var(--short); border-color: #f8717155; background: var(--short-dim); }
.btn.danger:hover { background: #f8717133; }
.btn.danger.active { background: var(--short); color: #fff; border-color: var(--short); }
.btn.ghost { background: transparent; border-color: transparent; color: var(--ink-3); }
.btn.ghost:hover { background: var(--surface-2); color: var(--ink); }
.btn:disabled { opacity: 0.5; cursor: default; }

/* ------------------------------------------------------------------ tabs */
nav.tabs { display: flex; gap: 4px; padding: 10px 22px 0; border-bottom: 1px solid var(--line); background: #0b0e1399; flex-wrap: wrap; }
nav.tabs button {
  background: none; border: none; color: var(--ink-3); padding: 8px 12px 10px; cursor: pointer; font-weight: 500; font-size: 13px;
  border-bottom: 2px solid transparent; margin-bottom: -1px; border-radius: 6px 6px 0 0;
}
nav.tabs button:hover { color: var(--ink); background: var(--surface); }
nav.tabs button.active { color: var(--ink); border-bottom-color: var(--accent); }

/* ---------------------------------------------------------------- layout */
main { padding: 18px 22px 80px; max-width: 1560px; margin: 0 auto; }
section.tab { display: none; }
section.tab.active { display: block; animation: fade 0.18s ease-out; }
@keyframes fade { from { opacity: 0; transform: translateY(3px); } to { opacity: 1; transform: none; } }
.grid { display: grid; gap: 16px; }
.grid.cols-2 { grid-template-columns: repeat(auto-fit, minmax(440px, 1fr)); }
.grid.cols-3 { grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); }
.grid.side { grid-template-columns: 360px 1fr; }
.span-2 { grid-column: 1 / -1; }
.card {
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 14px 16px; min-width: 0; box-shadow: var(--shadow);
}
.card h3 {
  display: flex; align-items: center; gap: 8px; margin: 0 0 10px; font-size: 11.5px; font-weight: 600; letter-spacing: 0.08em; text-transform: uppercase; color: var(--ink-3);
}
.card h3 .right { margin-left: auto; font-weight: 400; text-transform: none; letter-spacing: 0; display: flex; align-items: center; gap: 8px; }
.card h4 { font-size: 11px; font-weight: 600; letter-spacing: 0.08em; text-transform: uppercase; color: var(--ink-3); margin: 14px 0 6px; }
.kv { display: grid; grid-template-columns: max-content 1fr; gap: 4px 14px; font-size: 13px; margin: 0; }
.kv dt { color: var(--ink-3); }
.kv dd { margin: 0; min-width: 0; }
.muted { color: var(--ink-3); }
.dim { color: var(--ink-4); }
.small { font-size: 12px; }
.row { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }
.stack { display: flex; flex-direction: column; gap: 6px; }
.toolbar { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; margin-bottom: 14px; }
.thesis { border-left: 3px solid var(--accent); padding: 6px 0 6px 12px; margin: 10px 0; color: var(--ink); font-size: 13.5px; line-height: 1.55; }
.wrong-if { border-left: 3px solid var(--short); padding: 6px 0 6px 12px; margin: 10px 0; font-size: 12.5px; color: var(--ink-2); }
.wrong-if b { color: var(--short); font-weight: 600; }
.warnings { color: var(--warn); font-size: 12px; margin-top: 6px; }
.error { color: var(--error); }
.notice { padding: 9px 13px; border: 1px solid #fbbf2455; background: #fbbf2412; border-radius: var(--radius-sm); color: var(--warn); margin-bottom: 10px; font-size: 12.5px; }
.status-line { font-family: var(--mono); font-size: 11.5px; color: var(--ink-3); }

/* ------------------------------------------------------------ symbol hero */
.hero { display: grid; grid-template-columns: 1fr; gap: 12px; }
.hero .top { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }
.hero .sym { font-size: 22px; font-weight: 700; letter-spacing: 0.02em; }
.hero .meters { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 10px; }
.meter { background: var(--bg-2); border: 1px solid var(--line); border-radius: var(--radius-sm); padding: 8px 10px; }
.meter .k { font-size: 10.5px; letter-spacing: 0.08em; text-transform: uppercase; color: var(--ink-3); font-weight: 600; }
.meter .v { font-size: 18px; font-weight: 600; margin-top: 2px; font-family: var(--mono); }
.meter .v.long { color: var(--long); }
.meter .v.short { color: var(--short); }
.meter .v.neutral { color: var(--ink-2); }
.meter .v.no_trade { color: var(--warn); }
.meter .s { font-size: 11.5px; color: var(--ink-3); margin-top: 1px; }
.conviction { height: 5px; background: var(--surface-3); border-radius: 3px; margin-top: 6px; overflow: hidden; }
.conviction i { display: block; height: 100%; background: linear-gradient(90deg, var(--accent), var(--accent-2)); }
.scenario-chips { display: flex; gap: 6px; flex-wrap: wrap; }
.chip { display: inline-flex; gap: 6px; align-items: center; padding: 3px 9px; border-radius: 999px; border: 1px solid var(--line-strong); background: var(--bg-2); font-family: var(--mono); font-size: 11.5px; }
.chip.off { opacity: 0.45; text-decoration: line-through; }
.chip b { font-weight: 600; }
.chip.long b { color: var(--long); }
.chip.short b { color: var(--short); }

/* ---------------------------------------------------------------- tables */
.table-wrap { overflow-x: auto; }
table.nowrap td, table.nowrap th { white-space: nowrap; }
table { border-collapse: collapse; width: 100%; font-size: 12.5px; }
th, td { text-align: left; padding: 7px 9px; border-bottom: 1px solid var(--line); vertical-align: top; }
th { color: var(--ink-3); font-weight: 600; font-family: var(--mono); font-size: 10.5px; letter-spacing: 0.08em; text-transform: uppercase; background: #ffffff03; }
tbody tr:last-child td { border-bottom: none; }
tr.clickable { cursor: pointer; }
tr.clickable:hover td { background: #ffffff06; }
tr.selected td { background: var(--accent-dim); }
td.num, th.num { text-align: right; }
.r-pos { color: var(--long); }
.r-neg { color: var(--short); }

/* ------------------------------------------------------------------- log */
.events { font-family: var(--mono); font-size: 12px; max-height: 520px; overflow-y: auto; background: var(--bg-2); border: 1px solid var(--line); border-radius: var(--radius-sm); padding: 6px 0; }
.events .ev { display: grid; grid-template-columns: 58px 86px 1fr; gap: 10px; padding: 4px 12px; border-bottom: 1px solid #ffffff05; }
.events .ev:last-child { border-bottom: none; }
.events .ev .t { color: var(--ink-4); }
.events .ev .k { color: var(--info); font-weight: 500; }
.events .ev.warn .k { color: var(--warn); }
.events .ev.error .k { color: var(--error); }
.events .ev.error { background: #f8717110; }
.events .ev.quiet { color: var(--ink-4); }
.events .ev.quiet .k { color: var(--ink-4); }

/* ---------------------------------------------------------------- checks */
.checks { list-style: none; padding: 0; margin: 0; font-family: var(--mono); font-size: 12px; display: grid; gap: 3px; }
.checks li { display: grid; grid-template-columns: 52px 190px 1fr; gap: 10px; padding: 4px 8px; border-radius: 6px; background: var(--bg-2); align-items: baseline; }
.checks li span:first-of-type { color: var(--ink-2); }
.checks li span:last-of-type { color: var(--ink-3); }
.checks li::before { content: "OK"; color: var(--ok); font-weight: 600; }
.checks li.block { background: #f8717114; }
.checks li.block::before { content: "BLOCK"; color: var(--error); }
.checks li.warn::before { content: "WARN"; color: var(--warn); }
.checks li.info::before { content: "INFO"; color: var(--ink-3); }

/* ---------------------------------------------------------------- drawer */
.backdrop { position: fixed; inset: 0; background: #00000080; backdrop-filter: blur(2px); z-index: 15; }
.backdrop.hidden { display: none; }
.drawer {
  position: fixed; top: 0; right: 0; width: min(820px, 100%); height: 100%; z-index: 20; overflow-y: auto;
  background: var(--surface); border-left: 1px solid var(--line); padding: 18px 22px 60px; box-shadow: -20px 0 60px #00000080;
}
.drawer.hidden { display: none; }
.drawer .close { float: right; }
.drawer h2 { font-size: 17px; display: flex; align-items: center; gap: 10px; flex-wrap: wrap; margin-bottom: 6px; }
.drawer img { width: 100%; border: 1px solid var(--line); border-radius: var(--radius-sm); margin-top: 12px; }
.steps { margin-top: 14px; display: grid; gap: 0; }
.step { display: grid; grid-template-columns: 30px 1fr; gap: 12px; padding: 12px 0; border-top: 1px solid var(--line); }
.step .n { width: 26px; height: 26px; border-radius: 50%; display: grid; place-items: center; font-family: var(--mono); font-size: 12px; font-weight: 600; background: var(--surface-3); color: var(--ink-2); border: 1px solid var(--line-strong); }
.step.ok .n { background: var(--long-dim); color: var(--long); border-color: #34d39955; }
.step.block .n { background: var(--short-dim); color: var(--short); border-color: #f8717155; }
.step.skip .n { opacity: 0.5; }
.step .title { font-weight: 600; font-size: 13px; display: flex; align-items: center; gap: 8px; margin-bottom: 6px; }
.step .title .who { font-size: 10.5px; letter-spacing: 0.08em; text-transform: uppercase; color: var(--ink-3); font-weight: 600; }
ul.plain { margin: 4px 0; padding-left: 18px; }
ul.plain li { margin: 3px 0; }
pre { background: var(--bg-2); border: 1px solid var(--line); border-radius: var(--radius-sm); padding: 10px 12px; overflow-x: auto; font-family: var(--mono); font-size: 12px; white-space: pre-wrap; margin: 6px 0; }
.diff .add { color: var(--long); }
.diff .del { color: var(--short); }
details summary { cursor: pointer; color: var(--ink-3); font-size: 12px; }

/* ------------------------------------------------------------ scenarios */
.scenario { border: 1px solid var(--line); border-radius: var(--radius-sm); padding: 10px 12px; margin: 8px 0; background: var(--bg-2); }
.scenario.disabled { opacity: 0.55; }
.scenario .head { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.scenario .head b.id { font-family: var(--mono); background: var(--surface-3); padding: 1px 7px; border-radius: 5px; }

/* ----------------------------------------------------------------- chart */
.chart svg { width: 100%; height: auto; display: block; background: var(--bg-2); border: 1px solid var(--line); border-radius: var(--radius-sm); }
.bars { display: flex; gap: 3px; align-items: flex-end; height: 64px; padding-top: 14px; }
.bars div { flex: 1; border-radius: 3px 3px 0 0; min-height: 2px; position: relative; }
.bars div span { position: absolute; bottom: 100%; left: 0; right: 0; text-align: center; font-size: 10px; color: var(--ink-3); font-family: var(--mono); }
.stat { display: flex; flex-direction: column; gap: 2px; }
.stat .v { font-size: 22px; font-weight: 600; font-family: var(--mono); }
.stat .k { font-size: 11px; color: var(--ink-3); letter-spacing: 0.06em; text-transform: uppercase; }
.stats-row { display: grid; grid-template-columns: repeat(auto-fit, minmax(120px, 1fr)); gap: 12px; margin-bottom: 12px; }

/* ----------------------------------------------------------------- forms */
input, select, textarea {
  background: var(--bg-2); color: var(--ink); border: 1px solid var(--line-strong); border-radius: var(--radius-sm); padding: 6px 9px; font: inherit; font-size: 12.5px;
}
input:focus, select:focus, textarea:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-dim); }
textarea { width: 100%; min-height: 300px; font-family: var(--mono); font-size: 12px; }
.toast { position: fixed; bottom: 18px; left: 50%; transform: translateX(-50%); background: var(--surface-3); border: 1px solid var(--line-strong); padding: 9px 16px; border-radius: 10px; z-index: 30; box-shadow: 0 10px 30px #00000080; }
.toast.hidden { display: none; }

/* ----------------------------------------------------------------- login */
.login { max-width: 360px; margin: 12vh auto 0; padding: 0 16px; }
.login .brand { justify-content: center; margin-bottom: 18px; }
.login .brand .word { font-size: 20px; }
.login .card { padding: 22px 22px 18px; }
.login label { display: block; margin: 10px 0 12px; font-size: 12px; color: var(--ink-3); }
.login input { width: 100%; margin-top: 5px; padding: 9px 11px; font-size: 14px; }
.login .btn { width: 100%; justify-content: center; margin-top: 6px; padding: 9px; }
.login .sub { text-align: center; color: var(--ink-4); font-size: 11.5px; margin-top: 12px; }

@media (max-width: 820px) {
  main { padding: 14px 14px 60px; }
  header { padding: 10px 14px; }
  .grid.cols-2, .grid.side { grid-template-columns: 1fr; }
  .events .ev { grid-template-columns: 50px 70px 1fr; }
  .cost { min-width: 120px; }
}