:root {
  color-scheme: dark;
  --bg: #090b0f;
  --panel: #11151c;
  --panel-high: #171c25;
  --text: #f4f7fb;
  --muted: #8893a4;
  --line: #252c38;
  --green: #38e89b;
  --red: #ff6680;
  --gold: #f3ba2f;
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }

body {
  margin: 0;
  min-height: 100vh;
  background:
    radial-gradient(circle at 10% 0%, rgba(243, 186, 47, 0.08), transparent 30rem),
    radial-gradient(circle at 90% 30%, rgba(56, 232, 155, 0.05), transparent 34rem),
    var(--bg);
  color: var(--text);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

.shell { width: min(1180px, calc(100% - 40px)); margin: 0 auto; padding: 64px 0 36px; }

header { display: flex; align-items: flex-start; justify-content: space-between; gap: 32px; }
.eyebrow { margin: 0 0 12px; color: var(--gold); font-size: 12px; font-weight: 800; letter-spacing: .18em; }
h1 { max-width: 760px; margin: 0; font-size: clamp(38px, 6vw, 72px); line-height: .98; letter-spacing: -.055em; }
.lede { max-width: 620px; margin: 22px 0 0; color: var(--muted); font-size: 18px; line-height: 1.6; }
.live-pill { display: flex; align-items: center; gap: 9px; padding: 10px 14px; border: 1px solid var(--line); border-radius: 99px; color: var(--muted); font-size: 13px; white-space: nowrap; }
.live-pill span:first-child { width: 8px; height: 8px; border-radius: 50%; background: #687386; }
.live-pill.connected span:first-child { background: var(--green); box-shadow: 0 0 0 5px rgba(56, 232, 155, .11); }

.metrics { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; margin-top: 54px; overflow: hidden; border: 1px solid var(--line); border-radius: 16px; background: var(--line); }
.metrics article { padding: 22px; background: rgba(17, 21, 28, .95); }
.metrics span { display: block; color: var(--muted); font-size: 12px; text-transform: uppercase; letter-spacing: .08em; }
.metrics strong { display: block; margin-top: 9px; font-size: 25px; }

.controls { display: flex; align-items: flex-end; justify-content: space-between; gap: 20px; margin: 54px 0 20px; }
h2 { margin: 0; font-size: 25px; letter-spacing: -.025em; }
.controls p { margin: 7px 0 0; color: var(--muted); font-size: 13px; }
.filters { display: flex; gap: 7px; }
button { padding: 9px 13px; border: 1px solid var(--line); border-radius: 9px; background: transparent; color: var(--muted); cursor: pointer; }
button:hover, button.active { border-color: #495366; background: var(--panel-high); color: var(--text); }

.signal-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; }
.signal-card { position: relative; overflow: hidden; padding: 22px; border: 1px solid var(--line); border-radius: 14px; background: linear-gradient(145deg, rgba(23, 28, 37, .96), rgba(14, 17, 23, .96)); }
.signal-card::before { position: absolute; inset: 0 auto 0 0; width: 3px; content: ""; background: var(--signal-color); }
.signal-top { display: flex; justify-content: space-between; gap: 14px; }
.direction { margin: 0 0 7px; color: var(--signal-color); font-size: 11px; font-weight: 800; letter-spacing: .1em; }
.symbol { margin: 0; font-size: 24px; }
.risk-line { margin: 7px 0 0; color: var(--muted); font-size: 11px; text-transform: uppercase; letter-spacing: .05em; }
.config-line { margin: 5px 0 0; color: #697486; font-size: 10px; }
.score { display: grid; place-items: center; min-width: 55px; height: 55px; border: 1px solid color-mix(in srgb, var(--signal-color) 35%, var(--line)); border-radius: 50%; color: var(--signal-color); font-weight: 800; }
.price {
  display: flex;
  align-items: baseline;
  gap: 9px;
  min-width: 0;
  margin: 20px 0;
  color: var(--muted);
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
}
.price span { flex: 0 0 auto; }
.price strong {
  min-width: 0;
  color: var(--text);
  font-weight: 600;
  overflow-wrap: anywhere;
  word-break: break-all;
}
.movement {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(110px, 1fr));
  gap: 14px;
  padding-top: 17px;
  border-top: 1px solid var(--line);
}
.movement span { display: block; color: var(--muted); font-size: 11px; text-transform: uppercase; }
.movement strong { display: block; margin-top: 6px; font-size: 15px; }
.movement small {
  display: block;
  margin-top: 6px;
  color: var(--muted);
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 10px;
  line-height: 1.4;
  overflow-wrap: anywhere;
}
.movement small b, .movement small em { display: block; font-style: normal; font-weight: 500; }
.movement small b { color: var(--text); }
.movement small em { margin-top: 3px; }
.movement small .buy-volume { color: var(--green); }
.movement small .sell-volume { color: var(--red); }
.market-info {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 18px;
  margin-top: 18px;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: rgba(9, 11, 15, .42);
}
.market-info div { min-width: 0; }
.market-info div span {
  display: block;
  color: var(--muted);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: .05em;
}
.market-info div strong {
  display: block;
  margin-top: 7px;
  overflow-wrap: anywhere;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 14px;
}
.chart-link {
  flex: 0 0 auto;
  padding: 9px 11px;
  border: 1px solid rgba(243, 186, 47, .34);
  border-radius: 8px;
  color: var(--gold);
  font-size: 12px;
  font-weight: 700;
  text-decoration: none;
  white-space: nowrap;
}
.chart-link:hover {
  border-color: var(--gold);
  background: rgba(243, 186, 47, .08);
}
.diagnostics {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin-top: 18px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--line);
}
.diagnostics div { min-width: 0; padding: 13px; background: rgba(9, 11, 15, .72); }
.diagnostics span, .evaluation-title span, .outcome-grid span {
  display: block;
  color: var(--muted);
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: .05em;
}
.diagnostics strong { display: block; margin-top: 6px; overflow-wrap: anywhere; font-size: 13px; }
.evaluation { margin-top: 18px; padding: 16px; border: 1px solid var(--line); border-radius: 10px; background: rgba(9, 11, 15, .42); }
.trade-plan { margin-top: 18px; padding: 16px; border: 1px solid rgba(243, 186, 47, .22); border-radius: 10px; background: rgba(243, 186, 47, .035); }
.trade-plan p { margin: 10px 0 0; color: var(--muted); font-size: 11px; }
.trade-plan .final-action { color: var(--text); }
.evaluation.pending { color: var(--muted); font-size: 12px; text-align: center; }
.evaluation-title { display: flex; align-items: center; justify-content: space-between; }
.evaluation-title strong { color: var(--gold); font-size: 11px; text-transform: uppercase; }
.outcome-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 8px; margin-top: 13px; }
.outcome-grid div { padding: 10px; border: 1px solid var(--line); border-radius: 8px; }
.outcome-grid strong { display: block; margin-top: 5px; font-size: 13px; }
.outcome-grid .correct strong { color: var(--green); }
.outcome-grid .incorrect strong { color: var(--red); }
.evaluation > p { margin: 12px 0 0; color: var(--muted); font-size: 11px; }
.evidence { margin: 18px 0 0; color: var(--muted); font-size: 13px; line-height: 1.6; }
.signal-time { margin-top: 15px; color: #626d7e; font-size: 11px; }

.empty-state { display: grid; justify-items: center; padding: 72px 24px; border: 1px dashed var(--line); border-radius: 14px; text-align: center; }
.empty-state h3 { margin: 20px 0 7px; }
.empty-state p { max-width: 480px; margin: 0; color: var(--muted); line-height: 1.6; }
.radar { width: 62px; height: 62px; border: 1px solid rgba(243, 186, 47, .35); border-radius: 50%; background: radial-gradient(circle, var(--gold) 0 3px, transparent 4px), conic-gradient(from 20deg, rgba(243, 186, 47, .3), transparent 25%); animation: spin 3s linear infinite; }
footer { margin-top: 38px; color: #5e6878; font-size: 12px; text-align: center; }
.page-nav { display: flex; gap: 8px; margin-top: 28px; }
.page-nav a { padding: 9px 13px; border: 1px solid var(--line); border-radius: 9px; color: var(--muted); font-size: 13px; text-decoration: none; }
.page-nav a.active, .page-nav a:hover { border-color: #495366; background: var(--panel-high); color: var(--text); }
.backtest-panel { display: flex; align-items: center; justify-content: space-between; gap: 24px; margin-top: 54px; padding: 22px; border: 1px solid var(--line); border-radius: 16px; background: var(--panel); }
.backtest-panel p { margin: 7px 0 0; color: var(--muted); }
.backtest-actions { display: flex; gap: 8px; }
.benchmark-comparison { display: flex; flex-wrap: wrap; gap: 12px 24px; margin-top: 14px; padding: 16px 20px; border: 1px solid rgba(56, 232, 155, .22); border-radius: 12px; background: rgba(56, 232, 155, .035); color: var(--muted); font-size: 12px; }
.benchmark-comparison strong { color: var(--green); }
.pair-results { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; }
.pair-results article { padding: 18px; border: 1px solid var(--line); border-radius: 12px; background: var(--panel); }
.pair-results span { color: var(--gold); font-size: 11px; font-weight: 800; }
.pair-results strong { display: block; margin-top: 9px; }
.pair-results p { margin: 7px 0 0; color: var(--muted); font-size: 12px; }
.table-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: 12px; }
table { width: 100%; border-collapse: collapse; }
th, td { padding: 13px 15px; border-bottom: 1px solid var(--line); text-align: left; font-size: 12px; }
th { color: var(--muted); font-size: 10px; text-transform: uppercase; letter-spacing: .06em; }
tbody tr:last-child td { border-bottom: 0; }
td.pos { color: var(--green); }
td.neg { color: var(--red); }
tr.aggregate-row td { font-weight: 800; color: var(--text); border-top: 2px solid #495366; background: var(--panel-high); }

.login-wrap { display: flex; justify-content: center; padding-top: 80px; }
.login-card { width: min(100%, 380px); display: flex; flex-direction: column; gap: 14px; padding: 32px; border: 1px solid var(--line); border-radius: 16px; background: var(--panel); }
.login-card h1 { margin: 0; }
.login-card .lede { margin: 0 0 6px; color: var(--muted); }
.login-card label { display: flex; flex-direction: column; gap: 6px; }
.login-card label span { color: var(--muted); font-size: 12px; text-transform: uppercase; letter-spacing: .06em; }
.login-card input { padding: 11px 13px; border: 1px solid var(--line); border-radius: 9px; background: var(--panel-high); color: var(--text); font-size: 14px; }
.login-card input:focus { outline: none; border-color: #495366; }
.login-card button { margin-top: 6px; padding: 11px; border-radius: 9px; border: 1px solid #495366; background: var(--panel-high); color: var(--text); font-weight: 700; cursor: pointer; }
.login-card button:disabled { opacity: .6; cursor: progress; }
.login-error { min-height: 16px; margin: 0; color: var(--red); font-size: 13px; }
.auth-chip { display: inline-flex; align-items: center; gap: 8px; color: var(--muted); font-size: 12px; }
.auth-chip strong { color: var(--text); }
.auth-chip button { padding: 5px 10px; border: 1px solid var(--line); border-radius: 8px; background: transparent; color: var(--muted); cursor: pointer; font-size: 12px; }
.auth-chip button:hover { border-color: #495366; color: var(--text); }

@keyframes spin { to { transform: rotate(360deg); } }
@media (max-width: 760px) {
  .shell { width: min(100% - 28px, 1180px); padding-top: 36px; }
  header, .controls { align-items: stretch; flex-direction: column; }
  .live-pill { align-self: flex-start; }
  .metrics { grid-template-columns: repeat(2, 1fr); }
  .signal-grid { grid-template-columns: 1fr; }
  .filters { overflow-x: auto; }
  .market-info { align-items: stretch; flex-direction: column; }
  .chart-link { align-self: flex-start; }
  .outcome-grid { grid-template-columns: repeat(2, 1fr); }
  .backtest-panel { align-items: stretch; flex-direction: column; }
  .pair-results { grid-template-columns: repeat(2, 1fr); }
}