:root {
  --bg: #0b0e14;
  --bg2: #121722;
  --card: #151b28;
  --card2: #1a2233;
  --line: #232d40;
  --text: #e6edf7;
  --muted: #8b98ad;
  --accent: #4da3ff;
  --green: #23c17b;
  --red: #f0556b;
  --amber: #f2b63d;
  --purple: #9d7bff;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

body {
  background: var(--bg);
  color: var(--text);
  font: 14px/1.5 "SF Mono", "Cascadia Code", Consolas, "Segoe UI", system-ui, sans-serif;
}

/* ---------- top bar ---------- */
.topbar {
  display: flex; flex-wrap: wrap; gap: 16px;
  justify-content: space-between; align-items: center;
  padding: 14px 22px;
  background: linear-gradient(180deg, #101624, #0b0e14);
  border-bottom: 1px solid var(--line);
}
.brand { display: flex; align-items: center; gap: 12px; }
.logo {
  width: 42px; height: 42px; border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  background: linear-gradient(135deg, var(--accent), var(--purple));
  font-weight: 800; font-size: 17px; color: #fff;
}
.brand h1 { font-size: 18px; letter-spacing: 0.3px; }
.brand .sub { color: var(--muted); font-size: 11.5px; }

.pulse { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; }
.chip {
  display: flex; flex-direction: column; padding: 5px 12px;
  background: var(--card); border: 1px solid var(--line); border-radius: 8px;
  min-width: 78px;
}
.chip .k { font-size: 10px; text-transform: uppercase; letter-spacing: 1px; color: var(--muted); }
.chip .v { font-size: 13px; font-weight: 600; }

.refresh {
  background: var(--accent); color: #06121f; border: 0;
  padding: 9px 16px; border-radius: 8px; font-weight: 700;
  cursor: pointer; font-size: 13px;
}
.refresh:hover { filter: brightness(1.12); }
.refresh:disabled { opacity: 0.5; cursor: wait; }

/* ---------- tabs ---------- */
.tabs {
  display: flex; gap: 4px; padding: 10px 22px 0;
  border-bottom: 1px solid var(--line);
}
.tab {
  background: transparent; color: var(--muted); border: 0;
  padding: 10px 18px; cursor: pointer; font-size: 13.5px;
  border-bottom: 2px solid transparent;
}
.tab.active { color: var(--text); border-bottom-color: var(--accent); font-weight: 600; }

main { padding: 18px 22px 40px; }
.tab-panel { display: none; }
.tab-panel.active { display: block; }

/* ---------- cards & layout ---------- */
.card {
  background: var(--card); border: 1px solid var(--line);
  border-radius: 12px; padding: 16px 18px; margin-bottom: 16px;
}
.card h2 { font-size: 15px; margin-bottom: 12px; }
.hint { color: var(--muted); font-size: 11px; font-weight: 400; margin-left: 8px; }

.grid-top {
  display: grid; grid-template-columns: 1fr 1fr; gap: 16px;
}
.grid-detail {
  display: grid; grid-template-columns: 1.7fr 1fr; gap: 16px;
}
@media (max-width: 1100px) {
  .grid-top, .grid-detail { grid-template-columns: 1fr; }
}

/* ---------- strength bars ---------- */
.strength { display: flex; flex-direction: column; gap: 6px; }
.str-row { display: grid; grid-template-columns: 52px 1fr 58px; gap: 10px; align-items: center; }
.str-row .cur { font-weight: 700; font-size: 12.5px; }
.str-bar {
  height: 13px; border-radius: 4px; background: var(--card2); overflow: hidden; position: relative;
}
.str-bar i {
  position: absolute; top: 0; bottom: 0; border-radius: 4px;
}
.str-row .sc { text-align: right; font-variant-numeric: tabular-nums; font-size: 12px; }

/* ---------- insights ---------- */
.insights { list-style: none; display: flex; flex-direction: column; gap: 9px; }
.insights li {
  background: var(--card2); border-left: 3px solid var(--accent);
  padding: 9px 12px; border-radius: 6px; font-size: 12.5px; color: #cfd9e8;
}
.insights li.warn { border-left-color: var(--amber); }
.insights li.good { border-left-color: var(--green); }

/* ---------- tables ---------- */
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: 12.2px; }
th {
  text-align: left; color: var(--muted); font-weight: 600;
  padding: 8px 9px; border-bottom: 1px solid var(--line);
  cursor: pointer; user-select: none; white-space: nowrap;
}
th:hover { color: var(--text); }
td {
  padding: 8px 9px; border-bottom: 1px solid #1b2333;
  font-variant-numeric: tabular-nums; white-space: nowrap;
}
tbody tr { cursor: pointer; }
tbody tr:hover { background: var(--card2); }
tbody tr.selected { background: #1c2a45; }

.badge {
  display: inline-block; padding: 2.5px 9px; border-radius: 20px;
  font-size: 10.5px; font-weight: 700; letter-spacing: 0.4px;
}
.badge.buy { background: rgba(35,193,123,0.16); color: var(--green); }
.badge.sell { background: rgba(240,85,107,0.16); color: var(--red); }
.badge.wait { background: rgba(139,152,173,0.14); color: var(--muted); }

.num-pos { color: var(--green); }
.num-neg { color: var(--red); }

/* ---------- pair detail ---------- */
.pair-meta { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 10px; }
.pair-meta .chip { min-width: 0; }

canvas { width: 100%; height: auto; display: block; margin-bottom: 10px; }

.plan-box {
  background: var(--card2); border: 1px solid var(--line); border-radius: 10px;
  padding: 14px 16px; font-size: 12.5px;
}
.plan-box h3 { font-size: 13px; margin-bottom: 8px; }
.plan-box .levels { display: flex; flex-wrap: wrap; gap: 10px; margin: 10px 0; }
.plan-box .level {
  padding: 8px 12px; border-radius: 8px; background: var(--card); border: 1px solid var(--line);
  min-width: 110px;
}
.plan-box .level .lbl { font-size: 10px; color: var(--muted); text-transform: uppercase; letter-spacing: 0.8px; }
.plan-box .level .val { font-size: 14px; font-weight: 700; }
.plan-box ol { margin: 8px 0 0 18px; display: flex; flex-direction: column; gap: 6px; }
.plan-box ol.actions li { color: #d7e1f0; }
.plan-box .factors { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 10px; }

/* instruction lifecycle cards */
.lifecycle { display: flex; flex-direction: column; gap: 8px; margin: 6px 0 4px; }
.stage {
  border: 1px solid var(--line); border-radius: 9px; padding: 9px 12px;
  background: var(--card);
}
.stage-in  { border-left: 4px solid var(--accent); }
.stage-pred { border-left: 4px solid var(--purple); }
.stage-out { border-left: 4px solid var(--green); }
.stage-tag {
  font-size: 10px; letter-spacing: 1.1px; text-transform: uppercase;
  color: var(--muted); margin-bottom: 3px; font-weight: 700;
}
.stage-main { font-size: 12.5px; color: #d7e1f0; line-height: 1.55; }
.stage-main strong { color: var(--text); }
.fchip {
  font-size: 10.5px; padding: 3px 8px; border-radius: 6px;
  background: var(--card); border: 1px solid var(--line);
}

/* ---------- correlation ---------- */
.corr { overflow-x: auto; }
.corr table { font-size: 10px; }
.corr td { padding: 3px 2px; text-align: center; border: 1px solid #101624; cursor: default; }
.corr th { padding: 3px 4px; font-size: 9.5px; cursor: default; }

/* ---------- backtest ---------- */
.bt-controls { display: flex; flex-wrap: wrap; gap: 12px; align-items: end; margin-bottom: 14px; }
.bt-controls label { display: flex; flex-direction: column; gap: 4px; font-size: 11px; color: var(--muted); }
.bt-controls select, .bt-controls input {
  background: var(--card2); color: var(--text); border: 1px solid var(--line);
  border-radius: 7px; padding: 8px 10px; font-size: 13px; min-width: 120px;
}
.bt-metrics {
  display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 14px;
}
.metric {
  background: var(--card2); border: 1px solid var(--line); border-radius: 9px;
  padding: 9px 14px; min-width: 112px;
}
.metric .k { font-size: 10px; color: var(--muted); text-transform: uppercase; letter-spacing: 0.7px; }
.metric .v { font-size: 16px; font-weight: 700; }

/* ---------- about ---------- */
.about h3 { margin: 16px 0 6px; font-size: 14px; color: var(--accent); }
.about p { color: #c3cede; font-size: 13px; max-width: 980px; }
.about code { background: var(--card2); padding: 1px 6px; border-radius: 4px; font-size: 12px; }
.disclaimer {
  margin-top: 18px; padding: 12px 14px; border-radius: 8px;
  background: rgba(242,182,61,0.08); border: 1px solid rgba(242,182,61,0.35);
  color: var(--amber) !important;
}

footer {
  padding: 16px 22px; color: var(--muted); font-size: 11px;
  border-top: 1px solid var(--line); text-align: center;
}

/* ---------- instruction feed ---------- */
.instructions { display: flex; flex-direction: column; gap: 10px; }
.ins {
  border: 1px solid var(--line); border-radius: 10px; padding: 11px 14px;
  background: var(--card2);
}
.ins-buy { border-left: 4px solid var(--green); }
.ins-sell { border-left: 4px solid var(--red); }
.ins-wait { border-left: 4px solid var(--muted); opacity: 0.85; }
.ins-head { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; margin-bottom: 5px; }
.ins-head strong { font-size: 14px; }
.ins-conf { color: var(--muted); font-size: 11px; }
.ins-link {
  margin-left: auto; background: transparent; color: var(--accent);
  border: 1px solid var(--line); border-radius: 6px; padding: 3px 9px;
  cursor: pointer; font-size: 11px;
}
.ins-link:hover { background: var(--card); }
.ins-line {
  font-size: 13px; font-weight: 600; color: var(--text);
  font-variant-numeric: tabular-nums; line-height: 1.55;
}
.ins-pred { font-size: 11.5px; color: #b9c5d8; margin-top: 5px; line-height: 1.55; }
.ins-exits { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 8px; }
.exit-chip {
  font-size: 10.5px; padding: 3px 9px; border-radius: 6px;
  background: var(--card); border: 1px solid var(--line); color: #cdd8e8;
  font-variant-numeric: tabular-nums;
}
.exit-chip b { color: var(--text); }

.empty { color: var(--muted); padding: 18px; text-align: center; }

/* ---------- subscriber gate ---------- */
.refresh.ghosty {
  background: transparent; color: var(--text); border: 1px solid var(--line);
}
.sub-chip .v { color: var(--accent); font-size: 11.5px; }

.paywall {
  position: fixed; inset: 0; z-index: 200;
  background: rgba(8, 11, 18, 0.82); backdrop-filter: blur(10px);
  display: flex; align-items: center; justify-content: center; padding: 20px;
}
.paywall[hidden] { display: none; }
.paywall-card {
  background: var(--card); border: 1px solid var(--line); border-radius: 18px;
  padding: 42px 38px; max-width: 480px; text-align: center;
}
.paywall-card .logo {
  width: 56px; height: 56px; font-size: 20px; margin: 0 auto 18px;
}
.paywall-card h2 { font-size: 21px; margin-bottom: 12px; }
.paywall-card p { color: var(--muted); font-size: 13px; margin-bottom: 22px; line-height: 1.7; }
.paywall-card b { color: var(--text); }
.paywall-actions { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }
.pw-note { margin: 18px 0 0 !important; font-size: 12px !important; }
.linkish {
  background: none; border: 0; color: var(--accent); cursor: pointer;
  font-size: 12px; text-decoration: underline; font-family: inherit;
}