:root {
  --bg: #0b0f14;
  --card: #141b24;
  --card2: #1b2530;
  --text: #e8eef5;
  --muted: #8a98a8;
  --accent: #46e6a3;
  --warn: #ffc857;
  --danger: #ff6b6b;
  --line: #243140;
  --pos: #46e6a3;
  --neg: #ff8088;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
    "Hiragino Sans GB", "Microsoft YaHei", Roboto, Helvetica, Arial, sans-serif;
  background: radial-gradient(1200px 600px at 50% -10%, #16202c, var(--bg)) fixed;
  color: var(--text);
  line-height: 1.55;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
  max-width: 880px;
  margin: 0 auto;
}
.brand { display: flex; align-items: center; gap: 10px; font-size: 18px; }
.logo { color: var(--accent); font-size: 22px; }
.lang-switch {
  color: var(--muted);
  text-decoration: none;
  border: 1px solid var(--line);
  padding: 6px 12px;
  border-radius: 999px;
  font-size: 14px;
}
.lang-switch:hover { color: var(--text); border-color: var(--accent); }

#app { max-width: 880px; margin: 0 auto; padding: 8px 20px 60px; }

.lede { color: var(--muted); font-size: 15px; margin: 4px 0 20px; }

.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 20px;
  margin: 0 0 18px;
}
.card h2 { margin: 0 0 14px; font-size: 17px; }

.hero { background: linear-gradient(160deg, #15212c, #121922); }
.status-line { font-size: 22px; font-weight: 700; margin-bottom: 6px; }
.status-line.open { color: var(--accent); }
.status-line.closed { color: var(--muted); }
.meta {
  display: flex;
  gap: 22px;
  flex-wrap: wrap;
  color: var(--muted);
  font-size: 13px;
  margin-top: 12px;
}
.meta b { color: var(--text); font-weight: 600; }

.countdown {
  font-variant-numeric: tabular-nums;
  font-size: 44px;
  font-weight: 800;
  letter-spacing: 1px;
  color: var(--warn);
}
.countdown.inactive { color: var(--muted); font-size: 26px; }
.countdown-label { color: var(--muted); font-size: 14px; margin-top: 4px; }

.prob-row { display: flex; gap: 16px; margin-bottom: 16px; }
.prob {
  flex: 1;
  background: var(--card2);
  border-radius: 12px;
  padding: 14px 16px;
  display: flex;
  flex-direction: column;
}
.prob-h { color: var(--muted); font-size: 13px; }
.prob b { font-size: 28px; }

canvas { width: 100%; display: block; }

.signal-tabs { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 14px; }
.signal-tabs .tab {
  background: var(--card2);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 4px 12px;
  font-size: 13px;
  color: var(--muted);
}
.signal-tabs .tab b { color: var(--text); }

.signal-list, .window-list, .history-list { list-style: none; margin: 0; padding: 0; }
.signal-list li {
  border-top: 1px solid var(--line);
  padding: 12px 0;
}
.signal-list .s-head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  color: var(--muted);
  margin-bottom: 4px;
}
.badge {
  border-radius: 6px;
  padding: 1px 7px;
  font-size: 12px;
  background: var(--card2);
  border: 1px solid var(--line);
}
.badge.src-Official_X { color: var(--accent); border-color: var(--accent); }
.weight.pos { color: var(--pos); }
.weight.neg { color: var(--neg); }
.s-text { font-size: 14px; }
.s-text a { color: var(--muted); font-size: 12px; margin-left: 6px; }

.window-list li, .history-list li {
  border-top: 1px solid var(--line);
  padding: 12px 0;
}
.window-list .w-dur { color: var(--accent); font-weight: 700; }
.history-list h3 { margin: 0 0 4px; font-size: 15px; }
.history-list .h-meta { color: var(--muted); font-size: 12px; margin-top: 6px; display: flex; gap: 16px; flex-wrap: wrap; }
.history-list .reason { color: var(--text); font-size: 14px; }

.iq-row { display: flex; align-items: baseline; gap: 16px; margin-bottom: 14px; }
.iq-big { font-size: 40px; font-weight: 800; color: var(--accent); }
.iq-meta { color: var(--muted); font-size: 13px; }

.fine { color: var(--muted); font-size: 12px; }
.fine a, .subscribe a { color: var(--accent); }

.foot {
  max-width: 880px;
  margin: 0 auto;
  padding: 20px;
  color: var(--muted);
  font-size: 12px;
  border-top: 1px solid var(--line);
}

@media (max-width: 520px) {
  .countdown { font-size: 34px; }
  .prob-row { flex-direction: column; }
  .meta { gap: 12px; }
}