:root {
  --bg: #0d1117;
  --bg2: #161b22;
  --card: #1c2128;
  --border: #2d333b;
  --text: #e6edf3;
  --muted: #8b949e;
  --red: #e5484d;
  --red-soft: #7d1f24;
  --blue: #3b82f6;
  --blue-soft: #1e3a5f;
  --gold: #d29922;
  --green: #3fb950;
  --purple: #a371f7;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
body {
  font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", system-ui, sans-serif;
  background: var(--bg); color: var(--text); font-size: 14px; line-height: 1.5;
}
.wrap { max-width: 1180px; margin: 0 auto; padding: 0 16px 60px; }

/* header */
header { padding: 22px 0 14px; border-bottom: 1px solid var(--border); margin-bottom: 16px; }
h1 { font-size: 22px; letter-spacing: 1px; }
h1 .sub { color: var(--muted); font-size: 13px; font-weight: 400; margin-left: 10px; }
.disclaimer {
  margin-top: 10px; padding: 8px 12px; border: 1px solid #7d5a12; border-radius: 8px;
  background: #2a230e; color: #e3c879; font-size: 12.5px;
}

/* toolbar */
.toolbar { display: flex; flex-wrap: wrap; gap: 8px; margin: 14px 0 18px; }
button {
  background: var(--bg2); color: var(--text); border: 1px solid var(--border);
  padding: 7px 14px; border-radius: 8px; cursor: pointer; font-size: 13px;
  transition: all .15s;
}
button:hover { border-color: var(--blue); color: #fff; }
button.primary { background: var(--blue-soft); border-color: var(--blue); }
button:disabled { opacity: .5; cursor: wait; }
.spin { display:inline-block; animation: rot 1s linear infinite; }
@keyframes rot { to { transform: rotate(360deg); } }

/* cards */
.card {
  background: var(--card); border: 1px solid var(--border); border-radius: 12px;
  padding: 16px; margin-bottom: 16px;
}
.card h2 { font-size: 15px; margin-bottom: 12px; color: #fff; display:flex; align-items:center; gap:8px; }
.card h2 .tag { font-size: 11px; color: var(--muted); font-weight: 400; }
.grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
@media (max-width: 900px) { .grid2 { grid-template-columns: 1fr; } }

/* balls */
.balls { display: flex; gap: 6px; align-items: center; flex-wrap: wrap; }
.ball {
  width: 30px; height: 30px; border-radius: 50%; display: inline-flex; align-items: center;
  justify-content: center; font-weight: 700; font-size: 14px; color: #fff;
}
.ball.red { background: linear-gradient(145deg, #f0565b, var(--red)); box-shadow: 0 2px 6px rgba(229,72,77,.35); }
.ball.blue { background: linear-gradient(145deg, #5c9cff, var(--blue)); box-shadow: 0 2px 6px rgba(59,130,246,.35); }
.ball.sm { width: 22px; height: 22px; font-size: 11px; }

/* prediction tickets */
.ticket {
  border: 1px solid var(--border); border-radius: 10px; padding: 10px 12px; margin-bottom: 8px;
  background: var(--bg2);
}
.ticket .row1 { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.ticket .meta { color: var(--muted); font-size: 12px; }
.ticket .conf { flex: 1; min-width: 120px; }
.conf .bar { height: 5px; background: var(--border); border-radius: 3px; overflow: hidden; margin-top: 3px; }
.conf .bar > i { display: block; height: 100%; background: linear-gradient(90deg, var(--blue), var(--purple)); }
.conf num { font-size: 12px; color: var(--gold); font-weight: 600; }
.badge { font-size: 10.5px; padding: 2px 7px; border-radius: 10px; border: 1px solid var(--border); color: var(--muted); }
.badge.llm { color: var(--purple); border-color: var(--purple); }
.badge.gradeA { color: var(--green); border-color: var(--green); }
.badge.gradeB { color: var(--gold); border-color: var(--gold); }
.badge.gradeC { color: var(--muted); }
.ticket .reasoning { margin-top: 6px; font-size: 12px; color: var(--muted); }

/* heatmap */
.heat { display: grid; grid-template-columns: repeat(11, 1fr); gap: 3px; }
.heat .cell {
  aspect-ratio: 1; border-radius: 5px; display: flex; align-items: center; justify-content: center;
  font-size: 11px; color: rgba(255,255,255,.92); font-weight: 600; cursor: default;
}
.heat .cell.b { background: var(--blue-soft); color: var(--blue); }
.legend { display: flex; gap: 12px; align-items: center; font-size: 11px; color: var(--muted); margin-top: 8px; flex-wrap: wrap; }
.legend .sw { width: 14px; height: 14px; border-radius: 3px; display: inline-block; vertical-align: middle; }
.legend .sw.red { background: var(--red); }

/* tables */
table { width: 100%; border-collapse: collapse; font-size: 12.5px; }
th { text-align: left; color: var(--muted); font-weight: 500; padding: 6px 8px; border-bottom: 1px solid var(--border); white-space: nowrap; }
td { padding: 6px 8px; border-bottom: 1px solid var(--border); }
.scroll { overflow-x: auto; }

/* eval metric cards */
.metrics { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 10px; margin-bottom: 12px; }
.metric { background: var(--bg2); border: 1px solid var(--border); border-radius: 10px; padding: 10px 12px; }
.metric .k { color: var(--muted); font-size: 12px; }
.metric .v { font-size: 20px; font-weight: 700; margin-top: 2px; }
.metric .v.pos { color: var(--green); } .metric .v.neg { color: var(--red); }

/* tabs */
.tabs { display: flex; gap: 6px; margin-bottom: 12px; }
.tab { padding: 5px 14px; border: 1px solid var(--border); border-radius: 16px; cursor: pointer; color: var(--muted); font-size: 12.5px; }
.tab.on { background: var(--blue-soft); border-color: var(--blue); color: #fff; }

/* chart */
.chart { width: 100%; height: 260px; }
.note { color: var(--muted); font-size: 12px; margin-top: 8px; }
.mono { font-family: ui-monospace, Consolas, monospace; }
.hidden { display: none; }
#toast {
  position: fixed; left: 50%; bottom: 24px; transform: translateX(-50%);
  background: #24292f; border: 1px solid var(--border); padding: 10px 18px;
  border-radius: 10px; font-size: 13px; z-index: 99; display: none;
}
footer { color: var(--muted); font-size: 12px; text-align: center; margin-top: 30px; }