/* 空手道 KSD 交易看板 —— 参考 Awwwards 金融类入选站（Mozaic Finance / Spectral Finance / Moto Finance）
   的深色金融风格：石墨底、细线网格、大号等宽数字，绿涨红跌，薄荷绿做强调色。 */
:root {
  --ink: #0a0d12;
  --ink-2: #10141b;
  --ink-3: #171c25;
  --line: #1e2530;
  --line-2: #2a3240;
  --paper: #e6edf3;
  --paper-2: #b3bdc8;
  --muted: #7d8590;
  --red: #f0505a;
  --red-2: #ff6b73;
  --green: #50e3a4;
  --amber: #f2b84b;
  --blue: #5b9dff;
  --violet: #a78bfa;
  --accent: #50e3a4;
  --sans: "Inter", "PingFang SC", "Microsoft YaHei", "Noto Sans SC", system-ui, sans-serif;
  --serif: var(--sans);
  --mono: "JetBrains Mono", "SF Mono", "Cascadia Mono", Consolas, monospace;
  --radius: 12px;
}

* { box-sizing: border-box; }
html, body { margin: 0; background: var(--ink); color: var(--paper); overflow-x: clip; }
body {
  font: 14px/1.55 var(--sans);
  -webkit-font-smoothing: antialiased;
  background:
    radial-gradient(1100px 480px at 80% -12%, rgba(80, 227, 164, .08), transparent 60%),
    radial-gradient(900px 420px at -10% 0%, rgba(91, 157, 255, .07), transparent 60%),
    var(--ink);
  min-height: 100vh;
}
[hidden] { display: none !important; }
.muted { color: var(--muted); }
.small { font-size: 12px; }
.r { text-align: right; }
.num { font-family: var(--mono); font-variant-numeric: tabular-nums; }
.pos { color: var(--green); }
.neg { color: var(--red-2); }

/* 标志：三根上升柱 */
.logo {
  width: 36px; height: 36px; border-radius: 10px; flex: none;
  display: grid; place-items: center;
  background: linear-gradient(145deg, #1a2330, #0f141b); border: 1px solid var(--line-2);
}
.logo svg { width: 20px; height: 20px; fill: var(--accent); }
.logo-lg { width: 60px; height: 60px; border-radius: 16px; margin: 0 auto 18px; box-shadow: 0 10px 40px rgba(80, 227, 164, .18); }
.logo-lg svg { width: 32px; height: 32px; }

/* 按钮 */
.btn {
  appearance: none; cursor: pointer;
  border: 1px solid var(--line-2); background: var(--ink-3); color: var(--paper);
  padding: 7px 14px; border-radius: 9px; font: 500 13px var(--sans);
  transition: border-color .15s, background .15s, transform .05s;
}
.btn:hover { border-color: #4a4a52; background: #202024; }
.btn:active { transform: translateY(1px); }
.btn-primary { background: var(--paper); color: var(--ink); border-color: var(--paper); }
.btn-primary:hover { background: #fff; }
.btn-danger { border-color: rgba(240, 80, 90, .55); color: var(--red-2); background: rgba(240, 80, 90, .08); }
.btn-danger:hover { background: rgba(240, 80, 90, .16); border-color: var(--red); }
.btn-ghost { background: transparent; }

.pill {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 4px 10px; border-radius: 999px; font-size: 12px;
  border: 1px solid var(--line-2); color: var(--paper-2);
}
.pill::before { content: ""; width: 7px; height: 7px; border-radius: 50%; background: var(--muted); }
.pill.ok::before { background: var(--green); box-shadow: 0 0 0 3px rgba(76, 195, 138, .18); }
.pill.warn::before { background: var(--amber); }
.pill.bad::before { background: var(--red-2); }

/* 登录 */
.login { min-height: 100vh; display: grid; place-items: center; padding: 24px 16px; }
.login-card {
  width: min(380px, 100%); text-align: center;
  padding: 40px 32px 28px; border-radius: 20px;
  background: linear-gradient(180deg, rgba(26, 26, 29, .9), rgba(19, 19, 21, .9));
  border: 1px solid var(--line);
  box-shadow: 0 30px 80px rgba(0, 0, 0, .5);
}
.login-card h1 { font: 700 30px/1.1 var(--sans); letter-spacing: .06em; margin: 0 0 6px; }
.login-card p { margin: 0 0 24px; }
.login-card input {
  width: 100%; padding: 12px 14px; margin-bottom: 12px;
  border-radius: 10px; border: 1px solid var(--line-2); background: var(--ink);
  color: var(--paper); font: 15px var(--sans); outline: none;
}
.login-card input:focus { border-color: var(--accent); box-shadow: 0 0 0 3px rgba(80, 227, 164, .18); }
.login-card .btn { width: 100%; padding: 11px; font-size: 14px; }
.error { color: var(--red-2); min-height: 20px; margin: 12px 0 0 !important; font-size: 13px; }

/* 顶栏 */
.topbar {
  position: sticky; top: 0; z-index: 10;
  display: flex; align-items: center; justify-content: space-between; gap: 16px; flex-wrap: wrap;
  padding: 14px max(16px, calc((100vw - 1240px) / 2));
  background: rgba(12, 12, 13, .78); backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line);
}
.brand { display: flex; align-items: center; gap: 12px; }
.brand-name { font: 700 17px/1.2 var(--sans); letter-spacing: .04em; }
.brand-en { font: 500 11px var(--mono); color: var(--muted); letter-spacing: .2em; margin-left: 4px; }
.brand-sub { font-size: 12px; color: var(--muted); }
.topbar-right { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }

main { max-width: 1240px; margin: 0 auto; padding: 28px 16px 40px; }
section { margin-bottom: 36px; }
h2 {
  font: 600 15px/1 var(--sans); letter-spacing: .04em; margin: 0 0 16px;
  display: flex; align-items: center; gap: 10px;
}
.idx { font: 500 11px var(--mono); color: var(--accent); letter-spacing: .1em; }

/* 核心数字 */
.hero {
  display: grid; grid-template-columns: minmax(0, 1.5fr) repeat(3, minmax(0, 1fr)); gap: 1px;
  background: var(--line); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden;
}
.stat { background: var(--ink-2); padding: 22px 22px 20px; position: relative; min-width: 0; }
.stat-main { background: linear-gradient(135deg, #0f1d1a, var(--ink-2) 62%); }
.label { font-size: 12px; color: var(--muted); letter-spacing: .06em; }
.value {
  font: 600 30px/1.15 var(--mono); font-variant-numeric: tabular-nums;
  margin: 10px 0 6px; letter-spacing: -.02em; white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.stat-main .value { font-size: 40px; }
.sub { font-size: 12px; color: var(--paper-2); }
.spark { position: absolute; right: 18px; bottom: 16px; width: 42%; height: 46px; opacity: .9; }

/* 卡片 */
.grid-3 { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 14px; }
.grid-2 { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; }
.card, .panel {
  background: var(--ink-2); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 18px 20px; min-width: 0;
}
.card-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 14px; }
.card-title { font: 600 15px var(--sans); display: flex; align-items: center; gap: 8px; }
.venue-tag { font: 500 10px var(--mono); padding: 2px 6px; border-radius: 4px; background: var(--ink-3); color: var(--muted); letter-spacing: .08em; }
.dots { display: flex; gap: 6px; align-items: center; font-size: 11px; color: var(--muted); }
.dot { width: 7px; height: 7px; border-radius: 50%; background: var(--line-2); display: inline-block; }
.dot.on { background: var(--green); }
.dot.off { background: var(--red-2); }
.kv { display: grid; grid-template-columns: 1fr auto; row-gap: 8px; font-size: 13px; }
.kv dt { color: var(--muted); }
.kv dd { margin: 0; font-family: var(--mono); font-variant-numeric: tabular-nums; text-align: right; min-width: 0; overflow-wrap: anywhere; }
.big { font: 600 24px var(--mono); font-variant-numeric: tabular-nums; margin-bottom: 14px; }

/* 杠杆条 */
.gauge { margin-top: 14px; }
.gauge-track { position: relative; height: 6px; border-radius: 3px; background: var(--ink-3); overflow: visible; }
.gauge-fill { position: absolute; left: 0; top: 0; bottom: 0; border-radius: 3px; background: var(--green); transition: width .4s; }
.gauge-mark { position: absolute; top: -4px; width: 1px; height: 14px; background: var(--muted); }
.gauge-mark.red { background: var(--red-2); }
.gauge-labels { display: flex; justify-content: space-between; font: 11px var(--mono); color: var(--muted); margin-top: 6px; }

/* 表格 */
.table-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: var(--radius); background: var(--ink-2); }
.panel .table-wrap { border: 0; border-radius: 0; background: transparent; margin: 0 -20px -18px; }
.scroll { max-height: 360px; overflow-y: auto; }
.table { width: 100%; border-collapse: collapse; font-size: 13px; }
.table th {
  text-align: left; font: 500 11px var(--sans); color: var(--muted); letter-spacing: .05em;
  padding: 11px 16px; border-bottom: 1px solid var(--line); white-space: nowrap;
  position: sticky; top: 0; background: var(--ink-2);
}
.table td { padding: 12px 16px; border-bottom: 1px solid var(--line); white-space: nowrap; }
.table tr:last-child td { border-bottom: 0; }
.table td.num, .table td.r { font-family: var(--mono); font-variant-numeric: tabular-nums; }
.table.compact td { padding: 8px 16px; }
.sym { font-weight: 600; }
.sym small { display: block; color: var(--muted); font: 11px var(--mono); }
.empty { text-align: center; color: var(--muted); padding: 28px !important; }

.badge { display: inline-block; padding: 2px 8px; border-radius: 6px; font-size: 11px; font-weight: 500; }
.lv-ok { background: rgba(76, 195, 138, .12); color: var(--green); }
.lv-no_grow { background: rgba(229, 169, 59, .12); color: var(--amber); }
.lv-reduce, .lv-exit { background: rgba(255, 106, 77, .12); color: var(--red-2); }
.lv-emergency, .lv-halt { background: var(--red); color: var(--paper); }

.progress { width: 120px; height: 5px; background: var(--ink-3); border-radius: 3px; overflow: hidden; margin-bottom: 4px; }
.progress span { display: block; height: 100%; background: var(--paper-2); }

/* 图表 */
.panel-head { display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap; margin-bottom: 8px; }
.panel-head h2 { margin: 0; }
.chart { width: 100%; height: 220px; display: block; }
.chart text { font: 10px var(--mono); fill: var(--muted); }
.legend { display: flex; gap: 12px; font-size: 11px; color: var(--paper-2); flex-wrap: wrap; }
.legend i { display: inline-block; width: 9px; height: 9px; border-radius: 2px; margin-right: 5px; vertical-align: -1px; }
.vol-totals { display: grid; grid-template-columns: repeat(auto-fit, minmax(140px, 1fr)); gap: 10px; margin-top: 12px; }
.vol-totals div { border-top: 1px solid var(--line); padding-top: 10px; }
.vol-totals b { display: block; font: 600 16px var(--mono); margin-top: 2px; }

/* 风控 */
.checks { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 10px; }
.check {
  display: flex; gap: 12px; align-items: flex-start;
  background: var(--ink-2); border: 1px solid var(--line); border-radius: 12px; padding: 12px 14px;
}
.check .dot { margin-top: 6px; flex: none; }
.check.ok .dot { background: var(--green); }
.check.warn .dot { background: var(--amber); }
.check.bad { border-color: rgba(240, 80, 90, .5); }
.check.bad .dot { background: var(--red-2); box-shadow: 0 0 0 3px rgba(255, 106, 77, .2); }
.check b { font-weight: 500; font-size: 13px; display: block; }
.check span { font-size: 12px; color: var(--muted); }

/* 事件 */
.events { list-style: none; margin: 0 -20px -18px; padding: 0; }
.events li { padding: 9px 20px; border-bottom: 1px solid var(--line); font-size: 13px; display: flex; gap: 12px; }
.events time { color: var(--muted); font: 11px var(--mono); flex: none; padding-top: 2px; }
.events .warn { color: var(--amber); }
.events .error { color: var(--red-2); }

.foot { text-align: center; color: var(--muted); font-size: 12px; padding: 0 16px 32px; }
.dot-sep { margin: 0 8px; }

.dialog { border: 1px solid var(--line-2); border-radius: 16px; background: var(--ink-2); color: var(--paper); padding: 24px; width: min(420px, calc(100vw - 32px)); }
.dialog::backdrop { background: rgba(0, 0, 0, .6); backdrop-filter: blur(4px); }
.dialog h3 { margin: 0 0 8px; font: 600 17px var(--sans); }
.dialog-actions { display: flex; justify-content: flex-end; gap: 10px; margin-top: 20px; }

@media (max-width: 1000px) {
  .hero { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .stat-main { grid-column: 1 / -1; }
  .grid-3, .grid-2 { grid-template-columns: minmax(0, 1fr); }
}
@media (max-width: 560px) {
  .hero { grid-template-columns: minmax(0, 1fr); }
  .value { font-size: 26px; }
  .stat-main .value { font-size: 32px; }
  .spark { position: static; width: 100%; margin-top: 10px; }
  .topbar-right { width: 100%; }
  .brand-sub { display: none; }
}