:root {
  --bg: #05070d;
  --bg-soft: #0a0e1a;
  --panel: rgba(16, 22, 38, 0.72);
  --panel-solid: #0d1322;
  --line: rgba(120, 160, 220, 0.14);
  --line-strong: rgba(120, 200, 255, 0.32);
  --txt: #dbe6f5;
  --txt-dim: #7b8aa5;
  --txt-faint: #4e5c74;
  --cyan: #22d3ee;
  --blue: #3b82f6;
  --violet: #8b5cf6;
  --up: #ff4d5e;
  --down: #00e08a;
  --warn: #ffb020;
  --radius: 14px;
  --mono: "SF Mono", "JetBrains Mono", "Cascadia Mono", Consolas, Menlo, monospace;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--txt);
  font-family: "PingFang SC", "Microsoft YaHei", -apple-system, "Segoe UI", sans-serif;
  font-size: 14px;
  -webkit-font-smoothing: antialiased;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  background:
    radial-gradient(900px 520px at 12% -8%, rgba(34, 211, 238, 0.13), transparent 60%),
    radial-gradient(760px 460px at 88% 4%, rgba(139, 92, 246, 0.12), transparent 62%),
    radial-gradient(620px 620px at 50% 108%, rgba(59, 130, 246, 0.10), transparent 60%);
}

body::after {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  opacity: 0.5;
  background-image:
    linear-gradient(rgba(120, 180, 255, 0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(120, 180, 255, 0.045) 1px, transparent 1px);
  background-size: 46px 46px;
  mask-image: radial-gradient(ellipse 120% 90% at 50% 0%, #000 25%, transparent 78%);
}

.wrap { position: relative; z-index: 1; max-width: 1400px; margin: 0 auto; padding: 0 24px 72px; }

/* ---------- Header ---------- */
.hdr {
  position: relative;
  padding: 34px 0 22px;
  border-bottom: 1px solid var(--line);
  margin-bottom: 26px;
}
.hdr::after {
  content: "";
  position: absolute;
  left: 0; bottom: -1px;
  width: 190px; height: 1px;
  background: linear-gradient(90deg, var(--cyan), transparent);
  box-shadow: 0 0 12px var(--cyan);
}
.brand { display: flex; align-items: center; gap: 14px; flex-wrap: wrap; }
.logo {
  width: 40px; height: 40px;
  border-radius: 11px;
  display: grid; place-items: center;
  background: linear-gradient(140deg, rgba(34,211,238,.22), rgba(139,92,246,.22));
  border: 1px solid rgba(34, 211, 238, 0.4);
  box-shadow: 0 0 22px rgba(34, 211, 238, 0.22), inset 0 0 14px rgba(34, 211, 238, 0.1);
  flex: none;
}
.logo svg { width: 21px; height: 21px; }
h1 {
  margin: 0;
  font-size: 24px;
  letter-spacing: 0.5px;
  font-weight: 650;
  display: flex; align-items: baseline; gap: 10px;
}
h1 .en {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 2.4px;
  color: var(--cyan);
  text-transform: uppercase;
  opacity: .85;
}
.sub { margin-top: 8px; color: var(--txt-dim); font-size: 12.5px; display: flex; gap: 16px; flex-wrap: wrap; align-items: center; }
.dot { width: 6px; height: 6px; border-radius: 50%; background: var(--down); box-shadow: 0 0 8px var(--down); animation: pulse 2s infinite; flex: none; }
@keyframes pulse { 0%,100% { opacity: 1; } 50% { opacity: .35; } }
.live { display: inline-flex; align-items: center; gap: 7px; font-family: var(--mono); font-size: 11px; color: var(--txt-dim); }

/* ---------- KPI ---------- */
.kpis {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(196px, 1fr));
  gap: 14px;
  margin-bottom: 26px;
}
.kpi {
  position: relative;
  padding: 17px 18px;
  border-radius: var(--radius);
  background: var(--panel);
  border: 1px solid var(--line);
  backdrop-filter: blur(10px);
  overflow: hidden;
}
.kpi::before {
  content: "";
  position: absolute; top: 0; left: 0; right: 0; height: 1px;
  background: linear-gradient(90deg, transparent, var(--accent, var(--cyan)), transparent);
  opacity: .7;
}
.kpi .k { font-size: 11.5px; color: var(--txt-dim); letter-spacing: .4px; }
.kpi .v {
  font-family: var(--mono);
  font-size: 27px;
  font-weight: 600;
  margin-top: 9px;
  letter-spacing: -0.5px;
  line-height: 1.1;
}
.kpi .v small { font-size: 13px; color: var(--txt-dim); font-weight: 400; margin-left: 3px; }
.kpi .d { margin-top: 7px; font-size: 11.5px; color: var(--txt-faint); font-family: var(--mono); }

/* ---------- Toolbar ---------- */
.bar {
  display: flex; gap: 10px; flex-wrap: wrap; align-items: center;
  margin-bottom: 18px;
}
.search {
  position: relative; flex: 1 1 240px; min-width: 200px;
}
.search input {
  width: 100%;
  background: rgba(10, 15, 28, .8);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 10px 13px 10px 34px;
  color: var(--txt);
  font-size: 13px;
  outline: none;
  transition: border-color .18s, box-shadow .18s;
  font-family: var(--mono);
}
.search input:focus { border-color: var(--line-strong); box-shadow: 0 0 0 3px rgba(34,211,238,.08); }
.search svg { position: absolute; left: 11px; top: 50%; transform: translateY(-50%); width: 14px; height: 14px; opacity: .45; }
.seg { display: flex; background: rgba(10,15,28,.8); border: 1px solid var(--line); border-radius: 10px; padding: 3px; gap: 2px; }
.seg button {
  background: none; border: 0; color: var(--txt-dim);
  padding: 7px 13px; border-radius: 7px; cursor: pointer;
  font-size: 12.5px; font-family: inherit; white-space: nowrap;
  transition: all .16s;
}
.seg button:hover { color: var(--txt); }
.seg button.on { background: rgba(34,211,238,.14); color: var(--cyan); box-shadow: inset 0 0 0 1px rgba(34,211,238,.28); }

/* ---------- Grid ---------- */
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(272px, 1fr));
  gap: 14px;
}
.card {
  position: relative;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 15px 16px 12px;
  cursor: pointer;
  backdrop-filter: blur(10px);
  transition: transform .18s cubic-bezier(.2,.8,.3,1), border-color .18s, box-shadow .18s;
  overflow: hidden;
}
.card:hover {
  transform: translateY(-3px);
  border-color: var(--line-strong);
  box-shadow: 0 14px 34px rgba(0, 0, 0, .45), 0 0 0 1px rgba(34, 211, 238, .1);
}
.card.off { opacity: .42; }
.card.pick { border-color: var(--violet); box-shadow: 0 0 0 1px rgba(139,92,246,.5), 0 0 22px rgba(139,92,246,.18); }
.card .top { display: flex; justify-content: space-between; align-items: flex-start; gap: 10px; }
.dname {
  font-family: var(--mono);
  font-size: 15px; font-weight: 600; letter-spacing: -.2px;
  word-break: break-all; line-height: 1.3;
}
.tag {
  font-size: 10px; padding: 2.5px 7px; border-radius: 5px;
  border: 1px solid var(--line); color: var(--txt-faint);
  font-family: var(--mono); white-space: nowrap; flex: none;
}
.tag.warn { color: var(--warn); border-color: rgba(255,176,32,.4); background: rgba(255,176,32,.08); }
.tag.arch { color: var(--txt-faint); }
.prow { display: flex; align-items: baseline; gap: 8px; margin-top: 11px; }
.price { font-family: var(--mono); font-size: 23px; font-weight: 600; letter-spacing: -1px; }
.chg { font-family: var(--mono); font-size: 12px; font-weight: 600; }
.up { color: var(--up); }
.down { color: var(--down); }
.flat { color: var(--txt-faint); }
.spark { margin-top: 10px; height: 46px; }
.spark svg { display: block; width: 100%; height: 46px; overflow: visible; }
.cfoot {
  margin-top: 9px; padding-top: 9px; border-top: 1px solid var(--line);
  display: flex; justify-content: space-between; font-size: 11px;
  color: var(--txt-faint); font-family: var(--mono);
}

/* ---------- Modal ---------- */
.mask {
  position: fixed; inset: 0; z-index: 50;
  background: rgba(3, 5, 10, .78);
  backdrop-filter: blur(6px);
  display: none; place-items: center;
  padding: 26px;
}
.mask.show { display: grid; }
.modal {
  width: min(940px, 100%);
  max-height: 88vh; overflow: auto;
  background: var(--panel-solid);
  border: 1px solid var(--line-strong);
  border-radius: 18px;
  padding: 24px;
  box-shadow: 0 30px 90px rgba(0,0,0,.7);
  animation: pop .22s cubic-bezier(.2,.8,.3,1);
}
@keyframes pop { from { opacity: 0; transform: translateY(14px) scale(.98); } }
.modal .mh { display: flex; justify-content: space-between; align-items: flex-start; gap: 16px; margin-bottom: 16px; }
.modal h2 { margin: 0; font-family: var(--mono); font-size: 21px; letter-spacing: -.3px; }
.modal .msub { margin-top: 6px; font-size: 12px; color: var(--txt-dim); }
.x {
  background: none; border: 1px solid var(--line); color: var(--txt-dim);
  width: 30px; height: 30px; border-radius: 8px; cursor: pointer; font-size: 16px; line-height: 1;
  flex: none; transition: all .16s;
}
.x:hover { color: var(--txt); border-color: var(--line-strong); background: rgba(255,255,255,.04); }
.chartbox { position: relative; margin: 6px 0 4px; }
.chartbox svg { display: block; width: 100%; }
.tip {
  position: absolute; pointer-events: none; z-index: 5;
  background: rgba(6, 10, 20, .95);
  border: 1px solid var(--line-strong);
  border-radius: 9px; padding: 8px 11px;
  font-family: var(--mono); font-size: 11.5px; line-height: 1.65;
  box-shadow: 0 8px 26px rgba(0,0,0,.6);
  opacity: 0; transition: opacity .12s; white-space: nowrap;
}
.tip.show { opacity: 1; }
.stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(110px, 1fr)); gap: 10px; margin-top: 18px; }
.stat { background: rgba(255,255,255,.025); border: 1px solid var(--line); border-radius: 10px; padding: 11px 13px; }
.stat .k { font-size: 10.5px; color: var(--txt-dim); }
.stat .v { font-family: var(--mono); font-size: 15px; font-weight: 600; margin-top: 5px; }
.legend { display: flex; gap: 14px; flex-wrap: wrap; margin-top: 12px; font-size: 11.5px; font-family: var(--mono); color: var(--txt-dim); }
.legend i { display: inline-block; width: 14px; height: 2.5px; border-radius: 2px; margin-right: 6px; vertical-align: middle; }

/* ---------- States ---------- */
.empty, .loading {
  text-align: center; padding: 70px 20px; color: var(--txt-dim);
}
.spinner {
  width: 30px; height: 30px; margin: 0 auto 16px;
  border: 2px solid rgba(34,211,238,.18);
  border-top-color: var(--cyan);
  border-radius: 50%;
  animation: spin .8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

.foot {
  margin-top: 40px; padding-top: 18px;
  border-top: 1px solid var(--line);
  font-size: 11.5px; color: var(--txt-faint);
  display: flex; justify-content: space-between; gap: 14px; flex-wrap: wrap;
}
.hint {
  margin-top: 12px; padding: 11px 14px;
  border: 1px dashed rgba(255,176,32,.32);
  background: rgba(255,176,32,.05);
  border-radius: 10px; font-size: 12px; color: var(--warn);
  line-height: 1.7;
}
.hint code { font-family: var(--mono); background: rgba(255,255,255,.06); padding: 1px 5px; border-radius: 4px; }

@media (max-width: 640px) {
  .wrap { padding: 0 15px 52px; }
  h1 { font-size: 19px; }
  .kpi .v { font-size: 22px; }
  .grid { grid-template-columns: 1fr; }
  .modal { padding: 17px; }
}