:root {
  --bg: #0c0a08;
  --card: rgba(36, 29, 20, 0.82);
  --line: rgba(232, 196, 122, 0.18);
  --gold: #e8c47a;
  --gold-2: #f6e2b3;
  --text: #f4efe6;
  --muted: #b3a48d;
  --up: #f6465d;
  --down: #0ecb81;
  --shadow: 0 20px 50px rgba(0, 0, 0, 0.35);
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: "PingFang SC", "Hiragino Sans GB", "Noto Sans SC", "Microsoft YaHei", sans-serif;
  background: radial-gradient(1200px 600px at 10% -10%, #3a2a14 0%, transparent 50%), var(--bg);
  color: var(--text);
  min-height: 100vh;
}

.bg-glow {
  position: fixed;
  inset: auto -120px -180px auto;
  width: 420px;
  height: 420px;
  background: radial-gradient(circle, rgba(232, 196, 122, 0.18), transparent 70%);
  pointer-events: none;
}

.topbar, main, footer, .panel {
  width: min(1100px, calc(100% - 32px));
  margin-left: auto;
  margin-right: auto;
}

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 28px 0 12px;
}

.brand { display: flex; gap: 14px; align-items: center; }
.brand h1 { margin: 0; font-size: 24px; letter-spacing: 0.12em; }
.brand p { margin: 4px 0 0; color: var(--muted); font-size: 13px; }
.logo {
  width: 46px;
  height: 46px;
  border-radius: 14px;
  display: grid;
  place-items: center;
  background: linear-gradient(180deg, #f3d790, #c4963c);
  color: #3a2a10;
  font-weight: 700;
  font-size: 22px;
  box-shadow: var(--shadow);
}

.status { display: flex; align-items: center; gap: 8px; color: var(--muted); font-size: 13px; }
.dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #888;
  box-shadow: 0 0 0 4px rgba(255,255,255,0.04);
}
.dot.ok { background: #0ecb81; }
.dot.err { background: #f6465d; }

.module { margin: 22px 0 8px; }
.module h2 {
  margin: 0 0 12px;
  font-size: 15px;
  font-weight: 500;
  color: var(--gold);
  letter-spacing: 0.18em;
}

.panel, .card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 22px;
  box-shadow: var(--shadow);
  backdrop-filter: blur(12px);
}

.cards {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}
.cards.gold-grid { grid-template-columns: minmax(240px, 320px); }

.card {
  padding: 18px 20px;
  cursor: pointer;
  text-align: left;
  color: inherit;
  width: 100%;
}
.card:hover, .card.active {
  border-color: rgba(232, 196, 122, 0.55);
}
.card h3 { margin: 0; font-size: 14px; color: var(--gold-2); font-weight: 500; }
.card .price { font-size: 28px; font-weight: 700; margin: 10px 0 6px; }
.card .unit { color: var(--muted); font-size: 12px; margin-left: 4px; font-weight: 500; }
.card .meta { color: var(--muted); font-size: 12px; display: flex; justify-content: space-between; gap: 8px; }

.up { color: var(--up); }
.down { color: var(--down); }
.flat { color: var(--muted); }

.panel { margin: 20px auto; padding: 20px 22px 12px; }
.panel-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}
.chart-controls {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}
.chart-select-wrap {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--muted);
  font-size: 13px;
}
#chart-symbol { min-width: 140px; }
.panel h2 { margin: 0; font-size: 18px; color: var(--text); letter-spacing: 0; }
.range-tabs { display: flex; gap: 8px; }
.range-tabs button, #save-alert, select, input {
  background: #241c14;
  color: var(--text);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 8px 12px;
}
.range-tabs button.active, #save-alert {
  background: linear-gradient(180deg, #f3d790, #c4963c);
  color: #3a2a10;
  font-weight: 600;
  cursor: pointer;
}
#save-alert { cursor: pointer; }
.hint { color: var(--muted); font-size: 13px; margin: 10px 0 8px; }
#chart { width: 100%; display: block; }

.alert-row {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 12px;
}
.alert-row label { display: flex; flex-direction: column; gap: 6px; font-size: 13px; color: var(--muted); }
.alert-banner {
  margin-top: 14px;
  padding: 12px 14px;
  border-radius: 12px;
  background: rgba(246, 70, 93, 0.12);
  border: 1px solid rgba(246, 70, 93, 0.35);
}
.hidden { display: none; }

footer {
  color: var(--muted);
  font-size: 12px;
  padding: 8px 0 28px;
  text-align: center;
}
footer p { margin: 0 0 8px; }
footer .beian {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}
footer .beian a {
  color: var(--muted);
  text-decoration: none;
}
footer .beian a:hover {
  color: var(--gold-2);
  text-decoration: underline;
}
footer .beian .gongan {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
footer .beian .gongan img {
  width: 18px;
  height: 18px;
  display: block;
}

@media (max-width: 900px) {
  .cards { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 560px) {
  .cards, .cards.gold-grid { grid-template-columns: 1fr; }
}