:root {
  --bg: #f4f6f9;
  --panel: #ffffff;
  --panel-2: #f9fbfd;
  --ink: #172033;
  --muted: #6b7588;
  --line: #dce2ea;
  --red: #d93232;
  --green: #158457;
  --blue: #1f5fbf;
  --gold: #a96b0b;
  --shadow: 0 14px 34px rgba(24, 32, 51, .08);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--bg);
  font-family: Inter, "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  min-height: 58px;
  padding: 0 22px;
  border-bottom: 1px solid var(--line);
  background: rgba(255, 255, 255, .94);
  backdrop-filter: blur(12px);
}

.brand {
  display: flex;
  align-items: baseline;
  gap: 10px;
  white-space: nowrap;
}

.brand strong {
  font-size: 20px;
}

.brand span {
  color: var(--muted);
  font-size: 13px;
}

.nav {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.nav a {
  color: var(--ink);
  text-decoration: none;
  border: 1px solid transparent;
  border-radius: 6px;
  padding: 8px 10px;
  font-size: 14px;
}

.nav a.active,
.nav a:hover {
  border-color: #b8c8e6;
  background: #eef4ff;
  color: var(--blue);
}

.layout {
  max-width: 1440px;
  margin: 0 auto;
  padding: 18px;
}

.toolbar,
.panel {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.toolbar {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 14px;
  align-items: center;
  padding: 14px;
  margin-bottom: 14px;
}

.title h1 {
  margin: 0 0 5px;
  font-size: 24px;
  letter-spacing: 0;
}

.title p {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
}

.actions {
  display: flex;
  gap: 8px;
  align-items: center;
  flex-wrap: wrap;
  justify-content: flex-end;
}

select,
input,
button {
  height: 38px;
  border-radius: 6px;
  border: 1px solid #cbd4df;
  background: #fff;
  color: var(--ink);
  font: inherit;
  padding: 0 10px;
}

button {
  font-weight: 700;
  cursor: pointer;
}

button.primary {
  background: var(--blue);
  color: #fff;
  border-color: var(--blue);
}

.metrics {
  display: grid;
  grid-template-columns: repeat(4, minmax(130px, 1fr));
  gap: 10px;
  margin-bottom: 14px;
}

.metric {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 12px;
}

.metric span {
  display: block;
  color: var(--muted);
  font-size: 12px;
  margin-bottom: 5px;
}

.metric strong {
  font-size: 22px;
}

.table-wrap {
  overflow: auto;
  border-radius: 8px;
}

table {
  width: 100%;
  min-width: 1040px;
  border-collapse: collapse;
  background: var(--panel);
  font-size: 13px;
}

th,
td {
  padding: 10px 9px;
  border-bottom: 1px solid #edf1f5;
  text-align: right;
  white-space: nowrap;
}

th {
  color: #465166;
  background: #f6f8fb;
  font-weight: 700;
}

td:first-child,
td:nth-child(2),
th:first-child,
th:nth-child(2) {
  text-align: left;
}

tr:hover td {
  background: #f8fbff;
}

.code {
  color: var(--muted);
  font-family: "Fira Code", ui-monospace, monospace;
}

.up {
  color: var(--red);
}

.down {
  color: var(--green);
}

.muted {
  color: var(--muted);
}

.mini {
  height: 28px;
  padding: 0 8px;
  font-size: 12px;
}

.kline-detail td {
  background: #fbfcfe;
  padding: 12px;
}

.kline-panel {
  display: grid;
  grid-template-columns: minmax(320px, 1fr) 220px;
  gap: 14px;
  align-items: stretch;
}

.kline-canvas {
  width: 100%;
  height: 220px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
}

.kline-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}

.kline-stats div {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  padding: 9px;
}

.kline-stats span {
  display: block;
  color: var(--muted);
  font-size: 12px;
  margin-bottom: 4px;
}

.kline-stats strong {
  font-size: 15px;
}

.panel {
  padding: 14px;
  margin-bottom: 14px;
}

.grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(260px, 1fr));
  gap: 14px;
}

.filters {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  align-items: center;
}

.filters label {
  display: flex;
  align-items: center;
  gap: 6px;
  color: var(--muted);
  font-size: 13px;
}

.filters input[type="checkbox"] {
  width: 16px;
  height: 16px;
}

.recommend-list {
  display: grid;
  grid-template-columns: repeat(3, minmax(220px, 1fr));
  gap: 12px;
}

.card {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel-2);
  padding: 14px;
}

.card-head {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 8px;
}

.card h3 {
  margin: 0;
  font-size: 17px;
}

.badge {
  display: inline-flex;
  align-items: center;
  height: 24px;
  padding: 0 8px;
  border-radius: 999px;
  background: #fff2d9;
  color: var(--gold);
  font-weight: 700;
  font-size: 12px;
}

.reason {
  color: var(--muted);
  line-height: 1.6;
  margin: 8px 0 0;
  font-size: 13px;
}

.empty {
  padding: 32px;
  text-align: center;
  color: var(--muted);
}

@media (max-width: 760px) {
  .topbar,
  .toolbar {
    grid-template-columns: 1fr;
    align-items: start;
  }

  .topbar {
    display: block;
    padding: 12px;
  }

  .nav {
    justify-content: flex-start;
    margin-top: 10px;
  }

  .layout {
    padding: 12px;
  }

  .metrics,
  .grid,
  .recommend-list,
  .kline-panel {
    grid-template-columns: 1fr;
  }
}