:root {
  --bg: #0d1b2a;
  --card: #ffffff;
  --ink: #1a2733;
  --muted: #6b7c8c;
  --line: #e3e9ef;
  --up: #e53935;
  --down: #1e8e3e;
  --accent: #1565c0;
}

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

/* ---- 顶栏 ---- */
.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 20px;
  background: #12263f;
  position: sticky;
  top: 0;
  z-index: 10;
}
.brand a { color: #fff; font-size: 18px; font-weight: 700; text-decoration: none; }
.topbar nav a {
  color: #b8c7d6;
  text-decoration: none;
  margin-left: 18px;
  font-size: 14px;
  padding-bottom: 4px;
  border-bottom: 2px solid transparent;
}
.topbar nav a.active { color: #fff; border-bottom-color: #4fc3f7; }
.topbar nav a.logout { color: #ef9a9a; }

/* ---- 布局 ---- */
.container { max-width: 1200px; margin: 18px auto; padding: 0 16px; }
.card {
  background: var(--card);
  border-radius: 10px;
  padding: 16px 18px;
  margin-bottom: 16px;
  box-shadow: 0 2px 8px rgba(0,0,0,.25);
}
.card-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 10px;
}
.card-head h2 { margin: 0; font-size: 16px; }
.actions { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }

/* ---- 通用控件 ---- */
input, select {
  padding: 6px 8px;
  border: 1px solid var(--line);
  border-radius: 6px;
  font-size: 13px;
}
button {
  padding: 6px 14px;
  border: none;
  border-radius: 6px;
  background: var(--accent);
  color: #fff;
  font-size: 13px;
  cursor: pointer;
}
button:hover { opacity: .9; }
button.mini { padding: 3px 8px; font-size: 12px; background: #607d8b; }
button.danger { background: #c62828; }
.btn-link {
  color: var(--accent);
  font-size: 13px;
  text-decoration: none;
  padding: 6px 10px;
}
.hint { color: var(--muted); font-size: 13px; }
.muted { color: var(--muted); font-size: 12px; }

/* ---- 涨跌色（红涨绿跌）---- */
.up { color: var(--up); }
.down { color: var(--down); }
.flat { color: var(--muted); }
.big { font-size: 22px; font-weight: 700; margin-right: 10px; }

/* ---- 表格 ---- */
.table { width: 100%; border-collapse: collapse; font-size: 13px; }
.table th, .table td {
  padding: 8px 6px;
  border-bottom: 1px solid var(--line);
  text-align: right;
  white-space: nowrap;
}
.table th { color: var(--muted); font-weight: 500; background: #f5f8fa; }
.table td:first-child, .table th:first-child { text-align: left; }
.table td:nth-child(2), .table th:nth-child(2) { text-align: left; }
.table a { color: var(--accent); text-decoration: none; }
.table tfoot td { border-top: 2px solid var(--line); }

/* ---- 指数条 ---- */
.index-row { display: flex; gap: 14px; flex-wrap: wrap; }
.index-item {
  flex: 1;
  min-width: 150px;
  background: #f5f8fa;
  border-radius: 8px;
  padding: 12px 14px;
}
.index-item .name { color: var(--muted); font-size: 13px; }
.index-item .price { font-size: 20px; font-weight: 700; margin: 4px 0 2px; }
.index-item .pct { font-size: 13px; }

.badge {
  font-size: 12px;
  padding: 3px 10px;
  border-radius: 999px;
  background: #eceff1;
  color: var(--muted);
}
.badge.on { background: #e8f5e9; color: var(--down); }
.badge.off { background: #fff3e0; color: #ef6c00; }

/* ---- 图表 ---- */
.chart-big { width: 100%; height: 420px; }
.chart-sub { width: 100%; height: 180px; }
.sub-chart-row { display: flex; gap: 12px; margin-top: 10px; }
.sub-chart { flex: 1; min-width: 0; }
.sub-title { color: var(--muted); font-size: 12px; padding: 4px 0; }
.quote-line {
  display: flex;
  gap: 16px;
  align-items: baseline;
  flex-wrap: wrap;
  padding: 8px 0 12px;
  font-size: 13px;
}

/* ---- 估值面板 ---- */
.val-row { display: flex; gap: 14px; flex-wrap: wrap; margin-bottom: 12px; }
.val-item {
  flex: 1;
  min-width: 180px;
  background: #f5f8fa;
  border-radius: 8px;
  padding: 12px 14px;
}
.val-item .label { color: var(--muted); font-size: 12px; }
.val-item .num { font-size: 22px; font-weight: 700; margin: 4px 0; }
.val-item .pct { font-size: 12px; }
.val-item .range { color: var(--muted); font-size: 11px; margin-top: 4px; }
.pctbar {
  display: inline-block;
  width: 90px;
  height: 6px;
  background: #eceff1;
  border-radius: 3px;
  vertical-align: middle;
  overflow: hidden;
}
.pctbar i { display: block; height: 100%; }

/* ---- 文档列表 ---- */
.doc li { margin: 6px 0; font-size: 13px; color: #37474f; }

/* ---- 登录页 ---- */
.login-body {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
}
.login-card {
  background: var(--card);
  border-radius: 12px;
  padding: 32px 28px;
  width: 320px;
  box-shadow: 0 8px 30px rgba(0,0,0,.35);
}
.login-card h1 { margin: 0; font-size: 22px; text-align: center; }
.login-card .sub { text-align: center; color: var(--muted); margin: 6px 0 18px; }
.login-card input {
  width: 100%;
  margin: 8px 0;
  padding: 10px;
}
.login-card button { width: 100%; padding: 10px; margin-top: 10px; font-size: 15px; }

/* ---- 其它 ---- */
.flashes { max-width: 1200px; margin: 12px auto 0; padding: 0 16px; }
.flash {
  padding: 10px 12px;
  border-radius: 8px;
  margin-bottom: 8px;
  font-size: 13px;
}
.flash.error { background: #ffebee; color: #c62828; }
.flash.message { background: #e3f2fd; color: #1565c0; }
.footer {
  text-align: center;
  color: #78909c;
  font-size: 12px;
  padding: 18px 10px 28px;
}

@media (max-width: 720px) {
  .sub-chart-row { flex-direction: column; }
  .table { display: block; overflow-x: auto; }
}