/* ===== 基础 ===== */
* { margin: 0; padding: 0; box-sizing: border-box; }
:root {
  --bg: #f4f6fa;
  --card: #ffffff;
  --border: #e8ebf1;
  --text: #1f2937;
  --muted: #8a93a6;
  --primary: #1e4e8c;
  --primary-light: #e8f0fb;
  --up: #d9363e;       /* 涨 红 */
  --down: #16a34a;     /* 跌 绿 */
  --shadow: 0 1px 3px rgba(20, 40, 80, .06), 0 4px 16px rgba(20, 40, 80, .05);
}
body {
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Segoe UI", sans-serif;
  background: var(--bg);
  color: var(--text);
  font-size: 14px;
}
.hidden { display: none !important; }
.muted { color: var(--muted); font-size: 13px; }
code { background: #f0f2f6; padding: 1px 6px; border-radius: 4px; font-size: 12px; }
.num { font-variant-numeric: tabular-nums; }
.up { color: var(--up); }
.down { color: var(--down); }

/* ===== 顶栏 ===== */
.topbar {
  height: 60px; background: var(--card); border-bottom: 1px solid var(--border);
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 24px; position: sticky; top: 0; z-index: 50;
}
.brand { display: flex; align-items: center; gap: 10px; }
.brand h1 { font-size: 18px; font-weight: 650; letter-spacing: .5px; }
.brand-dot {
  width: 10px; height: 10px; border-radius: 50%;
  background: linear-gradient(135deg, #2f7de1, #1e4e8c);
  box-shadow: 0 0 0 4px rgba(46, 125, 225, .15);
}
.topbar-right { display: flex; align-items: center; gap: 14px; }
.quote-time { color: var(--muted); font-size: 12.5px; }

/* ===== Tabs ===== */
.tabs {
  background: var(--card); border-bottom: 1px solid var(--border);
  display: flex; padding: 0 16px; gap: 4px; position: sticky; top: 60px; z-index: 40;
}
.tab {
  border: none; background: none; padding: 13px 18px; cursor: pointer;
  font-size: 14px; color: var(--muted); border-bottom: 2px solid transparent;
  font-family: inherit;
}
.tab:hover { color: var(--text); }
.tab.active { color: var(--primary); border-bottom-color: var(--primary); font-weight: 600; }

/* ===== 布局 ===== */
.content { padding: 22px 24px 40px; max-width: 1440px; margin: 0 auto; }
.tab-panel { display: block; }
.cards {
  display: grid; grid-template-columns: repeat(6, 1fr); gap: 14px; margin-bottom: 18px;
}
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-top: 16px; }
.card {
  background: var(--card); border: 1px solid var(--border); border-radius: 10px;
  box-shadow: var(--shadow); margin-bottom: 16px;
}
.card.chart-card { margin-bottom: 0; }
.card-header {
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px 18px; border-bottom: 1px solid var(--border);
}
.card-header h3 { font-size: 15px; font-weight: 600; }
.pad { padding: 18px; display: flex; flex-direction: column; gap: 10px; align-items: flex-start; }

/* 总览卡片 */
.stat-card {
  background: var(--card); border: 1px solid var(--border); border-radius: 10px;
  padding: 14px 16px; box-shadow: var(--shadow);
}
.stat-card .label { font-size: 12.5px; color: var(--muted); margin-bottom: 7px; }
.stat-card .value { font-size: 21px; font-weight: 650; font-variant-numeric: tabular-nums; }
.stat-card .sub { font-size: 12px; margin-top: 4px; color: var(--muted); font-variant-numeric: tabular-nums; }

/* ===== 图表 ===== */
.chart { width: 100%; height: 340px; }
.seg-control { display: flex; background: #f0f2f6; border-radius: 7px; padding: 2px; }
.seg {
  border: none; background: none; padding: 5px 12px; font-size: 12.5px; cursor: pointer;
  border-radius: 5px; color: var(--muted); font-family: inherit;
}
.seg.active { background: var(--card); color: var(--text); box-shadow: 0 1px 3px rgba(0,0,0,.08); }

/* ===== 表格 ===== */
.table-wrap { overflow-x: auto; }
.data-table { width: 100%; border-collapse: collapse; font-size: 13.5px; }
.data-table th {
  text-align: right; padding: 11px 14px; background: #fafbfd; color: var(--muted);
  font-weight: 500; white-space: nowrap; border-bottom: 1px solid var(--border);
}
.data-table th:first-child, .data-table td:first-child,
.data-table th:nth-child(2), .data-table td:nth-child(2) { text-align: left; }
.data-table td { padding: 11px 14px; text-align: right; border-bottom: 1px solid #f2f4f8; white-space: nowrap; }
.data-table tbody tr:hover { background: #f8fafd; }
.data-table .code-cell { color: var(--muted); font-size: 12.5px; }
.tag { display: inline-block; padding: 2px 9px; border-radius: 11px; font-size: 12px; }
.tag.buy { background: #fdeaea; color: var(--up); }
.tag.sell { background: #e8f7ee; color: var(--down); }
.tag.on { background: #e8f0fb; color: var(--primary); }
.tag.off { background: #f0f2f6; color: var(--muted); }

/* ===== 按钮 ===== */
.btn {
  padding: 7px 14px; border: 1px solid var(--border); border-radius: 7px;
  background: var(--card); cursor: pointer; font-size: 13.5px; font-family: inherit;
  color: var(--text);
}
.btn:hover { border-color: #c9d2e0; background: #f8fafd; }
.btn.primary { background: var(--primary); border-color: var(--primary); color: #fff; }
.btn.primary:hover { background: #1a4276; }
.btn.ghost { background: none; border-color: transparent; color: var(--muted); }
.btn.ghost:hover { color: var(--text); background: #f0f2f6; }
.btn.sm { padding: 3px 9px; font-size: 12px; }
.btn.link-danger { color: var(--up); border: none; background: none; padding: 3px 8px; }
.btn.link-danger:hover { background: #fdeaea; border-radius: 5px; }

/* ===== 弹窗 ===== */
.modal-mask {
  position: fixed; inset: 0; background: rgba(20, 30, 50, .42); z-index: 100;
  display: flex; align-items: center; justify-content: center; padding: 20px;
}
.modal-box {
  background: var(--card); border-radius: 12px; width: 600px; max-width: 100%;
  max-height: 90vh; overflow-y: auto; box-shadow: 0 20px 60px rgba(0,0,0,.25);
}
.modal-box.small { width: 420px; }
.modal-box h3 { padding: 18px 20px 14px; font-size: 16px; }
.modal-actions {
  display: flex; justify-content: flex-end; gap: 10px;
  padding: 14px 20px 18px; border-top: 1px solid var(--border); margin-top: 14px;
}
.form-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 13px; padding: 0 20px;
}
.form-grid label {
  display: flex; flex-direction: column; gap: 5px; font-size: 12.5px; color: var(--muted);
}
.form-grid input, .form-grid select {
  padding: 8px 10px; border: 1px solid var(--border); border-radius: 7px;
  font-size: 13.5px; color: var(--text); font-family: inherit; background: var(--card);
}
.form-grid input:focus, .form-grid select:focus { outline: none; border-color: var(--primary); }
.form-grid input[readonly] { background: #f7f8fa; color: var(--muted); }
#keyInput { margin: 0 20px; width: calc(100% - 40px); padding: 9px 11px;
  border: 1px solid var(--border); border-radius: 7px; font-size: 14px; }
#keyModal .modal-actions { border-top: none; }
#keyModal p { padding: 0 20px 10px; }

/* ===== 导入 ===== */
.upload-zone {
  margin: 4px 20px 18px; border: 2px dashed #cfd8e6; border-radius: 10px;
  padding: 40px 20px; text-align: center; cursor: pointer; transition: .15s;
}
.upload-zone:hover, .upload-zone.dragover { border-color: var(--primary); background: var(--primary-light); }
.import-summary { margin: 14px 20px; display: flex; gap: 16px; flex-wrap: wrap; }
.import-summary .chip {
  background: #f4f6fa; padding: 7px 14px; border-radius: 20px; font-size: 13px;
}
.import-summary .chip b { color: var(--primary); }
.import-preview { margin: 0 20px; max-height: 300px; border: 1px solid var(--border); border-radius: 8px; }

/* ===== Toast ===== */
.toast {
  position: fixed; bottom: 32px; left: 50%; transform: translateX(-50%);
  background: #2c3340; color: #fff; padding: 10px 20px; border-radius: 8px;
  font-size: 13.5px; z-index: 200; box-shadow: 0 6px 20px rgba(0,0,0,.25);
}

/* ===== 响应式 ===== */
@media (max-width: 1100px) {
  .cards { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 760px) {
  .cards { grid-template-columns: repeat(2, 1fr); }
  .grid-2 { grid-template-columns: 1fr; }
  .content { padding: 14px; }
  .topbar { padding: 0 14px; }
  .tabs { padding: 0 6px; overflow-x: auto; }
  .tab { padding: 12px 12px; }
}