/* ===== 中国电力市场关键指标跟踪 · 驾驶舱主题 ===== */
:root {
  --bg: #070b14;
  --bg-grad1: #0a1120;
  --panel: rgba(16, 24, 43, 0.78);
  --panel-border: rgba(64, 196, 255, 0.22);
  --panel-glow: rgba(64, 196, 255, 0.08);
  --accent: #35e0c0;
  --accent2: #3aa0ff;
  --warn: #ffb454;
  --danger: #ff6b6b;
  --text: #d7e3f4;
  --text-dim: #7d8db0;
  --font-mono: "SF Mono", Consolas, "Courier New", monospace;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
body {
  background:
    radial-gradient(1100px 500px at 85% -10%, rgba(38, 99, 235, 0.16), transparent 60%),
    radial-gradient(900px 480px at -10% 20%, rgba(53, 224, 192, 0.10), transparent 55%),
    var(--bg);
  color: var(--text);
  font-family: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  min-height: 100vh;
}
.dashboard { max-width: 1480px; margin: 0 auto; padding: 14px 18px 30px; }

/* ---------- 顶部 ---------- */
.topbar {
  display: flex; align-items: center; justify-content: space-between;
  gap: 18px; flex-wrap: wrap;
  padding: 14px 22px;
  background: linear-gradient(135deg, rgba(20, 32, 58, 0.9), rgba(10, 17, 32, 0.85));
  border: 1px solid var(--panel-border);
  border-radius: 14px;
  box-shadow: 0 0 26px var(--panel-glow), inset 0 1px 0 rgba(255,255,255,0.04);
}
.brand { display: flex; align-items: center; gap: 14px; }
.logo {
  font-size: 30px; line-height: 1;
  filter: drop-shadow(0 0 10px rgba(53, 224, 192, 0.7));
}
.brand-text h1 {
  font-size: 20px; font-weight: 700; letter-spacing: 1px;
  background: linear-gradient(90deg, #7fe9ff, #35e0c0, #8ff0d6);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.subtitle { font-size: 12px; color: var(--text-dim); margin-top: 4px; }
.subtitle .live { color: var(--accent); }

.controls { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }
.search-box { position: relative; }
.search-box input {
  width: 230px; padding: 9px 14px; border-radius: 9px;
  background: rgba(10, 16, 30, 0.85);
  border: 1px solid rgba(122, 148, 199, 0.3);
  color: var(--text); font-size: 13px; outline: none;
  transition: border-color .2s, box-shadow .2s;
}
.search-box input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(53, 224, 192, 0.15);
}
.search-box input::placeholder { color: #5a6a8c; }
.suggest {
  position: absolute; top: calc(100% + 6px); left: 0; z-index: 50;
  width: 100%; max-height: 280px; overflow-y: auto;
  background: #0d1526; border: 1px solid var(--panel-border);
  border-radius: 10px; display: none;
  box-shadow: 0 12px 30px rgba(0,0,0,0.5);
}
.suggest .item { padding: 9px 14px; cursor: pointer; font-size: 13px; }
.suggest .item:hover, .suggest .item.active { background: rgba(53,224,192,0.12); color: var(--accent); }
.suggest .item small { color: var(--text-dim); margin-left: 8px; }

#regionSelect {
  padding: 9px 12px; border-radius: 9px; font-size: 13px;
  background: rgba(10, 16, 30, 0.85); color: var(--text);
  border: 1px solid rgba(122, 148, 199, 0.3); outline: none; cursor: pointer;
}
#regionSelect:focus { border-color: var(--accent); }
#refreshBtn {
  padding: 9px 16px; border-radius: 9px; cursor: pointer;
  background: linear-gradient(135deg, rgba(53,224,192,0.18), rgba(58,160,255,0.18));
  border: 1px solid var(--accent); color: var(--accent);
  font-size: 13px; transition: all .2s;
}
#refreshBtn:hover { background: rgba(53,224,192,0.28); box-shadow: 0 0 14px rgba(53,224,192,0.35); }

/* ---------- Tab 导航 ---------- */
.tabs {
  display: flex; gap: 6px; flex-wrap: wrap;
  margin: 16px 0 14px; padding: 6px;
  background: rgba(10, 16, 30, 0.6);
  border: 1px solid rgba(122, 148, 199, 0.18);
  border-radius: 12px;
}
.tabs button {
  padding: 9px 20px; border: none; background: transparent;
  color: var(--text-dim); font-size: 14px; cursor: pointer;
  border-radius: 8px; transition: all .2s;
}
.tabs button:hover { color: var(--text); background: rgba(255,255,255,0.05); }
.tabs button.active {
  color: #06202b;
  background: linear-gradient(135deg, var(--accent), #7fe9ff);
  font-weight: 700;
  box-shadow: 0 0 16px rgba(53,224,192,0.35);
}

/* ---------- 卡片网格 ---------- */
.grid { display: grid; gap: 14px; }
.grid.cols-4 { grid-template-columns: repeat(4, 1fr); }
.grid.cols-5 { grid-template-columns: repeat(5, 1fr); }
.grid.cols-6 { grid-template-columns: repeat(6, 1fr); }
.grid.cols-3 { grid-template-columns: repeat(3, 1fr); }
.grid.cols-2 { grid-template-columns: repeat(2, 1fr); }
.grid .span2 { grid-column: span 2; }
.grid .span3 { grid-column: span 3; }
@media (max-width: 1100px) {
  .grid.cols-6, .grid.cols-5, .grid.cols-4, .grid.cols-3 { grid-template-columns: repeat(2, 1fr); }
  .grid.cols-2 { grid-template-columns: 1fr; }
  .grid .span2, .grid .span3 { grid-column: span 2; }
}
@media (max-width: 640px) {
  .grid.cols-6, .grid.cols-5, .grid.cols-4, .grid.cols-3, .grid.cols-2 { grid-template-columns: 1fr; }
  .grid .span2, .grid .span3 { grid-column: span 1; }
}

.card {
  position: relative;
  background: var(--panel);
  border: 1px solid var(--panel-border);
  border-radius: 14px;
  padding: 16px 18px 12px;
  box-shadow: 0 4px 22px rgba(0,0,0,0.28), inset 0 1px 0 rgba(255,255,255,0.03);
  transition: border-color .2s;
}
.card:hover { border-color: rgba(64, 196, 255, 0.45); }
.card-title {
  display: flex; align-items: center; gap: 8px;
  font-size: 14px; font-weight: 600; color: #bcd0ee;
  margin-bottom: 10px;
}
.card-title::before {
  content: ""; width: 4px; height: 14px; border-radius: 2px;
  background: linear-gradient(180deg, var(--accent), var(--accent2));
}
.card-extra { margin-left: auto; font-size: 12px; color: var(--text-dim); font-weight: 400; }

.chart { width: 100%; height: 300px; }

/* KPI 大数字卡 */
.kpi {
  display: flex; flex-direction: column; justify-content: center;
  min-height: 118px;
}
.kpi .label { font-size: 13px; color: var(--text-dim); }
.kpi .value {
  font-size: 34px; font-weight: 700; font-family: var(--font-mono);
  margin: 8px 0 4px; line-height: 1.1;
}
.kpi .value .unit { font-size: 15px; color: var(--text-dim); font-weight: 500; margin-left: 5px; }
.kpi .sub { font-size: 12px; color: var(--text-dim); }
.kpi .sub .up { color: var(--danger); }
.kpi .sub .down { color: var(--accent); }

/* 迷你徽标 / 内联下拉 */
.mini-badge {
  display: inline-block; padding: 3px 10px; border-radius: 12px;
  background: rgba(58,160,255,0.10); border: 1px solid rgba(58,160,255,0.28);
  color: var(--text-dim); font-size: 11px;
}
.mini-badge b { color: var(--accent); font-weight: 700; }
.inline-select {
  padding: 5px 10px; border-radius: 8px; font-size: 12px;
  background: rgba(10, 16, 30, 0.9); color: var(--text);
  border: 1px solid rgba(122, 148, 199, 0.35); outline: none; cursor: pointer;
}
.inline-select:focus { border-color: var(--accent); }
.card-title .inline-select { margin-left: 8px; }

/* 数据来源脚注 */
.src-foot {
  margin-top: 10px; padding-top: 8px;
  border-top: 1px dashed rgba(122, 148, 199, 0.22);
  font-size: 11px; color: var(--text-dim); line-height: 1.6;
  display: flex; gap: 8px; flex-wrap: wrap; align-items: center;
}
.src-foot a { color: var(--accent2); text-decoration: none; }
.src-foot a:hover { text-decoration: underline; }
.src-foot .tag {
  display: inline-block; padding: 1px 8px; border-radius: 10px;
  background: rgba(58,160,255,0.12); border: 1px solid rgba(58,160,255,0.3);
  color: #7fd0ff; font-size: 10px;
}
.src-foot .tag.baseline { background: rgba(255,180,84,0.1); border-color: rgba(255,180,84,0.35); color: var(--warn); }

/* 表格 */
table.data-table { width: 100%; border-collapse: collapse; font-size: 12.5px; }
.data-table th, .data-table td {
  padding: 8px 10px; text-align: right; border-bottom: 1px solid rgba(122,148,199,0.12);
}
.data-table th { color: var(--text-dim); font-weight: 600; text-align: right; }
.data-table th:first-child, .data-table td:first-child { text-align: left; }
.data-table tr:hover td { background: rgba(53,224,192,0.05); }
.table-wrap { max-height: 400px; overflow-y: auto; }

/* 空状态 */
.empty { color: var(--text-dim); font-size: 13px; padding: 26px 0; text-align: center; }

/* 页面标题 */
.page-head { display: flex; align-items: baseline; gap: 12px; margin: 4px 2px 12px; }
.page-head h2 { font-size: 17px; font-weight: 700; color: #dbe8fb; }
.page-head .ctx { font-size: 13px; color: var(--accent); }
.page-head .hint { font-size: 12px; color: var(--text-dim); }

/* footer */
.app-footer {
  display: flex; justify-content: space-between; gap: 10px; flex-wrap: wrap;
  margin-top: 22px; padding: 14px 6px 0;
  font-size: 11.5px; color: var(--text-dim);
  border-top: 1px solid rgba(122,148,199,0.15);
}
.footer-right { color: #5a6a8c; }

.loading { text-align: center; padding: 80px 0; color: var(--text-dim); font-size: 14px; }

/* ---------- Business Case 测算输入框 ---------- */
.case-input { width: 100%; padding: 6px 10px; border-radius: 8px; border: 1px solid var(--panel-border);
  background: rgba(10,16,30,0.6); color: var(--text); font-size: 13px; outline: none; }
.case-input:focus { border-color: var(--accent); }