/* ==========================================================================
   稳定币市场仪表盘 — 浅色主题
   涨用红、跌用绿(中国市场惯例)
   ========================================================================== */

:root {
  --bg: #f6f7f9;
  --panel: #ffffff;
  --panel-alt: #fafbfc;
  --border: #e4e7ec;
  --border-strong: #d0d5dd;
  --text: #101828;
  --text-2: #475467;
  --muted: #98a2b3;
  --accent: #2563eb;
  --accent-soft: #eff4ff;
  --up: #d92d20;
  --up-soft: #fef3f2;
  --down: #079455;
  --down-soft: #ecfdf3;
  --warn: #b54708;
  --warn-soft: #fffaeb;
  --radius: 10px;
  --shadow: 0 1px 2px rgba(16, 24, 40, 0.04), 0 1px 3px rgba(16, 24, 40, 0.06);
  --mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB",
    "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  font-size: 14px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

.wrap {
  max-width: 1180px;
  margin: 0 auto;
  padding: 28px 20px 72px;
}

/* ---------- 页头 ---------- */
header.top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
  margin-bottom: 22px;
}

h1 {
  font-size: 22px;
  line-height: 1.3;
  margin: 0 0 4px;
  letter-spacing: -0.01em;
}

.sub {
  color: var(--text-2);
  font-size: 13px;
  margin: 0;
}

.badges {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  align-items: center;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  border-radius: 999px;
  font-size: 12px;
  line-height: 1.5;
  background: var(--panel);
  border: 1px solid var(--border);
  color: var(--text-2);
  white-space: nowrap;
}

.badge.ok { background: var(--down-soft); border-color: #a6f4c5; color: #05603a; }
.badge.warn { background: var(--warn-soft); border-color: #fedf89; color: var(--warn); }
.badge.info { background: var(--accent-soft); border-color: #b2ccff; color: #1d4ed8; }

/* ---------- 标签页 ---------- */
nav.tabs {
  display: flex;
  gap: 4px;
  overflow-x: auto;
  border-bottom: 1px solid var(--border);
  margin-bottom: 20px;
  padding-bottom: 0;
}

nav.tabs button {
  appearance: none;
  background: none;
  border: none;
  border-bottom: 2px solid transparent;
  padding: 10px 14px;
  font: inherit;
  font-size: 14px;
  color: var(--text-2);
  cursor: pointer;
  white-space: nowrap;
  margin-bottom: -1px;
}

nav.tabs button:hover { color: var(--text); }

nav.tabs button[aria-selected="true"] {
  color: var(--accent);
  border-bottom-color: var(--accent);
  font-weight: 600;
}

/* ---------- 面板 ---------- */
.panel { display: none; }
.panel[data-active="true"] { display: block; }

section.card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 18px 20px;
  margin-bottom: 16px;
}

section.card > h2 {
  font-size: 15px;
  margin: 0 0 2px;
  letter-spacing: -0.005em;
}

section.card > .hint {
  color: var(--text-2);
  font-size: 12.5px;
  margin: 0 0 14px;
}

.grid {
  display: grid;
  gap: 14px;
}
.grid.c2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid.c3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid.c4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }

/* ---------- KPI ---------- */
.kpi {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 14px 16px;
  box-shadow: var(--shadow);
}

.kpi .label {
  font-size: 12.5px;
  color: var(--text-2);
  margin-bottom: 6px;
}

.kpi .value {
  font-size: 25px;
  font-weight: 640;
  letter-spacing: -0.02em;
  font-variant-numeric: tabular-nums;
  line-height: 1.2;
}

.kpi .value .unit {
  font-size: 13px;
  font-weight: 500;
  color: var(--text-2);
  margin-left: 4px;
  letter-spacing: 0;
}

.kpi .foot {
  margin-top: 8px;
  font-size: 12px;
  color: var(--muted);
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  align-items: center;
}

/* 涨跌 */
.delta {
  font-variant-numeric: tabular-nums;
  font-weight: 600;
}
.delta.up { color: var(--up); }
.delta.down { color: var(--down); }
.delta.flat { color: var(--muted); font-weight: 500; }

/* ---------- 表格 ---------- */
.table-scroll { overflow-x: auto; margin: 0 -20px; padding: 0 20px; }

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}

th, td {
  text-align: right;
  padding: 9px 10px;
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
  font-variant-numeric: tabular-nums;
}

th:first-child, td:first-child { text-align: left; }
th:last-child, td:last-child { padding-right: 0; }

thead th {
  font-weight: 600;
  color: var(--text-2);
  font-size: 12px;
  border-bottom: 1px solid var(--border-strong);
  background: var(--panel);
  position: sticky;
  top: 0;
}

tbody tr:hover { background: var(--panel-alt); }

td .sym {
  font-weight: 640;
  color: var(--text);
}

td .name {
  color: var(--muted);
  font-size: 12px;
  margin-left: 6px;
}

/* ---------- 堆叠条 ---------- */
.stack {
  display: flex;
  height: 26px;
  border-radius: 6px;
  overflow: hidden;
  border: 1px solid var(--border);
  background: var(--panel-alt);
}

.stack span {
  display: block;
  height: 100%;
}

.legend {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 14px;
  margin-top: 12px;
  font-size: 12.5px;
  color: var(--text-2);
}

.legend i {
  width: 9px;
  height: 9px;
  border-radius: 2px;
  display: inline-block;
  margin-right: 6px;
  vertical-align: baseline;
}

/* ---------- 图表 ---------- */
.chart-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 10px;
}

.range {
  display: inline-flex;
  border: 1px solid var(--border);
  border-radius: 7px;
  overflow: hidden;
}

.range button {
  appearance: none;
  border: none;
  background: var(--panel);
  padding: 5px 11px;
  font: inherit;
  font-size: 12.5px;
  color: var(--text-2);
  cursor: pointer;
  border-right: 1px solid var(--border);
}
.range button:last-child { border-right: none; }
.range button[aria-pressed="true"] { background: var(--accent-soft); color: #1d4ed8; font-weight: 600; }

svg.chart { display: block; width: 100%; height: auto; }

/* ---------- 待接入 ---------- */
.pending {
  border: 1px dashed var(--border-strong);
  border-radius: 8px;
  padding: 14px 16px;
  background: var(--panel-alt);
  margin-bottom: 12px;
}

.pending h3 {
  font-size: 13.5px;
  margin: 0 0 4px;
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.pending dl {
  margin: 8px 0 0;
  display: grid;
  grid-template-columns: 68px 1fr;
  gap: 4px 12px;
  font-size: 12.5px;
}

.pending dt { color: var(--muted); }
.pending dd { margin: 0; color: var(--text-2); }
.pending dd.risk { color: var(--warn); }

/* ---------- 表单 ---------- */
label.field {
  display: block;
  font-size: 12.5px;
  color: var(--text-2);
  margin-bottom: 6px;
}

textarea, input[type="text"], select {
  width: 100%;
  font: inherit;
  font-size: 13px;
  color: var(--text);
  background: var(--panel);
  border: 1px solid var(--border-strong);
  border-radius: 8px;
  padding: 9px 11px;
  outline: none;
}

textarea {
  font-family: var(--mono);
  font-size: 12.5px;
  line-height: 1.6;
  min-height: 132px;
  resize: vertical;
}

textarea:focus, input:focus, select:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.12);
}

.row {
  display: flex;
  gap: 10px;
  align-items: flex-end;
  flex-wrap: wrap;
  margin-bottom: 12px;
}
.row > * { min-width: 0; }
.row .grow { flex: 1 1 220px; }

button.btn {
  appearance: none;
  font: inherit;
  font-size: 13px;
  padding: 9px 16px;
  border-radius: 8px;
  border: 1px solid var(--border-strong);
  background: var(--panel);
  color: var(--text);
  cursor: pointer;
  white-space: nowrap;
}

button.btn:hover { background: var(--panel-alt); }

button.btn.primary {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
  font-weight: 600;
}
button.btn.primary:hover { background: #1d4ed8; }
button.btn:disabled { opacity: 0.5; cursor: not-allowed; }

.chips { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 10px; }

.chip {
  font-size: 12px;
  padding: 4px 10px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--panel-alt);
  color: var(--text-2);
  cursor: pointer;
}
.chip:hover { border-color: var(--accent); color: var(--accent); }

/* ---------- 提示条 ---------- */
.note {
  border-left: 3px solid var(--accent);
  background: var(--accent-soft);
  border-radius: 0 8px 8px 0;
  padding: 11px 14px;
  font-size: 12.5px;
  color: #1e3a8a;
  margin: 12px 0 0;
}

.note.warn { border-left-color: #f79009; background: var(--warn-soft); color: #93370d; }
.note.good { border-left-color: #12b76a; background: var(--down-soft); color: #05603a; }

pre.out {
  background: #0f172a;
  color: #e2e8f0;
  border-radius: 8px;
  padding: 13px 15px;
  font-family: var(--mono);
  font-size: 12px;
  line-height: 1.65;
  overflow: auto;
  max-height: 420px;
  margin: 12px 0 0;
}

ul.clean { margin: 6px 0 0; padding-left: 20px; color: var(--text-2); font-size: 12.5px; }
ul.clean li { margin-bottom: 4px; }

code.inline {
  font-family: var(--mono);
  font-size: 12px;
  background: #f2f4f7;
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 1px 5px;
  color: #344054;
}

.muted { color: var(--muted); }
.nowrap { white-space: nowrap; }
footer.foot {
  color: var(--muted);
  font-size: 12px;
  text-align: center;
  margin-top: 28px;
  line-height: 1.8;
}

@media (max-width: 940px) {
  .grid.c4 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .grid.c3 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 620px) {
  .wrap { padding: 20px 14px 56px; }
  .grid.c2, .grid.c3, .grid.c4 { grid-template-columns: 1fr; }
  .kpi .value { font-size: 22px; }
  .table-scroll { margin: 0 -16px; padding: 0 16px; }
  section.card { padding: 16px; }
  .pending dl { grid-template-columns: 1fr; gap: 0 0; }
  .pending dt { margin-top: 6px; }
}