.layout {
  display: flex;
  height: 100vh;
}

/* ---------------- 左侧导航 ---------------- */
.sidebar {
  width: 248px;
  flex-shrink: 0;
  background: var(--bg-soft);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  padding: 22px 14px;
  gap: 24px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 0 8px;
}

.brand-mark {
  width: 40px;
  height: 40px;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--primary), var(--cyan));
  display: grid;
  place-items: center;
  font-weight: 800;
  font-size: 20px;
  color: #fff;
}

.brand-name { font-weight: 700; font-size: 15px; }
.brand-sub { font-size: 12px; color: var(--muted); }

nav {
  display: flex;
  flex-direction: column;
  gap: 6px;
  flex: 1;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 11px 14px;
  border-radius: 10px;
  border: none;
  background: transparent;
  color: var(--muted);
  font-size: 14px;
  cursor: pointer;
  text-align: left;
  transition: all 0.2s;

  &:hover { background: var(--card); color: var(--text); }
  &.active {
    background: var(--primary-soft);
    color: var(--primary);
    font-weight: 600;
  }
}

.nav-icon { width: 20px; text-align: center; }

.sidebar-footer {
  display: flex;
  flex-direction: column;
  gap: 8px;

  label { font-size: 12px; color: var(--muted); }

  select, .refresh {
    background: var(--card);
    color: var(--text);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 8px 10px;
    font-size: 13px;
    cursor: pointer;
  }

  .refresh:hover { border-color: var(--primary); color: var(--primary); }
  .updated { font-size: 11px; color: var(--muted); }
}

/* ---------------- 滚动主区 ---------------- */
.scroller {
  flex: 1;
  overflow-y: auto;
  scroll-behavior: auto;
  position: relative;
}

.loading-bar, .error-bar {
  position: sticky;
  top: 0;
  z-index: 10;
  padding: 8px 32px;
  font-size: 13px;
  background: var(--primary-soft);
  color: var(--primary);
}

.error-bar { background: rgba(248, 113, 113, 0.12); color: var(--red); }

/* ---------------- 月份筛选提示横幅 ---------------- */
.month-banner {
  position: sticky;
  top: 0;
  z-index: 9;
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 14px 32px;
  background: linear-gradient(90deg, rgba(108, 124, 255, 0.22), rgba(56, 208, 242, 0.12));
  border-bottom: 1px solid var(--primary);
  backdrop-filter: blur(6px);

  .month-banner-text {
    font-size: 16px;
    color: var(--text);

    strong {
      font-size: 22px;
      font-weight: 800;
      color: var(--primary);
      margin-left: 4px;
      letter-spacing: 1px;
    }
  }

  .month-banner-hint { font-size: 12px; color: var(--muted); }

  .month-banner-clear {
    margin-left: auto;
    background: transparent;
    border: 1px solid var(--border);
    border-radius: 8px;
    color: var(--muted);
    font-size: 12px;
    padding: 6px 12px;
    cursor: pointer;

    &:hover { border-color: var(--primary); color: var(--primary); }
  }
}

.section {
  min-height: 100vh;
  padding: 46px 44px 60px;
  display: flex;
  flex-direction: column;
  gap: 20px;
  border-bottom: 1px solid var(--border);
}

.section-head {
  h1 { font-size: 26px; letter-spacing: 0.5px; }
  p { color: var(--muted); font-size: 14px; margin-top: 6px; }
}

/* ---------------- 卡片 ---------------- */
.stat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 16px;
}

.stat {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 18px 20px;
  transition: border-color 0.2s, transform 0.2s;

  &:hover { border-color: var(--primary); transform: translateY(-2px); }
}

.stat-label { font-size: 13px; color: var(--muted); margin-bottom: 8px; }
.stat-value { font-size: 26px; font-weight: 700; font-variant-numeric: tabular-nums; }
.stat-note { font-size: 12px; color: var(--muted); margin-top: 6px; }

/* 平台余额卡片：平台名用独立字体放大突出，降低其余信息层级 */
.balances .stat { padding: 24px 24px 20px; }

.platform-name {
  display: block;
  font-family: "Bahnschrift", "Space Grotesk", "Avenir Next", "Segoe UI", sans-serif;
  font-size: 24px;
  font-weight: 700;
  letter-spacing: 0.8px;
  background: linear-gradient(90deg, var(--cyan), var(--primary));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-bottom: 4px;
}

.label-sub { font-size: 12px; color: var(--muted); letter-spacing: 2px; }

.platform-name.sm { font-size: 16px; margin-bottom: 0; }

.cost-analysis {
  margin-bottom: 16px;

  .flow-hint { margin-bottom: 12px; }
  td { vertical-align: top; }
  .totals-row td { border-top: 1px solid var(--border); font-weight: 700; }
}

.balances .stat-label { margin-bottom: 12px; }
.balances .stat-value { font-size: 34px; }

.green { color: var(--green); }
.red { color: var(--red); }
.amber { color: var(--amber); }
.cyan { color: var(--cyan); }
.muted { color: var(--muted); }

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 20px 22px;

  h2 { font-size: 14px; color: var(--muted); font-weight: 600; margin-bottom: 14px; }
}

.chart-card app-echart { height: 300px; }

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 16px;
}

.two-col {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 16px;

  @media (max-width: 1100px) { grid-template-columns: 1fr; }
}

/* ---------------- 上游卡片 ---------------- */
.upstream-head {
  display: flex;
  justify-content: space-between;
  align-items: center;

  h2 { font-size: 17px; color: var(--text); margin: 0; }
}

.pill {
  font-size: 11px;
  padding: 3px 10px;
  border-radius: 20px;
  background: #2a3554;
}

.pill-ok { background: rgba(53, 211, 153, 0.15); color: var(--green); }
.pill-warn { background: rgba(251, 191, 36, 0.15); color: var(--amber); }

.upstream-service { font-size: 12px; color: var(--muted); margin: 6px 0 12px; }
.upstream-balance { font-size: 30px; font-weight: 800; color: var(--cyan); font-variant-numeric: tabular-nums; }
.upstream-meta { font-size: 12px; color: var(--muted); margin-top: 4px; }
.upstream-note { font-size: 12px; color: var(--muted); margin-top: 12px; line-height: 1.6; }
.upstream-err { font-size: 12px; color: var(--red); margin-top: 8px; }

/* ---------------- 表格 ---------------- */
table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;

  th, td { text-align: left; padding: 9px 10px; border-bottom: 1px solid var(--border); }
  th { color: var(--muted); font-weight: 600; }
  .num { text-align: right; font-variant-numeric: tabular-nums; }
  .mono { font-family: "JetBrains Mono", monospace; font-size: 12px; color: var(--muted); }
}

.hint { font-size: 12px; color: var(--amber); margin-top: 10px; }

.page-footer {
  margin-top: auto;
  text-align: center;
  color: var(--muted);
  font-size: 12px;
  padding-top: 30px;
}

/* 充值订单卡片上的服务标记 */
.svc-badge {
  display: inline-block;
  padding: 2px 10px;
  border-radius: 6px;
  background: rgba(34, 211, 238, 0.12);
  color: var(--cyan);
  font-weight: 700;
}
.svc-badge-fmode {
  background: rgba(167, 139, 250, 0.14);
  color: #a78bfa;
}


/* ---------------- 环比变化 ---------------- */
.stat-delta {
  margin-top: 4px;
  font-size: 12px;
  font-weight: 600;
  color: var(--muted);
  font-variant-numeric: tabular-nums;

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

/* ---------------- 诊断与预警（序号列表） ---------------- */
.diag-ol {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
}

.diag-li {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 9px 4px;
  border-bottom: 1px solid var(--border);
  font-size: 13px;

  &:last-child { border-bottom: none; }
}

.diag-no {
  flex: none;
  width: 22px;
  height: 22px;
  line-height: 22px;
  text-align: center;
  border-radius: 6px;
  font-size: 12px;
  font-weight: 700;
  background: var(--bg-soft);
  color: var(--muted);
  align-self: center;
}

.diag-critical .diag-no { background: rgba(248, 113, 113, 0.16); color: var(--red); }
.diag-warning .diag-no { background: rgba(251, 191, 36, 0.14); color: var(--amber); }
.diag-good .diag-no { background: rgba(53, 211, 153, 0.14); color: var(--green); }

.diag-title { flex: none; font-weight: 700; }
.diag-detail {
  flex: 1;
  min-width: 0;
  color: var(--muted);
  font-size: 12px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.diag-metric { flex: none; font-size: 12px; color: var(--cyan); font-variant-numeric: tabular-nums; }

/* ---------------- 分层小标题 ---------------- */
.tier-title {
  font-size: 13px;
  font-weight: 600;
  color: var(--muted);
  letter-spacing: 1.5px;
  text-transform: uppercase;
  margin-top: 6px;
}

.stat-note.warn { color: var(--amber); }

/* ---------------- 订单筛选与分页 ---------------- */
.orders-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 20px;
  flex-wrap: wrap;
}

.order-toolbar {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;

  select, input {
    background: var(--card);
    color: var(--text);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 8px 10px;
    font-size: 13px;

    &:focus { outline: none; border-color: var(--primary); }
  }

  input { width: 220px; }
  input::placeholder { color: var(--muted); }

  .toolbar-clear {
    background: transparent;
    color: var(--muted);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 8px 12px;
    font-size: 13px;
    cursor: pointer;

    &:hover { color: var(--red); border-color: var(--red); }
  }
}

.filter-bar {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 8px 0 12px;

  .filter-input {
    background: var(--card);
    color: var(--text);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 7px 10px;
    font-size: 13px;
    width: 200px;

    &:focus { outline: none; border-color: var(--primary); }
    &::placeholder { color: var(--muted); }
  }
}

.mono-path {
  font-family: 'SFMono-Regular', Consolas, monospace;
  font-size: 12px;
  color: var(--cyan);
  word-break: break-all;
}

.card.dim { opacity: 0.55; transition: opacity 0.25s; }

.filter-summary {
  font-size: 13px;
  color: var(--cyan);
  margin-top: -8px;
}

.pager {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 8px;
  margin-top: 14px;

  button {
    background: var(--bg-soft);
    color: var(--text);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 6px 12px;
    font-size: 12px;
    cursor: pointer;
    transition: border-color 0.2s, color 0.2s;

    &:hover:not(:disabled) { border-color: var(--primary); color: var(--primary); }
    &:disabled { opacity: 0.4; cursor: default; }
  }

  .pager-info {
    font-size: 12px;
    color: var(--muted);
    font-variant-numeric: tabular-nums;
    padding: 0 6px;
  }
}

/* ---------------- 用户统计 ---------------- */
.seg-toolbar {
  flex-wrap: wrap;
}

.seg {
  display: inline-flex;
  border: 1px solid var(--border);
  border-radius: 10px;
  overflow: hidden;
  background: var(--bg-soft);

  button {
    background: transparent;
    color: var(--muted);
    border: none;
    border-right: 1px solid var(--border);
    padding: 7px 13px;
    font-size: 12px;
    cursor: pointer;
    transition: color 0.2s, background 0.2s;
    white-space: nowrap;

    &:last-child { border-right: none; }
    &:hover { color: var(--text); }
    &.on {
      background: rgba(108, 124, 255, 0.18);
      color: var(--primary);
      font-weight: 700;
    }
  }
}

.chart-card.dim {
  opacity: 0.55;
  pointer-events: none;
  transition: opacity 0.2s;
}

/* ---------------- 模块转发明细 ---------------- */
.module-detail-card {
  background: var(--card);
  border: 1px solid var(--border);
  margin-bottom: 14px;

  summary {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 14px;
    cursor: pointer;
  }

  &[open] summary { border-bottom: 1px solid var(--border); }
}

.module-detail-title {
  margin-left: 10px;
  color: var(--muted);
}

.module-detail-metrics {
  margin-left: auto;
  color: var(--amber);
  font-size: 13px;
}

.module-detail-body {
  padding: 14px;
  overflow-x: auto;

  h3 { margin: 0 0 10px; font-size: 14px; }
  > h3 { margin-top: 22px; }
}

.module-detail-grid > div { min-width: 0; overflow-x: auto; }
.module-empty { padding: 14px; }

.source-chip {
  color: var(--amber);
  &.cache { color: var(--cyan); }
  &.upstream { color: var(--primary); }
}