/* 账目站布局 — 复用 variables.css 设计令牌 */
* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: system-ui, -apple-system, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.6;
}
body.modal-open { overflow: hidden; }

.container { max-width: 1160px; margin: 0 auto; padding: 0 20px 64px; }

/* 顶部 */
.site-header {
  position: sticky; top: 0; z-index: 10;
  background: var(--color-bg);
  border-bottom: 1px solid var(--color-border);
  backdrop-filter: blur(8px);
}
.header-inner {
  max-width: 1160px; margin: 0 auto; padding: 14px 20px;
  display: flex; align-items: center; justify-content: space-between;
}
.site-title { font-size: 18px; font-weight: 600; color: var(--color-heading); letter-spacing: .05em; }
.header-actions { display: flex; align-items: center; gap: 0.6rem; }
.nav-link { color: var(--color-text-secondary); text-decoration: none; font-size: 14px; }
.nav-link:hover { color: var(--color-accent); }

/* 页面切换：沿用博客语言切换按钮的样式
   内嵌 2px，让选中底色略小于外框；background 过渡 0.3s */
.btn-page {
  display: inline-flex;
  align-items: center;
  background: none;
  border: 1px solid var(--color-border);
  cursor: pointer;
  padding: 2px;
  font-family: inherit;
  font-size: 0.7rem;
  letter-spacing: 0.05em;
  border-radius: 3px;
  overflow: hidden;
  height: 2.2em;
  line-height: 1;
}
.page-zh, .page-en {
  padding: 0 0.55em;
  display: inline-flex;
  align-items: center;
  height: 100%;
  border-radius: 2px;
  transition: background 0.3s ease, color 0.3s ease;
  color: var(--color-text-muted);
}
.page-zh.active, .page-en.active {
  background: var(--color-accent-subtle);
  color: var(--color-heading);
}
.page-sep {
  color: var(--color-text-muted);
  opacity: 0.2;
  user-select: none;
}
/* 主题按钮：照搬博客 header-controls 的按钮样式，高度与页面切换按钮一致 */
.theme-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: none;
  border: 1px solid var(--color-border);
  color: var(--color-text-secondary);
  font-size: 0.7rem;
  padding: 0;
  border-radius: 3px;
  cursor: pointer;
  letter-spacing: 0.04em;
  font-family: inherit;
  width: 2.4em;
  height: 2.2em;
  line-height: 1;
}
.theme-toggle:hover {
  color: var(--color-accent);
  border-color: var(--color-accent-subtle);
}

/* 主内容 + 右侧近一周 */
.layout { display: grid; grid-template-columns: minmax(0, 1fr) 300px; gap: 20px; align-items: start; }
.main-col { min-width: 0; }
.side-col { position: sticky; top: 76px; }
.side-card { margin-top: 40px; max-height: calc(100vh - 96px); overflow-y: auto; }

/* 首页英雄数字 */
.hero { text-align: center; padding: 40px 0 4px; }
.hero-label { font-size: 13px; color: var(--color-text-muted); letter-spacing: .1em; }
.hero-value { font-size: 56px; font-weight: 700; color: var(--color-heading); font-variant-numeric: tabular-nums; }

/* 消费资金 / 存款 分栏 */
.balance-split {
  display: flex; justify-content: center; align-items: stretch;
  gap: 0; margin: 22px auto 0; max-width: 520px;
  background: var(--color-card); border: 1px solid var(--color-border);
  border-radius: 12px; overflow: hidden;
}
.balance-item { flex: 1; padding: 14px 20px; text-align: center; }
.balance-label { display: block; font-size: 12px; color: var(--color-text-muted); letter-spacing: .06em; }
.balance-value {
  display: block; margin-top: 4px; font-size: 22px; font-weight: 600;
  color: var(--color-heading); font-variant-numeric: tabular-nums;
}
.balance-divider { width: 1px; background: var(--color-border); }

.reserve-note { margin-top: 8px; font-size: 12px; color: var(--color-text-secondary); }
.hero-updated { margin-top: 4px; font-size: 12px; color: var(--color-text-muted); }

/* KPI 卡片 */
.kpi-grid {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px;
  margin: 28px 0 20px;
}
.kpi {
  background: var(--color-card); border: 1px solid var(--color-border);
  border-radius: 12px; padding: 16px; min-width: 0;
}
.kpi-grid.five { grid-template-columns: repeat(5, 1fr); }
.kpi-label { font-size: 12px; color: var(--color-text-muted); }
.kpi-value {
  font-size: 22px; font-weight: 600; color: var(--color-heading);
  margin-top: 4px; font-variant-numeric: tabular-nums;
}
/* 红绿标识：红=超支/增加，绿=节省/减少 */
.kpi-value.up { color: var(--color-up); }
.kpi-value.down { color: var(--color-down); }
.kpi-note { font-size: 12px; color: var(--color-text-secondary); margin-top: 2px; }

/* 图表卡片 */
.chart-card {
  background: var(--color-card); border: 1px solid var(--color-border);
  border-radius: 12px; padding: 20px; margin-top: 18px;
}
.chart-title { font-size: 15px; font-weight: 600; color: var(--color-heading); margin: 0 0 8px; }
.chart-note { font-size: 12px; color: var(--color-text-secondary); margin: -2px 0 6px; }
.chart-note.up { color: var(--color-up); }
.chart-note.down { color: var(--color-down); }
.chart-note.range { color: var(--color-accent); }
.chart { width: 100%; height: 300px; }

/* 柱状图 + 饼图并排 */
.chart-split { display: grid; grid-template-columns: 1.15fr 1fr; gap: 16px; }
.chart-split .chart { height: 300px; }

/* 可点击分类图例 */
.category-legend {
  display: flex; flex-wrap: wrap; gap: 6px 16px;
  margin-top: 14px; padding-top: 12px;
  border-top: 1px dashed var(--color-border);
}
.legend-item {
  display: inline-flex; align-items: center; gap: 6px;
  background: none; border: none; padding: 2px 0;
  cursor: pointer; color: var(--color-text-secondary);
  font-size: 12px; font-family: inherit;
}
.legend-item:hover { color: var(--color-accent); }
.legend-dot { width: 8px; height: 8px; border-radius: 50%; flex: 0 0 auto; }
.legend-name { text-decoration: underline; text-decoration-style: dotted; text-underline-offset: 3px; }
.legend-value { color: var(--color-text); font-variant-numeric: tabular-nums; }
.legend-pct { color: var(--color-text-muted); font-variant-numeric: tabular-nums; }

/* 特殊消费列表 */
.special-list { display: flex; flex-direction: column; }
.special-row {
  display: grid; grid-template-columns: 52px 52px minmax(0, 1fr) auto;
  align-items: center; gap: 10px;
  padding: 8px 0; border-bottom: 1px dashed var(--color-border);
  font-size: 13px;
}
.special-row:last-child { border-bottom: none; }
.special-date { color: var(--color-text-muted); font-variant-numeric: tabular-nums; }
.special-badge {
  display: inline-block; justify-self: start;
  padding: 1px 6px; border-radius: 4px;
  background: var(--color-surface); color: var(--color-accent);
  font-size: 11px; white-space: nowrap;
}
.special-item { color: var(--color-text); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.special-amount { color: var(--color-heading); font-variant-numeric: tabular-nums; }

/* 右侧近一周 */
.recent-week { display: flex; flex-direction: column; gap: 14px; }
.day-block { border-bottom: 1px dashed var(--color-border); padding-bottom: 10px; }
.day-block:last-child { border-bottom: none; padding-bottom: 0; }
.day-head {
  display: flex; justify-content: space-between; align-items: baseline;
  font-size: 12px; color: var(--color-text-muted); margin-bottom: 4px;
}
.day-total { font-weight: 600; color: var(--color-text-secondary); font-variant-numeric: tabular-nums; }
.recent-item {
  display: flex; align-items: center; gap: 6px;
  font-size: 12px; padding: 2px 0;
}
.cat-dot { width: 7px; height: 7px; border-radius: 50%; flex: 0 0 auto; }
.recent-name { flex: 1; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.recent-amt { color: var(--color-text-secondary); font-variant-numeric: tabular-nums; }
.recent-empty { font-size: 12px; color: var(--color-text-muted); }

/* 月份选择 */
.month-bar { display: flex; align-items: center; gap: 12px; margin: 24px 0 8px; }
.month-label { color: var(--color-text-secondary); font-size: 14px; }
.month-select {
  background: var(--color-card); color: var(--color-text);
  border: 1px solid var(--color-border); border-radius: 8px;
  padding: 8px 12px; font-size: 14px;
}

/* 分类明细弹窗 */
.modal-backdrop {
  position: fixed; inset: 0; z-index: 50;
  background: rgba(20, 16, 12, .45);
  display: flex; align-items: center; justify-content: center;
  padding: 20px;
}
.modal-backdrop[hidden] { display: none; }
.modal {
  width: min(680px, 100%); max-height: min(76vh, 720px);
  display: flex; flex-direction: column;
  background: var(--color-card); border: 1px solid var(--color-border);
  border-radius: 14px; box-shadow: 0 18px 50px rgba(0, 0, 0, .22);
}
.modal-head {
  display: flex; align-items: center; justify-content: space-between;
  padding: 16px 20px; border-bottom: 1px solid var(--color-border);
}
.modal-head h3 { margin: 0; font-size: 15px; color: var(--color-heading); }
.modal-close {
  background: none; border: none; color: var(--color-text-muted);
  font-size: 22px; line-height: 1; cursor: pointer;
}
.modal-close:hover { color: var(--color-text); }
.modal-body { padding: 14px 20px 20px; overflow-y: auto; }
.modal-summary { font-size: 13px; color: var(--color-text-secondary); margin-bottom: 10px; }
.modal-summary strong { color: var(--color-heading); }
.modal-table { width: 100%; border-collapse: collapse; font-size: 13px; }
.modal-table th {
  text-align: left; font-weight: 500; color: var(--color-text-muted);
  padding: 6px 8px; border-bottom: 1px solid var(--color-border);
}
.modal-table td { padding: 7px 8px; border-bottom: 1px dashed var(--color-border); }
.modal-table .num { text-align: right; font-variant-numeric: tabular-nums; }

.site-footer { text-align: center; color: var(--color-text-muted); font-size: 12px; padding: 20px; }

@media (max-width: 960px) {
  .layout { grid-template-columns: 1fr; }
  .side-col { position: static; }
  .side-card { margin-top: 18px; max-height: none; }
}

@media (max-width: 720px) {
  .kpi-grid, .kpi-grid.five { grid-template-columns: repeat(2, 1fr); }
  .hero-value { font-size: 40px; }
  .chart-split { grid-template-columns: 1fr; }
  .special-row { grid-template-columns: 46px 48px minmax(0, 1fr) auto; gap: 6px; }
}