/*
 * 应用样式（Apple 风格）。
 * - 颜色取自 Apple 人机界面指南的系统色；背景为 apple.com 的 #f5f5f7 / 深色 #000。
 * - 玻璃只用于侧边栏、顶栏、弹窗、提示；内容卡片保持不透明（层级清晰，也更省 GPU）。
 * - 组件库控件（按钮、下拉、输入框）沿用库自带样式，这里只写布局和业务小组件。
 */

/* ---------- 颜色与基础 ---------- */
:root {
  --bg: #f5f5f7;
  --card: #ffffff;
  --label: #1d1d1f;
  --secondary: #6e6e73;
  --tertiary: #86868b;
  --separator: rgba(0, 0, 0, .08);
  --fill: rgba(118, 118, 128, .12);
  --blue: #007aff; --green: #34c759; --orange: #ff9500; --red: #ff3b30; --yellow: #ffcc00;
  --gap: 16px;
  --side-w: 248px;
  --radius: 18px;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #000000;
    --card: #1c1c1e;
    --label: #f5f5f7;
    --secondary: #98989d;
    --tertiary: #6e6e73;
    --separator: rgba(255, 255, 255, .1);
    --fill: rgba(118, 118, 128, .24);
    --blue: #0a84ff; --green: #30d158; --orange: #ff9f0a; --red: #ff453a; --yellow: #ffd60a;
  }
}

* { box-sizing: border-box; }
html, body { margin: 0; }
body {
  min-height: 100dvh;
  background: var(--bg);
  color: var(--label);
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
  font-size: 14px;
  -webkit-font-smoothing: antialiased;
}
h1, h3, h4 { margin: 0; letter-spacing: -.01em; }
a { color: var(--blue); }

/* 通用小工具 */
.row { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; }
.row.nowrap { flex-wrap: nowrap; gap: 6px; }
.grow { flex: 1; }
.hint { color: var(--secondary); font-size: 12px; }
.small { font-size: 12px; }
.text-red { color: var(--red); }
.toolbar { margin-bottom: 14px; }
.gap-bottom { margin-bottom: 14px; }
.sub-title { margin: 18px 0 10px; font-size: 13px; color: var(--secondary); font-weight: 600; }
.center-screen { min-height: 100dvh; display: grid; place-items: center; padding: 16px; color: var(--secondary); }

/* ---------- 外壳：侧边栏 + 主区 ---------- */
.shell {
  display: grid;
  grid-template-columns: var(--side-w) minmax(0, 1fr);
  gap: var(--gap);
  padding: var(--gap);
  min-height: 100dvh;
}
.main { min-width: 0; display: flex; flex-direction: column; gap: var(--gap); }

/* 侧边栏：撑满视口高度，导航在中间滚动，数据概况与用户固定在底部 */
.side { top: var(--gap); }
.side .lg-sidebar-surface { height: calc(100dvh - 2 * var(--gap)); }
.side .lg-sidebar-body { flex: 1; }
.brand { display: flex; align-items: center; gap: 10px; padding: 4px 6px 8px; }
.brand b, .brand small, .userbox b, .userbox small { display: block; }
.brand b { font-size: 15px; }
.brand small, .userbox small { color: var(--secondary); font-size: 12px; margin-top: 1px; }
/* 系统图标（static/icon.svg）：圆角已画在图里，这里只加阴影 */
.logo { width: 36px; height: 36px; flex: none; filter: drop-shadow(0 2px 6px rgba(0, 122, 255, .3)); }
.logo.lg { width: 72px; height: 72px; filter: drop-shadow(0 8px 20px rgba(0, 122, 255, .35)); }

.nav-group { display: flex; flex-direction: column; gap: 2px; margin-bottom: 14px; }
.nav-title { padding: 0 10px 4px; font-size: 11px; font-weight: 600; color: var(--tertiary); letter-spacing: .02em; }
.nav-item {
  display: flex; align-items: center; gap: 10px;
  min-height: 36px; padding: 0 10px; border-radius: 10px;
  color: var(--label); text-decoration: none; font-size: 14px;
  transition: background-color .15s;
}
.nav-item svg { color: var(--blue); flex: none; }
.nav-item:hover { background: var(--fill); }
.nav-item[aria-current="page"] { background: var(--blue); color: #fff; font-weight: 500; }
.nav-item[aria-current="page"] svg { color: #fff; }
.nav-item:focus-visible { outline: 3px solid color-mix(in srgb, var(--blue) 50%, transparent); outline-offset: 1px; }

.side-footer { display: flex; flex-direction: column; gap: 10px; }
.overview {
  display: grid; grid-template-columns: repeat(3, 1fr); margin: 0;
  padding: 10px 4px; border-radius: 12px; background: var(--fill); text-align: center;
}
.overview dt { font-size: 11px; color: var(--secondary); }
.overview dd { margin: 2px 0 0; font-size: 15px; font-weight: 600; font-variant-numeric: tabular-nums; }
.userbox { display: flex; align-items: center; gap: 10px; padding: 0 2px; }
.avatar {
  width: 32px; height: 32px; border-radius: 50%; flex: none; display: grid; place-items: center;
  background: linear-gradient(145deg, #8e8e93, #636366); color: #fff; font-weight: 600;
}

/* 顶栏（玻璃） */
.topbar { position: sticky; top: var(--gap); z-index: 5; }
.topbar, .topbar > .lg-content { display: flex; flex-wrap: wrap; align-items: center; gap: 8px 12px; }
.topbar { padding: 10px 14px; }
.topbar-title { font-size: 22px; font-weight: 700; margin-right: auto; white-space: nowrap; }
.filters { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; min-width: 0; }
.filters .lg-field { width: 152px; }
.only-narrow, .scrim { display: none; }

/* ---------- 内容 ---------- */
.grid { display: grid; grid-template-columns: repeat(12, minmax(0, 1fr)); gap: var(--gap); }
.section { grid-column: span 12; min-width: 0; background: var(--card); border-radius: var(--radius); }
.span-4 { grid-column: span 4; } .span-5 { grid-column: span 5; } .span-6 { grid-column: span 6; }
.span-7 { grid-column: span 7; } .span-8 { grid-column: span 8; }
.section-head { display: flex; flex-wrap: wrap; align-items: center; gap: 8px 10px; min-height: 32px; margin-bottom: 14px; }
.section-head h3 { font-size: 17px; font-weight: 600; }
.report-desc { margin: 0 0 14px; min-height: 3em; line-height: 1.6; }

/* 指标：同一张卡片内的网格，用细分隔线区分 */
/* 每项左侧一条分隔线，向左偏移 1px 后由 overflow 裁掉每行第一项的线 */
.kpis { display: grid; grid-template-columns: repeat(auto-fill, minmax(160px, 1fr)); row-gap: 12px; overflow: hidden; }
.kpi { margin-left: -1px; border-left: 1px solid var(--separator); padding: 6px 16px; min-width: 0; }
.kpi-title { font-size: 12px; color: var(--secondary); }
.kpi-value { margin-top: 4px; font-size: 26px; font-weight: 600; letter-spacing: -.02em; font-variant-numeric: tabular-nums; }
.kpi-value small { margin-left: 3px; font-size: 13px; font-weight: 500; color: var(--secondary); }
.kpi-sub { margin-top: 2px; font-size: 11px; color: var(--tertiary); }

/* 表格 */
.table-wrap { overflow: auto; border-radius: 12px; border: 1px solid var(--separator); }
table { width: 100%; border-collapse: collapse; font-size: 13px; font-variant-numeric: tabular-nums; }
th, td { padding: 9px 12px; text-align: left; white-space: nowrap; border-bottom: 1px solid var(--separator); }
th { position: sticky; top: 0; z-index: 1; background: var(--card); color: var(--secondary); font-size: 12px; font-weight: 600; }
tbody tr:hover td { background: color-mix(in srgb, var(--blue) 5%, transparent); }
tbody tr:last-child td { border-bottom: 0; }
td.wrap { white-space: normal; min-width: 260px; line-height: 1.55; }
td.empty { text-align: center; color: var(--tertiary); padding: 28px; }
th.check, td.check { width: 40px; padding-right: 0; }
.th-sort { all: unset; cursor: pointer; display: inline-flex; gap: 4px; align-items: center; }
.th-sort span { opacity: .4; font-size: 11px; }
th[aria-sort] .th-sort { color: var(--blue); }
th[aria-sort] .th-sort span { opacity: 1; }
.pager { display: flex; flex-wrap: wrap; align-items: center; justify-content: flex-end; gap: 8px; margin-top: 12px;
  color: var(--secondary); font-size: 13px; }

/* 标签、根因、提示 */
.tag { display: inline-block; padding: 2px 9px; border-radius: 999px; font-size: 12px; font-weight: 500;
  background: var(--fill); color: var(--secondary); }
.tag[data-tone="red"]    { background: color-mix(in srgb, var(--red) 14%, transparent);    color: var(--red); }
.tag[data-tone="orange"] { background: color-mix(in srgb, var(--orange) 16%, transparent); color: var(--orange); }
.tag[data-tone="green"]  { background: color-mix(in srgb, var(--green) 16%, transparent);  color: var(--green); }
.tag[data-tone="blue"]   { background: color-mix(in srgb, var(--blue) 14%, transparent);   color: var(--blue); }
.tag[data-tone="yellow"] { background: color-mix(in srgb, var(--yellow) 22%, transparent); color: color-mix(in srgb, var(--yellow) 55%, var(--label)); }
.cause { display: inline-flex; align-items: center; gap: 6px; }
.cause i { width: 8px; height: 8px; border-radius: 50%; flex: none; }
.note { padding: 12px 14px; border-radius: 12px; line-height: 1.75; font-size: 13px; color: var(--secondary);
  background: color-mix(in srgb, var(--blue) 7%, transparent); }
.note.full { grid-column: 1 / -1; }
.chips { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; margin: 14px 0; }
.chip { padding: 8px 14px; border-radius: 12px; background: var(--fill); font-weight: 600; font-variant-numeric: tabular-nums; }
.chip span { margin-right: 6px; font-size: 12px; font-weight: 400; color: var(--secondary); }
.chip[data-tone="green"] { color: var(--green); }
.chip[data-tone="red"] { color: var(--red); }
.chip[data-tone="orange"] { color: var(--orange); }

/* 导入拖拽区 */
.drop { display: block; padding: 28px; text-align: center; cursor: pointer; border-radius: 16px; color: var(--secondary);
  border: 2px dashed color-mix(in srgb, var(--blue) 40%, transparent); transition: background-color .15s; }
.drop:hover, .drop[data-over] { background: color-mix(in srgb, var(--blue) 6%, transparent); }
.drop b { color: var(--label); }
.drop-icon { font-size: 30px; line-height: 1; margin-bottom: 8px; color: var(--blue); }
.drop p { margin: 8px auto 0; max-width: 820px; font-size: 13px; line-height: 1.7; }

/* 弹窗表单：外框玻璃，表单放在不透明面板上保证可读性 */
.form-dialog { width: min(600px, calc(100vw - 32px)); max-height: calc(100dvh - 32px); }
.form-dialog form { padding: 16px; border-radius: 14px; background: var(--card); }
.form-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px 14px; }
.form-grid > .full { grid-column: 1 / -1; }
.dialog-actions { display: flex; justify-content: flex-end; gap: 8px; margin-top: 18px; }

/* 加载与登录 */
.loading { display: flex; align-items: center; justify-content: center; gap: 10px; padding: 48px; color: var(--secondary); }
.loading span { width: 16px; height: 16px; border-radius: 50%; border: 2px solid var(--fill); border-top-color: var(--blue);
  animation: spin .8s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }
.login-page { background: radial-gradient(1200px 600px at 50% -10%, color-mix(in srgb, var(--blue) 14%, transparent), transparent 70%); }
.login-card, .login-card > .lg-content { display: grid; justify-items: center; gap: 10px; text-align: center; }
.login-card { width: min(400px, 100%); padding: 36px 28px; }
.login-card h1 { font-size: 26px; font-weight: 700; color: var(--label); }
.login-card p { margin: 0; }
.login-form { display: grid; gap: 12px; width: 100%; margin: 10px 0 4px; text-align: start; }

/* ---------- 响应式（按窗口宽度） ---------- */
@media (max-width: 1280px) {
  .span-4, .span-5, .span-6, .span-7, .span-8 { grid-column: span 12; }
}

/* 窄屏：侧边栏变成抽屉，顶栏只保留标题 + 菜单 + 筛选按钮，筛选项点开才显示 */
@media (max-width: 900px) {
  :root { --gap: 10px; }
  .shell { grid-template-columns: minmax(0, 1fr); padding-top: 0; }
  .shell .side {
    position: fixed; z-index: 30; top: var(--gap); bottom: var(--gap); left: var(--gap);
    width: min(280px, 82vw); transform: translateX(calc(-100% - 24px)); transition: transform .25s ease;
  }
  .side .lg-sidebar-surface { height: 100%; }
  .shell[data-menu="open"] .side { transform: none; }
  .shell[data-menu="open"] .scrim { display: block; position: fixed; inset: 0; z-index: 25; background: rgba(0, 0, 0, .3); }

  .topbar { top: 0; margin: 0 calc(-1 * var(--gap)); padding: 8px 12px; border-radius: 0 0 18px 18px; }
  .topbar-title { font-size: 17px; font-weight: 600; margin: 0 auto; }
  .only-narrow { display: inline-flex; }
  .filters { display: none; width: 100%; }
  .topbar[data-filters="open"] .filters { display: flex; }
  .filters .lg-field { width: calc(50% - 4px); }

  .section { padding: 16px !important; }
  .kpis { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .kpi-value { font-size: 22px; }
  .form-grid { grid-template-columns: minmax(0, 1fr); }
}
@media (prefers-reduced-motion: reduce) {
  .loading span { animation: none; }
  .shell .side { transition: none; }
}