:root {
  --paper: #faf9f6;
  --ink: #1a1915;
  --muted: #78716c;
  --line: #e7e3d9;
  --accent: #c96442;
  --accent-soft: #f3e5dc;
  --accent-deep: #a14b2f;
  --green: #3f7c5c;
  --green-soft: #e6efe8;
  --yellow: #d4a017;
  --yellow-soft: #faf1dc;
  --red: #a83232;
  --red-soft: #f5dddd;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: Inter, 'Noto Sans SC', -apple-system, sans-serif;
  font-size: 14px;
  line-height: 1.65;
}
main { max-width: 1280px; margin: 0 auto; padding: 24px 20px 72px; }
h1, h2, h3, h4 {
  font-family: Fraunces, 'Noto Sans SC', serif;
  font-weight: 500;
  letter-spacing: 0;
  margin: 0;
}
h1 { font-size: 34px; line-height: 1.1; }
h2 { font-size: 22px; margin-top: 32px; margin-bottom: 14px; padding-bottom: 8px; border-bottom: 1px solid var(--line); }
h3 { font-size: 16px; margin-bottom: 8px; }
h4 { font-size: 14px; margin-bottom: 6px; }

/* 顶部导航 */
nav.topbar {
  background: #fff;
  border-bottom: 1px solid var(--line);
  padding: 10px 20px;
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 2px 6px rgba(0,0,0,0.02);
}
nav.topbar .bar { max-width: 1280px; margin: 0 auto; display: flex; gap: 6px; flex-wrap: wrap; align-items: center; }
nav.topbar a {
  padding: 6px 12px; border-radius: 4px; color: var(--muted); text-decoration: none;
  font-size: 13px; font-weight: 500; transition: all 0.15s;
}
nav.topbar a:hover { background: var(--accent-soft); color: var(--accent); }
nav.topbar a.active { background: var(--accent); color: #fff; }
nav.topbar .divider { color: var(--line); margin: 0 4px; }

.eyebrow { color: var(--accent); font-size: 11px; letter-spacing: 2px; text-transform: uppercase; font-weight: 700; margin-bottom: 8px; }
.cover { border-left: 5px solid var(--accent); background: #fff; border-radius: 8px; padding: 20px 24px; margin-bottom: 20px; }
.sub { color: var(--muted); margin-top: 6px; font-size: 12.5px; }

/* KPI 卡 */
.kpi-row { display: grid; grid-template-columns: repeat(auto-fit, minmax(140px, 1fr)); gap: 10px; margin-top: 14px; }
.kpi { background: #fff; border: 1px solid var(--line); border-radius: 6px; padding: 14px; }
.kpi-num { font-family: Fraunces, serif; font-size: 26px; font-weight: 500; color: var(--accent); }
.kpi-label { color: var(--muted); font-size: 11px; margin-top: 4px; letter-spacing: 1px; text-transform: uppercase; }

/* owner 卡 */
.owner-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 12px; }
.owner { background: #fff; border: 1px solid var(--line); border-radius: 6px; padding: 16px; }
.progress-bar { height: 6px; background: var(--line); border-radius: 3px; overflow: hidden; margin: 8px 0; }
.progress-fill { height: 100%; }

/* 表格 */
table { width: 100%; border-collapse: collapse; background: #fff; border: 1px solid var(--line); border-radius: 6px; overflow: hidden; margin-top: 6px; }
th, td { padding: 8px 10px; text-align: left; border-bottom: 1px solid var(--line); font-size: 12px; vertical-align: top; }
th { background: var(--accent-soft); font-weight: 600; color: var(--ink); text-transform: uppercase; letter-spacing: 0.5px; font-size: 10px; }
tr:last-child td { border-bottom: none; }
.num { text-align: right; font-variant-numeric: tabular-nums; }
.sev-g { color: var(--green); font-weight: 600; }
.sev-y { color: var(--yellow); font-weight: 600; }
.sev-r { color: var(--red); font-weight: 600; }

/* tag */
.plat-tag { display: inline-block; padding: 1px 6px; border-radius: 3px; font-size: 10px; font-weight: 600; background: var(--accent-soft); color: var(--accent); }
.cat-tag { display: inline-block; padding: 1px 6px; border-radius: 3px; font-size: 10px; background: var(--line); }

/* 3 档卡 */
.grid3 { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 12px; }
.tier-card { background: #fff; border: 1px solid var(--line); border-radius: 6px; padding: 16px; text-align: center; }
.tier-card.active { border: 2px solid var(--green); background: var(--green-soft); }

.hint { background: var(--accent-soft); border-left: 3px solid var(--accent); padding: 10px 12px; border-radius: 4px; margin: 10px 0; font-size: 12px; color: var(--ink); }

/* details 折叠 */
details { background: #fff; border: 1px solid var(--line); border-radius: 6px; margin-top: 8px; overflow: hidden; }
details > summary {
  padding: 12px 16px; cursor: pointer; font-weight: 600; font-size: 13px;
  background: var(--accent-soft); list-style: none; user-select: none;
  display: flex; justify-content: space-between; align-items: center;
}
details > summary::-webkit-details-marker { display: none; }
details > summary::before { content: '▶'; font-size: 10px; margin-right: 8px; transition: transform 0.2s; }
details[open] > summary::before { transform: rotate(90deg); }
details[open] > summary { border-bottom: 1px solid var(--line); }
details .inner { padding: 12px 16px; }
details.current summary { background: var(--green-soft); border-left: 4px solid var(--green); }
details.current summary::after { content: '● 本周'; color: var(--green); font-size: 11px; font-weight: 700; margin-left: auto; }

/* 完成状态 */
.done-row td { color: #aaa; }
.done-row .task-text { text-decoration: line-through; }

/* checkbox 交互 */
input[type="checkbox"].cl-check { width: 18px; height: 18px; cursor: pointer; accent-color: var(--green); }
input[type="text"].cl-note {
  border: 1px solid var(--line); border-radius: 3px; padding: 4px 6px; font-size: 12px;
  background: transparent; transition: all 0.15s; font-family: inherit;
}
input[type="text"].cl-note:focus { border-color: var(--accent); outline: none; background: #fff; }
input[type="text"].cl-note.has-value { background: var(--yellow-soft); border-color: var(--yellow); }

.cl-date { font-size: 11px; color: var(--muted); }
.cl-date.has-date { color: var(--green); font-weight: 600; }

/* 编辑能力 */
.editable-text.edited, .editable-num.edited {
  background: var(--yellow-soft);
  padding: 2px 4px;
  border-radius: 2px;
  border-bottom: 2px dotted var(--yellow);
}
.editable-text:hover, .editable-num:hover {
  background: rgba(201, 100, 66, 0.05);
}
.row-menu:hover { background: var(--line) !important; border-radius: 3px; }
tr.deleted-row td { color: #ccc !important; }

/* 状态 badge */
.status-todo { color: var(--red); font-weight: 600; }
.status-wip { color: var(--yellow); font-weight: 600; }
.status-done { color: var(--green); font-weight: 600; }

.anom-block { background: #fff; border: 1px solid var(--line); border-radius: 6px; padding: 14px; margin-top: 10px; }
.anom-block h3 { color: var(--accent); font-size: 13px; text-transform: uppercase; letter-spacing: 1px; font-family: Inter, sans-serif; font-weight: 700; }

footer { margin-top: 48px; padding-top: 16px; border-top: 1px solid var(--line); color: var(--muted); font-size: 11px; }

/* filter tabs */
.filter-tabs { display: flex; gap: 6px; flex-wrap: wrap; margin: 8px 0; }
.filter-tabs button {
  padding: 4px 10px; border: 1px solid var(--line); background: #fff; border-radius: 4px;
  cursor: pointer; font-size: 12px; color: var(--muted); font-family: inherit;
}
.filter-tabs button.active { background: var(--accent); color: #fff; border-color: var(--accent); }
.filter-tabs button:hover { border-color: var(--accent); color: var(--accent); }
.filter-tabs button.active:hover { color: #fff; }

/* 图表 Tab */
.chart-tabs {
  display: flex; gap: 4px; flex-wrap: wrap; margin-bottom: 12px;
  padding: 4px; background: #fff; border: 1px solid var(--line); border-radius: 6px;
}
.chart-tab-btn {
  padding: 6px 14px; border: none; background: transparent; border-radius: 4px;
  cursor: pointer; font-size: 12px; color: var(--muted); font-family: inherit;
  font-weight: 500; transition: all 0.15s;
}
.chart-tab-btn:hover { background: var(--accent-soft); color: var(--accent); }
.chart-tab-btn.active { background: var(--accent); color: #fff; }
.chart-panel { display: none; }
.chart-panel.active {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 10px;
}
.chart-box {
  background: #fff; border: 1px solid var(--line); border-radius: 6px; padding: 10px 12px;
}
.chart-box h4 { font-size: 12px; margin-bottom: 4px; color: var(--muted); letter-spacing: 0.5px; font-family: Inter, sans-serif; font-weight: 600; text-transform: uppercase; }
.chart-box .chart-sub { font-size: 10px; color: var(--muted); margin-bottom: 6px; }
.chart-box canvas { max-height: 180px !important; }

/* 紧凑 KPI */
.kpi-compact {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(120px, 1fr)); gap: 6px;
  margin-top: 8px;
}
.kpi-compact .kpi-mini {
  background: #fff; border: 1px solid var(--line); border-radius: 4px; padding: 8px 10px;
  display: flex; flex-direction: column;
}
.kpi-compact .kpi-mini .n { font-family: Fraunces, serif; font-size: 18px; color: var(--accent); font-weight: 500; }
.kpi-compact .kpi-mini .l { font-size: 10px; color: var(--muted); text-transform: uppercase; letter-spacing: 0.8px; }

/* Responsive */
@media (max-width: 768px) {
  main { padding: 16px 12px 60px; }
  h1 { font-size: 26px; }
  h2 { font-size: 18px; margin-top: 24px; }
  .kpi-row { grid-template-columns: repeat(2, 1fr); }
  .kpi-num { font-size: 22px; }
  table { display: block; overflow-x: auto; white-space: nowrap; }
  nav.topbar { padding: 8px 12px; }
  nav.topbar a { padding: 4px 8px; font-size: 12px; }
}