:root {
  --bg: #f5f6f8; --card: #ffffff; --elev: #fafbfc; --text: #16202c; --muted: #5f6b7a; --faint: #8e98a5;
  --border: #e3e7ec; --border-strong: #c9d0d8;
  --primary: #1f3a5f; --primary-hover: #284a78; --accent: #c8952e; --accent-soft: #fbf3e2;
  --ok: #1e8a5a; --ok-soft: #e4f4ec; --bad: #c0392b; --bad-soft: #fbe9e7; --warn-soft: #fff6e0; --info-soft: #eaf1fb;
  --radius: 14px; --radius-sm: 9px; --shadow: 0 1px 2px rgba(16,24,40,.04), 0 4px 16px rgba(16,24,40,.05);
  --font: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", "Segoe UI", Roboto, sans-serif;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0f141a; --card: #171e26; --elev: #1c242e; --text: #e8edf2; --muted: #9aa6b4; --faint: #6d7988;
    --border: #2a3440; --border-strong: #3b4756; --primary: #4f7fbf; --primary-hover: #6390cc; --accent: #e0b052; --accent-soft: #2e2716;
    --ok: #3cc08a; --ok-soft: #13291f; --bad: #ef6b5b; --bad-soft: #301917; --warn-soft: #2d2614; --info-soft: #152234;
    --shadow: 0 1px 2px rgba(0,0,0,.3); color-scheme: dark;
  }
}
* { box-sizing: border-box; }
[hidden] { display: none !important; }
html { scroll-behavior: smooth; scroll-padding-top: 110px; -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--bg); color: var(--text); font: 15px/1.6 var(--font); }
h1, h2, h3 { margin: 0; line-height: 1.3; }
h2 { font-size: 18px; } h3 { font-size: 15px; margin: 18px 0 10px; }
a { color: var(--primary); }
code { background: var(--elev); border: 1px solid var(--border); border-radius: 5px; padding: 0 5px; font-size: .9em; }
.muted { color: var(--muted); } .nowrap { white-space: nowrap; }
.hint, .fine { color: var(--muted); font-size: 13px; margin: 12px 0 0; }
.fine { text-align: center; margin-top: 18px; }
.empty { color: var(--faint); font-size: 14px; margin: 6px 0; }

/* 布局 */
.center-page { min-height: 100vh; min-height: 100dvh; display: flex; align-items: center; justify-content: center; padding: 20px; }
.container { max-width: 1120px; margin: 0 auto; padding: 18px 16px 40px; }
.card { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); box-shadow: var(--shadow); }
.section { padding: 20px; margin-top: 16px; }
.section-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 14px; }
.footer { text-align: center; color: var(--faint); font-size: 12px; margin-top: 28px; }

/* 顶栏 */
.topbar { position: sticky; top: 0; z-index: 20; background: color-mix(in srgb, var(--card) 88%, transparent); backdrop-filter: saturate(1.4) blur(10px); -webkit-backdrop-filter: saturate(1.4) blur(10px); border-bottom: 1px solid var(--border); padding-top: env(safe-area-inset-top); }
.topbar-inner { max-width: 1120px; margin: 0 auto; padding: 10px 16px; display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.brand { display: flex; align-items: center; gap: 10px; min-width: 0; }
.brand h1 { font-size: 17px; white-space: nowrap; }
.logo { flex: none; width: 32px; height: 32px; border-radius: 9px; background: var(--primary); color: #f1c96b; display: inline-flex; align-items: center; justify-content: center; font: 700 14px Georgia, serif; letter-spacing: .5px; }
.brand-lg { margin-bottom: 22px; } .brand-lg .logo { width: 46px; height: 46px; font-size: 19px; border-radius: 12px; }
.brand-lg h1 { font-size: 22px; } .brand-lg p { margin: 2px 0 0; font-size: 13px; }
.topbar-right { display: flex; align-items: center; gap: 10px; min-width: 0; }
.user-email { color: var(--muted); font-size: 13px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; max-width: 220px; }
.sync { font-size: 12px; padding: 2px 8px; border-radius: 99px; white-space: nowrap; }
.sync-ok { background: var(--ok-soft); color: var(--ok); } .sync-busy { background: var(--accent-soft); color: var(--accent); }
.nav { max-width: 1120px; margin: 0 auto; padding: 0 10px 8px; display: flex; gap: 4px; overflow-x: auto; scrollbar-width: none; }
.nav::-webkit-scrollbar { display: none; }
.nav a { flex: none; text-decoration: none; color: var(--muted); font-size: 14px; padding: 5px 11px; border-radius: 99px; }
.nav a:hover { background: var(--elev); color: var(--text); }

/* 提示条 */
.callout { border-radius: var(--radius-sm); padding: 12px 14px; font-size: 14px; margin: 0 0 12px; border: 1px solid transparent; }
.callout-info { background: var(--info-soft); border-color: color-mix(in srgb, var(--primary) 18%, transparent); }
.callout-warn { background: var(--warn-soft); border-color: color-mix(in srgb, var(--accent) 30%, transparent); }
.callout a { font-weight: 600; }

/* 指标 */
.metrics { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; margin-top: 4px; }
.metric { padding: 16px 18px; }
.metric-v { font-size: 26px; font-weight: 700; letter-spacing: -.5px; font-variant-numeric: tabular-nums; }
.metric-l { color: var(--muted); font-size: 13px; } .metric-d { color: var(--faint); font-size: 12px; }

/* 按钮与表单 */
.btn { appearance: none; border: 1px solid var(--border-strong); background: var(--card); color: var(--text); font: inherit; font-size: 14px; padding: 8px 14px; border-radius: var(--radius-sm); cursor: pointer; min-height: 40px; white-space: nowrap; transition: background .15s, border-color .15s; }
.btn:hover { background: var(--elev); } .btn:disabled { opacity: .6; cursor: default; }
.btn-primary { background: var(--primary); border-color: var(--primary); color: #fff; font-weight: 600; }
.btn-primary:hover { background: var(--primary-hover); }
.btn-ghost { border-color: transparent; background: transparent; color: var(--muted); }
.btn-sm { min-height: 32px; padding: 4px 10px; font-size: 13px; }
.btn-block { width: 100%; margin-top: 6px; }
.btn-danger-outline { border-color: color-mix(in srgb, var(--bad) 50%, transparent); color: var(--bad); }
.btn-danger-outline:hover { background: var(--bad-soft); }
.btn-link, .link-btn { background: none; border: 0; padding: 0; font: inherit; color: var(--primary); cursor: pointer; }
.btn-link { display: block; margin: 12px auto 0; font-size: 13px; }
.link-btn { font-weight: 600; text-align: left; }
.btn:focus-visible, .tick:focus-visible, .tab:focus-visible, .link-btn:focus-visible, select:focus-visible, input:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
.field { display: flex; flex-direction: column; gap: 5px; min-width: 0; }
.field > span { font-size: 13px; color: var(--muted); }
input, select { font: inherit; font-size: 16px; color: var(--text); background: var(--card); border: 1px solid var(--border-strong); border-radius: var(--radius-sm); padding: 8px 11px; min-height: 40px; width: 100%; }
select { cursor: pointer; padding-right: 30px; appearance: none; background-image: linear-gradient(45deg, transparent 50%, var(--muted) 50%), linear-gradient(135deg, var(--muted) 50%, transparent 50%); background-position: calc(100% - 15px) 50%, calc(100% - 10px) 50%; background-size: 5px 5px; background-repeat: no-repeat; }
.form-row { display: flex; gap: 10px; align-items: flex-end; flex-wrap: wrap; margin-bottom: 16px; }
.form-row .grow { flex: 1 1 240px; } .form-row .field:not(.grow) { flex: 0 1 180px; }
.form-row.compact { margin: 14px 0 0; }
.form-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; margin-bottom: 16px; }
.span-2 { grid-column: span 2; } .span-all { grid-column: 1 / -1; }
.form-msg { min-height: 20px; font-size: 14px; margin: 12px 0 0; text-align: center; color: var(--muted); }
.form-msg.err { color: var(--bad); } .form-msg.ok { color: var(--ok); }

/* 登录卡片 */
.auth-card { width: 100%; max-width: 400px; padding: 30px 26px; }
.auth-card form { display: flex; flex-direction: column; gap: 14px; }
.auth-card h1 + p { margin-top: 2px; }

/* 表格 */
.table-wrap { overflow-x: auto; -webkit-overflow-scrolling: touch; margin: 0 -4px; padding: 0 4px; }
.table { width: 100%; border-collapse: collapse; font-size: 14px; }
.table th { text-align: left; font-weight: 600; color: var(--muted); font-size: 13px; padding: 8px 10px; border-bottom: 1px solid var(--border); white-space: nowrap; }
.table td { padding: 10px; border-bottom: 1px solid var(--border); vertical-align: middle; }
.table tr:last-child td { border-bottom: 0; }
.table .status-select { width: auto; min-width: 104px; min-height: 34px; padding: 4px 30px 4px 10px; font-size: 14px; }
.row-act { text-align: right; width: 1%; }
.status-select.st-1 { border-color: color-mix(in srgb, var(--accent) 60%, transparent); background-color: var(--accent-soft); }
.status-select.st-2 { border-color: color-mix(in srgb, var(--ok) 50%, transparent); background-color: var(--ok-soft); }
.status-select.st-3 { border-color: var(--border-strong); background-color: var(--elev); color: var(--muted); }
.badge { display: inline-block; font-size: 12px; font-weight: 600; padding: 2px 9px; border-radius: 99px; white-space: nowrap; }
.badge-ok { background: var(--ok-soft); color: var(--ok); } .badge-bad { background: var(--bad-soft); color: var(--bad); } .badge-muted { background: var(--elev); color: var(--muted); border: 1px solid var(--border); }
.mini-progress { display: inline-block; vertical-align: middle; width: 56px; height: 6px; border-radius: 99px; background: var(--elev); border: 1px solid var(--border); overflow: hidden; margin-right: 6px; }
.mini-progress span { display: block; height: 100%; background: var(--accent); }
.score { display: inline-flex; align-items: center; justify-content: center; width: 26px; height: 26px; border-radius: 50%; font-weight: 700; font-size: 13px; background: var(--elev); }
.score.s4, .score.s5 { background: var(--ok-soft); color: var(--ok); } .score.s1, .score.s2 { background: var(--bad-soft); color: var(--bad); }

/* 档案 */
.tabs { display: flex; gap: 6px; overflow-x: auto; padding-bottom: 4px; margin-bottom: 16px; scrollbar-width: thin; }
.tab { flex: none; font: inherit; font-size: 14px; border: 1px solid var(--border); background: var(--elev); color: var(--muted); padding: 6px 14px; border-radius: 99px; cursor: pointer; min-height: 36px; }
.tab.active { background: var(--primary); border-color: var(--primary); color: #fff; font-weight: 600; }
.props { margin: 0 0 14px; display: grid; gap: 0; border: 1px solid var(--border); border-radius: var(--radius-sm); overflow: hidden; }
.props > div { display: grid; grid-template-columns: 110px 1fr; gap: 12px; padding: 10px 14px; border-bottom: 1px solid var(--border); align-items: center; }
.props > div:last-child { border-bottom: 0; }
.props dt { color: var(--muted); font-size: 13px; } .props dd { margin: 0; }
.props select { width: auto; min-width: 120px; }
.two-col { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-top: 8px; }
.sub { background: var(--elev); border: 1px solid var(--border); border-radius: var(--radius-sm); padding: 4px 16px 16px; }
.sub h3 { margin-top: 14px; }
.danger-zone { margin-top: 18px; padding-top: 14px; border-top: 1px dashed var(--border-strong); display: flex; gap: 12px; align-items: center; flex-wrap: wrap; }
.danger-zone .hint { margin: 0; }

/* 勾选清单 */
.ticks { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 6px; }
.tick { width: 100%; display: flex; align-items: center; gap: 10px; text-align: left; font: inherit; font-size: 14px; background: var(--card); color: var(--text); border: 1px solid var(--border); border-radius: var(--radius-sm); padding: 9px 11px; cursor: pointer; min-height: 42px; transition: border-color .15s; }
.tick:hover { border-color: var(--border-strong); }
.tick .box { flex: none; width: 20px; height: 20px; border-radius: 6px; border: 1.5px solid var(--border-strong); display: inline-flex; align-items: center; justify-content: center; font-size: 12px; color: #fff; }
.tick.done .box { background: var(--ok); border-color: var(--ok); }
.tick.done .txt { color: var(--faint); text-decoration: line-through; }

/* 进度条 */
.bars { display: flex; flex-direction: column; gap: 6px; margin-bottom: 14px; }
.bar { display: flex; align-items: center; gap: 12px; margin: 4px 0; }
.bar-label { width: 72px; flex: none; font-size: 13px; color: var(--muted); }
.bar-track { flex: 1; height: 8px; border-radius: 99px; background: var(--border); overflow: hidden; }
.bar-fill { display: block; height: 100%; background: var(--accent); border-radius: 99px; transition: width .3s; }
.bar-fill.full { background: var(--ok); }
.bar-pct { width: 42px; text-align: right; font-size: 13px; color: var(--muted); font-variant-numeric: tabular-nums; }
.week-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 14px; }

/* 看板 */
.board { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.col { background: var(--elev); border: 1px solid var(--border); border-radius: var(--radius-sm); padding: 4px 12px 12px; min-height: 120px; border-top: 3px solid var(--border-strong); }
.col-1 { border-top-color: var(--accent); } .col-2 { border-top-color: var(--ok); }
.col h3 { display: flex; align-items: center; gap: 8px; margin: 12px 0 10px; }
.count { font-size: 12px; font-weight: 600; background: var(--card); border: 1px solid var(--border); padding: 0 8px; border-radius: 99px; color: var(--muted); }
.task { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius-sm); padding: 10px 12px; margin-bottom: 8px; box-shadow: var(--shadow); }
.task-title { font-size: 14px; font-weight: 500; word-break: break-word; }
.task-meta { color: var(--muted); font-size: 12px; margin: 3px 0 8px; }
.task-actions { display: flex; gap: 6px; flex-wrap: wrap; }

/* 参考 */
.link-card { display: flex; flex-direction: column; gap: 2px; text-decoration: none; color: var(--text); border: 1px solid var(--border); border-radius: var(--radius-sm); padding: 14px 16px; background: var(--elev); transition: border-color .15s; }
.link-card:hover { border-color: var(--primary); }
.link-title { font-weight: 600; }

/* 提示 */
.toast { position: fixed; left: 50%; bottom: calc(20px + env(safe-area-inset-bottom)); transform: translateX(-50%); z-index: 50; max-width: calc(100% - 32px); background: var(--text); color: var(--card); padding: 10px 16px; border-radius: 10px; font-size: 14px; box-shadow: 0 8px 24px rgba(0,0,0,.2); }
.toast-error { background: var(--bad); color: #fff; }
.spinner { width: 34px; height: 34px; border-radius: 50%; border: 3px solid var(--border); border-top-color: var(--primary); animation: spin .8s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }

/* 平板 */
@media (max-width: 900px) {
  .metrics { grid-template-columns: repeat(2, 1fr); }
  .form-grid { grid-template-columns: 1fr 1fr; }
  .board { grid-template-columns: 1fr; }
  .col { min-height: 0; }
}
/* 手机 */
@media (max-width: 640px) {
  body { font-size: 15px; }
  .container { padding: 12px 12px 32px; }
  .section { padding: 16px 14px; margin-top: 12px; }
  .brand h1 { font-size: 16px; }
  .user-email { display: none; }
  .metric { padding: 12px 14px; } .metric-v { font-size: 22px; }
  .two-col { grid-template-columns: 1fr; }
  .form-grid { grid-template-columns: 1fr; }
  .span-2 { grid-column: auto; }
  .form-row .field:not(.grow), .form-row .grow { flex: 1 1 100%; }
  .form-row .btn, .form-grid .btn { width: 100%; }
  .form-row.compact .btn { width: auto; } .form-row.compact .grow { flex: 1 1 0; }
  .props > div { grid-template-columns: 1fr; gap: 2px; }
  .week-grid { grid-template-columns: 1fr; }
  /* 响应式表格：手机上变成卡片 */
  .table.responsive thead { display: none; }
  .table.responsive, .table.responsive tbody, .table.responsive tr, .table.responsive td { display: block; width: 100%; }
  .table.responsive tr { border: 1px solid var(--border); border-radius: var(--radius-sm); padding: 6px 12px; margin-bottom: 10px; background: var(--elev); }
  .table.responsive td { border: 0; padding: 6px 0; display: flex; justify-content: space-between; align-items: center; gap: 12px; text-align: right; }
  .table.responsive td::before { content: attr(data-label); color: var(--muted); font-size: 13px; text-align: left; flex: none; }
  .table.responsive td.row-act { justify-content: flex-end; }
  .table.responsive td.row-act::before { content: none; }
}