:root {
  --ink: #1d2520;
  --muted: #667169;
  --line: #dce3dc;
  --paper: #f6f8f5;
  --surface: #ffffff;
  --green: #176b4b;
  --green-soft: #e1f0e7;
  --yellow: #d9a526;
  --red: #b4473d;
  --blue: #386d9d;
  font-family: Inter, "Segoe UI", "Microsoft YaHei", sans-serif;
  color: var(--ink);
  background: var(--paper);
  letter-spacing: 0;
}
* { box-sizing: border-box; }
body { margin: 0; min-width: 320px; background: var(--paper); }
button, input, textarea, select { font: inherit; letter-spacing: 0; }
button { cursor: pointer; }
.app-shell { min-height: 100vh; }
.topbar { height: 68px; display: flex; align-items: center; justify-content: space-between; padding: 0 22px; border-bottom: 1px solid var(--line); background: rgba(255,255,255,.96); position: sticky; top: 0; z-index: 10; }
.brand-button { display: flex; align-items: center; gap: 10px; border: 0; background: transparent; color: var(--ink); text-align: left; padding: 4px; }
.brand-button strong { display: block; font-size: 17px; }
.brand-button small { display: block; color: var(--muted); font-size: 11px; margin-top: 2px; }
.brand-mark { width: 34px; height: 34px; display: grid; place-items: center; background: var(--ink); color: white; border-radius: 6px; font-family: Georgia, serif; font-weight: 700; }
.brand-mark.large { width: 48px; height: 48px; font-size: 22px; margin-bottom: 26px; }
.top-actions, .admin-actions { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.button, .icon-button { min-height: 38px; border: 1px solid var(--line); border-radius: 6px; background: var(--surface); color: var(--ink); padding: 8px 13px; }
.button:hover, .icon-button:hover { border-color: #aab5ad; background: #f8faf8; }
.button.primary { background: var(--green); border-color: var(--green); color: white; }
.button.subtle { background: var(--green-soft); border-color: transparent; color: var(--green); }
.button.danger { color: var(--red); border-color: #e8c8c4; }
.icon-button { width: 38px; padding: 0; font-size: 20px; display: grid; place-items: center; }
.workspace { display: grid; grid-template-columns: minmax(300px, 360px) 1fr; min-height: calc(100vh - 68px); }
.sidebar { background: var(--surface); border-right: 1px solid var(--line); padding: 18px 14px; overflow: auto; }
.sidebar-heading { display: flex; justify-content: space-between; align-items: flex-end; padding: 0 7px 12px; }
.sidebar-heading h2 { font-size: 15px; margin: 0; }
.sidebar-heading span { color: var(--muted); font-size: 12px; }
.filter-row { display: grid; grid-template-columns: 1fr auto; gap: 8px; margin: 0 6px 14px; }
input, textarea, select { width: 100%; color: var(--ink); background: white; border: 1px solid #cfd8d0; border-radius: 5px; padding: 9px 10px; outline: none; }
input:focus, textarea:focus, select:focus { border-color: var(--green); box-shadow: 0 0 0 3px rgba(23,107,75,.12); }
label { display: grid; gap: 6px; font-size: 12px; font-weight: 600; color: #455149; }
.task-list { display: grid; gap: 5px; }
.task-item { min-height: 72px; display: grid; grid-template-columns: 5px 1fr auto; gap: 10px; align-items: center; padding: 10px 9px 10px 5px; border: 1px solid transparent; border-radius: 6px; background: transparent; cursor: pointer; }
.task-item:hover { background: #f4f7f4; }
.task-item.selected { background: var(--green-soft); border-color: #bad6c5; }
.priority-bar { width: 4px; align-self: stretch; border-radius: 3px; background: var(--blue); }
.priority-1 { background: var(--red); }.priority-2 { background: var(--yellow); }.priority-3 { background: var(--green); }.priority-4 { background: var(--blue); }.priority-5 { background: #9ba39d; }
.task-copy { min-width: 0; }
.task-copy strong { display: block; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; font-size: 14px; }
.task-copy small { display: block; margin-top: 6px; color: var(--muted); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.drag-handle { color: #9aa49c; font-size: 18px; cursor: grab; padding: 10px 2px; }
.task-item.dragging { opacity: .45; }
.empty-list { color: var(--muted); padding: 32px 12px; text-align: center; font-size: 13px; }
.main-content { padding: 28px clamp(20px, 4vw, 52px) 60px; min-width: 0; }
.page-heading { display: flex; justify-content: space-between; align-items: flex-start; gap: 24px; margin-bottom: 26px; }
.page-heading h1 { margin: 3px 0 7px; font-size: 28px; font-weight: 680; }
.page-heading p { margin: 0; color: var(--muted); }
.eyebrow { color: var(--green); font-size: 10px; line-height: 1.2; font-weight: 800; margin: 0; text-transform: uppercase; }
.summary-strip { display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); margin: 18px 0 30px; }
.summary-cell { padding: 19px 20px; border-right: 1px solid var(--line); }
.summary-cell:first-child { padding-left: 0; }.summary-cell:last-child { border: 0; }
.summary-cell strong { display: block; font-size: 25px; }.summary-cell span { color: var(--muted); font-size: 12px; }
.section { padding: 24px 0; border-bottom: 1px solid var(--line); }
.section-heading { display: flex; justify-content: space-between; align-items: baseline; gap: 16px; margin-bottom: 16px; }
.section-heading h2 { margin: 0; font-size: 17px; }.section-heading span { font-size: 12px; color: var(--muted); }
.overview-list { display: grid; gap: 12px; }
.overview-row { display: grid; grid-template-columns: minmax(160px, 1.4fr) 2fr auto; gap: 16px; align-items: center; padding: 13px 0; cursor: pointer; }
.overview-row:hover strong { color: var(--green); }
.overview-name strong, .overview-name small { display: block; }.overview-name small { color: var(--muted); margin-top: 4px; }
.overview-metrics { display: grid; gap: 8px; }
.mini-progress { display: grid; gap: 4px; }
.mini-progress-label { display: flex; justify-content: space-between; gap: 12px; font-size: 12px; }
.mini-progress-label small { color: var(--muted); font-size: 11px; }
.gantt-scale-switch { display: inline-flex; gap: 4px; }
.gantt-scale-btn { border: 1px solid var(--line); background: var(--surface); color: var(--muted); border-radius: 4px; padding: 3px 10px; font-size: 12px; }
.gantt-scale-btn.active { background: var(--green-soft); color: var(--green); border-color: #bad6c5; font-weight: 700; }
/* 一周和一月的视觉宽度一致：每个「周期」占 --gantt-period-px，每天列宽按周期天数均分。 */
.gantt-viewport { --gantt-period-px: 520px; overflow-x: auto; overflow-y: hidden; padding-bottom: 10px; border: 1px solid var(--line); border-radius: 6px; }
.gantt-viewport[data-scale="week"] { --gantt-day-size: calc(var(--gantt-period-px) / 7); }
.gantt-viewport[data-scale="month"] { --gantt-day-size: calc(var(--gantt-period-px) / 30); }
.gantt-layout {
  --gantt-label-col: clamp(8rem, 18vw, 11rem);
  --gantt-row-height: 24px;
  display: grid;
  grid-template-columns: var(--gantt-label-col) repeat(var(--days), var(--gantt-day-size));
  grid-template-rows: 24px 22px repeat(var(--rows), var(--gantt-row-height));
  width: max-content;
  position: relative;
}
.gantt-month-band {
  grid-row: 1;
  grid-column: var(--col) / span var(--span);
  align-self: center;
  padding-left: 4px;
  font-size: 11px;
  font-weight: 700;
  color: var(--muted);
  white-space: nowrap;
  border-left: 1px solid var(--line);
}
.gantt-day-mark {
  grid-row: 2;
  grid-column: var(--col);
  font-size: 9px;
  color: var(--muted);
  text-align: center;
  white-space: nowrap;
  border-left: 1px solid #eef2ee;
  padding-top: 4px;
}
.gantt-label {
  grid-column: 1;
  grid-row: var(--row);
  position: sticky;
  left: 0;
  z-index: 3;
  background: var(--surface);
  padding: 0 8px 0 4px;
  font-size: 13px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  cursor: pointer;
  border-bottom: 1px solid #f0f3f0;
}
.gantt-bar {
  grid-column: var(--start) / var(--end);
  grid-row: var(--row);
  align-self: center;
  height: 14px;
  border-radius: 4px;
  background: var(--blue);
  min-width: 3px;
  cursor: pointer;
  position: relative;
}
.gantt-bar.priority-1 { background: var(--red); }.gantt-bar.priority-2 { background: var(--yellow); }.gantt-bar.priority-3 { background: var(--green); }.gantt-bar.priority-4 { background: var(--blue); }.gantt-bar.priority-5 { background: #9ba39d; }
.gantt-bar.open-left { border-top-left-radius: 0; border-bottom-left-radius: 0; }
.gantt-bar.open-right { border-top-right-radius: 0; border-bottom-right-radius: 0; }
.gantt-bar.open-left::before { content: "⟵"; font-size: 10px; line-height: 1; color: rgba(255,255,255,.9); position: absolute; left: 3px; top: 50%; transform: translateY(-50%); }
.gantt-bar.open-right::after { content: "⟶"; font-size: 10px; line-height: 1; color: rgba(255,255,255,.9); position: absolute; right: 3px; top: 50%; transform: translateY(-50%); }
.gantt-today {
  grid-column: var(--col);
  grid-row: 2 / -1;
  width: 1px;
  background: var(--red);
  z-index: 2;
  pointer-events: none;
}
.progress-track { height: 7px; background: #e5eae5; overflow: hidden; border-radius: 4px; }
.progress-fill { height: 100%; background: var(--green); border-radius: inherit; }
.muted { color: var(--muted); }.nowrap { white-space: nowrap; }
.status-badge { display: inline-flex; align-items: center; min-height: 25px; padding: 3px 8px; border-radius: 4px; background: var(--green-soft); color: var(--green); font-size: 11px; font-weight: 700; }
.status-badge.paused { background: #ecefed; color: #6d756f; }
.tabs { display: flex; gap: 3px; border-bottom: 1px solid var(--line); margin-top: 22px; }
.tab { border: 0; border-bottom: 2px solid transparent; padding: 10px 14px; background: transparent; color: var(--muted); }
.tab.active { color: var(--green); border-bottom-color: var(--green); font-weight: 700; }
.tab-panel[hidden] { display: none; }
.record-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 13px; }
.record-date-row { margin-bottom: 13px; }
.record-date-row input { max-width: 200px; }
.record-field { padding: 15px; background: var(--surface); border: 1px solid var(--line); border-radius: 6px; }
.record-field.check { display: flex; align-items: center; gap: 11px; }
.record-field.check input { width: 19px; height: 19px; }
.record-field.wide { grid-column: 1 / -1; }
.record-actions { display: flex; justify-content: space-between; align-items: center; margin-top: 16px; }
.metric-cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 12px; }
.metric-card { border: 1px solid var(--line); background: var(--surface); border-radius: 6px; padding: 17px; }
.metric-card-head { display: flex; justify-content: space-between; gap: 12px; margin-bottom: 13px; }
.metric-card strong { font-size: 14px; }.metric-card small { color: var(--muted); }
.metric-value { font-size: 22px; margin: 10px 0 4px; font-weight: 700; }
.heatmap-wrap { overflow-x: auto; padding-bottom: 8px; }
.heatmap { display: grid; grid-template-rows: repeat(7, 11px); grid-auto-flow: column; grid-auto-columns: 11px; gap: 3px; width: max-content; min-height: 95px; }
.heat-cell { width: 11px; height: 11px; background: #e3e8e3; border-radius: 2px; }
.heat-cell.level-1 { background: #b9dbc6; }.heat-cell.level-2 { background: #70b18a; }.heat-cell.level-3 { background: #2d855f; }.heat-cell.level-4 { background: #12583d; }
.heat-legend { display: flex; gap: 4px; align-items: center; justify-content: flex-end; font-size: 11px; color: var(--muted); margin-top: 8px; }
.heat-legend i { width: 11px; height: 11px; border-radius: 2px; background: #e3e8e3; }
.detail-empty { min-height: 60vh; display: grid; place-items: center; text-align: center; color: var(--muted); }
.dialog { width: min(760px, calc(100vw - 28px)); max-height: calc(100vh - 40px); border: 1px solid var(--line); border-radius: 8px; padding: 24px; color: var(--ink); box-shadow: 0 20px 60px rgba(23,33,26,.22); }
.dialog::backdrop { background: rgba(24,31,26,.42); }
.dialog-heading, .metric-heading { display: flex; align-items: flex-start; justify-content: space-between; gap: 20px; margin-bottom: 20px; }
.dialog-heading h2, .metric-heading h3 { margin: 3px 0 0; font-size: 20px; }.metric-heading h3 { font-size: 15px; }
.form-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; }.form-grid .wide { grid-column: 1 / -1; }
.metric-heading { margin: 25px 0 10px; align-items: center; }
.metric-editor { display: grid; gap: 8px; }
.metric-row { display: grid; grid-template-columns: 1.5fr 1fr 1fr .8fr .8fr 38px; gap: 7px; align-items: end; padding: 10px; border: 1px solid var(--line); border-radius: 6px; }
.metric-row label { font-size: 10px; }.remove-metric { margin-bottom: 0; }
.dialog-actions { display: flex; justify-content: flex-end; gap: 8px; margin-top: 24px; }
.admin-dialog { width: min(720px, calc(100vw - 28px)); }.admin-actions { margin-bottom: 18px; }
.admin-stats-strip { margin: 0 0 22px; }.admin-stats-strip .summary-cell { padding: 12px 14px; }.admin-stats-strip .summary-cell strong { font-size: 19px; }
.trash-list { display: grid; gap: 8px; }.trash-item { display: flex; justify-content: space-between; align-items: center; gap: 12px; border-top: 1px solid var(--line); padding: 12px 0; }.trash-item-actions { display: flex; gap: 6px; }
.login-overlay { position: fixed; inset: 0; z-index: 100; background: #eef2ee; display: grid; place-items: center; padding: 20px; }
.login-overlay[hidden] { display: none; }.login-panel { width: min(380px, 100%); background: white; border: 1px solid var(--line); padding: 38px; border-radius: 8px; }.login-panel h1 { margin: 6px 0 28px; font-size: 25px; }.wide-button { width: 100%; margin-top: 16px; }.form-error { color: var(--red); min-height: 18px; font-size: 12px; }
.toast { position: fixed; right: 22px; bottom: 22px; z-index: 200; max-width: min(360px, calc(100vw - 44px)); background: var(--ink); color: white; border-radius: 6px; padding: 11px 15px; transform: translateY(100px); opacity: 0; transition: .2s ease; }.toast.show { transform: translateY(0); opacity: 1; }
@media (max-width: 820px) {
  .topbar { padding: 0 12px; }.button.primary { padding-inline: 10px; }
  .workspace { display: block; }.sidebar { border-right: 0; border-bottom: 1px solid var(--line); max-height: 41vh; }.main-content { padding: 22px 16px 50px; }
  .summary-strip { grid-template-columns: repeat(3, 1fr); }.summary-cell { padding: 15px 10px; }.summary-cell strong { font-size: 20px; }
  .overview-row { grid-template-columns: 1fr auto; }.overview-row .progress-track { grid-column: 1 / -1; grid-row: 2; }
  .metric-row { grid-template-columns: repeat(2, 1fr); }.remove-metric { grid-column: 2; justify-self: end; }
}
@media (max-width: 520px) {
  .brand-button small { display: none; }.top-actions .primary { font-size: 0; width: 42px; }.top-actions .primary::first-letter { font-size: 18px; }
  .page-heading h1 { font-size: 23px; }.summary-strip { grid-template-columns: 1fr; }.summary-cell, .summary-cell:first-child { padding: 12px 0; border-right: 0; border-bottom: 1px solid var(--line); }
  .record-grid, .form-grid { grid-template-columns: 1fr; }.form-grid .wide { grid-column: auto; }.record-field.wide { grid-column: auto; }
  .dialog { padding: 18px; }.metric-row { grid-template-columns: 1fr; }.remove-metric { grid-column: auto; justify-self: stretch; width: 100%; }
  .trash-item { align-items: flex-start; flex-direction: column; }
}