.cfos-task-manager {
  margin-top: 20px;
  padding: 22px;
  border: 1px solid var(--line, #e5e5e7);
  border-radius: 18px;
  background: var(--surface, #fff);
  color: var(--ink-1, #1d1d1f);
  box-shadow: 0 10px 30px rgba(0, 0, 0, .04);
}

.cfos-task-manager-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 14px;
}

.cfos-task-manager h2 { margin: 0 0 5px; font-size: 19px; }
.cfos-task-manager-head p { margin: 0; color: var(--ink-3, #6e6e73); font-size: 13px; }
.cfos-task-summary { flex: 0 0 180px; text-align: right; font-size: 13px; }
.cfos-task-count { display: block; margin-bottom: 7px; }
.cfos-task-progress { height: 7px; overflow: hidden; border-radius: 99px; background: var(--bg, #f2f2f7); }
.cfos-task-progress span { display: block; width: 0; height: 100%; border-radius: inherit; background: #248a3d; transition: width .2s ease; }
.cfos-task-live { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.cfos-task-toolbar { display: flex; gap: 7px; margin: 0 0 13px; overflow-x: auto; padding: 2px; }
.cfos-task-filter {
  flex: 0 0 auto;
  min-height: 34px;
  padding: 6px 12px;
  border: 1px solid var(--line, #d2d2d7);
  border-radius: 99px;
  background: var(--surface, #fff);
  color: var(--ink-2, #424245);
  font: inherit;
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
}
.cfos-task-filter:hover { background: var(--bg, #f2f2f7); }
.cfos-task-filter.active { border-color: #1d1d1f; background: #1d1d1f; color: #fff; }
.cfos-task-filter:focus-visible { outline: 3px solid rgba(0, 113, 227, .25); outline-offset: 2px; }
.cfos-task-list { display: grid; gap: 12px; }

.cfos-task-card {
  padding: 16px;
  border: 1px solid var(--line, #e5e5e7);
  border-left: 4px solid #8e8e93;
  border-radius: 13px;
  background: var(--surface, #fff);
}

.cfos-task-card.level-high { border-left-color: #d70015; }
.cfos-task-card.level-medium { border-left-color: #c77700; }
.cfos-task-card[data-status="done"] { opacity: .72; border-left-color: #248a3d; }
.cfos-task-card[data-status="done"] h3 { text-decoration: line-through; }
.cfos-task-card-head { display: flex; align-items: center; justify-content: space-between; gap: 12px; cursor: pointer; list-style: none; }
.cfos-task-card-head::-webkit-details-marker { display: none; }
.cfos-task-card-head:focus-visible { outline: 3px solid rgba(0, 113, 227, .25); outline-offset: 5px; border-radius: 5px; }
.cfos-task-expand { flex: 0 0 auto; color: var(--ink-3, #6e6e73); font-size: 12px; font-weight: 600; }
.cfos-task-expand::after { display: inline-block; margin-left: 5px; content: '⌄'; transition: transform .18s ease; }
.cfos-task-card[open] .cfos-task-expand::after { transform: rotate(180deg); }
.cfos-task-card[open] .cfos-task-expand { font-size: 0; }
.cfos-task-card[open] .cfos-task-expand::before { content: '收合'; font-size: 12px; }
.cfos-task-title-wrap { display: flex; align-items: center; gap: 7px; flex-wrap: wrap; }
.cfos-task-title-wrap h3 { flex-basis: 100%; margin: 3px 0 4px; font-size: 14px; line-height: 1.45; }
.cfos-task-compact { display: flex; gap: 12px; color: var(--ink-3, #6e6e73); font-size: 11.5px; font-weight: 500; }
.cfos-task-level,
.cfos-task-status-badge { padding: 3px 8px; border-radius: 99px; font-size: 11px; font-weight: 700; }
.cfos-task-level.high { color: #b00012; background: #fff0f1; }
.cfos-task-level.medium { color: #8a5100; background: #fff6df; }
.cfos-task-level.low { color: #246b32; background: #eef8f0; }
.cfos-task-status-badge { color: var(--ink-2, #424245); background: var(--bg, #f2f2f7); }

.cfos-task-fields { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 10px; margin-top: 15px; padding-top: 14px; border-top: 1px solid var(--line, #e5e5e7); }
.cfos-task-field { display: grid; gap: 5px; color: var(--ink-3, #6e6e73); font-size: 11px; font-weight: 600; }
.cfos-task-field > input,
.cfos-task-field > select,
.cfos-task-field > textarea {
  box-sizing: border-box;
  width: 100%;
  min-height: 38px;
  padding: 8px 10px;
  border: 1px solid var(--line, #d2d2d7);
  border-radius: 8px;
  background: var(--surface, #fff);
  color: var(--ink-1, #1d1d1f);
  font: inherit;
  font-size: 13px;
  font-weight: 400;
}
.cfos-task-card > .cfos-task-field { margin-top: 10px; }
.cfos-task-field > textarea { resize: vertical; line-height: 1.45; }
.cfos-task-field > input:focus-visible,
.cfos-task-field > select:focus-visible,
.cfos-task-field > textarea:focus-visible { outline: 3px solid rgba(0, 113, 227, .25); border-color: #0071e3; }
.cfos-task-empty,
.cfos-task-filter-empty { margin: 0; padding: 24px; text-align: center; color: var(--ink-3, #6e6e73); }

@media (max-width: 900px) {
  .cfos-task-fields { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 560px) {
  .cfos-task-manager { margin-top: 14px; padding: 14px; border-radius: 14px; }
  .cfos-task-manager-head { display: grid; gap: 12px; }
  .cfos-task-summary { width: 100%; text-align: left; }
  .cfos-task-fields { grid-template-columns: 1fr; }
  .cfos-task-card { padding: 13px; }
  .cfos-task-compact { display: grid; gap: 2px; }
  .cfos-task-expand { align-self: flex-start; }
}

@media (prefers-reduced-motion: reduce) {
  .cfos-task-progress span { transition: none; }
}