/* ── 任务看板 ─────────────────────────────────────────── */

.tb-filters {
  display: flex;
  gap: 14px;
  align-items: center;
  margin: 10px 0 16px;
  flex-wrap: wrap;
}
.tb-filter-label {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: var(--fs-12, 13px);
  color: var(--fg-dim, #888);
  white-space: nowrap;
}
.tb-filter-label select {
  padding: 4px 8px;
  border: 1px solid var(--border, #ddd);
  border-radius: 6px;
  background: var(--bg, #fff);
  color: var(--fg, #333);
  font-size: var(--fs-12, 13px);
  cursor: pointer;
  outline: none;
}
.tb-filter-label select:focus {
  border-color: var(--fg, #333);
}

/* 任务列表 */
.tb-list {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
}

/* 任务卡片 */
.tb-card {
  background: var(--panel, #fff);
  border: 1px solid var(--border, #ddd);
  border-radius: 12px;
  padding: 14px 16px;
  cursor: pointer;
  transition: border-color 0.15s, transform 0.15s, box-shadow 0.15s;
  position: relative;
  min-height: 140px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.tb-card:hover {
  border-color: var(--border-strong, #bbb);
  transform: translateY(-1px);
  box-shadow: 0 2px 8px rgba(0,0,0,0.06);
}
.tb-card-top {
  display: flex;
  align-items: flex-start;
  gap: 10px;
}
.tb-card-title {
  flex: 1;
  font-size: var(--fs-15, 15px);
  font-weight: 600;
  color: var(--fg, #222);
  line-height: 1.4;
  min-width: 0;
  word-break: break-word;
}
.tb-card-source-badge {
  flex-shrink: 0;
  font-size: 10px;
  font-weight: 600;
  padding: 2px 7px;
  border-radius: 999px;
  text-transform: uppercase;
  letter-spacing: 0.3px;
}
.tb-card-source-badge.user {
  background: rgba(59,130,246,0.12);
  color: #3b82f6;
}
.tb-card-source-badge.ai {
  background: rgba(16,185,129,0.12);
  color: #10b981;
}
.tb-card-desc {
  font-size: var(--fs-12, 12px);
  color: var(--fg-dim, #888);
  line-height: 1.55;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  flex: 1;
}
.tb-card-bottom {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  margin-top: auto;
}
.tb-status-badge {
  font-size: 11px;
  font-weight: 600;
  padding: 2px 8px;
  border-radius: 999px;
}
.tb-status-badge.backlog {
  background: rgba(156,163,175,0.15);
  color: #6b7280;
}
.tb-status-badge.in_progress {
  background: rgba(59,130,246,0.12);
  color: #3b82f6;
}
.tb-status-badge.done {
  background: rgba(16,185,129,0.12);
  color: #10b981;
}
.tb-status-badge.cancelled {
  background: rgba(239,68,68,0.1);
  color: #ef4444;
}
.tb-progress-wrap {
  display: flex;
  align-items: center;
  gap: 8px;
  flex: 1;
  min-width: 100px;
}
.tb-progress-bar {
  flex: 1;
  height: 5px;
  background: var(--border, #ddd);
  border-radius: 999px;
  overflow: hidden;
}
.tb-progress-fill {
  height: 100%;
  background: var(--accent, #6aa3ff);
  border-radius: 999px;
  transition: width 0.3s ease;
}
.tb-progress-pct {
  font-size: 11px;
  font-weight: 600;
  color: var(--fg-dim, #888);
  min-width: 28px;
  text-align: right;
}
.tb-tag {
  font-size: 10px;
  padding: 2px 7px;
  border-radius: 4px;
  background: var(--bg-soft, #f5f5f5);
  color: var(--fg-dim, #888);
  border: 1px solid var(--border, #ddd);
}
.tb-ms-summary {
  font-size: 11px;
  color: var(--fg-dim, #888);
}
.tb-ms-summary span {
  font-weight: 600;
  color: var(--fg, #555);
}
.tb-empty {
  padding: 40px 10px;
  text-align: center;
  color: var(--fg-muted, #aaa);
  font-size: var(--fs-14, 14px);
  border: 1px dashed var(--border, #ddd);
  border-radius: 12px;
  background: var(--panel, #fff);
}

/* ── 任务弹窗（新建/编辑）────────────────────────── */
.task-modal {
  max-width: 640px;
  height: min(720px, 90vh);
}
.task-form {
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.tf-row {
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.tf-row.horizontal {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}
@media (max-width: 500px) {
  .tf-row.horizontal { grid-template-columns: 1fr; }
}
.task-form label {
  font-size: var(--fs-12, 12px);
  font-weight: 600;
  color: var(--fg-dim, #888);
  text-transform: uppercase;
  letter-spacing: 0.4px;
}
.tf-required { color: #ef4444; }
.tf-hint {
  font-size: 11px;
  color: var(--fg-muted, #aaa);
  font-weight: 400;
  text-transform: none;
  letter-spacing: normal;
}
.task-form input[type="text"],
.task-form textarea,
.task-form select {
  width: 100%;
  padding: 9px 12px;
  font: inherit;
  font-size: var(--fs-14, 14px);
  color: var(--fg, #222);
  background: var(--bg, #fff);
  border: 1px solid var(--border, #ddd);
  border-radius: 9px;
  outline: none;
  transition: border-color 0.15s, box-shadow 0.15s;
}
.task-form input[type="text"]:focus,
.task-form textarea:focus,
.task-form select:focus {
  border-color: var(--fg, #333);
  box-shadow: 0 0 0 3px rgba(0,0,0,0.07);
}
.task-form textarea {
  resize: vertical;
  line-height: 1.6;
}
.tf-progress-row {
  display: flex;
  align-items: center;
  gap: 10px;
}
.tf-progress-row input[type="range"] {
  flex: 1;
}

/* ── 任务详情弹窗 ────────────────────────────────── */
.task-detail-modal {
  max-width: 700px;
  height: min(800px, 90vh);
}
.td-section {
  margin-bottom: 20px;
}
.td-section-title {
  font-size: var(--fs-11, 11px);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--fg-dim, #888);
  margin-bottom: 8px;
  padding-bottom: 6px;
  border-bottom: 1px solid var(--border, #eee);
}
.td-desc {
  font-size: var(--fs-14, 14px);
  color: var(--fg, #333);
  line-height: 1.7;
  white-space: pre-wrap;
  word-break: break-word;
}
.td-meta-row {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
  margin-bottom: 8px;
}
.td-meta-item {
  display: flex;
  flex-direction: column;
  gap: 3px;
}
.td-meta-label {
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.4px;
  color: var(--fg-muted, #aaa);
}
.td-meta-value {
  font-size: var(--fs-13, 13px);
  color: var(--fg, #333);
}
.td-tags {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
  margin-top: 6px;
}
.td-history-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
  max-height: 300px;
  overflow-y: auto;
}
.td-history-item {
  display: flex;
  gap: 10px;
  font-size: var(--fs-12, 12px);
  line-height: 1.5;
  align-items: flex-start;
}
.td-history-time {
  flex-shrink: 0;
  font-size: 10px;
  color: var(--fg-muted, #bbb);
  padding-top: 2px;
  min-width: 120px;
}
.td-history-by {
  flex-shrink: 0;
  font-weight: 600;
  min-width: 44px;
}
.td-history-by.user { color: #3b82f6; }
.td-history-by.ai { color: #10b981; }
.td-history-detail {
  color: var(--fg, #444);
  flex: 1;
  word-break: break-word;
}
.td-history-action {
  font-size: 10px;
  font-weight: 600;
  padding: 1px 6px;
  border-radius: 4px;
  background: var(--bg-soft, #f0f0f0);
  color: var(--fg-dim, #888);
  text-transform: uppercase;
  letter-spacing: 0.3px;
  margin-right: 4px;
}

/* ── 里程碑 ─────────────────────────────────────── */
.ms-add-row {
  display: flex;
  gap: 8px;
  margin-bottom: 14px;
}
.ms-add-row input[type="text"] {
  flex: 1;
  padding: 8px 12px;
  font: inherit;
  font-size: var(--fs-14, 14px);
  color: var(--fg, #222);
  background: var(--bg, #fff);
  border: 1px solid var(--border, #ddd);
  border-radius: 9px;
  outline: none;
}
.ms-add-row input[type="text"]:focus {
  border-color: var(--fg, #555);
}
.ms-list {
  display: flex;
  flex-direction: column;
  gap: 6px;
  max-height: 360px;
  overflow-y: auto;
}
.ms-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 12px;
  border: 1px solid var(--border, #ddd);
  border-radius: 9px;
  background: var(--bg, #fff);
  transition: background 0.15s;
}
.ms-item.done {
  background: rgba(16,185,129,0.05);
  border-color: rgba(16,185,129,0.25);
}
.ms-item input[type="checkbox"] {
  width: 16px;
  height: 16px;
  cursor: pointer;
  accent-color: #10b981;
  flex-shrink: 0;
}
.ms-item-title {
  flex: 1;
  font-size: var(--fs-14, 14px);
  color: var(--fg, #222);
  word-break: break-word;
}
.ms-item.done .ms-item-title {
  color: var(--fg-dim, #888);
  text-decoration: line-through;
}
.ms-item-time {
  font-size: 10px;
  color: var(--fg-muted, #bbb);
  white-space: nowrap;
}
.ms-item-del {
  background: none;
  border: none;
  color: var(--fg-muted, #ccc);
  cursor: pointer;
  font-size: 16px;
  line-height: 1;
  padding: 2px 4px;
  border-radius: 4px;
  flex-shrink: 0;
}
.ms-item-del:hover { color: #ef4444; background: rgba(239,68,68,0.08); }
.ms-empty {
  text-align: center;
  padding: 20px;
  font-size: var(--fs-13, 13px);
  color: var(--fg-muted, #bbb);
}

/* ── 备注 ─────────────────────────────────────── */
.td-notes-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.td-note-item {
  position: relative;
  padding: 10px 14px;
  border: 1px solid var(--border, #ddd);
  border-radius: 9px;
  background: var(--bg, #fff);
  transition: border-color 0.15s;
}
.td-note-item:hover {
  border-color: var(--border-strong, #bbb);
}
.td-note-meta {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 6px;
}
.td-note-time {
  font-size: 10px;
  color: var(--fg-muted, #bbb);
  flex: 1;
}
.td-note-actions {
  display: flex;
  gap: 4px;
  opacity: 0;
  transition: opacity 0.15s;
}
.td-note-item:hover .td-note-actions {
  opacity: 1;
}
.td-note-btn {
  background: none;
  border: none;
  cursor: pointer;
  font-size: 12px;
  color: var(--fg-dim, #888);
  padding: 2px 5px;
  border-radius: 4px;
}
.td-note-btn:hover { color: var(--fg, #333); background: var(--bg-soft, #f0f0f0); }
.td-note-btn.delete:hover { color: #ef4444; background: rgba(239,68,68,0.08); }
.td-note-content {
  font-size: var(--fs-13, 13px);
  color: var(--fg, #333);
  line-height: 1.6;
  white-space: pre-wrap;
  word-break: break-word;
}
.td-note-empty {
  text-align: center;
  padding: 16px;
  font-size: var(--fs-13, 13px);
  color: var(--fg-muted, #bbb);
}
.td-add-note-btn {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  margin-top: 8px;
  padding: 5px 12px;
  font-size: 12px;
  color: var(--fg-dim, #888);
  background: none;
  border: 1px dashed var(--border, #ddd);
  border-radius: 7px;
  cursor: pointer;
  transition: border-color 0.15s, color 0.15s;
}
.td-add-note-btn:hover { border-color: var(--fg, #555); color: var(--fg, #333); }

@media (max-width: 1100px) {
  .tb-list { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 800px) {
  .tb-list { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 500px) {
  .tb-list { grid-template-columns: 1fr; }
}
@media (max-width: 640px) {
  .task-modal, .task-detail-modal { height: calc(100vh - 30px); }
  .tb-filters { gap: 10px; }
  .tb-card-top { flex-wrap: wrap; }
  .td-meta-row { gap: 12px; }
}