:root {
  --gray-900: #1a1a1a;
  --gray-700: #3f3f46;
  --gray-500: #71717a;
  --gray-400: #a1a1aa;
  --gray-300: #d4d4d8;
  --gray-200: #e4e4e7;
  --gray-100: #f4f4f5;
  --gray-50: #fafafa;
  --white: #ffffff;
  --accent: #2563eb;
  --accent-light: #3b82f6;
  --success: #10b981;
  --warning: #f59e0b;
  --danger: #ef4444;
  --info: #0ea5e9;
}

body {
  font-family: 'DM Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: var(--gray-50);
  color: var(--gray-900);
  -webkit-font-smoothing: antialiased;
  font-size: 14px;
}

/* Page Header */
.page-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.5rem;
}

.page-title {
  font-size: 1.5rem;
  font-weight: 600;
}

.btn-primary {
  padding: 0.5rem 1rem;
  background: var(--gray-900);
  border: none;
  border-radius: 8px;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--white);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  transition: all 0.15s ease;
}

.btn-primary:hover {
  background: var(--gray-700);
  color: var(--white);
}

/* Tabs */
.tabs {
  display: flex;
  gap: 0.25rem;
  margin-bottom: 1.25rem;
  border-bottom: 1px solid var(--gray-200);
  padding-bottom: 0;
}

.tab {
  padding: 0.75rem 1.25rem;
  color: var(--gray-500);
  font-size: 0.875rem;
  font-weight: 500;
  cursor: pointer;
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
  transition: all 0.15s ease;
  background: none;
  border-top: none;
  border-left: none;
  border-right: none;
}

.tab:hover {
  color: var(--gray-700);
}

.tab.active {
  color: var(--accent);
  border-bottom-color: var(--accent);
}

.tab .badge {
  margin-left: 0.375rem;
}

/* Filters */
.filters {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1rem;
  flex-wrap: wrap;
}

.filter-select {
  padding: 0.5rem 0.75rem;
  border: 1px solid var(--gray-200);
  border-radius: 8px;
  font-size: 0.8125rem;
  background: var(--white);
  color: var(--gray-700);
  min-width: 140px;
}

.filter-select:focus {
  outline: none;
  border-color: var(--accent);
}

.search-input {
  padding: 0.5rem 0.75rem;
  border: 1px solid var(--gray-200);
  border-radius: 8px;
  font-size: 0.8125rem;
  width: 200px;
  background: var(--white);
}

.search-input:focus {
  outline: none;
  border-color: var(--accent);
}

/* Table Card */
.table-card {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: 8px;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
}

.table-card-header {
  padding: 0.75rem 1rem;
  border-bottom: 1px solid var(--gray-200);
  background: var(--gray-50);
}

.table-card-title {
  margin: 0;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--gray-700);
}

.table-card-body {
  padding: 1rem;
}

.table {
  margin-bottom: 0;
  font-size: 0.875rem;
}

.table thead th {
  background: var(--gray-50);
  border-bottom: 1px solid var(--gray-200);
  padding: 0.75rem 1rem;
  font-weight: 600;
  color: var(--gray-700);
  font-size: 0.8125rem;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.table tbody td {
  padding: 0.625rem 0.75rem;
  vertical-align: middle;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 200px;
}

.table tbody tr {
  transition: background 0.15s ease;
}

.table tbody tr:hover {
  background: var(--gray-50);
}

/* 内容列可以换行显示 */
.table tbody td.editable-cell {
  white-space: normal;
  overflow: visible;
  text-overflow: clip;
  max-width: 180px;
}

/* 表格单元格文字不截断，保持一行显示 */
.table tbody td.text-nowrap {
  white-space: nowrap;
}

/* 冻结表头 */
.table thead th {
  position: sticky;
  top: 0;
  z-index: 10;
  background: var(--gray-50);
}

/* Status Badge */
.status-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  padding: 0.25rem 0.625rem;
  border-radius: 20px;
  font-size: 0.75rem;
  font-weight: 500;
}

.status-badge.pending {
  background: #fffbeb;
  color: var(--warning);
}

.status-badge.processing {
  background: #f0f9ff;
  color: var(--info);
}

.status-badge.tracking {
  background: #ecfdf5;
  color: var(--success);
}

.status-badge.closed {
  background: var(--gray-100);
  color: var(--gray-500);
}

.status-badge.new {
  background: #e0e7ff;
  color: #4f46e5;
}

/* Priority Badge */
.priority-badge {
  padding: 0.125rem 0.5rem;
  border-radius: 4px;
  font-size: 0.6875rem;
  font-weight: 600;
  text-transform: uppercase;
}

.priority-badge.high {
  background: #fef2f2;
  color: var(--danger);
}

.priority-badge.medium {
  background: #fff7ed;
  color: #ea580c;
}

.priority-badge.low {
  background: var(--gray-100);
  color: var(--gray-500);
}

/* Ticket ID */
.ticket-id {
  font-family: monospace;
  font-weight: 600;
  color: var(--gray-700);
}

/* Department Badge */
.dept-badge {
  display: inline-flex;
  align-items: center;
  padding: 0.125rem 0.4rem;
  border-radius: 4px;
  font-size: 0.8125rem;
  font-weight: 500;
  background: var(--gray-100);
  color: var(--gray-700);
  margin-right: 0.25rem;
}

/* Action Buttons */
.btn-action {
  padding: 0.25rem 0.5rem;
  border: 1px solid var(--gray-200);
  background: var(--white);
  border-radius: 6px;
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--gray-700);
  text-decoration: none;
  cursor: pointer;
  transition: all 0.15s ease;
}

.btn-action:hover {
  border-color: var(--gray-300);
  background: var(--gray-50);
  color: var(--gray-900);
}

.btn-action.primary {
  background: #93c5fd;
  border-color: #93c5fd;
  color: #1e3a8a;
}

.btn-action.primary:hover {
  background: #bfdbfe;
  border-color: #bfdbfe;
  color: #1e3a8a;
}

.btn-action.success {
  background: var(--success);
  border-color: var(--success);
  color: var(--white);
}

.btn-action.success:hover {
  background: #059669;
  border-color: #059669;
  color: var(--white);
}

.btn-action.warning {
  background: var(--warning);
  border-color: var(--warning);
  color: var(--white);
}

.btn-action.warning:hover {
  background: #d97706;
  border-color: #d97706;
  color: var(--white);
}

/* 已有已派发技术服务确认单：派工按钮实心填充区分 */
.btn-action.issued {
  background: #0d9488;
  border-color: #0d9488;
  color: #fff;
}

.btn-action.issued:hover {
  background: #0f766e;
  border-color: #0f766e;
  color: #fff;
}

/* 草稿箱中已有未派发确认单 */
.btn-action.draft-wo {
  background: #f59e0b;
  border-color: #f59e0b;
  color: #fff;
}

.btn-action.draft-wo:hover {
  background: #d97706;
  border-color: #d97706;
  color: #fff;
}

.btn-action.danger {
  background: var(--danger);
  border-color: var(--danger);
  color: var(--white);
}

.btn-action.danger:hover {
  background: #dc2626;
  border-color: #dc2626;
  color: var(--white);
}

/* Dropdown Menu */
.dropdown-menu {
  border: 1px solid var(--gray-200);
  border-radius: 8px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
  padding: 0.5rem 0;
}

.dropdown-item {
  padding: 0.5rem 1rem;
  font-size: 0.875rem;
  color: var(--gray-700);
}

.dropdown-item:hover {
  background: var(--gray-50);
  color: var(--gray-900);
}

.dropdown-item i {
  width: 20px;
  text-align: center;
}

.dropdown-divider {
  margin: 0.5rem 0;
  border-color: var(--gray-200);
}

/* Empty State */
.empty-state {
  text-align: center;
  padding: 3rem 1rem;
  color: var(--gray-500);
}

.empty-state i {
  font-size: 2rem;
  margin-bottom: 0.5rem;
  opacity: 0.5;
}

/* Loading */
.loading {
  position: fixed;
  inset: 0;
  background: rgba(255, 255, 255, 0.9);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  opacity: 0;
  visibility: hidden;
  transition: all 0.2s ease;
}

.loading.active {
  opacity: 1;
  visibility: visible;
}

.spinner {
  width: 36px;
  height: 36px;
  border: 2px solid var(--gray-200);
  border-top-color: var(--gray-900);
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
}

/* Task Calendar Styles */
.taskboard-calendar-wrap {
  min-height: 0;
}
.taskboard-calendar-strip-wrap {
  overflow-x: auto;
  border: 1px solid #e3e6e8;
  border-radius: 8px;
  background: #fff;
  min-height: 0;
}
.taskboard-calendar {
  display: flex;
  flex-direction: column;
  border: none;
  background: #fff;
}
.taskboard-calendar-strip {
  display: grid;
  width: max-content;
  min-width: 100%;
}
.taskboard-calendar-row {
  display: contents;
}
.taskboard-calendar-head {
  border-bottom: 1px solid #e3e6e8;
}
.taskboard-calendar-label-cell {
  padding: 8px 10px;
  border-right: 1px solid #eee;
  border-bottom: 1px solid #eee;
  background: #fafafa;
  min-width: 220px;
  box-sizing: border-box;
}
.taskboard-calendar-cell {
  min-height: 2.5rem;
  border-right: 1px solid #eee;
  border-bottom: 1px solid #eee;
  padding: 6px 4px;
  min-width: 36px;
  box-sizing: border-box;
}
.taskboard-calendar-head .taskboard-calendar-cell:last-child,
.taskboard-calendar-days-row .taskboard-calendar-cell:last-child {
  border-right: none;
}
.taskboard-calendar-line-wrap {
  grid-column: 2 / -1;
  position: relative;
  min-height: 2.5rem;
  border-bottom: 1px solid #eee;
  border-right: none;
}
.taskboard-calendar-weekday {
  text-align: center;
  font-size: 0.75rem;
  font-weight: 600;
  color: #6b7280;
  background: #fafafa;
}
.taskboard-calendar-weekday-weekend {
  background: #f3f4ff;
  color: #4b5563;
}
.taskboard-calendar-day {
  background: #fff;
  text-align: center;
}
.taskboard-calendar-day-today {
  background: #e8f4fd;
}
.taskboard-calendar-day-num {
  font-size: 0.875rem;
  font-weight: 600;
  color: #37352f;
}
.taskboard-calendar-day-today .taskboard-calendar-day-num {
  color: #0d6efd;
}
.taskboard-calendar-day-next-month {
  background: #f8f9fa;
}
.taskboard-calendar-day-next-month .taskboard-calendar-day-num {
  color: #9ca3af;
}
.taskboard-calendar-day-month-hint {
  font-size: 0.65rem;
  color: #9ca3af;
  margin-left: 1px;
}
.taskboard-calendar-weekday.taskboard-calendar-next-month {
  color: #9ca3af;
}
.taskboard-calendar-task-row {
  text-decoration: none;
  color: inherit;
  transition: background 0.12s;
}
.taskboard-calendar-task-row:hover {
  outline: none;
}
.taskboard-calendar-task-row:hover .taskboard-calendar-task-info {
  background: #f0f4f8;
}
.taskboard-calendar-task-info {
  padding: 8px 10px;
  border-right: 1px solid #eee;
  border-bottom: 1px solid #eee;
  background: #fff;
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 0;
  min-height: 2.5rem;
  justify-content: center;
}
.taskboard-calendar-task-name {
  font-weight: 600;
  font-size: 0.8125rem;
  color: #37352f;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.taskboard-calendar-task-brief {
  font-size: 0.75rem;
  color: #6b7280;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.taskboard-calendar-line {
  position: absolute;
  top: 50%;
  margin-top: -2px;
  height: 4px;
  border-radius: 2px;
}

@media (max-width: 768px) {
  .taskboard-calendar-wrap {
    min-height: 300px;
  }
  .taskboard-calendar-strip-wrap {
    min-height: 260px;
  }
}
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* Section */
.section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1rem;
}

.section-title {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--gray-700);
}

/* Main Content Area */
.main-content {
  max-width: 1400px;
  margin: 0 auto;
  padding: 1.5rem;
}