/* 可复用组件：按钮、面板、卡片、表格、徽章、标签、工具栏、分页、空状态。 */

/* === Button === */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--sp-2);
  padding: 6px 14px;
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  font-size: var(--fs-md);
  font-weight: var(--fw-medium);
  line-height: 1.4;
  cursor: pointer;
  transition: background var(--trans-fast), border-color var(--trans-fast), color var(--trans-fast), box-shadow var(--trans-fast);
  white-space: nowrap;
  user-select: none;
}

.btn:focus-visible {
  box-shadow: 0 0 0 3px var(--color-primary-soft);
  outline: none;
}

.btn.small {
  padding: 4px 10px;
  font-size: var(--fs-sm);
}

.btn.large {
  padding: 10px 20px;
  font-size: var(--fs-md);
}

.btn.block {
  width: 100%;
}

.btn.primary {
  background: var(--color-primary);
  color: #fff;
  border-color: var(--color-primary);
}
.btn.primary:hover:not(:disabled) {
  background: var(--color-primary-hover);
  border-color: var(--color-primary-hover);
}
.btn.primary:active:not(:disabled) {
  background: var(--color-primary-active);
  border-color: var(--color-primary-active);
}

.btn.secondary {
  background: var(--color-surface-raised);
  color: var(--color-text);
  border-color: var(--color-border-strong);
}
.btn.secondary:hover:not(:disabled) {
  background: var(--color-surface-hover);
  border-color: var(--color-text-muted);
}

.btn.ghost {
  background: transparent;
  color: var(--color-text-soft);
  border-color: transparent;
}
.btn.ghost:hover:not(:disabled) {
  background: var(--color-surface-hover);
  color: var(--color-text);
}

.btn.danger {
  background: var(--color-danger);
  color: #fff;
  border-color: var(--color-danger);
}
.btn.danger:hover:not(:disabled) {
  background: var(--color-danger-hover);
  border-color: var(--color-danger-hover);
}

.btn.danger-ghost {
  background: transparent;
  color: var(--color-danger);
  border-color: var(--color-danger-soft);
}
.btn.danger-ghost:hover:not(:disabled) {
  background: var(--color-danger-soft);
}

.btn[aria-busy="true"]::before {
  content: "";
  width: 12px;
  height: 12px;
  border: 2px solid currentColor;
  border-right-color: transparent;
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}

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

/* === Panel (section card) === */
.panel {
  display: flex;
  flex-direction: column;
  gap: var(--sp-3);
  padding: var(--sp-5);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
}

.panel-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--sp-3);
}

.panel-title {
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 0;
}

.panel-title h3 {
  font-size: var(--fs-md);
  font-weight: var(--fw-semibold);
}

.panel-title .meta {
  font-size: var(--fs-sm);
  color: var(--color-text-muted);
}

.panel-actions {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
  flex-shrink: 0;
}

.panel-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(420px, 1fr));
  gap: var(--sp-4);
}

.panel-grid.col-2 {
  grid-template-columns: repeat(auto-fit, minmax(360px, 1fr));
}

/* === Metric cards (dashboard) === */
.metrics {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--sp-3);
}

.metric {
  display: flex;
  flex-direction: column;
  gap: var(--sp-1);
  padding: var(--sp-4);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
}

.metric-label {
  font-size: var(--fs-xs);
  font-weight: var(--fw-semibold);
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.metric-value {
  font-size: var(--fs-2xl);
  font-weight: var(--fw-semibold);
  color: var(--color-text);
  font-variant-numeric: tabular-nums;
}

.metric-sub {
  font-size: var(--fs-sm);
  color: var(--color-text-soft);
}

.summary-strip {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: var(--sp-3);
}

.summary-card {
  --summary-accent: var(--color-primary-hover);
  display: flex;
  flex-direction: column;
  gap: var(--sp-1);
  min-height: 102px;
  padding: var(--sp-4);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  background: linear-gradient(180deg, rgba(59, 130, 246, 0.06), transparent 52%), var(--color-surface);
  box-shadow: var(--shadow-sm);
  position: relative;
  overflow: hidden;
  min-width: 0;
}

.summary-card::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  right: 0;
  height: 3px;
  background: var(--summary-accent);
  opacity: 0.85;
}

.summary-card.tone-neutral {
  --summary-accent: #64748b;
  background: linear-gradient(180deg, rgba(148, 163, 184, 0.08), transparent 52%), var(--color-surface);
  border-color: rgba(148, 163, 184, 0.18);
}

.summary-card.tone-primary {
  --summary-accent: var(--color-primary-hover);
  background: linear-gradient(180deg, rgba(59, 130, 246, 0.10), transparent 52%), var(--color-surface);
  border-color: rgba(59, 130, 246, 0.16);
}

.summary-card.tone-success {
  --summary-accent: var(--color-success);
  background: linear-gradient(180deg, rgba(22, 163, 74, 0.10), transparent 52%), var(--color-surface);
  border-color: rgba(22, 163, 74, 0.16);
}

.summary-card.tone-warning {
  --summary-accent: var(--color-warning);
  background: linear-gradient(180deg, rgba(217, 119, 6, 0.10), transparent 52%), var(--color-surface);
  border-color: rgba(217, 119, 6, 0.16);
}

.summary-card.tone-danger {
  --summary-accent: var(--color-danger);
  background: linear-gradient(180deg, rgba(220, 38, 38, 0.10), transparent 52%), var(--color-surface);
  border-color: rgba(220, 38, 38, 0.16);
}

.summary-kicker {
  font-size: var(--fs-xs);
  font-weight: var(--fw-semibold);
  color: var(--summary-accent);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  overflow-wrap: anywhere;
  word-break: break-word;
}

.summary-value {
  font-size: 22px;
  font-weight: var(--fw-semibold);
  line-height: 1.2;
  color: var(--color-text);
  font-variant-numeric: tabular-nums;
}

.summary-meta {
  font-size: var(--fs-sm);
  line-height: 1.55;
  color: var(--color-text-soft);
  overflow-wrap: anywhere;
  word-break: break-word;
}

.summary-footer {
  margin-top: auto;
  padding-top: var(--sp-2);
  border-top: 1px dashed var(--color-border);
  font-size: var(--fs-xs);
  color: var(--color-text-muted);
  overflow-wrap: anywhere;
  word-break: break-word;
}

.mono {
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  overflow-wrap: anywhere;
  word-break: break-word;
}

.inline-badges {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 6px;
}

.quick-filter-bar {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--sp-2);
  padding: var(--sp-3);
  margin-bottom: var(--sp-3);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: var(--color-surface-raised);
}

.quick-filter-label {
  font-size: var(--fs-xs);
  font-weight: var(--fw-semibold);
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-right: var(--sp-1);
}

.quick-filter-btn {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 4px 10px;
  border-radius: var(--radius-pill);
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  color: var(--color-text-soft);
  font-size: var(--fs-sm);
  cursor: pointer;
  transition: background var(--trans-fast), border-color var(--trans-fast), color var(--trans-fast), box-shadow var(--trans-fast);
}

.quick-filter-btn:hover {
  color: var(--color-text);
  border-color: var(--color-border-strong);
  background: var(--color-surface-hover);
}

.quick-filter-btn.active {
  color: var(--color-primary-hover);
  background: var(--color-primary-soft);
  border-color: rgba(59, 130, 246, 0.18);
  font-weight: var(--fw-semibold);
}

.search-highlight {
  display: inline;
  padding: 0 2px;
  border-radius: 4px;
  background: rgba(245, 158, 11, 0.18);
  color: var(--color-text);
  box-shadow: inset 0 0 0 1px rgba(245, 158, 11, 0.18);
}

.bulk-action-bar {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--sp-2);
  padding: var(--sp-3);
  margin-bottom: var(--sp-3);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: linear-gradient(180deg, rgba(59, 130, 246, 0.06), transparent 70%), var(--color-surface);
}

.bulk-action-meta {
  color: var(--color-text-soft);
  font-size: var(--fs-sm);
  margin-right: auto;
}

.bulk-action-meta strong {
  color: var(--color-primary-hover);
  font-weight: var(--fw-semibold);
}

.bulk-check {
  width: 16px;
  height: 16px;
  padding: 0;
}

/* === Table === */
.table-wrap {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--color-surface);
}

.table-scroll {
  overflow-x: auto;
}

table.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: var(--fs-sm);
}

table.data-table thead th {
  padding: var(--sp-2) var(--sp-3);
  text-align: left;
  font-weight: var(--fw-semibold);
  color: var(--color-text-muted);
  font-size: var(--fs-xs);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  background: var(--color-surface-sunken);
  border-bottom: 1px solid var(--color-border);
  white-space: nowrap;
  position: sticky;
  top: 0;
}

table.data-table tbody td {
  padding: var(--sp-3);
  border-bottom: 1px solid var(--color-border);
  color: var(--color-text-soft);
  vertical-align: top;
  overflow-wrap: anywhere;
  word-break: break-word;
}

table.data-table tbody tr:last-child td {
  border-bottom: none;
}

table.data-table tbody tr:hover td {
  background: var(--color-surface-raised);
}

table.data-table tbody tr.row-selectable {
  cursor: pointer;
}

table.data-table tbody tr.row-selected td {
  background: var(--color-primary-soft);
  color: var(--color-text);
}

table.data-table tbody tr.row-attention td {
  background: rgba(217, 119, 6, 0.045);
}

table.data-table tbody tr.row-danger td {
  background: rgba(220, 38, 38, 0.045);
}

table.data-table tbody tr.row-success td {
  background: rgba(22, 163, 74, 0.04);
}

table.data-table tbody tr.row-attention:hover td {
  background: rgba(217, 119, 6, 0.075);
}

table.data-table tbody tr.row-danger:hover td {
  background: rgba(220, 38, 38, 0.075);
}

table.data-table tbody tr.row-success:hover td {
  background: rgba(22, 163, 74, 0.07);
}

table.data-table .col-num {
  font-variant-numeric: tabular-nums;
  text-align: right;
}

table.data-table .col-mono {
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  overflow-wrap: anywhere;
  word-break: break-word;
}

table.data-table .col-actions {
  text-align: right;
  white-space: nowrap;
}

/* 表头可排序 */
table.data-table th.sortable {
  cursor: pointer;
  user-select: none;
}

table.data-table th.sortable:hover {
  color: var(--color-text-soft);
}

table.data-table th.sortable .sort-indicator {
  display: inline-block;
  width: 0;
  height: 0;
  margin-left: var(--sp-1);
  border-left: 4px solid transparent;
  border-right: 4px solid transparent;
  opacity: 0.3;
}

table.data-table th.sortable.sort-asc .sort-indicator {
  border-bottom: 4px solid currentColor;
  opacity: 1;
}

table.data-table th.sortable.sort-desc .sort-indicator {
  border-top: 4px solid currentColor;
  opacity: 1;
}

/* === Badge / tag === */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 2px 8px;
  border-radius: var(--radius-pill);
  font-size: var(--fs-xs);
  font-weight: var(--fw-medium);
  line-height: 1.4;
  background: var(--color-surface-raised);
  color: var(--color-text-soft);
  border: 1px solid var(--color-border);
}

.badge.success {
  background: var(--color-success-soft);
  color: var(--color-success);
  border-color: transparent;
}

.badge.warning {
  background: var(--color-warning-soft);
  color: var(--color-warning);
  border-color: transparent;
}

.badge.danger {
  background: var(--color-danger-soft);
  color: var(--color-danger);
  border-color: transparent;
}

.badge.primary {
  background: var(--color-primary-soft);
  color: var(--color-primary-hover);
  border-color: transparent;
}

.badge.dot::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: currentColor;
}

/* === Toolbar === */
.toolbar {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--sp-2);
}

.toolbar-spacer {
  flex: 1;
}

.toolbar .input-inline {
  width: auto;
  min-width: 200px;
}

/* === Form grid === */
.form-grid {
  display: grid;
  gap: var(--sp-3);
}

.form-grid.col-2 {
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}

.form-grid.col-3 {
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
}

.field {
  display: flex;
  flex-direction: column;
}

.field .hint {
  margin-top: var(--sp-1);
  font-size: var(--fs-xs);
  color: var(--color-text-muted);
}

.field.error input,
.field.error select,
.field.error textarea {
  border-color: var(--color-danger);
}

.field.error .hint {
  color: var(--color-danger);
}

.field-inline {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
}

.field-inline label {
  margin-bottom: 0;
  flex-shrink: 0;
}

/* === Pagination === */
.pager {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
  padding: var(--sp-3);
  font-size: var(--fs-sm);
  color: var(--color-text-soft);
  border-top: 1px solid var(--color-border);
}

.pager-info {
  flex: 1;
  font-variant-numeric: tabular-nums;
}

.pager-btn {
  padding: 4px 10px;
  background: transparent;
  color: var(--color-text-soft);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-size: var(--fs-sm);
  cursor: pointer;
  transition: background var(--trans-fast);
}

.pager-btn:hover:not(:disabled) {
  background: var(--color-surface-hover);
  color: var(--color-text);
}

.pager-btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

/* === Empty / loading === */
.empty-state {
  padding: var(--sp-7) var(--sp-5);
  text-align: center;
  color: var(--color-text-muted);
  font-size: var(--fs-sm);
}

.loading-inline {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-2);
  color: var(--color-text-muted);
  font-size: var(--fs-sm);
}

.loading-inline::before {
  content: "";
  width: 12px;
  height: 12px;
  border: 2px solid currentColor;
  border-right-color: transparent;
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}

/* === Status banner === */
.status-banner {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-2);
  padding: 4px 10px;
  border-radius: var(--radius-md);
  font-size: var(--fs-sm);
  color: var(--color-text-soft);
  background: var(--color-surface-raised);
  border: 1px solid var(--color-border);
  overflow-wrap: anywhere;
  word-break: break-word;
}

.status-banner.success { color: var(--color-success); border-color: var(--color-success-soft); }
.status-banner.warning { color: var(--color-warning); border-color: var(--color-warning-soft); }
.status-banner.danger { color: var(--color-danger); border-color: var(--color-danger-soft); }

/* === Action chips (copy btn, small inline action) === */
.chip-btn {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 2px 8px;
  border-radius: var(--radius-sm);
  font-size: var(--fs-xs);
  color: var(--color-text-muted);
  background: transparent;
  border: 1px solid var(--color-border);
  cursor: pointer;
  transition: all var(--trans-fast);
}

.chip-btn:hover {
  color: var(--color-text);
  background: var(--color-surface-hover);
  border-color: var(--color-border-strong);
}

/* === Divider === */
.divider {
  height: 1px;
  background: var(--color-border);
  margin: var(--sp-3) 0;
}

/* === Mono block / JSON viewer === */
.json-block {
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  line-height: var(--lh-normal);
  max-height: 420px;
  overflow: auto;
}

/* === Structured result card === */
.result-card {
  padding: var(--sp-4);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  background: var(--color-surface-raised);
  color: var(--color-text-soft);
  overflow-wrap: anywhere;
  word-break: break-word;
}

.result-card.success {
  border-color: var(--color-success-soft);
  background: linear-gradient(180deg, rgba(22, 163, 74, 0.08), transparent 70%), var(--color-surface);
}

.result-card.danger {
  border-color: var(--color-danger-soft);
  background: linear-gradient(180deg, rgba(220, 38, 38, 0.08), transparent 70%), var(--color-surface);
}

.result-card.neutral {
  border-color: var(--color-border);
}

.result-card-head {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--sp-2);
  color: var(--color-text);
}

.result-card-message {
  margin-top: var(--sp-2);
  font-size: var(--fs-sm);
  line-height: var(--lh-loose);
}

.result-card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: var(--sp-2);
  margin-top: var(--sp-3);
}

.result-card-field {
  min-width: 0;
  padding: var(--sp-2);
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.72);
  border: 1px solid var(--color-border);
}

.result-card-field span {
  display: block;
  font-size: var(--fs-xs);
  color: var(--color-text-muted);
}

.result-card-field strong {
  display: block;
  margin-top: 2px;
  font-size: var(--fs-sm);
  font-weight: var(--fw-semibold);
  color: var(--color-text);
  font-family: var(--font-mono);
}

.result-card-details {
  margin-top: var(--sp-3);
  padding-top: var(--sp-3);
  border-top: 1px dashed var(--color-border);
  font-size: var(--fs-xs);
  color: var(--color-text-muted);
  line-height: var(--lh-loose);
}

/* === Inline help / note === */
.note {
  padding: var(--sp-3);
  background: var(--color-primary-soft);
  border-left: 3px solid var(--color-primary);
  border-radius: var(--radius-sm);
  font-size: var(--fs-sm);
  color: var(--color-text-soft);
}

.note.warning {
  background: var(--color-warning-soft);
  border-left-color: var(--color-warning);
}

.note.danger {
  background: var(--color-danger-soft);
  border-left-color: var(--color-danger);
}

@media (max-width: 768px) {
  .summary-strip {
    grid-template-columns: 1fr;
  }
}