/* 组件：卡片、表格、筛选、列表、弹窗、表单、分页 */

.page-card {
  padding: 20px 24px 24px;
  background: var(--color-bg-container);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.page > .page-card {
  min-height: calc(100vh - var(--header-height) - 72px);
}

.page[hidden] {
  display: none;
}

.page:has(.js-usage-page):not([hidden]) {
  height: 100%;
  display: flex;
  flex-direction: column;
}

.page:has(.js-usage-page) > .page-card {
  flex: 1;
  min-height: 0;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

/* 工作台 */

.workbench {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.stat-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.stat-card {
  padding: 20px 24px 24px;
  background: var(--color-bg-container);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.stat-card h2 {
  font-size: 14px;
  font-weight: 400;
  color: var(--color-text-secondary);
}

.stat-value {
  margin-top: 12px;
  font-size: 32px;
  font-weight: 600;
  line-height: 1.2;
  color: var(--color-text);
}

.kpi-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin: 8px 0 28px;
}

.kpi-row dt {
  font-size: 14px;
  color: var(--color-text-secondary);
}

.kpi-row dd {
  margin: 8px 0 0;
  font-size: 28px;
  font-weight: 600;
}

.chart-title {
  margin-bottom: 8px;
  font-size: 16px;
  font-weight: 600;
}

.heatmap-wrap {
  width: 100%;
  height: 460px;
}

@media (max-width: 960px) {
  .stat-row,
  .kpi-row {
    grid-template-columns: 1fr 1fr;
  }
}

/* 筛选条 */

.filter-bar {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 20px;
}

.js-usage-page .filter-bar {
  flex-shrink: 0;
  margin-bottom: 0;
  padding-bottom: 16px;
  background: var(--color-bg-container);
  z-index: 1;
}

.filter-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
}

.filter-btn {
  height: 32px;
  padding: 0 15px;
  border: 1px solid var(--color-border-strong);
  border-radius: 6px;
  background: var(--color-bg-container);
  color: var(--color-text);
  cursor: pointer;
}

.filter-btn:hover {
  color: var(--color-primary);
  border-color: var(--color-primary);
}

.filter-btn.is-active {
  color: #fff;
  background: var(--color-primary);
  border-color: var(--color-primary);
}

.filter-row.is-device .filter-btn.is-active {
  color: var(--color-primary);
  background: var(--color-primary-bg);
  border-color: var(--color-primary-bg);
}

.date-range {
  display: flex;
  align-items: center;
  gap: 8px;
}

.date-range[hidden] {
  display: none;
}

.date-range input {
  height: 32px;
  padding: 0 8px;
  border: 1px solid var(--color-border-strong);
  border-radius: 6px;
}

/* 使用记录列表 */

.js-usage-page .record-list {
  flex: 1;
  min-height: 0;
  overflow: auto;
  padding-top: 4px;
  overscroll-behavior: contain;
}

.record-group {
  margin-bottom: 20px;
}

.record-group h2 {
  margin-bottom: 12px;
  font-size: 15px;
  font-weight: 600;
}

.record-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 12px;
  padding: 16px 20px;
  border: 1px solid var(--color-border);
  border-radius: 8px;
  background: var(--color-bg-container);
}

.record-card h3 {
  font-size: 14px;
  font-weight: 500;
}

.record-card time {
  display: block;
  margin-top: 6px;
  font-size: 13px;
  color: var(--color-text-secondary);
}

.record-card .link-btn {
  flex-shrink: 0;
}

.record-empty {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
  min-height: 320px;
  margin: 0;
  padding: 48px 0;
  text-align: center;
  color: var(--color-text-secondary);
}

.js-usage-page .record-empty {
  min-height: 100%;
}

.record-empty-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 72px;
  height: 72px;
  border-radius: 50%;
  background: var(--color-bg-spotlight);
  color: var(--color-text-tertiary);
}

/* 表格 */

.data-table {
  width: 100%;
  border-collapse: collapse;
}

.data-table th,
.data-table td {
  padding: 12px 16px;
  text-align: left;
  border-bottom: 1px solid var(--color-border);
}

.data-table th {
  background: var(--color-bg-spotlight);
  font-weight: 500;
  color: var(--color-text);
}

.data-table tbody tr:hover {
  background: #fafafa;
}

.link-btn {
  padding: 0;
  border: 0;
  background: none;
  color: var(--color-primary);
  cursor: pointer;
}

.link-btn:hover {
  color: var(--color-primary-hover);
}

/* 分页 */

.pagination {
  display: flex;
  justify-content: flex-end;
  gap: 8px;
  margin-top: 16px;
}

.pagination button {
  min-width: 32px;
  height: 32px;
  padding: 0 8px;
  border: 1px solid var(--color-border-strong);
  border-radius: 6px;
  background: var(--color-bg-container);
  color: var(--color-text);
  cursor: pointer;
}

.pagination button:hover:not(:disabled) {
  color: var(--color-primary);
  border-color: var(--color-primary);
}

.pagination button.is-active {
  color: var(--color-primary);
  border-color: var(--color-primary);
}

.pagination button:disabled {
  color: var(--color-text-tertiary);
  cursor: not-allowed;
}

/* 弹窗 */

.dialog-backdrop::backdrop {
  background: rgba(0, 0, 0, 0.45);
}

.dialog-backdrop {
  width: min(520px, calc(100vw - 32px));
  margin: auto;
  padding: 0;
  border: 0;
  border-radius: 8px;
  box-shadow: 0 6px 16px 0 rgba(0, 0, 0, 0.08),
    0 3px 6px -4px rgba(0, 0, 0, 0.12), 0 9px 28px 8px rgba(0, 0, 0, 0.05);
}

.dialog-backdrop.dialog-wide {
  width: min(640px, calc(100vw - 32px));
}

.dialog-backdrop.dialog-usage-detail {
  width: min(960px, calc(100vw - 48px));
  height: min(780px, calc(100vh - 48px));
  max-height: calc(100vh - 48px);
}

.dialog-backdrop.dialog-usage-detail .dialog-body {
  height: calc(100% - 128px);
  max-height: none;
  overflow-y: auto;
}

.dialog-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 24px;
  border-bottom: 1px solid var(--color-border);
}

.dialog-header h2 {
  font-size: 16px;
  font-weight: 600;
}

.dialog-close {
  display: inline-flex;
  width: 22px;
  height: 22px;
  padding: 0;
  border: 0;
  background: transparent;
  color: var(--color-text-secondary);
  font-size: 16px;
  line-height: 1;
  cursor: pointer;
}

.dialog-body {
  padding: 20px 24px;
  max-height: min(70vh, 560px);
  overflow: auto;
  overscroll-behavior: contain;
}

.dialog-foot {
  display: flex;
  justify-content: flex-end;
  gap: 8px;
  padding: 12px 24px 16px;
}

.btn {
  height: 32px;
  padding: 0 16px;
  border: 1px solid var(--color-border-strong);
  border-radius: 6px;
  background: var(--color-bg-container);
  color: var(--color-text);
  cursor: pointer;
}

.btn:hover {
  color: var(--color-primary);
  border-color: var(--color-primary);
}

.btn-primary {
  color: #fff;
  background: var(--color-primary);
  border-color: var(--color-primary);
}

.btn-primary:hover {
  color: #fff;
  background: var(--color-primary-hover);
  border-color: var(--color-primary-hover);
}

.btn:disabled,
.btn-primary:disabled {
  color: var(--color-text-tertiary);
  background: var(--color-disabled-bg);
  border-color: var(--color-border-strong);
  cursor: not-allowed;
}

/* 表单 */

.form-item {
  margin-bottom: 16px;
}

.form-item:last-child {
  margin-bottom: 0;
}

.form-item label {
  display: block;
  margin-bottom: 8px;
  color: var(--color-text);
}

.field-wrap {
  position: relative;
}

.form-item input,
.form-item textarea {
  width: 100%;
  padding: 4px 11px;
  border: 1px solid var(--color-border-strong);
  border-radius: 6px;
  background: var(--color-bg-container);
  color: var(--color-text);
}

.form-item input {
  height: 32px;
}

.form-item textarea {
  min-height: 96px;
  padding: 8px 11px 24px;
  resize: vertical;
}

.form-item input:focus,
.form-item textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 2px rgba(5, 145, 255, 0.1);
}

.form-item input:disabled {
  color: var(--color-text-secondary);
  background: var(--color-disabled-bg);
  cursor: not-allowed;
}

.form-item input.has-count {
  padding-right: 56px;
}

.char-count {
  position: absolute;
  right: 12px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 12px;
  color: var(--color-text-tertiary);
  pointer-events: none;
}

.field-wrap.is-textarea .char-count {
  top: auto;
  bottom: 8px;
  transform: none;
}

.form-error {
  min-height: 20px;
  margin-top: 8px;
  color: #ff4d4f;
}

.form-hint {
  margin: 8px 0 0;
  padding-left: 12px;
  font-size: 12px;
  line-height: 1.6;
  color: var(--color-text-secondary);
  position: relative;
}

.form-hint::before {
  content: "●";
  position: absolute;
  left: 0;
  top: 0.15em;
  font-size: 8px;
  color: var(--color-text-tertiary);
}

.detail-meta {
  margin-bottom: 12px;
  color: var(--color-text-secondary);
}

.detail-body {
  line-height: 1.7;
}

.detail-turn + .detail-turn {
  margin-top: 16px;
}

.detail-role {
  margin-bottom: 8px;
  font-weight: 600;
}

.detail-text {
  line-height: 1.7;
}

.markdown-body > *:first-child {
  margin-top: 0;
}

.markdown-body > *:last-child {
  margin-bottom: 0;
}

.markdown-body p,
.markdown-body ul,
.markdown-body ol,
.markdown-body pre,
.markdown-body blockquote,
.markdown-body table {
  margin: 0 0 8px;
}

.markdown-body h1,
.markdown-body h2,
.markdown-body h3,
.markdown-body h4 {
  margin: 12px 0 8px;
  font-weight: 600;
  line-height: 1.4;
}

.markdown-body h1 { font-size: 18px; }
.markdown-body h2 { font-size: 16px; }
.markdown-body h3,
.markdown-body h4 { font-size: 14px; }

.markdown-body ul,
.markdown-body ol {
  padding-left: 1.4em;
}

.markdown-body li + li {
  margin-top: 4px;
}

.markdown-body code {
  padding: 1px 4px;
  border-radius: 4px;
  background: var(--color-bg-spotlight);
  font-size: 13px;
}

.markdown-body pre {
  padding: 8px 12px;
  overflow: auto;
  border-radius: 6px;
  background: var(--color-bg-spotlight);
}

.markdown-body pre code {
  padding: 0;
  background: transparent;
}

.markdown-body blockquote {
  padding: 0 12px;
  color: var(--color-text-secondary);
  border-left: 3px solid var(--color-border-strong);
}

.markdown-body table {
  width: 100%;
  border-collapse: collapse;
}

.markdown-body th,
.markdown-body td {
  padding: 6px 8px;
  border: 1px solid var(--color-border);
  text-align: left;
}

.markdown-body a {
  color: var(--color-primary);
}

/* 顶部居中单例提示 */
.pad-toast {
  position: fixed;
  top: 24px;
  left: 50%;
  z-index: 1100;
  padding: 8px 16px;
  color: #fff;
  background: rgba(0, 0, 0, 0.75);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  transform: translate(-50%, -8px);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s ease, transform 0.2s ease;
}

.pad-toast.is-visible {
  opacity: 1;
  transform: translate(-50%, 0);
}