/* ==========================================================================
   Vidu 实时流中转控制台 (/platform) — 克制、现代、高密度 SaaS 控制台样式
   ========================================================================== */

:root {
  --pf-bg: #f8fafc;
  --pf-surface: #ffffff;
  --pf-surface-subtle: #f1f5f9;
  --pf-surface-hover: #f8fafc;
  --pf-border: #e2e8f0;
  --pf-border-strong: #cbd5e1;

  --pf-text: #0f172a;
  --pf-text-secondary: #475569;
  --pf-text-muted: #64748b;
  --pf-text-faint: #94a3b8;

  --pf-accent: #0f172a;
  --pf-accent-hover: #1e293b;
  --pf-brand: #2563eb;
  --pf-brand-soft: #eff6ff;

  --pf-success: #10b981;
  --pf-success-text: #047857;
  --pf-success-bg: #ecfdf5;
  --pf-success-border: #a7f3d0;

  --pf-warning: #f59e0b;
  --pf-warning-text: #b45309;
  --pf-warning-bg: #fffbeb;
  --pf-warning-border: #fde68a;

  --pf-danger: #ef4444;
  --pf-danger-text: #b91c1c;
  --pf-danger-bg: #fef2f2;
  --pf-danger-border: #fecaca;

  --pf-radius-sm: 6px;
  --pf-radius: 8px;
  --pf-radius-lg: 10px;
  --pf-shadow-xs: 0 1px 2px rgba(15, 23, 42, 0.04);
  --pf-shadow-md: 0 12px 32px -4px rgba(15, 23, 42, 0.12), 0 4px 12px -2px rgba(15, 23, 42, 0.06);

  --pf-font-sans: -apple-system, BlinkMacSystemFont, "Inter", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  --pf-font-mono: "JetBrains Mono", "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
}

*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

[hidden] {
  display: none !important;
}

.pf-field-stack {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

body.pf-body {
  min-height: 100vh;
  background-color: var(--pf-bg);
  color: var(--pf-text);
  font-family: var(--pf-font-sans);
  font-size: 13.5px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

/* 整体双栏布局：左侧固定导航 + 右侧主视图 */
.pf-shell {
  display: flex;
  min-height: 100vh;
}

/* ==================== 左侧导航栏 ==================== */
.pf-sidebar {
  width: 224px;
  flex-shrink: 0;
  background: var(--pf-surface);
  border-right: 1px solid var(--pf-border);
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0;
  bottom: 0;
  left: 0;
  z-index: 30;
}

.pf-brand {
  height: 56px;
  padding: 0 18px;
  display: flex;
  align-items: center;
  gap: 10px;
  border-bottom: 1px solid var(--pf-border);
}

.pf-brand-logo {
  width: 26px;
  height: 26px;
  border-radius: 6px;
  background: var(--pf-text);
  color: #fff;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 13px;
  font-family: var(--pf-font-mono);
  letter-spacing: -0.5px;
  flex-shrink: 0;
}

.pf-brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
}

.pf-brand-title {
  font-size: 14px;
  font-weight: 600;
  color: var(--pf-text);
  letter-spacing: -0.2px;
}

.pf-brand-sub {
  font-size: 11px;
  color: var(--pf-text-muted);
}

.pf-nav {
  padding: 14px 10px;
  display: flex;
  flex-direction: column;
  gap: 3px;
  flex: 1;
}

.pf-nav-section-label {
  padding: 6px 10px 4px;
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--pf-text-faint);
}

.pf-nav-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: 8px 10px;
  border: none;
  border-radius: var(--pf-radius-sm);
  background: transparent;
  color: var(--pf-text-secondary);
  font-size: 13.5px;
  font-weight: 500;
  cursor: pointer;
  transition: background-color 0.12s ease, color 0.12s ease;
  text-align: left;
  font-family: inherit;
}

.pf-nav-item-left {
  display: flex;
  align-items: center;
  gap: 9px;
}

.pf-nav-item svg {
  width: 16px;
  height: 16px;
  stroke-width: 1.85;
  color: var(--pf-text-muted);
  flex-shrink: 0;
  transition: color 0.12s ease;
}

.pf-nav-item:hover {
  background: var(--pf-surface-subtle);
  color: var(--pf-text);
}

.pf-nav-item:hover svg {
  color: var(--pf-text);
}

.pf-nav-item.active {
  background: var(--pf-text);
  color: #ffffff;
  font-weight: 500;
}

.pf-nav-item.active svg {
  color: #ffffff;
}

.pf-nav-count {
  font-family: var(--pf-font-mono);
  font-size: 11px;
  padding: 1px 6px;
  border-radius: 999px;
  background: var(--pf-surface-subtle);
  color: var(--pf-text-secondary);
  font-variant-numeric: tabular-nums;
}

.pf-nav-item.active .pf-nav-count {
  background: rgba(255, 255, 255, 0.16);
  color: #ffffff;
}

.pf-sidebar-footer {
  padding: 12px;
  border-top: 1px solid var(--pf-border);
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.pf-ext-links {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6px;
}

.pf-ext-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 4px;
  padding: 6px 8px;
  border: 1px solid var(--pf-border);
  border-radius: var(--pf-radius-sm);
  background: var(--pf-surface);
  color: var(--pf-text-secondary);
  font-size: 12px;
  text-decoration: none;
  transition: border-color 0.12s, color 0.12s, background-color 0.12s;
}

.pf-ext-link:hover {
  border-color: var(--pf-border-strong);
  background: var(--pf-surface-subtle);
  color: var(--pf-text);
}

.pf-node-status {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 6px 8px;
  border-radius: var(--pf-radius-sm);
  background: var(--pf-surface-subtle);
  font-size: 11.5px;
  color: var(--pf-text-muted);
}

.pf-node-status code {
  font-family: var(--pf-font-mono);
  font-size: 11px;
  color: var(--pf-text-secondary);
}

/* ==================== 右侧主工作区 ==================== */
.pf-main {
  flex: 1;
  margin-left: 224px;
  min-width: 0;
  display: flex;
  flex-direction: column;
}

.pf-topbar {
  height: 56px;
  background: var(--pf-surface);
  border-bottom: 1px solid var(--pf-border);
  padding: 0 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: sticky;
  top: 0;
  z-index: 20;
}

.pf-topbar-left {
  display: flex;
  align-items: center;
  gap: 12px;
}

.pf-page-title {
  font-size: 15px;
  font-weight: 600;
  color: var(--pf-text);
}

.pf-page-desc {
  font-size: 12.5px;
  color: var(--pf-text-muted);
  padding-left: 12px;
  border-left: 1px solid var(--pf-border);
}

.pf-topbar-right {
  display: flex;
  align-items: center;
  gap: 10px;
}

.pf-status-pill {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 4px 10px;
  border-radius: 999px;
  border: 1px solid var(--pf-border);
  background: var(--pf-surface);
  font-size: 12px;
  color: var(--pf-text-secondary);
  font-variant-numeric: tabular-nums;
}

.pf-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--pf-text-faint);
}

.pf-dot.ok {
  background: var(--pf-success);
}

.pf-dot.live {
  background: var(--pf-success);
  box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.18);
}

.pf-dot.err {
  background: var(--pf-danger);
}

.pf-content {
  padding: 24px 28px 48px;
  max-width: 1480px;
  width: 100%;
}

.pf-view {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.pf-view[hidden] {
  display: none !important;
}

/* ==================== 指标卡片（KPI Strip） ==================== */
.pf-metrics-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
}

.pf-metric-card {
  background: var(--pf-surface);
  border: 1px solid var(--pf-border);
  border-radius: var(--pf-radius);
  padding: 16px 18px;
  box-shadow: var(--pf-shadow-xs);
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.pf-metric-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 12px;
  font-weight: 500;
  color: var(--pf-text-muted);
}

.pf-metric-val {
  font-size: 24px;
  font-weight: 600;
  color: var(--pf-text);
  letter-spacing: -0.02em;
  font-variant-numeric: tabular-nums;
  line-height: 1.25;
}

.pf-metric-foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 12px;
  color: var(--pf-text-muted);
  font-variant-numeric: tabular-nums;
  padding-top: 4px;
}

/* ==================== 通用面板与工具栏 ==================== */
.pf-panel {
  background: var(--pf-surface);
  border: 1px solid var(--pf-border);
  border-radius: var(--pf-radius);
  box-shadow: var(--pf-shadow-xs);
  overflow: hidden;
}

.pf-panel-header {
  padding: 14px 18px;
  border-bottom: 1px solid var(--pf-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}

.pf-panel-title-wrap {
  display: flex;
  align-items: center;
  gap: 10px;
}

.pf-panel-title {
  font-size: 14px;
  font-weight: 600;
  color: var(--pf-text);
}

.pf-panel-subtitle {
  font-size: 12px;
  color: var(--pf-text-muted);
}

.pf-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
}

.pf-toolbar-group {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
}

/* ==================== 表单控件与按钮 ==================== */
.pf-input,
.pf-select {
  height: 34px;
  padding: 0 11px;
  border: 1px solid var(--pf-border);
  border-radius: var(--pf-radius-sm);
  background: var(--pf-surface);
  color: var(--pf-text);
  font-size: 13px;
  font-family: inherit;
  transition: border-color 0.12s, box-shadow 0.12s;
  outline: none;
}

.pf-input:focus,
.pf-select:focus {
  border-color: var(--pf-text);
  box-shadow: 0 0 0 2px rgba(15, 23, 42, 0.08);
}

.pf-input-search {
  min-width: 230px;
}

.pf-btn {
  height: 34px;
  padding: 0 13px;
  border-radius: var(--pf-radius-sm);
  border: 1px solid var(--pf-border);
  background: var(--pf-surface);
  color: var(--pf-text);
  font-size: 13px;
  font-weight: 500;
  font-family: inherit;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  cursor: pointer;
  transition: background-color 0.12s, border-color 0.12s, color 0.12s;
  white-space: nowrap;
}

.pf-btn:hover:not(:disabled) {
  background: var(--pf-surface-subtle);
  border-color: var(--pf-border-strong);
}

.pf-btn:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

.pf-btn-primary {
  background: var(--pf-accent);
  border-color: var(--pf-accent);
  color: #ffffff;
}

.pf-btn-primary:hover:not(:disabled) {
  background: var(--pf-accent-hover);
  border-color: var(--pf-accent-hover);
}

.pf-btn-danger {
  color: var(--pf-danger-text);
  border-color: var(--pf-danger-border);
  background: var(--pf-danger-bg);
}

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

.pf-btn-sm {
  height: 27px;
  padding: 0 9px;
  font-size: 12px;
  border-radius: 5px;
}

.pf-btn-ghost {
  border-color: transparent;
  background: transparent;
  color: var(--pf-text-secondary);
}

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

/* ==================== 数据表格（NewAPI 风格高密度表格） ==================== */
.pf-table-wrap {
  width: 100%;
  overflow-x: auto;
}

.pf-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
  font-variant-numeric: tabular-nums;
}

.pf-table th {
  padding: 9px 12px;
  text-align: left;
  font-size: 12px;
  font-weight: 600;
  color: var(--pf-text-muted);
  background: var(--pf-surface-subtle);
  border-bottom: 1px solid var(--pf-border);
  white-space: nowrap;
}

.pf-table td {
  padding: 10px 12px;
  border-bottom: 1px solid var(--pf-border);
  color: var(--pf-text);
  vertical-align: middle;
}

.pf-nowrap {
  white-space: nowrap;
}

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

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

.pf-cell-primary {
  font-weight: 600;
  color: var(--pf-text);
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 6px;
  line-height: 1.35;
}

.pf-cell-sub {
  font-size: 12px;
  color: var(--pf-text-muted);
  margin-top: 3px;
  line-height: 1.35;
}

.pf-mono {
  font-family: var(--pf-font-mono);
  font-size: 11.5px;
  background: var(--pf-surface-subtle);
  color: var(--pf-text-secondary);
  padding: 1px 5px;
  border-radius: 4px;
  border: 1px solid var(--pf-border);
  white-space: nowrap;
}

.pf-actions {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 5px;
  white-space: nowrap;
}

/* ==================== 状态徽章（Badges & Tags） ==================== */
.pf-badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 2px 8px;
  border-radius: 999px;
  font-size: 11.5px;
  font-weight: 500;
  line-height: 1.4;
  white-space: nowrap;
  border: 1px solid transparent;
}

.pf-badge-success {
  background: var(--pf-success-bg);
  color: var(--pf-success-text);
  border-color: var(--pf-success-border);
}

.pf-badge-warn {
  background: var(--pf-warning-bg);
  color: var(--pf-warning-text);
  border-color: var(--pf-warning-border);
}

.pf-badge-danger {
  background: var(--pf-danger-bg);
  color: var(--pf-danger-text);
  border-color: var(--pf-danger-border);
}

.pf-badge-neutral {
  background: var(--pf-surface-subtle);
  color: var(--pf-text-secondary);
  border-color: var(--pf-border);
}

.pf-badge-brand {
  background: var(--pf-brand-soft);
  color: var(--pf-brand);
  border-color: #bfdbfe;
}

.pf-tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
}

.pf-model-tag {
  font-family: var(--pf-font-mono);
  font-size: 11px;
  padding: 1px 6px;
  border-radius: 4px;
  background: var(--pf-surface-subtle);
  color: var(--pf-text-secondary);
  border: 1px solid var(--pf-border);
  white-space: nowrap;
}

/* ==================== 实时活跃会话监控栏 ==================== */
.pf-live-list {
  padding: 14px 18px;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 12px;
}

.pf-live-empty {
  grid-column: 1 / -1;
  padding: 20px;
  text-align: center;
  color: var(--pf-text-muted);
  font-size: 13px;
  background: var(--pf-surface-subtle);
  border-radius: var(--pf-radius-sm);
  border: 1px dashed var(--pf-border-strong);
}

.pf-live-card {
  border: 1px solid var(--pf-border);
  border-left: 3px solid var(--pf-success);
  border-radius: var(--pf-radius-sm);
  background: var(--pf-surface);
  padding: 12px 14px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.pf-live-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}

.pf-live-metrics {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
  padding-top: 8px;
  border-top: 1px solid var(--pf-border);
  font-variant-numeric: tabular-nums;
}

.pf-live-stat span {
  display: block;
  font-size: 11px;
  color: var(--pf-text-muted);
}

.pf-live-stat strong {
  font-size: 13px;
  color: var(--pf-text);
}

/* ==================== 概览双栏栅格 ==================== */
.pf-overview-cols {
  display: grid;
  grid-template-columns: 1.35fr 1fr;
  gap: 16px;
}

/* ==================== 分段切换器（Segmented Tabs） ==================== */
.pf-seg-group {
  display: inline-flex;
  background: var(--pf-surface-subtle);
  padding: 3px;
  border-radius: var(--pf-radius-sm);
  border: 1px solid var(--pf-border);
}

.pf-seg-btn {
  border: none;
  background: transparent;
  color: var(--pf-text-secondary);
  font-size: 12.5px;
  font-weight: 500;
  padding: 4px 12px;
  border-radius: 4px;
  cursor: pointer;
  font-family: inherit;
  transition: all 0.12s;
}

.pf-seg-btn.active {
  background: var(--pf-surface);
  color: var(--pf-text);
  box-shadow: var(--pf-shadow-xs);
}

/* ==================== 弹窗（Modal） ==================== */
.pf-modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(15, 23, 42, 0.45);
  backdrop-filter: blur(2px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 100;
  padding: 20px;
}

.pf-modal-backdrop[hidden] {
  display: none !important;
}

.pf-modal {
  width: min(500px, 100%);
  max-height: calc(100vh - 48px);
  display: flex;
  flex-direction: column;
  background: var(--pf-surface);
  border: 1px solid var(--pf-border);
  border-radius: var(--pf-radius-lg);
  box-shadow: var(--pf-shadow-md);
  overflow: hidden;
}

.pf-modal > form {
  display: flex;
  flex-direction: column;
  min-height: 0;
  flex: 1;
}

.pf-modal-head {
  padding: 15px 20px;
  border-bottom: 1px solid var(--pf-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-shrink: 0;
}

.pf-modal-head h3 {
  font-size: 15px;
  font-weight: 600;
  color: var(--pf-text);
}

.pf-modal-close {
  width: 28px;
  height: 28px;
  border-radius: var(--pf-radius-sm);
  border: none;
  background: transparent;
  color: var(--pf-text-muted);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 15px;
}

.pf-modal-close:hover {
  background: var(--pf-surface-subtle);
  color: var(--pf-text);
}

.pf-modal-body {
  padding: 18px 20px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  overflow-y: auto;
  flex: 1;
}

.pf-form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.pf-field {
  display: flex;
  flex-direction: column;
  gap: 5px;
}

.pf-field-label {
  font-size: 12.5px;
  font-weight: 500;
  color: var(--pf-text-secondary);
}

.pf-field-hint {
  font-size: 11.5px;
  color: var(--pf-text-muted);
}

.pf-modal-foot {
  padding: 12px 20px;
  background: var(--pf-surface-subtle);
  border-top: 1px solid var(--pf-border);
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 8px;
}

.pf-preset-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.pf-preset-pill {
  padding: 4px 10px;
  font-size: 12px;
  border-radius: var(--pf-radius-sm);
  border: 1px solid var(--pf-border);
  background: var(--pf-surface-subtle);
  color: var(--pf-text-secondary);
  cursor: pointer;
  font-variant-numeric: tabular-nums;
}

.pf-preset-pill:hover {
  border-color: var(--pf-text);
  color: var(--pf-text);
  background: var(--pf-surface);
}

/* ==================== 顶部轻提示（Toast） ==================== */
.pf-toast {
  position: fixed;
  top: 16px;
  right: 24px;
  z-index: 200;
  padding: 10px 16px;
  border-radius: var(--pf-radius);
  background: var(--pf-text);
  color: #ffffff;
  font-size: 13px;
  font-weight: 500;
  box-shadow: var(--pf-shadow-md);
  display: flex;
  align-items: center;
  gap: 8px;
}

.pf-toast[data-kind="error"] {
  background: var(--pf-danger-text);
}

.pf-toast[hidden] {
  display: none !important;
}

.pf-empty-cell {
  padding: 36px 16px !important;
  text-align: center;
  color: var(--pf-text-muted) !important;
  font-size: 13px;
}

.pf-text-success {
  color: var(--pf-success-text);
  font-weight: 600;
}

.pf-text-danger {
  color: var(--pf-danger-text);
  font-weight: 600;
}

.pf-shell[hidden],
.pf-login-gate[hidden] {
  display: none !important;
}

.pf-login-gate {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  background: var(--pf-bg);
}

.pf-login-card {
  width: min(400px, 100%);
  background: var(--pf-surface);
  border: 1px solid var(--pf-border);
  border-radius: var(--pf-radius-lg);
  box-shadow: var(--pf-shadow-md);
  padding: 28px 26px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.pf-login-head {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.pf-login-brand {
  display: flex;
  align-items: center;
  gap: 9px;
  font-size: 13px;
  font-weight: 600;
  color: var(--pf-text-secondary);
}

.pf-login-head h1 {
  font-size: 20px;
  font-weight: 600;
  color: var(--pf-text);
}

.pf-login-form {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.pf-text-muted {
  color: var(--pf-text-muted);
}

@media (max-width: 960px) {
  .pf-metrics-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .pf-overview-cols {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .pf-sidebar {
    position: static;
    width: 100%;
    height: auto;
    border-right: none;
    border-bottom: 1px solid var(--pf-border);
  }
  .pf-shell {
    flex-direction: column;
  }
  .pf-main {
    margin-left: 0;
  }
  .pf-nav {
    flex-direction: row;
    overflow-x: auto;
  }
  .pf-metrics-grid {
    grid-template-columns: 1fr;
  }
  .pf-form-grid {
    grid-template-columns: 1fr;
  }
}