/* ================================================================
   style.css — SR ONNX Web Demo
   深色主题为默认，浅色主题通过 [data-theme="light"] 覆盖变量。
   ================================================================ */

/* ibm-plex-sans-300 - latin */
@font-face {
  font-display: swap; /* Check https://developer.mozilla.org/en-US/docs/Web/CSS/@font-face/font-display for other options. */
  font-family: 'IBM Plex Sans';
  font-style: normal;
  font-weight: 300;
  src: url('../fonts/ibm-plex-sans-v23-latin-300.woff2') format('woff2'); /* Chrome 36+, Opera 23+, Firefox 39+, Safari 12+, iOS 10+ */
}
/* ibm-plex-sans-regular - latin */
@font-face {
  font-display: swap; /* Check https://developer.mozilla.org/en-US/docs/Web/CSS/@font-face/font-display for other options. */
  font-family: 'IBM Plex Sans';
  font-style: normal;
  font-weight: 400;
  src: url('../fonts/ibm-plex-sans-v23-latin-regular.woff2') format('woff2'); /* Chrome 36+, Opera 23+, Firefox 39+, Safari 12+, iOS 10+ */
}
/* ibm-plex-sans-500 - latin */
@font-face {
  font-display: swap; /* Check https://developer.mozilla.org/en-US/docs/Web/CSS/@font-face/font-display for other options. */
  font-family: 'IBM Plex Sans';
  font-style: normal;
  font-weight: 500;
  src: url('../fonts/ibm-plex-sans-v23-latin-500.woff2') format('woff2'); /* Chrome 36+, Opera 23+, Firefox 39+, Safari 12+, iOS 10+ */
}
/* ibm-plex-mono-regular - latin */
@font-face {
  font-display: swap; /* Check https://developer.mozilla.org/en-US/docs/Web/CSS/@font-face/font-display for other options. */
  font-family: 'IBM Plex Mono';
  font-style: normal;
  font-weight: 400;
  src: url('../fonts/ibm-plex-mono-v20-latin-regular.woff2') format('woff2'); /* Chrome 36+, Opera 23+, Firefox 39+, Safari 12+, iOS 10+ */
}
/* ibm-plex-mono-500 - latin */
@font-face {
  font-display: swap; /* Check https://developer.mozilla.org/en-US/docs/Web/CSS/@font-face/font-display for other options. */
  font-family: 'IBM Plex Mono';
  font-style: normal;
  font-weight: 500;
  src: url('../fonts/ibm-plex-mono-v20-latin-500.woff2') format('woff2'); /* Chrome 36+, Opera 23+, Firefox 39+, Safari 12+, iOS 10+ */
}
/* ibm-plex-mono-600 - latin */
@font-face {
  font-display: swap; /* Check https://developer.mozilla.org/en-US/docs/Web/CSS/@font-face/font-display for other options. */
  font-family: 'IBM Plex Mono';
  font-style: normal;
  font-weight: 600;
  src: url('../fonts/ibm-plex-mono-v20-latin-600.woff2') format('woff2'); /* Chrome 36+, Opera 23+, Firefox 39+, Safari 12+, iOS 10+ */
}
/* ============================================
   SR ONNX Web - Modern UI System
   三栏布局 | Glassmorphism | 语义化色彩
   ============================================ */

/* ── 1. CSS Variables - Design Tokens ── */
:root {
	/*应用本地字体*/
	--font-sans: 'IBM Plex Sans', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
	--font-mono: 'IBM Plex Mono', "SF Mono", Monaco, "Cascadia Code", Consolas, monospace;
  /* 基础色板 */
  --color-blue-50: #eff6ff;
  --color-blue-100: #dbeafe;
  --color-blue-500: #3b82f6;
  --color-blue-600: #2563eb;
  --color-blue-700: #1d4ed8;
  
  --color-emerald-50: #ecfdf5;
  --color-emerald-100: #d1fae5;
  --color-emerald-500: #10b981;
  --color-emerald-600: #059669;
  
  --color-amber-50: #fffbeb;
  --color-amber-100: #fef3c7;
  --color-amber-500: #f59e0b;
  --color-amber-600: #d97706;
  
  --color-red-50: #fef2f2;
  --color-red-100: #fee2e2;
  --color-red-500: #ef4444;
  --color-red-600: #dc2626;
  
  --color-purple-500: #8b5cf6;
  --color-purple-600: #7c3aed;
  
  /* 语义层 - Surface */
  --surface-canvas: #0a0a0f;
  --surface-panel: rgba(15, 15, 20, 0.6);
  --surface-elevated: rgba(25, 25, 35, 0.8);
  --surface-hover: rgba(40, 40, 55, 0.9);
  --surface-active: rgba(50, 50, 70, 0.95);
  
  /* 语义层 - Text */
  --text-primary: rgba(255, 255, 255, 0.92);
  --text-secondary: rgba(255, 255, 255, 0.65);
  --text-tertiary: rgba(255, 255, 255, 0.45);
  --text-disabled: rgba(255, 255, 255, 0.25);
  
  /* 语义层 - Border */
  --border-subtle: rgba(255, 255, 255, 0.06);
  --border-default: rgba(255, 255, 255, 0.10);
  --border-strong: rgba(255, 255, 255, 0.20);
  --border-accent: rgba(59, 130, 246, 0.30);
  
  /* 状态色 */
  --state-running: var(--color-blue-500);
  --state-success: var(--color-emerald-500);
  --state-warning: var(--color-amber-500);
  --state-error: var(--color-red-500);
  --state-info: var(--color-blue-500);
  
  /* 数据可视化 */
  --data-psnr: var(--color-blue-500);
  --data-ssim: var(--color-emerald-500);
  --data-l1: var(--color-amber-500);
  
  /* 效果 */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.4), 0 2px 4px -2px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.5), 0 4px 6px -4px rgba(0, 0, 0, 0.5);
  --shadow-glow: 0 0 20px rgba(59, 130, 246, 0.15);
  
  --glass-bg: rgba(20, 20, 30, 0.6);
  --glass-border: rgba(255, 255, 255, 0.08);
  --glass-blur: blur(20px) saturate(180%);
  
  /* 排版 */
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-mono: "SF Mono", Monaco, "Cascadia Code", "Roboto Mono", Consolas, "Courier New", monospace;
  
  /* 间距 */
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 20px;
  --space-6: 24px;
  --space-8: 32px;
  --space-10: 40px;
  
  /* 圆角 */
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 14px;
  --radius-xl: 20px;
  
  /* 过渡 */
  --transition-fast: 150ms ease;
  --transition-base: 250ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 350ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-spring: 500ms cubic-bezier(0.34, 1.56, 0.64, 1);
}

/* Light Theme */
[data-theme="light"] {
  --surface-canvas: #f8fafc;
  --surface-panel: rgba(255, 255, 255, 0.7);
  --surface-elevated: rgba(241, 245, 249, 0.9);
  --surface-hover: rgba(226, 232, 240, 0.95);
  
  --text-primary: rgba(15, 23, 42, 0.92);
  --text-secondary: rgba(51, 65, 85, 0.7);
  --text-tertiary: rgba(100, 116, 139, 0.55);
  --text-disabled: rgba(148, 163, 184, 0.4);
  
  --border-subtle: rgba(15, 23, 42, 0.06);
  --border-default: rgba(15, 23, 42, 0.12);
  --border-strong: rgba(15, 23, 42, 0.25);
  
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.08), 0 2px 4px -2px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -4px rgba(0, 0, 0, 0.1);
  
  --glass-bg: rgba(255, 255, 255, 0.7);
  --glass-border: rgba(255, 255, 255, 0.5);
}

/* ── 2. Reset & Base ── */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  font-size: 14px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-sans);
  background: var(--surface-canvas);
  color: var(--text-primary);
  line-height: 1.5;
  min-height: 100vh;
  overflow-x: hidden;
}

/* ── 3. Glassmorphism Utilities ── */
.glass {
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-xl);
}

.glass-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 70px;
  background: rgba(10, 10, 15, 0.75);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border-bottom: 1px solid var(--border-default);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 var(--space-6);
  z-index: 1000;
}

[data-theme="light"] .glass-header {
  background: rgba(255, 255, 255, 0.75);
}

/* ── 4. Header Components ── */
.header-left, .header-center, .header-right {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

.brand {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.brand-icon {
  width: 44px;
  height: 44px;
  background: linear-gradient(135deg, var(--color-blue-500), var(--color-purple-600));
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  box-shadow: var(--shadow-md), 0 0 20px rgba(59, 130, 246, 0.3);
}

.brand-text h1 {
  font-size: 18px;
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.2;
}

.brand-text span {
  font-size: 11px;
  color: var(--text-tertiary);
  font-weight: 500;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.backend-status {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-4);
  background: var(--surface-elevated);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-lg);
  font-family: var(--font-mono);
  font-size: 12px;
}

.status-pulse {
  width: 8px;
  height: 8px;
  background: var(--text-tertiary);
  border-radius: 50%;
  position: relative;
}

.status-pulse.active {
  background: var(--state-success);
  box-shadow: 0 0 12px var(--state-success);
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.6; transform: scale(0.9); }
}

.status-label {
  color: var(--text-tertiary);
  font-weight: 600;
}

.status-value {
  color: var(--text-secondary);
  font-weight: 700;
}

.icon-btn {
  width: 40px;
  height: 40px;
  border: 1px solid var(--border-default);
  border-radius: var(--radius-md);
  background: var(--surface-elevated);
  color: var(--text-secondary);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
}

.icon-btn:hover {
  background: var(--surface-hover);
  color: var(--text-primary);
  border-color: var(--border-strong);
  transform: translateY(-1px);
}

.theme-toggle .sun-icon {
  display: none;
}

[data-theme="light"] .theme-toggle .sun-icon {
  display: block;
}

[data-theme="light"] .theme-toggle .moon-icon {
  display: none;
}

/* ── 5. Layout - Three Column Grid ── */
.app-container {
  display: grid;
  grid-template-columns: 320px 1fr 280px;
  gap: var(--space-5);
  padding: calc(70px + var(--space-5)) var(--space-5) var(--space-5);
  max-width: 1800px;
  margin: 0 auto;
  min-height: 100vh;
}

/* ── 6. Sidebar Components ── */
.sidebar {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.panel {
  overflow: hidden;
  transition: all var(--transition-base);
}

.panel-header {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-4);
  border-bottom: 1px solid var(--border-subtle);
  background: rgba(255, 255, 255, 0.03);
}

.panel-title {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: 13px;
  font-weight: 600;
  color: var(--text-primary);
  flex: 1;
}

.panel-title svg {
  color: var(--color-blue-500);
}

.badge {
  font-size: 10px;
  font-weight: 700;
  padding: var(--space-1) var(--space-2);
  border-radius: var(--radius-sm);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.badge-auto {
  background: var(--color-blue-500);
  color: white;
}

.badge-fixed {
  background: rgba(59, 130, 246, 0.15);
  color: var(--color-blue-500);
  border: 1px solid rgba(59, 130, 246, 0.2);
}

.queue-badge {
  background: var(--color-blue-500);
  color: white;
  font-size: 11px;
  font-weight: 700;
  min-width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
}

/* ── 7. Model Loader ── */
.model-loader {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  padding: var(--space-5);
}

.loader-ring {
  position: relative;
  width: 56px;
  height: 56px;
  flex-shrink: 0;
}

.loader-ring svg {
  width: 100%;
  height: 100%;
  transform: rotate(-90deg);
}

.ring-bg {
  fill: none;
  stroke: var(--border-default);
  stroke-width: 3;
}

.ring-progress {
  fill: none;
  stroke: var(--color-blue-500);
  stroke-width: 3;
  stroke-linecap: round;
  stroke-dasharray: 100 100;
  stroke-dashoffset: 100;
  transition: stroke-dashoffset var(--transition-slow);
}

.loader-center {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 12px;
  height: 12px;
  background: var(--text-tertiary);
  border-radius: 50%;
  transition: all var(--transition-base);
}

.loader-center.loading {
  background: transparent;
  border: 2px solid var(--color-blue-500);
  border-top-color: transparent;
  width: 20px;
  height: 20px;
  animation: spin 1s linear infinite;
}

.loader-center.ready {
  background: var(--state-success);
  box-shadow: 0 0 12px var(--state-success);
}

@keyframes spin {
  to { transform: translate(-50%, -50%) rotate(360deg); }
}

.loader-info {
  flex: 1;
  min-width: 0;
}

.loader-phase {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 2px;
}

.loader-detail {
  font-size: 12px;
  color: var(--text-tertiary);
}

.session-info {
  margin: 0 var(--space-4) var(--space-4);
  padding: var(--space-3);
  background: var(--surface-elevated);
  border-radius: var(--radius-md);
  border-left: 3px solid var(--color-blue-500);
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-tertiary);
  line-height: 1.6;
}

/* ── 8. Upload Zone ── */
.upload-zone {
  margin: var(--space-4);
  padding: var(--space-6);
  border: 2px dashed var(--border-default);
  border-radius: var(--radius-lg);
  background: var(--surface-elevated);
  text-align: center;
  cursor: pointer;
  transition: all var(--transition-fast);
  position: relative;
  overflow: hidden;
}

.upload-zone::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, transparent 40%, rgba(59, 130, 246, 0.03) 100%);
  opacity: 0;
  transition: opacity var(--transition-fast);
}

.upload-zone:hover {
  border-color: var(--color-blue-500);
  background: var(--surface-hover);
}

.upload-zone:hover::before {
  opacity: 1;
}

.upload-zone.drag-over {
  border-color: var(--color-blue-500);
  background: rgba(59, 130, 246, 0.1);
  transform: scale(1.02);
}

.upload-icon-large {
  color: var(--text-tertiary);
  margin-bottom: var(--space-3);
  transition: color var(--transition-fast);
}

.upload-zone:hover .upload-icon-large {
  color: var(--color-blue-500);
}

.upload-title {
  font-size: 15px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: var(--space-1);
}

.upload-subtitle {
  font-size: 13px;
  color: var(--text-secondary);
  margin-bottom: var(--space-2);
}

.text-link {
  color: var(--color-blue-500);
  font-weight: 500;
  cursor: pointer;
}

.upload-hint {
  font-size: 11px;
  color: var(--text-tertiary);
  padding: var(--space-2) var(--space-3);
  background: var(--surface-canvas);
  border-radius: var(--radius-sm);
  display: inline-block;
}

/* 手动配对区 */
.pair-manual {
  padding: 0 var(--space-4) var(--space-4);
}

.file-pair {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-bottom: var(--space-3);
}

.file-slot {
  flex: 1;
  height: 100px;
  border: 2px dashed var(--border-default);
  border-radius: var(--radius-md);
  background: var(--surface-elevated);
  position: relative;
  overflow: hidden;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.file-slot:hover {
  border-color: var(--color-blue-500);
  background: var(--surface-hover);
}

.file-slot input {
  position: absolute;
  inset: 0;
  opacity: 0;
  cursor: pointer;
}

.slot-content {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-1);
  pointer-events: none;
}

.slot-label {
  font-size: 20px;
  font-weight: 700;
  color: var(--text-primary);
}

.slot-hint {
  font-size: 11px;
  color: var(--text-tertiary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.slot-preview {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  display: none;
}

.file-slot.has-file .slot-preview {
  display: block;
}

.file-slot.has-file .slot-content {
  opacity: 0;
}

.pair-connector {
  color: var(--text-tertiary);
  flex-shrink: 0;
}

/* 队列列表 */
.queue-list {
  margin: 0 var(--space-4);
  max-height: 200px;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.queue-item {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3);
  background: var(--surface-elevated);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  font-size: 12px;
  transition: all var(--transition-fast);
}

.queue-item:hover {
  background: var(--surface-hover);
  border-color: var(--border-default);
  transform: translateX(2px);
}

.queue-thumb {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-sm);
  background-size: cover;
  background-position: center;
  flex-shrink: 0;
  border: 1px solid var(--border-subtle);
}

.queue-info {
  flex: 1;
  min-width: 0;
}

.queue-names {
  display: block;
  color: var(--text-primary);
  font-weight: 500;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.queue-meta {
  display: block;
  color: var(--text-tertiary);
  font-size: 11px;
  margin-top: 2px;
}

.queue-remove {
  width: 28px;
  height: 28px;
  border: none;
  background: transparent;
  color: var(--text-tertiary);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
}

.queue-remove:hover {
  background: rgba(239, 68, 68, 0.1);
  color: var(--state-error);
}

.quick-actions {
  display: flex;
  justify-content: space-between;
  padding: var(--space-3) var(--space-4);
  border-top: 1px solid var(--border-subtle);
}

/* ── 9. Collapsible Panel ── */
.panel-collapsible .collapsible-trigger {
  cursor: pointer;
  user-select: none;
}

.collapse-icon {
  transition: transform var(--transition-fast);
  color: var(--text-tertiary);
}

.panel-collapsible.collapsed .collapse-icon {
  transform: rotate(-90deg);
}

.collapsible-content {
  max-height: 500px;
  overflow: hidden;
  transition: max-height var(--transition-slow), opacity var(--transition-base);
}

.panel-collapsible.collapsed .collapsible-content {
  max-height: 0;
  opacity: 0;
}

/* ── 10. Config Items ── */
.config-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-3) var(--space-4);
  border-bottom: 1px solid var(--border-subtle);
  transition: background var(--transition-fast);
}

.config-item:last-child {
  border-bottom: none;
}

.config-item.interactive:hover {
  background: rgba(255, 255, 255, 0.03);
}

.config-meta {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.config-label {
  font-size: 13px;
  font-weight: 500;
  color: var(--text-primary);
}

.config-desc {
  font-size: 11px;
  color: var(--text-tertiary);
}

/* Toggle */
.toggle {
  position: relative;
  width: 48px;
  height: 26px;
  cursor: pointer;
  flex-shrink: 0;
}

.toggle input {
  opacity: 0;
  width: 0;
  height: 0;
}

.toggle-track {
  position: absolute;
  inset: 0;
  background: var(--surface-hover);
  border-radius: 13px;
  border: 1px solid var(--border-default);
  transition: all var(--transition-fast);
}

.toggle-track::after {
  content: '';
  position: absolute;
  top: 2px;
  left: 2px;
  width: 20px;
  height: 20px;
  background: white;
  border-radius: 50%;
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-fast);
}

.toggle input:checked + .toggle-track {
  background: var(--color-blue-500);
  border-color: var(--color-blue-500);
}

.toggle input:checked + .toggle-track::after {
  transform: translateX(22px);
}

/* Alert */
.alert {
  display: flex;
  align-items: flex-start;
  gap: var(--space-2);
  padding: var(--space-3);
  margin: 0 var(--space-4) var(--space-4);
  border-radius: var(--radius-md);
  font-size: 12px;
  line-height: 1.5;
}

.alert-warning {
  background: rgba(245, 158, 11, 0.1);
  border: 1px solid rgba(245, 158, 11, 0.2);
  color: var(--color-amber-500);
}

/* ── 11. Main Workspace ── */
.main-workspace {
  display: flex;
  flex-direction: column;
  min-height: calc(100vh - 70px - var(--space-10));
}

.workspace-status {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-3) var(--space-4);
  background: var(--surface-panel);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-lg);
  margin-bottom: var(--space-4);
  backdrop-filter: blur(10px);
}

.status-left {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.status-dot {
  width: 10px;
  height: 10px;
  background: var(--text-tertiary);
  border-radius: 50%;
  position: relative;
  transition: all var(--transition-fast);
}

.status-dot.active {
  background: var(--state-success);
  box-shadow: 0 0 10px var(--state-success);
}

.status-dot.running {
  background: var(--state-running);
  animation: pulse 1.5s infinite;
}

.status-dot.error {
  background: var(--state-error);
  box-shadow: 0 0 10px var(--state-error);
}

.status-message {
  font-size: 13px;
  font-weight: 500;
  color: var(--text-secondary);
}

.tech-badge {
  font-size: 11px;
  font-weight: 600;
  color: var(--color-blue-500);
  padding: var(--space-1) var(--space-2);
  background: rgba(59, 130, 246, 0.1);
  border-radius: var(--radius-sm);
  font-family: var(--font-mono);
}

.workspace-content {
  flex: 1;
  background: var(--surface-panel);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-xl);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  position: relative;
}

/* ── 12. Empty State ── */
.empty-state {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--space-10);
  text-align: center;
}

.empty-visual {
  margin-bottom: var(--space-6);
}

.empty-icon {
  width: 140px;
  height: 140px;
  background: var(--surface-elevated);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-tertiary);
  margin: 0 auto var(--space-6);
  border: 2px dashed var(--border-default);
  position: relative;
}

.empty-icon::before {
  content: '';
  position: absolute;
  inset: -10px;
  border-radius: 50%;
  border: 1px solid var(--border-subtle);
  animation: ripple 3s infinite;
}

@keyframes ripple {
  0%, 100% { transform: scale(1); opacity: 0.5; }
  50% { transform: scale(1.05); opacity: 0; }
}

.empty-flow {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  color: var(--text-tertiary);
  margin-top: var(--space-4);
}

.flow-step {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-2);
  font-size: 12px;
  font-weight: 500;
  opacity: 0.5;
  transition: all var(--transition-base);
}

.flow-step.active {
  opacity: 1;
  color: var(--color-blue-500);
}

.flow-step.active .step-number {
  background: var(--color-blue-500);
  color: white;
  box-shadow: 0 0 15px rgba(59, 130, 246, 0.4);
}

.step-number {
  width: 36px;
  height: 36px;
  background: var(--surface-elevated);
  border: 1px solid var(--border-default);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 14px;
  transition: all var(--transition-base);
}

.flow-arrow {
  font-size: 20px;
  opacity: 0.3;
}

.empty-title {
  font-size: 22px;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: var(--space-2);
}

.empty-desc {
  font-size: 14px;
  color: var(--text-secondary);
  margin-bottom: var(--space-5);
  max-width: 400px;
}

/* ── 13. Results Container ── */
.results-container {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow-y: auto;
  padding: var(--space-6);
}

.metrics-overview {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-4);
  margin-bottom: var(--space-6);
}

.metric-card {
  background: var(--surface-elevated);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-lg);
  padding: var(--space-5);
  display: flex;
  align-items: flex-start;
  gap: var(--space-4);
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}

.metric-card::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 4px;
  transition: all var(--transition-base);
}

.metric-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg);
  border-color: var(--border-strong);
}

.metric-card.metric-primary::before {
  background: var(--data-psnr);
}

.metric-card.metric-secondary::before {
  background: var(--data-ssim);
}

.metric-card.metric-tertiary::before {
  background: var(--data-l1);
}

.metric-icon {
  width: 48px;
  height: 48px;
  background: var(--surface-canvas);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-tertiary);
  flex-shrink: 0;
  border: 1px solid var(--border-subtle);
}

.metric-card.metric-primary .metric-icon {
  color: var(--data-psnr);
  background: rgba(59, 130, 246, 0.1);
  border-color: rgba(59, 130, 246, 0.2);
}

.metric-card.metric-secondary .metric-icon {
  color: var(--data-ssim);
  background: rgba(16, 185, 129, 0.1);
  border-color: rgba(16, 185, 129, 0.2);
}

.metric-card.metric-tertiary .metric-icon {
  color: var(--data-l1);
  background: rgba(245, 158, 11, 0.1);
  border-color: rgba(245, 158, 11, 0.2);
}

.metric-body {
  flex: 1;
  min-width: 0;
}

.metric-label {
  font-size: 12px;
  font-weight: 600;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: var(--space-1);
}

.metric-value {
  font-size: 32px;
  font-weight: 800;
  color: var(--text-primary);
  font-family: var(--font-mono);
  line-height: 1;
  margin-bottom: 4px;
  background: linear-gradient(135deg, var(--text-primary) 0%, var(--text-secondary) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.metric-unit {
  font-size: 12px;
  color: var(--text-tertiary);
  margin-bottom: var(--space-2);
}

.metric-bar {
  height: 4px;
  background: var(--surface-canvas);
  border-radius: 2px;
  overflow: hidden;
}

.metric-fill {
  height: 100%;
  border-radius: 2px;
  transition: width var(--transition-slow);
}

.metric-primary .metric-fill {
  background: linear-gradient(90deg, var(--data-psnr), var(--color-blue-600));
}

.metric-secondary .metric-fill {
  background: linear-gradient(90deg, var(--data-ssim), var(--color-emerald-600));
}

.metric-tertiary .metric-fill {
  background: linear-gradient(90deg, var(--data-l1), var(--color-amber-600));
}

/* ── 14. Comparison Section ── */
.comparison-section {
  flex: 1;
  display: flex;
  flex-direction: column;
}

.section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-4);
}

.section-title {
  font-size: 16px;
  font-weight: 700;
  color: var(--text-primary);
}

.view-controls {
  display: flex;
  gap: var(--space-1);
  background: var(--surface-elevated);
  padding: 4px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-default);
}

.view-btn {
  width: 36px;
  height: 36px;
  border: none;
  background: transparent;
  color: var(--text-tertiary);
  cursor: pointer;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
}

.view-btn:hover {
  color: var(--text-primary);
  background: var(--surface-hover);
}

.view-btn.active {
  background: var(--surface-canvas);
  color: var(--text-primary);
  box-shadow: var(--shadow-sm);
}

.result-content {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

/* 结果项 - 对比视图 */
.result-item {
  background: var(--surface-elevated);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-xl);
  overflow: hidden;
}

.result-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-4);
  border-bottom: 1px solid var(--border-subtle);
  background: rgba(255, 255, 255, 0.02);
}

.result-title {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.result-idx {
  width: 32px;
  height: 32px;
  background: var(--color-blue-500);
  color: white;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 13px;
}

.result-name {
  font-weight: 600;
  color: var(--text-primary);
  font-size: 14px;
}

.result-metrics {
  display: flex;
  gap: var(--space-4);
  font-size: 13px;
}

.result-metrics span {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  color: var(--text-secondary);
}

.metric-highlight {
  color: var(--text-primary);
  font-weight: 700;
  font-family: var(--font-mono);
}

/* 图像对比容器 */
.compare-container {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: var(--space-3);
  padding: var(--space-4);
}

.compare-cell {
  position: relative;
  border-radius: var(--radius-md);
  overflow: hidden;
  background: var(--surface-canvas);
  border: 1px solid var(--border-subtle);
}

.compare-cell canvas {
  width: 100%;
  height: auto;
  display: block;
}

.cell-label {
  position: absolute;
  top: var(--space-2);
  left: var(--space-2);
  padding: var(--space-1) var(--space-2);
  background: rgba(0, 0, 0, 0.7);
  color: white;
  font-size: 11px;
  font-weight: 600;
  border-radius: var(--radius-sm);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.cell-download {
  position: absolute;
  bottom: var(--space-2);
  right: var(--space-2);
  padding: var(--space-1) var(--space-2);
  background: var(--surface-elevated);
  color: var(--text-secondary);
  font-size: 11px;
  border-radius: var(--radius-sm);
  text-decoration: none;
  opacity: 0;
  transition: all var(--transition-fast);
}

.compare-cell:hover .cell-download {
  opacity: 1;
}

/* ── 15. Log Panel ── */
.log-panel {
  margin-top: var(--space-4);
  max-height: 320px;
  display: flex;
  flex-direction: column;
  transition: all var(--transition-base);
}

.log-panel.collapsed {
  max-height: 52px;
}

.log-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-3) var(--space-4);
  border-bottom: 1px solid var(--border-subtle);
  cursor: pointer;
  user-select: none;
}

.log-title {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: 12px;
  font-weight: 700;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.log-title svg {
  color: var(--color-blue-500);
}

.log-count {
  background: var(--surface-elevated);
  color: var(--text-secondary);
  padding: 2px 8px;
  border-radius: var(--radius-sm);
  font-size: 11px;
  font-family: var(--font-mono);
  min-width: 24px;
  text-align: center;
  border: 1px solid var(--border-default);
}

.log-actions {
  display: flex;
  gap: var(--space-2);
}

.log-btn {
  width: 32px;
  height: 32px;
  border: none;
  background: transparent;
  color: var(--text-tertiary);
  cursor: pointer;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
}

.log-btn:hover {
  background: var(--surface-hover);
  color: var(--text-primary);
}

.log-body {
  flex: 1;
  overflow-y: auto;
  padding: var(--space-3) var(--space-4);
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.7;
  background: var(--surface-canvas);
  max-height: 260px;
}

.log-entry {
  display: flex;
  gap: var(--space-3);
  padding: var(--space-2) 0;
  border-bottom: 1px solid var(--border-subtle);
  animation: slideIn var(--transition-fast);
}

@keyframes slideIn {
  from {
    opacity: 0;
    transform: translateX(-10px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

.log-entry:last-child {
  border-bottom: none;
}

.log-time {
  color: var(--text-tertiary);
  flex-shrink: 0;
  font-size: 11px;
}

.log-level {
  font-weight: 700;
  text-transform: uppercase;
  flex-shrink: 0;
  width: 44px;
  font-size: 10px;
  padding: 2px 6px;
  border-radius: var(--radius-sm);
  text-align: center;
}

.log-level.info {
  color: var(--color-blue-500);
  background: rgba(59, 130, 246, 0.1);
}

.log-level.ok {
  color: var(--color-emerald-500);
  background: rgba(16, 185, 129, 0.1);
}

.log-level.warn {
  color: var(--color-amber-500);
  background: rgba(245, 158, 11, 0.1);
}

.log-level.error {
  color: var(--color-red-500);
  background: rgba(239, 68, 68, 0.1);
}

.log-level.debug {
  color: var(--color-purple-500);
  background: rgba(139, 92, 246, 0.1);
}

.log-message {
  flex: 1;
  color: var(--text-secondary);
  word-break: break-word;
}

/* ── 16. Right Sidebar ── */
.sidebar-right .panel-action {
  padding: var(--space-4);
  display: flex;
  flex-direction: column;
}

.btn-large {
  width: 100%;
  padding: var(--space-4);
  font-size: 15px;
  font-weight: 600;
}

/* Progress Ring */
.progress-ring-container {
  display: flex;
  justify-content: center;
  padding: var(--space-5);
}

.progress-ring {
  position: relative;
  width: 120px;
  height: 120px;
}

.progress-ring svg {
  width: 100%;
  height: 100%;
  transform: rotate(-90deg);
}

.progress-ring-bg {
  fill: none;
  stroke: var(--border-default);
  stroke-width: 6;
}

.progress-ring-fill {
  fill: none;
  stroke: var(--color-blue-500);
  stroke-width: 6;
  stroke-linecap: round;
  stroke-dasharray: 283;
  stroke-dashoffset: 283;
  transition: stroke-dashoffset var(--transition-base);
}

.progress-center {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  text-align: center;
}

.progress-percent {
  display: block;
  font-size: 24px;
  font-weight: 800;
  color: var(--text-primary);
  font-family: var(--font-mono);
  line-height: 1;
}

.progress-label {
  font-size: 11px;
  color: var(--text-tertiary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.progress-details {
  padding: 0 var(--space-4) var(--space-4);
}

.progress-item {
  display: flex;
  justify-content: space-between;
  padding: var(--space-2) 0;
  font-size: 12px;
  border-bottom: 1px solid var(--border-subtle);
}

.progress-item:last-child {
  border-bottom: none;
}

.progress-key {
  color: var(--text-tertiary);
}

.progress-value {
  color: var(--text-primary);
  font-weight: 600;
  font-family: var(--font-mono);
}

/* Export Grid */
.export-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3);
  padding: var(--space-4);
}

/* System Info */
.panel-info {
  padding: var(--space-3) var(--space-4);
}

.info-item {
  display: flex;
  justify-content: space-between;
  padding: var(--space-2) 0;
  font-size: 12px;
  border-bottom: 1px solid var(--border-subtle);
}

.info-item:last-child {
  border-bottom: none;
}

.info-label {
  color: var(--text-tertiary);
}

.info-value {
  color: var(--text-secondary);
  font-weight: 500;
  font-family: var(--font-mono);
}

/* ── 17. Buttons ── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-4);
  font-size: 13px;
  font-weight: 600;
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  cursor: pointer;
  transition: all var(--transition-fast);
  font-family: inherit;
  position: relative;
  overflow: hidden;
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.btn-primary {
  background: linear-gradient(135deg, var(--color-blue-500), var(--color-blue-600));
  color: white;
  box-shadow: 0 4px 14px rgba(59, 130, 246, 0.35);
}

.btn-primary:hover:not(:disabled) {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(59, 130, 246, 0.45);
}

.btn-secondary {
  background: var(--surface-elevated);
  color: var(--text-primary);
  border: 1px solid var(--border-default);
}

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

.btn-outline {
  background: transparent;
  color: var(--text-secondary);
  border: 1px solid var(--border-default);
}

.btn-outline:hover:not(:disabled) {
  background: var(--surface-elevated);
  color: var(--text-primary);
  border-color: var(--border-strong);
}

.btn-text {
  background: transparent;
  color: var(--text-tertiary);
  border: none;
  padding: var(--space-2);
}

.btn-text:hover:not(:disabled) {
  color: var(--text-primary);
  background: rgba(255, 255, 255, 0.05);
}

.btn-sm {
  padding: var(--space-2) var(--space-3);
  font-size: 12px;
}

.spinner {
  width: 18px;
  height: 18px;
  border: 2px solid transparent;
  border-top-color: currentColor;
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  display: none;
}

.btn.loading .spinner {
  display: block;
}

.btn.loading .btn-icon {
  display: none;
}

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

/* ── 18. Responsive ── */
@media (max-width: 1400px) {
  .app-container {
    grid-template-columns: 280px 1fr 240px;
  }
  
  .metrics-overview {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 1200px) {
  .app-container {
    grid-template-columns: 1fr;
  }
  
  .sidebar-left {
    order: 2;
  }
  
  .main-workspace {
    order: 1;
  }
  
  .sidebar-right {
    order: 3;
    flex-direction: row;
    flex-wrap: wrap;
  }
  
  .sidebar-right .panel {
    flex: 1;
    min-width: 300px;
  }
}

@media (max-width: 768px) {
  .glass-header {
    padding: 0 var(--space-4);
    height: 60px;
  }
  
  .brand-text span {
    display: none;
  }
  
  .backend-status .status-label {
    display: none;
  }
  
  .app-container {
    padding: calc(60px + var(--space-4)) var(--space-4) var(--space-4);
  }
  
  .metrics-overview {
    grid-template-columns: 1fr;
  }
  
  .compare-container {
    grid-template-columns: 1fr;
  }
  
  .result-metrics {
    flex-direction: column;
    gap: var(--space-2);
  }
}

/* ── 19. Utilities ── */
.hidden {
  display: none !important;
}

.fade-in {
  animation: fadeIn var(--transition-base);
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

/* Scrollbar */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

::-webkit-scrollbar-track {
  background: transparent;
}

::-webkit-scrollbar-thumb {
  background: var(--border-strong);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--text-tertiary);
}

/* Reduced Motion */
@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}
/* ============================================
   快速开始 - 简化版样式
   ============================================ */

/* 快速模式状态 */
.quick-mode .upload-zone,
.quick-mode .panel:not(:has(#lr-slot, #gt-slot, #run-btn)) {
  opacity: 0.5;
  pointer-events: none;
}

.quick-mode #lr-slot,
.quick-mode #gt-slot {
  position: relative;
  z-index: 10;
  box-shadow: 0 0 0 2px var(--color-blue-500), 0 0 20px rgba(59, 130, 246, 0.3);
  animation: quickPulse 1.5s infinite;
}

.quick-mode #lr-slot::after,
.quick-mode #gt-slot::after {
  content: '点击选择';
  position: absolute;
  top: -30px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--color-blue-500);
  color: white;
  padding: 4px 12px;
  border-radius: var(--radius-sm);
  font-size: 12px;
  font-weight: 600;
  white-space: nowrap;
  pointer-events: none;
}

@keyframes quickPulse {
  0%, 100% { box-shadow: 0 0 0 2px var(--color-blue-500), 0 0 20px rgba(59, 130, 246, 0.3); }
  50% { box-shadow: 0 0 0 4px var(--color-blue-500), 0 0 30px rgba(59, 130, 246, 0.2); }
}

/* 高亮脉冲动画 */
.highlight-pulse {
  animation: highlightPulse 1s ease 2;
}

@keyframes highlightPulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.05); }
}

/* 快速开始按钮激活状态 */
#quick-start-btn.active {
  background: linear-gradient(135deg, var(--color-emerald-500), var(--color-emerald-600));
  box-shadow: 0 0 20px rgba(16, 185, 129, 0.4);
}

/* 步骤指示器更新 */
.flow-step.active .step-number {
  background: var(--color-blue-500);
  color: white;
  box-shadow: 0 0 15px rgba(59, 130, 246, 0.4);
}

/* Toast 提示（简化版） */
.toast {
  position: fixed;
  bottom: 30px;
  left: 50%;
  transform: translateX(-50%) translateY(100px);
  background: var(--surface-elevated);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-lg);
  padding: 12px 24px;
  font-size: 14px;
  font-weight: 500;
  color: var(--text-primary);
  box-shadow: var(--shadow-lg);
  z-index: 1000;
  opacity: 0;
  transition: all 0.3s ease;
}

.toast.show {
  transform: translateX(-50%) translateY(0);
  opacity: 1;
}

/* ============================================
   推理进度条增强动画
   ============================================ */

/* 推理中的脉冲流动效果 */
.progress-ring-fill.processing {
  animation: processingFlow 1.5s ease-in-out infinite;
  filter: drop-shadow(0 0 6px var(--color-blue-500));
  stroke: var(--color-blue-500);
}

@keyframes processingFlow {
  0% {
    opacity: 1;
    stroke-width: 6;
    filter: drop-shadow(0 0 6px var(--color-blue-500));
  }
  50% {
    opacity: 0.8;
    stroke-width: 8;
    filter: drop-shadow(0 0 12px var(--color-blue-500));
  }
  100% {
    opacity: 1;
    stroke-width: 6;
    filter: drop-shadow(0 0 6px var(--color-blue-500));
  }
}

/* 阶段文本更新动画 */
#progress-stage {
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  display: inline-block;
}

#progress-stage.updating {
  color: var(--color-amber-500) !important;
  transform: translateY(-2px) scale(1.05);
  text-shadow: 0 0 10px rgba(245, 158, 11, 0.3);
}

/* 完成状态 */
#progress-stage[data-status="done"] {
  color: var(--color-emerald-500) !important;
}

/* 错误状态 */
#progress-stage[data-status="error"] {
  color: var(--color-red-500) !important;
  animation: shake 0.5s ease-in-out;
}

@keyframes shake {
  0%, 100% { transform: translateX(0); }
  25% { transform: translateX(-5px); }
  75% { transform: translateX(5px); }
}

/* 多图像对时的平滑过渡 */
.progress-ring-fill {
  transition: stroke-dashoffset 0.4s cubic-bezier(0.4, 0, 0.2, 1), stroke 0.3s ease;
}

/* 进度百分比数字变化动画 */
.progress-percent {
  transition: all 0.3s ease;
  font-variant-numeric: tabular-nums; /* 等宽数字，防止抖动 */
}

/* 暗黑模式下的发光效果增强 */
[data-theme="dark"] .progress-ring-fill.processing {
  filter: drop-shadow(0 0 8px rgba(59, 130, 246, 0.6));
}


/* ============================================
   指标概览面板 - 新增样式
   ============================================ */

.metrics-overview-panel {
  background: var(--surface-panel);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-xl);
  padding: var(--space-5);
  margin-bottom: var(--space-5);
  backdrop-filter: blur(10px);
}

.metrics-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-4);
  padding-bottom: var(--space-3);
  border-bottom: 1px solid var(--border-subtle);
}

.metrics-title {
  font-size: 16px;
  font-weight: 700;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.metrics-title::before {
  content: '';
  width: 4px;
  height: 20px;
  background: linear-gradient(180deg, var(--color-blue-500), var(--color-purple-600));
  border-radius: 2px;
}

.metrics-subtitle {
  font-size: 12px;
  color: var(--text-tertiary);
  font-weight: 500;
}

.metrics-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-4);
}

.metric-card {
  background: var(--surface-elevated);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-lg);
  padding: var(--space-4);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  position: relative;
  overflow: hidden;
  transition: all var(--transition-base);
}

.metric-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
  border-color: var(--border-strong);
}

.metric-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  transition: all var(--transition-base);
}

.metric-card.metric-psnr::before {
  background: linear-gradient(90deg, var(--color-blue-500), var(--color-blue-600));
}

.metric-card.metric-ssim::before {
  background: linear-gradient(90deg, var(--color-emerald-500), var(--color-emerald-600));
}

.metric-card.metric-l1::before {
  background: linear-gradient(90deg, var(--color-amber-500), var(--color-amber-600));
}

.metric-card-icon {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.metric-psnr .metric-card-icon {
  background: rgba(59, 130, 246, 0.15);
  color: var(--color-blue-500);
}

.metric-ssim .metric-card-icon {
  background: rgba(16, 185, 129, 0.15);
  color: var(--color-emerald-500);
}

.metric-l1 .metric-card-icon {
  background: rgba(245, 158, 11, 0.15);
  color: var(--color-amber-500);
}

.metric-card-content {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.metric-card-label {
  font-size: 12px;
  font-weight: 600;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.metric-card-value {
  font-size: 28px;
  font-weight: 800;
  color: var(--text-primary);
  font-family: var(--font-mono);
  line-height: 1;
  background: linear-gradient(135deg, var(--text-primary) 0%, var(--text-secondary) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.metric-card-unit {
  font-size: 11px;
  color: var(--text-tertiary);
  font-weight: 500;
}

.metric-card-bar {
  height: 4px;
  background: var(--surface-canvas);
  border-radius: 2px;
  overflow: hidden;
  margin-top: auto;
}

.metric-card-fill {
  height: 100%;
  border-radius: 2px;
  transition: width var(--transition-slow);
}

.metric-psnr .metric-card-fill {
  background: linear-gradient(90deg, var(--color-blue-500), var(--color-blue-600));
}

.metric-ssim .metric-card-fill {
  background: linear-gradient(90deg, var(--color-emerald-500), var(--color-emerald-600));
}

.metric-l1 .metric-card-fill {
  background: linear-gradient(90deg, var(--color-amber-500), var(--color-amber-600));
}

/* 响应式布局 */
@media (max-width: 1200px) {
  .metrics-grid {
    grid-template-columns: 1fr;
  }
  
  .metric-card {
    flex-direction: row;
    align-items: center;
    gap: var(--space-4);
  }
  
  .metric-card-content {
    flex: 1;
  }
  
  .metric-card-bar {
    width: 100px;
    margin-top: 0;
  }
}

@media (max-width: 768px) {
  .metrics-overview-panel {
    padding: var(--space-4);
  }
  
  .metric-card-value {
    font-size: 24px;
  }
}


/* ============================================
   指标概览面板 - 新增样式
   ============================================ */

.metrics-overview-panel {
  background: var(--surface-panel);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-xl);
  padding: var(--space-5);
  margin-bottom: var(--space-5);
  backdrop-filter: blur(10px);
}

.metrics-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-4);
  padding-bottom: var(--space-3);
  border-bottom: 1px solid var(--border-subtle);
}

.metrics-title {
  font-size: 16px;
  font-weight: 700;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.metrics-title::before {
  content: '';
  width: 4px;
  height: 20px;
  background: linear-gradient(180deg, var(--color-blue-500), var(--color-purple-600));
  border-radius: 2px;
}

.metrics-subtitle {
  font-size: 12px;
  color: var(--text-tertiary);
  font-weight: 500;
}

.metrics-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-4);
}

.metric-card {
  background: var(--surface-elevated);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-lg);
  padding: var(--space-4);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  position: relative;
  overflow: hidden;
  transition: all var(--transition-base);
}

.metric-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
  border-color: var(--border-strong);
}

.metric-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  transition: all var(--transition-base);
}

.metric-card.metric-psnr::before {
  background: linear-gradient(90deg, var(--color-blue-500), var(--color-blue-600));
}

.metric-card.metric-ssim::before {
  background: linear-gradient(90deg, var(--color-emerald-500), var(--color-emerald-600));
}

.metric-card.metric-l1::before {
  background: linear-gradient(90deg, var(--color-amber-500), var(--color-amber-600));
}

.metric-card-icon {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.metric-psnr .metric-card-icon {
  background: rgba(59, 130, 246, 0.15);
  color: var(--color-blue-500);
}

.metric-ssim .metric-card-icon {
  background: rgba(16, 185, 129, 0.15);
  color: var(--color-emerald-500);
}

.metric-l1 .metric-card-icon {
  background: rgba(245, 158, 11, 0.15);
  color: var(--color-amber-500);
}

.metric-card-content {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.metric-card-label {
  font-size: 12px;
  font-weight: 600;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.metric-card-value {
  font-size: 28px;
  font-weight: 800;
  color: var(--text-primary);
  font-family: var(--font-mono);
  line-height: 1;
  background: linear-gradient(135deg, var(--text-primary) 0%, var(--text-secondary) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.metric-card-unit {
  font-size: 11px;
  color: var(--text-tertiary);
  font-weight: 500;
}

.metric-card-bar {
  height: 4px;
  background: var(--surface-canvas);
  border-radius: 2px;
  overflow: hidden;
  margin-top: auto;
}

.metric-card-fill {
  height: 100%;
  border-radius: 2px;
  transition: width var(--transition-slow);
}

.metric-psnr .metric-card-fill {
  background: linear-gradient(90deg, var(--color-blue-500), var(--color-blue-600));
}

.metric-ssim .metric-card-fill {
  background: linear-gradient(90deg, var(--color-emerald-500), var(--color-emerald-600));
}

.metric-l1 .metric-card-fill {
  background: linear-gradient(90deg, var(--color-amber-500), var(--color-amber-600));
}

/* 响应式布局 */
@media (max-width: 1200px) {
  .metrics-grid {
    grid-template-columns: 1fr;
  }
  
  .metric-card {
    flex-direction: row;
    align-items: center;
    gap: var(--space-4);
  }
  
  .metric-card-content {
    flex: 1;
  }
  
  .metric-card-bar {
    width: 100px;
    margin-top: 0;
  }
}

@media (max-width: 768px) {
  .metrics-overview-panel {
    padding: var(--space-4);
  }
  
  .metric-card-value {
    font-size: 24px;
  }
}


/* ============================================
   指标概览面板
   ============================================ */

.metrics-overview-panel {
  background: var(--surface-panel);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-xl);
  padding: var(--space-5);
  margin-bottom: var(--space-5);
  backdrop-filter: blur(10px);
}

.metrics-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-4);
  padding-bottom: var(--space-3);
  border-bottom: 1px solid var(--border-subtle);
}

.metrics-title {
  font-size: 16px;
  font-weight: 700;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.metrics-title::before {
  content: '';
  width: 4px;
  height: 20px;
  background: linear-gradient(180deg, var(--color-blue-500), var(--color-purple-600));
  border-radius: 2px;
}

.metrics-subtitle {
  font-size: 12px;
  color: var(--text-tertiary);
  font-weight: 500;
}

.metrics-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-4);
}

.metric-card {
  background: var(--surface-elevated);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-lg);
  padding: var(--space-4);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  position: relative;
  overflow: hidden;
  transition: all var(--transition-base);
}

.metric-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
  border-color: var(--border-strong);
}

.metric-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  transition: all var(--transition-base);
}

.metric-card.metric-psnr::before {
  background: linear-gradient(90deg, var(--color-blue-500), var(--color-blue-600));
}

.metric-card.metric-ssim::before {
  background: linear-gradient(90deg, var(--color-emerald-500), var(--color-emerald-600));
}

.metric-card.metric-l1::before {
  background: linear-gradient(90deg, var(--color-amber-500), var(--color-amber-600));
}

.metric-card-icon {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.metric-psnr .metric-card-icon {
  background: rgba(59, 130, 246, 0.15);
  color: var(--color-blue-500);
}

.metric-ssim .metric-card-icon {
  background: rgba(16, 185, 129, 0.15);
  color: var(--color-emerald-500);
}

.metric-l1 .metric-card-icon {
  background: rgba(245, 158, 11, 0.15);
  color: var(--color-amber-500);
}

.metric-card-content {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.metric-card-label {
  font-size: 12px;
  font-weight: 600;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.metric-card-value {
  font-size: 28px;
  font-weight: 800;
  color: var(--text-primary);
  font-family: var(--font-mono);
  line-height: 1;
  background: linear-gradient(135deg, var(--text-primary) 0%, var(--text-secondary) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.metric-card-unit {
  font-size: 11px;
  color: var(--text-tertiary);
  font-weight: 500;
}

.metric-card-bar {
  height: 4px;
  background: var(--surface-canvas);
  border-radius: 2px;
  overflow: hidden;
  margin-top: auto;
}

.metric-card-fill {
  height: 100%;
  border-radius: 2px;
  transition: width var(--transition-slow);
}

.metric-psnr .metric-card-fill {
  background: linear-gradient(90deg, var(--color-blue-500), var(--color-blue-600));
}

.metric-ssim .metric-card-fill {
  background: linear-gradient(90deg, var(--color-emerald-500), var(--color-emerald-600));
}

.metric-l1 .metric-card-fill {
  background: linear-gradient(90deg, var(--color-amber-500), var(--color-amber-600));
}

/* ============================================
   视图控制按钮
   ============================================ */

.view-controls {
  display: flex;
  gap: var(--space-1);
  background: var(--surface-elevated);
  padding: 4px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-default);
}

.view-btn {
  width: 36px;
  height: 36px;
  border: none;
  background: transparent;
  color: var(--text-tertiary);
  cursor: pointer;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
}

.view-btn:hover {
  color: var(--text-primary);
  background: var(--surface-hover);
}

.view-btn.active {
  background: var(--surface-canvas);
  color: var(--text-primary);
  box-shadow: var(--shadow-sm);
}

/* ============================================
   现代化并排对比布局
   ============================================ */

.compare-container-modern {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: var(--space-4);
  padding: var(--space-4);
  align-items: stretch;
}

.compare-box {
  background: var(--surface-elevated);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-lg);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: all var(--transition-base);
}

.compare-box:hover {
  border-color: var(--border-strong);
  box-shadow: var(--shadow-md);
}

.compare-box-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-3) var(--space-4);
  background: rgba(255, 255, 255, 0.02);
  border-bottom: 1px solid var(--border-subtle);
}

.compare-box-label {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-primary);
}

.compare-box-res {
  font-size: 11px;
  color: var(--text-tertiary);
  font-family: var(--font-mono);
  background: var(--surface-canvas);
  padding: 2px 8px;
  border-radius: var(--radius-sm);
}

.compare-box-image {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--surface-canvas);
  padding: var(--space-4);
  min-height: 200px;
}

.compare-box-image img {
  width: 428.33px;
  height: 378px;
  object-fit: cover;
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-md);
}

.compare-box-download {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-3);
  font-size: 13px;
  font-weight: 600;
  color: var(--text-secondary);
  text-decoration: none;
  border-top: 1px solid var(--border-subtle);
  transition: all var(--transition-fast);
}

.compare-box-download:hover {
  background: var(--surface-hover);
  color: var(--text-primary);
}

.compare-box-download.primary {
  background: linear-gradient(135deg, var(--color-blue-500), var(--color-blue-600));
  color: white;
  border-top: none;
}

.compare-box-download.primary:hover {
  opacity: 0.9;
}

.compare-divider {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  color: var(--text-tertiary);
}

.compare-arrow {
  width: 40px;
  height: 40px;
  background: var(--surface-elevated);
  border: 1px solid var(--border-default);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  font-weight: 700;
}

.compare-info {
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

/* ============================================
   滑块对比视图
   ============================================ */

.slider-compare-container {
  padding: var(--space-4);
  display: flex;
  justify-content: center;
}

.slider-image-wrapper {
  position: relative;
  width: 428.33px;
  height: 378px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--surface-canvas);
  cursor: col-resize;
  user-select: none;
  box-shadow: var(--shadow-lg), 0 0 40px rgba(0, 0, 0, 0.3);
  border: 1px solid var(--border-default);
}

.slider-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.slider-image-overlay {
  position: absolute;
  top: 0;
  left: 0;
  height: 100%;
  overflow: hidden;
  border-right: 0.5px solid white;
}

.slider-image-sr {
  position: absolute;
  top: 0;
  left: 0;
  width: 428.33px;
  height: 378px;
  object-fit: cover;
}

.slider-handle {
  position: absolute;
  top: 0;
  bottom: 0;
  width: 20px;
  transform: translateX(-50%);
  cursor: col-resize;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  z-index: 10;
}

.slider-handle-line {
  position: absolute;
  top: 0;
  bottom: 0;
  width: 0.5px;
  background: white;
}

.slider-handle-button {
  width: 36px;
  height: 36px;
  background: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  color: #333;
  box-shadow: 0 2px 10px rgba(0,0,0,0.2);
  z-index: 11;
}

.slider-label {
  position: absolute;
  top: var(--space-3);
  padding: 6px 14px;
  background: linear-gradient(135deg, rgba(0, 0, 0, 0.8) 0%, rgba(30, 30, 40, 0.9) 100%);
  color: white;
  font-size: 11px;
  font-weight: 700;
  border-radius: var(--radius-md);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  box-shadow: 
    0 2px 8px rgba(0,0,0,0.3),
    inset 0 1px 0 rgba(255,255,255,0.1);
  border: 1px solid rgba(255,255,255,0.15);
  backdrop-filter: blur(4px);
  transition: all 0.2s ease;
}

.slider-label-lr {
  right: var(--space-3);
  border-right: 3px solid var(--color-amber-500);
  border-left: none;
}

.slider-label-sr {
  left: var(--space-3);
  border-right: 3px solid var(--color-blue-500);
  border-left: none;
}

.slider-image-wrapper:hover .slider-label {
  background: linear-gradient(135deg, rgba(0, 0, 0, 0.9) 0%, rgba(20, 20, 30, 0.95) 100%);
  transform: translateY(-2px);
}

/* ============================================
   指标徽章
   ============================================ */

.metric-badge {
  display: inline-flex;
  align-items: center;
  padding: 4px 10px;
  border-radius: var(--radius-sm);
  font-size: 12px;
  font-weight: 600;
  font-family: var(--font-mono);
  margin-right: var(--space-2);
}

.metric-badge.time {
  background: var(--surface-elevated);
  color: var(--text-tertiary);
  border: 1px solid var(--border-default);
}

.metric-badge.psnr {
  background: rgba(59, 130, 246, 0.15);
  color: var(--color-blue-500);
  border: 1px solid rgba(59, 130, 246, 0.3);
}

.metric-badge.ssim {
  background: rgba(16, 185, 129, 0.15);
  color: var(--color-emerald-500);
  border: 1px solid rgba(16, 185, 129, 0.3);
}

.metric-badge.l1 {
  background: rgba(245, 158, 11, 0.15);
  color: var(--color-amber-500);
  border: 1px solid rgba(245, 158, 11, 0.3);
}

/* ============================================
   结果操作按钮
   ============================================ */

.result-actions {
  display: flex;
  gap: var(--space-3);
  padding: var(--space-4);
  justify-content: center;
  border-top: 1px solid var(--border-subtle);
}

/* ============================================
   响应式适配
   ============================================ */

@media (max-width: 1200px) {
  .metrics-grid {
    grid-template-columns: 1fr;
  }
  
  .metric-card {
    flex-direction: row;
    align-items: center;
    gap: var(--space-4);
  }
  
  .metric-card-content {
    flex: 1;
  }
  
  .metric-card-bar {
    width: 100px;
    margin-top: 0;
  }
  
  .compare-container-modern {
    grid-template-columns: 1fr;
    gap: var(--space-3);
  }
  
  .compare-divider {
    flex-direction: row;
    padding: var(--space-2);
  }
  
  .compare-arrow {
    transform: rotate(90deg);
  }
}

@media (max-width: 768px) {
  .metrics-overview-panel {
    padding: var(--space-4);
  }
  
  .metric-card-value {
    font-size: 24px;
  }
  
  .metric-badge {
    font-size: 11px;
    padding: 3px 8px;
  }
}

/* ============================================
   紧凑滑块视图
   ============================================ */

.slider-compare-container.compact {
  max-width: 600px;
  margin: 0 auto;
}

.slider-compare-container.compact .slider-image-wrapper {
  width: 428.33px;
  height: 378px;
}

/* ============================================
   指标显示修复
   ============================================ */

.metric-card-value {
  font-size: 28px;
  font-weight: 800;
  color: var(--text-primary);
  font-family: var(--font-mono);
  line-height: 1;
  /* 移除可能导致问题的渐变文字效果 */
  background: none;
  -webkit-background-clip: unset;
  -webkit-text-fill-color: unset;
}

/* 确保指标面板始终可见 */
.metrics-overview-panel {
  display: block !important;
}

/* 修复进度条显示 */
.metric-card-fill {
  transition: width 0.5s ease-out;
}