/* ============================================
   TOOL PAGE BASE STYLES
   All tool pages share similar structures with color variations
   
   NOTE: Slider styles have been extracted to slider.css
   Include slider.css separately when using sliders
   ============================================ */

/* Page Hero Section - Base */
.tool-page .page-hero,
.page-hero {
  padding: var(--space-12) 0;
  text-align: center;
  color: white;
}

.tool-page .page-title,
.page-title {
  font-size: var(--text-3xl);
  font-weight: 700;
  color: white;
  margin-bottom: var(--space-2);
}

.tool-page .page-subtitle,
.page-subtitle {
  font-size: var(--text-lg);
  color: rgba(255, 255, 255, 0.9);
  max-width: 600px;
  margin: 0 auto;
}

/* Tool Section */
.tool-section {
  padding: var(--space-8) 0;
}

.tool-container {
  max-width: 800px;
  margin: 0 auto;
}

/* Control Card */
.control-card {
  background: white;
  border-radius: var(--radius-xl);
  padding: var(--space-6);
  box-shadow: var(--shadow-md);
  margin-bottom: var(--space-6);
}

/* Slider Styles - DEPRECATED: Use slider.css instead */
/* Legacy slider styles kept for backward compatibility */
.slider-group {
  margin: var(--space-5) 0;
}

.slider-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--space-3);
}

.slider-label {
  font-weight: 600;
  color: var(--text-primary);
}

.slider-value {
  font-weight: 700;
  font-size: var(--text-lg);
}

/* Radio Group Styles */
.radio-group {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-4);
  margin: var(--space-4) 0;
}

@media (max-width: 640px) {
  .radio-group {
    grid-template-columns: 1fr;
  }
}

.radio-option {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-4);
  background: var(--bg-tertiary);
  border: 2px solid transparent;
  border-radius: var(--radius-lg);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.radio-option:hover {
  background: var(--color-primary-50);
  border-color: var(--color-primary-200);
}

.radio-option input[type="radio"] {
  width: 18px;
  height: 18px;
  accent-color: var(--color-primary-600);
  cursor: pointer;
}

.radio-option input[type="radio"]:checked {
  accent-color: var(--color-primary-600);
}

/* 选中状态的增强视觉效果 */
.radio-option:has(input:checked) {
  background: var(--color-primary-100);
  border-color: var(--color-primary-500);
  box-shadow: 0 0 0 3px var(--color-primary-50);
}

.radio-option:has(input:checked) .radio-text {
  font-weight: 600;
  color: var(--color-primary-700);
}

.radio-text {
  flex: 1;
  font-size: var(--text-base);
  color: var(--text-primary);
  transition: all var(--transition-fast);
}

/* Select Group Styles */
.select-group {
  margin: var(--space-4) 0;
}

.select-label {
  display: block;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: var(--space-2);
}

/* Step List Styles */
.step-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.step-item {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  padding: var(--space-4);
  margin-bottom: var(--space-3);
  background: var(--bg-tertiary);
  border-radius: var(--radius-lg);
}

.step-number {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  color: #1e293b;
  font-weight: 700;
  border-radius: var(--radius-full);
  flex-shrink: 0;
  font-size: var(--text-base);
  background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

/* Upload error/warning styles */
.alert.upload-error,
.alert.upload-warning {
  margin-top: var(--space-4);
  padding: var(--space-4);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  gap: var(--space-3);
  animation: slideIn 0.3s ease;
}

.alert.upload-error {
  background: linear-gradient(135deg, #fef2f2 0%, #fee2e2 100%);
  border: 1px solid #fecaca;
  color: #b91c1c;
}

.alert.upload-error::before {
  content: "!";
  display: flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  background: #dc2626;
  color: white;
  border-radius: 50%;
  font-weight: bold;
  font-size: var(--text-sm);
  flex-shrink: 0;
}

.alert.upload-warning {
  background: linear-gradient(135deg, #fffbeb 0%, #fef3c7 100%);
  border: 1px solid #fcd34d;
  color: #b45309;
}

.alert.upload-warning::before {
  content: "!";
  display: flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  background: #d97706;
  color: white;
  border-radius: 50%;
  font-weight: bold;
  font-size: var(--text-sm);
  flex-shrink: 0;
}

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

/* Alert Banner */
.alert-banner {
  background: var(--color-primary-50);
  border: 1px solid var(--color-primary-200);
  border-radius: var(--radius-lg);
  padding: var(--space-4);
  margin-bottom: var(--space-6);
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
  align-items: center;
}

.alert-banner a {
  font-weight: 500;
  text-decoration: none;
}

/* ============================================
   COLOR THEME VARIANTS
   ============================================ */

/* Emerald Theme (Enhance) */
.theme-emerald .page-hero {
  background: linear-gradient(135deg, #10B981 0%, #059669 100%);
}
.theme-emerald .slider-value,
.theme-emerald .step-number {
  color: #10B981;
}

/* Indigo Theme (Deblur, BgEffect) */
.theme-indigo .page-hero {
  background: linear-gradient(135deg, #6366F1 0%, #4F46E5 100%);
}
.theme-indigo .slider-value,
.theme-indigo .step-number,
.theme-indigo .radio-option input:checked + span,
.theme-indigo .alert-banner a {
  color: #4338ca;
}

/* Purple Theme (Cartoon, FaceAverage) */
.theme-purple .page-hero {
  background: linear-gradient(135deg, #8B5CF6 0%, #7C3AED 100%);
}
.theme-purple .slider-value,
.theme-purple .step-number {
  color: #8B5CF6;
}

/* Pink Theme (ImageFilter) */
.theme-pink .page-hero {
  background: linear-gradient(135deg, #EC4899 0%, #DB2777 100%);
}
.theme-pink .slider-value,
.theme-pink .step-number {
  color: #EC4899;
}

/* Amber Theme (OilPaint) */
.theme-amber .page-hero {
  background: linear-gradient(135deg, #F59E0B 0%, #D97706 100%);
}
.theme-amber .slider-value,
.theme-amber .step-number {
  color: #F59E0B;
}

/* Cyan Theme (Stylization) */
.theme-cyan .page-hero {
  background: linear-gradient(135deg, #06B6D4 0%, #0891B2 100%);
}
.theme-cyan .slider-value,
.theme-cyan .step-number {
  color: #06B6D4;
}

/* Slate Theme (Sketch, Barcode) */
.theme-slate .page-hero {
  background: linear-gradient(135deg, #475569 0%, #334155 100%);
}
.theme-slate .slider-value,
.theme-slate .step-number {
  color: #475569;
}

/* ============================================
   SCANNER PAGE SPECIFIC STYLES
   NOTE: Scanner slider styles moved to slider.css
   ============================================ */

.scanner-canvas-container-sm {
  position: relative;
  min-height: 400px;
  background: var(--color-slate-100);
  border-radius: var(--radius-xl);
  overflow: hidden;
}

.scanner-controls-title {
  font-size: var(--text-lg);
  font-weight: 600;
  margin-bottom: var(--space-4);
}

/* Filter chip styles */
.filter-grid-sm {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-2);
  margin-bottom: var(--space-4);
}

.filter-chip {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-3);
  background: var(--bg-tertiary);
  border-radius: var(--radius-lg);
  cursor: pointer;
  transition: all var(--transition-fast);
  border: 2px solid transparent;
}

.filter-chip:hover {
  background: var(--color-primary-50);
}

.filter-chip.active {
  border-color: var(--color-primary-500);
  background: var(--color-primary-50);
}

.filter-chip input {
  display: none;
}

/* Step list small */
.step-list-sm {
  list-style: none;
  padding: 0;
  margin: 0;
}

.step-item-sm {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3);
  background: var(--bg-tertiary);
  border-radius: var(--radius-lg);
}

.step-number-sm {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  font-size: var(--text-xs);
  font-weight: 600;
  border-radius: var(--radius-full);
  flex-shrink: 0;
}

/* ============================================
   IMAGE FILTER PAGE STYLES
   ============================================ */

.imagefilter-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
  gap: var(--space-3);
  margin-top: var(--space-4);
}

.imagefilter-item {
  aspect-ratio: 1;
  border-radius: var(--radius-lg);
  overflow: hidden;
  cursor: pointer;
  border: 2px solid transparent;
  transition: all var(--transition-fast);
  position: relative;
}

.imagefilter-item:hover {
  transform: scale(1.05);
}

.imagefilter-item.selected {
  border-color: var(--color-primary-500);
}

.imagefilter-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.imagefilter-item span {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: var(--space-2);
  background: rgba(0,0,0,0.7);
  color: white;
  font-size: var(--text-xs);
  text-align: center;
}

/* ============================================
   INPAINT PAGE STYLES
   ============================================ */

.inpaint-canvas-wrapper {
  position: relative;
  background: var(--color-slate-900);
  border-radius: var(--radius-xl);
  padding: var(--space-4);
  margin-bottom: var(--space-6);
}

.inpaint-tools {
  display: flex;
  gap: var(--space-2);
  margin-bottom: var(--space-4);
}

.inpaint-tool-btn {
  padding: var(--space-2) var(--space-4);
  background: var(--bg-tertiary);
  border: none;
  border-radius: var(--radius-lg);
  cursor: pointer;
  font-size: var(--text-sm);
  transition: all var(--transition-fast);
}

.inpaint-tool-btn:hover {
  background: var(--color-primary-100);
}

.inpaint-tool-btn.active {
  background: var(--color-primary-500);
  color: white;
}

.inpaint-brush-size {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-bottom: var(--space-4);
}

.inpaint-brush-size label {
  font-size: var(--text-sm);
  white-space: nowrap;
}

/* ============================================
   BARCODE PAGE STYLES
   ============================================ */

.barcode-result-container {
  background: white;
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  text-align: center;
  box-shadow: var(--shadow-md);
}

.barcode-text {
  font-size: var(--text-lg);
  font-weight: 600;
  margin-bottom: var(--space-4);
}

/* ============================================
   SKETCH PAGE STYLES
   ============================================ */

.sketch-options {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: var(--space-4);
  margin-bottom: var(--space-6);
}

.sketch-option {
  padding: var(--space-4);
  background: var(--bg-tertiary);
  border-radius: var(--radius-lg);
  text-align: center;
  cursor: pointer;
  transition: all var(--transition-fast);
  border: 2px solid transparent;
}

.sketch-option:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.sketch-option.selected {
  border-color: var(--color-primary-500);
  background: var(--color-primary-50);
}

.sketch-option svg {
  width: 32px;
  height: 32px;
  margin-bottom: var(--space-2);
}

/* ============================================
   OIL PAINT PAGE STYLES
   ============================================ */

.oilpaint-preview {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-4);
  margin-bottom: var(--space-6);
}

.oilpaint-preview-item {
  text-align: center;
}

.oilpaint-preview-item img {
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
}

.oilpaint-preview-item p {
  margin-top: var(--space-2);
  font-size: var(--text-sm);
  color: var(--text-secondary);
}

/* ============================================
   STYLIZATION PAGE STYLES
   ============================================ */

.style-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: var(--space-4);
  margin-bottom: var(--space-6);
}

.style-card {
  border-radius: var(--radius-xl);
  overflow: hidden;
  cursor: pointer;
  transition: all var(--transition-normal);
  border: 3px solid transparent;
}

.style-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.style-card.selected {
  border-color: var(--color-primary-500);
}

.style-card img {
  width: 100%;
  aspect-ratio: 16/9;
  object-fit: cover;
}

.style-card-name {
  padding: var(--space-3);
  background: white;
  font-weight: 500;
  font-size: var(--text-sm);
  text-align: center;
}

/* ============================================
   BG EFFECT PAGE STYLES
   ============================================ */

.bg-effect-options {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: var(--space-3);
  margin-bottom: var(--space-6);
}

.bg-effect-option {
  padding: var(--space-4);
  background: var(--bg-tertiary);
  border-radius: var(--radius-lg);
  text-align: center;
  cursor: pointer;
  transition: all var(--transition-fast);
  border: 2px solid transparent;
}

.bg-effect-option:hover {
  background: var(--color-primary-50);
}

.bg-effect-option.selected {
  border-color: var(--color-primary-500);
  background: var(--color-primary-50);
}

.bg-effect-option svg {
  width: 32px;
  height: 32px;
  margin-bottom: var(--space-2);
}

.bg-effect-option span {
  display: block;
  font-size: var(--text-sm);
  font-weight: 500;
}

/* ============================================
   FACESWAP ONIMAGE PAGE STYLES
   ============================================ */

.faceswap-instructions {
  background: var(--color-primary-50);
  border: 1px solid var(--color-primary-200);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
  margin-bottom: var(--space-6);
}

.faceswap-instructions h3 {
  margin-top: 0;
  margin-bottom: var(--space-4);
}

.faceswap-instructions ol {
  margin: 0;
  padding-left: var(--space-6);
}

.faceswap-instructions li {
  margin-bottom: var(--space-2);
  color: var(--text-secondary);
}

.face-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(100px, 1fr));
  gap: var(--space-3);
  margin-top: var(--space-4);
}

.face-item {
  aspect-ratio: 1;
  border-radius: var(--radius-lg);
  overflow: hidden;
  cursor: pointer;
  border: 2px solid transparent;
  transition: all var(--transition-fast);
}

.face-item:hover {
  border-color: var(--color-primary-300);
}

.face-item.selected {
  border-color: var(--color-primary-500);
}

.face-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* ============================================
   FILE UPLOAD STYLES
   ============================================ */

.file-upload-hidden {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
  overflow: hidden;
  z-index: -1;
}

.upload-zone.drag-over {
  border-color: var(--color-primary-500);
  background: var(--color-primary-50);
  border-style: solid;
}

/* ============================================
   LANGUAGE SELECTOR STYLES
   ============================================ */

.language-selector {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.language-selector select {
  padding: var(--space-2) var(--space-4);
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-lg);
  background: white;
  font-size: var(--text-sm);
  cursor: pointer;
}

.language-selector select:focus {
  outline: none;
  border-color: var(--color-primary-500);
}

/* ============================================
   IMAGE ENHANCE PAGE STYLES
   ============================================ */

.enhance-options-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-4);
  margin-bottom: var(--space-6);
}

.enhance-option-card {
  background: var(--bg-tertiary);
  border-radius: var(--radius-lg);
  padding: var(--space-4);
  cursor: pointer;
  transition: all var(--transition-fast);
  border: 2px solid transparent;
}

.enhance-option-card:hover {
  background: var(--color-primary-50);
}

.enhance-option-card.selected {
  border-color: var(--color-primary-500);
  background: var(--color-primary-50);
}

.enhance-option-card h4 {
  margin: 0 0 var(--space-2);
  font-size: var(--text-base);
}

.enhance-option-card p {
    margin: 0;
    font-size: var(--text-sm);
    color: var(--text-secondary);
}

/* Guide Image - Consistent width */
.guide-image-card {
    margin-top: var(--space-8);
    text-align: center;
}

.guide-image-card img {
    max-width: 100%;
    height: auto;
    border-radius: var(--radius-lg);
}

/* Upload Area - Consistent height */
.upload-area {
    display: flex;
    justify-content: space-between;
    align-items: stretch;
    gap: var(--space-6);
    width: 100%;
}

.upload-item {
    flex: 1;
    display: flex;
    flex-direction: column;
    min-height: 280px;
}

.upload-item-left {
    order: 1;
}

.upload-item-right {
    order: 2;
}

.upload-item .card {
    flex: 1;
    display: flex;
    flex-direction: column;
}

.upload-item .card > h3 {
    flex-shrink: 0;
}

.upload-item .card > .upload-zone {
    flex: 1;
}

.upload-item .card > progress {
    flex-shrink: 0;
}

.upload-item .card > .image-preview-container {
    flex-shrink: 0;
}

.file-input-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

@media (max-width: 768px) {
    .upload-area {
        flex-direction: column;
        align-items: center;
    }
    
    .upload-item {
        max-width: 100%;
        width: 100%;
        min-height: auto;
    }
    
    .upload-item-left {
        order: 1;
    }
    
    .upload-item-right {
        order: 2;
    }
}

/* Result Image - Centered */
.result-image-container {
    text-align: center;
}

.result-image-container img {
    display: block;
    max-width: 100%;
    max-height: 400px;
    margin: 0 auto;
}

/* Desktop Promo Card */
.desktop-promo-card {
    display: flex;
    gap: var(--space-6);
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: var(--radius-2xl);
    padding: var(--space-8);
    margin-bottom: var(--space-8);
    color: white;
    box-shadow: 0 10px 40px rgba(102, 126, 234, 0.3);
}

.desktop-promo-icon {
    flex-shrink: 0;
    width: 80px;
    height: 80px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-xl);
    display: flex;
    align-items: center;
    justify-content: center;
}

.desktop-promo-icon svg {
    width: 40px;
    height: 40px;
}

.desktop-promo-content {
    flex: 1;
}

.desktop-promo-title {
    font-size: var(--text-2xl);
    font-weight: 700;
    margin: 0 0 var(--space-3);
    color: white;
}

.desktop-promo-desc {
    font-size: var(--text-base);
    color: rgba(255, 255, 255, 0.9);
    margin: 0 0 var(--space-5);
    line-height: var(--leading-relaxed);
}

.desktop-promo-features {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-3);
    margin-bottom: var(--space-6);
}

.feature-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-3);
    background: rgba(255, 255, 255, 0.15);
    border-radius: var(--radius-full);
    font-size: var(--text-sm);
    font-weight: 500;
}

.feature-badge svg {
    width: 14px;
    height: 14px;
    color: #a7f3d0;
}

.desktop-promo-links {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-3);
}

.desktop-promo-links .btn-outline {
    background: transparent;
    border: 2px solid rgba(255, 255, 255, 0.5);
    color: white;
}

.desktop-promo-links .btn-outline:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: white;
}

@media (max-width: 640px) {
    .desktop-promo-card {
        flex-direction: column;
        text-align: center;
        padding: var(--space-6);
    }

    .desktop-promo-icon {
        margin: 0 auto;
    }

    .desktop-promo-features {
        justify-content: center;
    }

    .desktop-promo-links {
        justify-content: center;
    }
}


/* ============================================
   IMAGE DISPLAY FIX - Scale to fit container
   ============================================ */

/* Guide Image */
.guide-image-card {
    margin-top: var(--space-8);
    text-align: center;
}

.guide-image-card img {
    max-width: 100%;
    width: auto;
    height: auto;
    min-width: auto;
    max-height: 500px;
    margin: 0 auto;
    border-radius: var(--radius-lg);
}

/* Result Image */
.result-image-container {
    text-align: center;
}

.result-image-container img {
    display: block;
    max-width: 100%;
    width: auto;
    height: auto;
    min-width: auto;
    max-height: 400px;
    margin: 0 auto;
}

/* Image Preview Container */
.image-preview-container {
    text-align: center;
}

.image-preview-container img,
.clickable-image {
    display: block;
    max-width: 100%;
    width: auto;
    height: auto;
    min-width: auto;
    max-height: 400px;
    margin: 0 auto;
}