/* ============================================
   TUGUOBA PAGE STYLES v1.0
   Additional styles for individual pages
   ============================================ */

/* Footer Styles */
.footer {
  background: linear-gradient(180deg, var(--color-slate-800) 0%, var(--color-slate-900) 100%);
  color: var(--color-slate-300);
  padding: var(--space-16) 0 var(--space-8);
  margin-top: var(--space-16);
}

.footer-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-6);
}

.footer-main {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: var(--space-12);
  padding-bottom: var(--space-10);
  border-bottom: 1px solid var(--color-slate-700);
}

@media (max-width: 768px) {
  .footer-main {
    grid-template-columns: 1fr;
    gap: var(--space-8);
  }
}

/* Brand Section */
.footer-brand {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.footer-brand-link {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  text-decoration: none;
}

.footer-brand-link:hover .footer-brand-name {
  color: var(--color-primary-400);
}

.footer-brand-logo {
  height: 40px;
  width: auto;
  object-fit: contain;
}

.footer-brand-name {
  font-size: var(--text-xl);
  font-weight: 700;
  color: white;
  letter-spacing: var(--tracking-tight);
  transition: color var(--transition-fast);
}

.footer-brand-tagline {
  font-size: var(--text-sm);
  color: var(--color-slate-400);
  margin: 0;
  line-height: var(--leading-relaxed);
}

/* Links Section */
.footer-links-section {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: var(--space-8);
}

.footer-link-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.footer-group-title {
  font-size: var(--text-sm);
  font-weight: 600;
  color: white;
  margin: 0;
  text-transform: uppercase;
  letter-spacing: var(--tracking-wide);
}

.footer-link-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.footer-link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  color: var(--color-slate-400);
  font-size: var(--text-sm);
  padding: var(--space-2) 0;
  transition: all var(--transition-fast);
  text-decoration: none;
}

.footer-link:hover {
  color: white;
}

.footer-link-icon {
  width: 16px;
  height: 16px;
  opacity: 0.7;
  transition: opacity var(--transition-fast);
}

.footer-link:hover .footer-link-icon {
  opacity: 1;
}

.footer-share-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
}

/* Bottom Section */
.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: var(--space-8);
  flex-wrap: wrap;
  gap: var(--space-4);
}

@media (max-width: 640px) {
  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }
}

.footer-copyright {
  font-size: var(--text-sm);
  color: var(--color-slate-500);
  margin: 0;
}

.footer-tagline {
  font-size: var(--text-sm);
  color: var(--color-slate-600);
  margin: 0;
}

/* Scanner Page Styles */
.page-hero {
  background: linear-gradient(135deg, var(--color-slate-700) 0%, var(--color-slate-800) 100%);
  padding: var(--space-12) 0;
  text-align: center;
  color: white;
}

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

.page-subtitle {
  font-size: var(--text-lg);
  color: var(--color-slate-300);
  max-width: 600px;
  margin: 0 auto;
}

.tool-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-6);
  margin-top: var(--space-8);
}

@media (max-width: 1024px) {
  .tool-layout {
    grid-template-columns: 1fr;
  }
}

.control-panel,
.result-panel {
  background: white;
  border-radius: var(--radius-xl);
  padding: var(--space-6);
  box-shadow: var(--shadow-md);
}

.filter-options {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-3);
  margin: var(--space-4) 0;
}

@media (max-width: 640px) {
  .filter-options {
    grid-template-columns: repeat(2, 1fr);
  }
}

.filter-option {
  padding: var(--space-3);
  text-align: center;
  border-radius: var(--radius-lg);
  cursor: pointer;
  transition: all var(--transition-fast);
  border: 2px solid transparent;
  background: var(--bg-tertiary);
}

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

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

.filter-option input[type="radio"] {
  display: none;
}

.filter-option label {
  cursor: pointer;
  display: block;
}

.slider-group {
  margin: var(--space-4) 0;
}

.slider-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--space-2);
}

.slider-label {
  font-weight: 500;
  color: var(--text-primary);
}

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

.slider-track {
  width: 100%;
  height: 6px;
  border-radius: 3px;
  background: var(--color-slate-200);
  position: relative;
  cursor: pointer;
}

.slider-fill {
  height: 100%;
  border-radius: 3px;
  background: var(--color-primary-500);
  transition: width 0.1s;
}

.slider-thumb {
  position: absolute;
  top: 50%;
  transform: translate(-50%, -50%);
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: white;
  border: 2px solid var(--color-primary-500);
  cursor: grab;
  box-shadow: var(--shadow-sm);
}

.slider-thumb:active {
  cursor: grabbing;
}

.scanner-canvas-container {
  background: var(--color-slate-100);
  border-radius: var(--radius-lg);
  min-height: 400px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  position: relative;
}

.scanner-canvas-container canvas {
  max-width: 100%;
  max-height: 100%;
}

.step-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.step-item {
  display: flex;
  align-items: flex-start;
  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: 28px;
  height: 28px;
  background: var(--color-primary-600);
  color: white;
  font-weight: 600;
  border-radius: var(--radius-full);
  flex-shrink: 0;
  font-size: var(--text-sm);
}

.step-text {
  color: var(--text-secondary);
  font-size: var(--text-sm);
  line-height: var(--leading-relaxed);
}

/* Upload zone styling override */
.upload-zone {
  padding: var(--space-8);
  border: 2px dashed var(--border-medium);
  border-radius: var(--radius-xl);
  background-color: var(--bg-tertiary);
  cursor: pointer;
  transition: all var(--transition-normal);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-4);
}

.upload-zone:hover,
.upload-zone.active {
  border-color: var(--color-primary-400);
  background-color: var(--color-primary-50);
}

/* Form styles */
.form-group {
  margin-bottom: var(--space-5);
}

.form-label {
  display: block;
  font-weight: 500;
  color: var(--text-primary);
  margin-bottom: var(--space-2);
}

.form-select {
  width: 100%;
  padding: var(--space-3) var(--space-4);
  font-size: var(--text-base);
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-lg);
  background: white;
  cursor: pointer;
  transition: border-color var(--transition-fast);
}

.form-select:focus {
  outline: none;
  border-color: var(--color-primary-500);
  box-shadow: 0 0 0 3px var(--color-primary-100);
}

/* Pretty checkbox alternative */
.pretty-checkbox {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  cursor: pointer;
  padding: var(--space-2);
  border-radius: var(--radius-md);
  transition: background var(--transition-fast);
}

.pretty-checkbox:hover {
  background: var(--color-primary-50);
}

.pretty-checkbox input {
  display: none;
}

.pretty-checkbox .checkbox-icon {
  width: 18px;
  height: 18px;
  border: 2px solid var(--border-medium);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
}

.pretty-checkbox input:checked + .checkbox-icon {
  background: var(--color-primary-500);
  border-color: var(--color-primary-500);
}

.pretty-checkbox input:checked + .checkbox-icon::after {
  content: '✓';
  color: white;
  font-size: 12px;
  font-weight: bold;
}

/* Alert styles */
.alert {
  padding: var(--space-4);
  border-radius: var(--radius-lg);
  margin-bottom: var(--space-4);
}

.alert-error {
  background: #FEF2F2;
  color: #DC2626;
  border: 1px solid #FECACA;
}

.alert-warning {
  background: #FFFBEB;
  color: #D97706;
  border: 1px solid #FED7AA;
}

.alert-success {
  background: #ECFDF5;
  color: #059669;
  border: 1px solid #A7F3D0;
}

.alert-info {
  background: #EFF6FF;
  color: #2563EB;
  border: 1px solid #BFDBFE;
}

/* Spinner */
.spinner {
  width: 24px;
  height: 24px;
  border: 3px solid var(--color-slate-200);
  border-top-color: var(--color-primary-500);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

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

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

.card-flat {
  background: var(--bg-tertiary);
  box-shadow: var(--shadow-sm);
}

.card-elevated {
  box-shadow: var(--shadow-lg);
}

/* Modal styles */
.modal-backdrop {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.6);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: var(--z-modal-backdrop);
  padding: var(--space-4);
}

.modal-backdrop.open {
  display: flex;
}

.modal {
  background: white;
  border-radius: var(--radius-xl);
  max-width: 90vw;
  max-height: 90vh;
  overflow: auto;
  box-shadow: var(--shadow-xl);
}

.modal.open {
  animation: modalIn 0.2s ease-out;
}

@keyframes modalIn {
  from {
    opacity: 0;
    transform: scale(0.95);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-4) var(--space-6);
  border-bottom: 1px solid var(--border-light);
}

.modal-title {
  font-size: var(--text-lg);
  font-weight: 600;
  margin: 0;
}

.modal-close {
  background: none;
  border: none;
  font-size: 24px;
  cursor: pointer;
  color: var(--text-muted);
  padding: 0;
  line-height: 1;
}

.modal-close:hover {
  color: var(--text-primary);
}

.modal-body {
  padding: var(--space-6);
}

/* Progress bar */
.progress {
  width: 100%;
  height: 8px;
  border-radius: 4px;
  background: var(--color-slate-200);
  overflow: hidden;
}

.progress::-webkit-progress-bar {
  background: var(--color-slate-200);
  border-radius: 4px;
}

.progress::-webkit-progress-value {
  background: var(--color-primary-500);
  border-radius: 4px;
  transition: width 0.3s;
}

.progress::-moz-progress-bar {
  background: var(--color-primary-500);
  border-radius: 4px;
}

/* Utility classes */
.mt-4 { margin-top: var(--space-4); }
.mt-6 { margin-top: var(--space-6); }
.mt-8 { margin-top: var(--space-8); }
.mb-4 { margin-bottom: var(--space-4); }
.mb-6 { margin-bottom: var(--space-6); }
.mb-8 { margin-bottom: var(--space-8); }
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }
.mx-auto { margin-left: auto; margin-right: auto; }
.w-full { width: 100%; }
.hidden { display: none !important; }

/* Grid utilities */
.grid {
  display: grid;
}

.grid-cols-2 {
  grid-template-columns: repeat(2, 1fr);
}

@media (max-width: 640px) {
  .grid-cols-2 {
    grid-template-columns: 1fr;
  }
}

.gap-4 { gap: var(--space-4); }
.gap-6 { gap: var(--space-6); }
.gap-8 { gap: var(--space-8); }

/* Flex utilities */
.flex { display: flex; }
.flex-col { flex-direction: column; }
.items-center { align-items: center; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }
.flex-wrap { flex-wrap: wrap; }
.gap-2 { gap: var(--space-2); }
.gap-3 { gap: var(--space-3); }

/* ============================================
   SCANNER PAGE COMPACT STYLES
   ============================================ */

/* Compact Upload Zone */
.upload-section {
  max-width: 500px;
  margin: 0 auto;
}

.upload-zone-compact {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-4);
  border: 2px dashed var(--border-medium);
  border-radius: var(--radius-lg);
  background-color: var(--bg-tertiary);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.upload-zone-compact:hover {
  border-color: var(--color-primary-400);
  background-color: var(--color-primary-50);
}

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

.upload-zone-icon-sm {
  width: 24px;
  height: 24px;
  color: var(--text-muted);
  flex-shrink: 0;
}

.upload-zone-text-sm {
  font-size: var(--text-sm);
  color: var(--text-secondary);
}

.upload-zone-hint {
  font-size: var(--text-xs);
  color: var(--text-muted);
  margin-left: auto;
}

/* Compact Control Panel */
.control-panel {
  background: white;
  border-radius: var(--radius-lg);
  padding: var(--space-4);
  box-shadow: var(--shadow-sm);
}

.control-panel-title {
  font-size: var(--text-base);
  font-weight: 600;
  margin-bottom: var(--space-4);
  color: var(--text-primary);
}

/* Compact Form Elements */
.form-group-sm {
  margin-bottom: var(--space-3);
}

.form-label-sm {
  display: block;
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: var(--space-2);
}

.form-select-sm {
  width: 100%;
  padding: var(--space-2) var(--space-3);
  font-size: var(--text-sm);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  background: white;
  cursor: pointer;
}

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

/* Compact Filter Chips */
.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-2) var(--space-2);
  background: var(--bg-tertiary);
  border: 1px solid transparent;
  border-radius: var(--radius-md);
  cursor: pointer;
  font-size: var(--text-xs);
  color: var(--text-secondary);
  transition: all var(--transition-fast);
}

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

.filter-chip.active {
  background: var(--color-primary-50);
  border-color: var(--color-primary-500);
  color: var(--color-primary-700);
}

.filter-chip input[type="radio"] {
  display: none;
}

/* Compact Sliders */
.slider-group-sm {
  margin-bottom: var(--space-3);
}

.slider-header-sm {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--space-1);
}

.slider-value-sm {
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--color-primary-600);
}

.slider-track-sm {
  position: relative;
  width: 100%;
  height: 4px;
  background: var(--color-slate-200);
  border-radius: 2px;
  cursor: pointer;
}

/* Compact Checkbox */
.checkbox-label {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  color: var(--text-secondary);
  cursor: pointer;
}

.checkbox-label input[type="checkbox"] {
  width: 14px;
  height: 14px;
  cursor: pointer;
}

/* Compact Result Panel */
.result-panel {
  background: white;
  border-radius: var(--radius-lg);
  padding: var(--space-4);
  box-shadow: var(--shadow-sm);
}

.scanner-canvas-container-sm {
  background: var(--color-slate-100);
  border-radius: var(--radius-md);
  min-height: 300px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  position: relative;
}

.scanner-canvas-container-sm canvas {
  max-width: 100%;
  max-height: 100%;
}

/* Compact Steps */
.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-2) var(--space-3);
  margin-bottom: var(--space-2);
  background: var(--bg-tertiary);
  border-radius: var(--radius-md);
}

.step-number-sm {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 20px;
  height: 20px;
  background: var(--color-primary-500);
  color: white;
  font-weight: 600;
  border-radius: var(--radius-full);
  flex-shrink: 0;
  font-size: var(--text-xs);
}

.step-text-sm {
  color: var(--text-secondary);
  font-size: var(--text-xs);
  line-height: var(--leading-normal);
}

/* Utility */
.mb-6 { margin-bottom: var(--space-6); }
.mt-6 { margin-top: var(--space-6); }

/* ============================================
   COMMON PAGE STYLES
   Extracted from individual HTML templates
   ============================================ */

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

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

.page-subtitle {
  font-size: var(--text-lg);
  color: var(--color-slate-300);
  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 Group */
.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 {
  color: var(--color-slate-600);
  font-weight: 700;
  font-size: var(--text-lg);
}

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

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

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

.radio-option.selected {
  background: var(--color-primary-50);
  border: 2px solid var(--color-primary-500);
}

.radio-option input[type="radio"] {
  display: none;
}

.radio-option input[type="radio"]:checked + .radio-indicator {
  border-color: var(--color-primary-500);
  background: var(--color-primary-500);
}

.radio-option input[type="radio"]:checked + .radio-indicator::after {
  opacity: 1;
}

.radio-indicator {
  width: 18px;
  height: 18px;
  border: 2px solid var(--border-medium);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
}

.radio-indicator::after {
  content: '';
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: white;
  opacity: 0;
  transition: opacity var(--transition-fast);
}

.radio-text {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--text-primary);
}

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

.result-image-container {
  text-align: center;
  margin-bottom: var(--space-4);
}

.result-image {
  max-width: 100%;
  max-height: 400px;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
}

/* Download Section */
.download-section {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  justify-content: center;
  margin-top: var(--space-6);
  padding-top: var(--space-6);
  border-top: 1px solid var(--border-light);
}

/* Share Section */
.share-section {
  margin-top: var(--space-4);
  text-align: center;
}

.share-title {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: var(--space-3);
}

/* Step Guide */
.step-guide {
  margin-top: var(--space-6);
}

.step-title {
  font-size: var(--text-lg);
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: var(--space-4);
  text-align: center;
}

.step-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.step-item {
  display: flex;
  align-items: flex-start;
  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: 28px;
  height: 28px;
  background: var(--color-primary-600);
  color: white;
  font-weight: 600;
  border-radius: var(--radius-full);
  flex-shrink: 0;
  font-size: var(--text-sm);
}

.step-text {
  color: var(--text-secondary);
  font-size: var(--text-sm);
  line-height: var(--leading-relaxed);
}

/* Section spacing */
.section-spacing {
  margin-top: var(--space-8);
}

/* Alert styles */
.alert {
  padding: var(--space-4);
  border-radius: var(--radius-lg);
  margin-bottom: var(--space-4);
  font-size: var(--text-sm);
}

.alert-error {
  background: #FEF2F2;
  color: #DC2626;
  border: 1px solid #FECACA;
}

.alert-warning {
  background: #FFFBEB;
  color: #D97706;
  border: 1px solid #FED7AA;
}

.alert-success {
  background: #ECFDF5;
  color: #059669;
  border: 1px solid #A7F3D0;
}

.alert-info {
  background: #EFF6FF;
  color: #2563EB;
  border: 1px solid #BFDBFE;
}

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

/* Hero Section */
.hero-section {
  background: linear-gradient(135deg, var(--color-primary-600) 0%, var(--color-primary-800) 100%);
  padding: var(--space-16) 0;
  text-align: center;
  color: white;
}

.hero-title {
  font-size: var(--text-4xl);
  font-weight: 700;
  margin-bottom: var(--space-4);
  color: white;
}

.hero-subtitle {
  font-size: var(--text-lg);
  opacity: 0.9;
  max-width: 600px;
  margin: 0 auto var(--space-8);
}

.search-container {
  max-width: 600px;
  margin: 0 auto;
}

.search-input {
  width: 100%;
  padding: var(--space-4) var(--space-6);
  font-size: var(--text-lg);
  border: none;
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-xl);
}

.search-input:focus {
  outline: none;
  box-shadow: 0 0 0 4px rgba(255, 255, 255, 0.3);
}

/* Category Section */
.category-section {
  padding: var(--space-12) 0;
  background: white;
}

.category-title {
  text-align: center;
  margin-bottom: var(--space-8);
  font-size: var(--text-2xl);
  font-weight: 600;
}

.category-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: var(--space-4);
  max-width: 900px;
  margin: 0 auto;
}

.category-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: var(--space-5);
  background: var(--bg-primary);
  border-radius: var(--radius-xl);
  text-decoration: none;
  color: var(--text-primary);
  transition: all var(--transition-normal);
}

.category-card:hover {
  background: var(--color-primary-50);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.category-icon {
  width: 48px;
  height: 48px;
  margin-bottom: var(--space-3);
  color: var(--color-primary-600);
}

.category-name {
  font-size: var(--text-sm);
  font-weight: 500;
  text-align: center;
}

/* Tool Section */
.tool-section {
  padding: var(--space-12) 0;
  background: var(--bg-primary);
}

.tool-container {
  max-width: 1000px;
  margin: 0 auto;
}

.desktop-promo {
  background: linear-gradient(135deg, var(--color-slate-800) 0%, var(--color-slate-900) 100%);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
  margin-bottom: var(--space-8);
  color: white;
}

.desktop-promo-title {
  font-size: var(--text-xl);
  font-weight: 600;
  margin-bottom: var(--space-4);
  color: white;
}

.desktop-promo-links {
  display: flex;
  gap: var(--space-6);
  flex-wrap: wrap;
}

.desktop-promo-link {
  color: var(--color-primary-300);
  text-decoration: none;
  font-weight: 500;
}

.desktop-promo-link:hover {
  color: white;
  text-decoration: underline;
}

.upload-area {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: var(--space-6);
  align-items: start;
  margin-bottom: var(--space-8);
}

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

  .hero-title {
    font-size: var(--text-2xl);
  }

  .category-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.vs-divider {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-4);
  font-size: var(--text-xl);
  font-weight: 700;
  color: var(--color-primary-600);
}

.how-it-works {
  background: white;
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  margin-top: var(--space-8);
}

.how-it-works-title {
  font-size: var(--text-xl);
  font-weight: 600;
  margin-bottom: var(--space-6);
  text-align: center;
}

.steps-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: var(--space-4);
}

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

.step-number {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  background: var(--color-primary-600);
  color: white;
  font-weight: 600;
  border-radius: var(--radius-full);
  flex-shrink: 0;
}

.step-text {
  font-size: var(--text-base);
  color: var(--text-secondary);
}

/* Modal styles for face result */
#face_result_point_show1,
#face_result_point_show2 {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0,0,0,0.8);
  z-index: 1000;
  display: none;
  padding: var(--space-4);
}

#face_result_point_show1.show,
#face_result_point_show2.show {
  display: flex;
  align-items: center;
  justify-content: center;
}

/* ============================================
   FACEAVERAGE PAGE STYLES
   ============================================ */

/* Page Hero Section */
.page-hero {
  background: linear-gradient(135deg, #8B5CF6 0%, #7C3AED 100%);
  padding: var(--space-12) 0;
  text-align: center;
  color: white;
}

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

.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: 1000px;
  margin: 0 auto;
}

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

.mode-select {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-bottom: var(--space-6);
  padding: var(--space-4);
  background: var(--bg-tertiary);
  border-radius: var(--radius-lg);
}

.mode-label {
  font-weight: 600;
  color: var(--text-primary);
  white-space: nowrap;
}

.select-group {
  margin: var(--space-4) 0;
}

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

.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 {
  color: #8B5CF6;
  font-weight: 700;
  font-size: var(--text-lg);
}

.upload-row {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: var(--space-4);
  align-items: start;
  margin-bottom: var(--space-6);
}

@media (max-width: 768px) {
  .upload-row {
    grid-template-columns: 1fr;
  }
  .upload-row .upload-center {
    display: none;
  }
}

.upload-center {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-4);
}

.result-section {
  margin-top: var(--space-8);
}

.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: 28px;
  height: 28px;
  background: #8B5CF6;
  color: white;
  font-weight: 600;
  border-radius: var(--radius-full);
  flex-shrink: 0;
  font-size: var(--text-sm);
}

.step-text {
  color: var(--text-secondary);
  font-size: var(--text-sm);
}

/* ============================================
   TOOL PAGE BASE STYLES
   All tool pages share similar structures with color variations
   ============================================ */

/* 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 */
.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-radius: var(--radius-lg);
  cursor: pointer;
  transition: all var(--transition-fast);
}

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

.radio-option input:checked + span {
  font-weight: 600;
}

/* 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: 28px;
  height: 28px;
  color: white;
  font-weight: 600;
  border-radius: var(--radius-full);
  flex-shrink: 0;
  font-size: var(--text-sm);
}

.step-text {
  color: var(--text-secondary);
  font-size: var(--text-sm);
}

/* 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
   Each tool page uses a different accent color
   ============================================ */

/* 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: #6366F1;
}

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

/* Dark Slate Theme (Scanner Canvas) */
.theme-dark-slate .page-hero {
  background: linear-gradient(135deg, #1E293B 0%, #0F172A 100%);
}
.theme-dark-slate .slider-value,
.theme-dark-slate .step-number {
  color: #1E293B;
}

/* ============================================
   SCANNER PAGE SPECIFIC STYLES
   ============================================ */

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

/* Scanner controls panel */
.scanner-controls {
  background: white;
  border-radius: var(--radius-xl);
  padding: var(--space-6);
  box-shadow: var(--shadow-md);
}

.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;
}

/* Small slider styles */
.slider-group-sm {
  margin: var(--space-4) 0;
}

.slider-header-sm {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--space-2);
}

.slider-value-sm {
  font-weight: 600;
  font-size: var(--text-sm);
}

.slider-track-sm {
  position: relative;
  width: 100%;
  height: 6px;
  background: var(--color-slate-200);
  border-radius: 3px;
  cursor: pointer;
}

/* 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;
}

.step-text-sm {
  font-size: var(--text-sm);
  color: var(--text-secondary);
}

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

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

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

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

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

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