/* ==========================================================================
   COLOR-MIX CSS - Demo específico
   Colores de brand: #2448A6 (azul) y #F5B841 (dorado)
   ========================================================================== */

/* ==========================================================================
   DEMO HEADER Y NAVEGACIÓN (REUTILIZABLE)
   ========================================================================== */

.demo-header {
  background: var(--background);
  border-bottom: 1px solid var(--border-color);
  position: sticky;
  top: 0;
  z-index: var(--z-sticky);
  backdrop-filter: blur(10px);
  padding: var(--spacing-lg) 0;
}

.demo-nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--spacing-lg);
}

.back-link {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  color: var(--text-secondary);
  text-decoration: none;
  font-weight: 500;
  transition: all var(--transition-fast);
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--border-radius);
  border: 1px solid transparent;
}

.back-link:hover {
  color: var(--primary-color);
  background: color-mix(in srgb, var(--primary-color) 8%, transparent);
  border-color: var(--primary-color);
  transform: translateX(-2px);
}

.back-link svg {
  transition: transform var(--transition-fast);
}

.back-link:hover svg {
  transform: translateX(-2px);
}

.header-brand {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
}

.brand-logo {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}

.brand-logo img {
  width: 60px;
  height: 60px;
  object-fit: contain;
  filter: drop-shadow(0 2px 4px color-mix(in srgb, var(--primary-color) 20%, transparent));
  transition: transform var(--transition-normal);
}

.brand-logo:hover img {
  transform: scale(1.05);
}

.brand-name {
  font-weight: 600;
  color: var(--text-primary);
  font-size: var(--font-size-base);
}

/* ==========================================================================
   THEME TOGGLE (REUTILIZABLE)
   ========================================================================== */

.theme-toggle {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background: var(--surface);
  border: 2px solid var(--border-color);
  border-radius: 50%;
  cursor: pointer;
  transition: all var(--transition-normal);
  overflow: hidden;
  flex-shrink: 0;
}

.theme-toggle:hover {
  background: var(--primary-color);
  border-color: var(--primary-color);
  transform: scale(1.05);
  box-shadow: 0 8px 25px color-mix(in srgb, var(--primary-color) 30%, transparent);
}

.theme-toggle:hover .theme-toggle__icon {
  color: var(--brand-white);
}

.theme-toggle:active {
  transform: scale(0.95);
}

.theme-toggle__icon {
  position: absolute;
  width: 18px;
  height: 18px;
  color: var(--text-primary);
  transition: all var(--transition-normal);
  transform-origin: center;
}

:root[data-theme="light"] .theme-toggle__icon--sun,
:root:not([data-theme]) .theme-toggle__icon--sun {
  opacity: 1;
  transform: rotate(0deg) scale(1);
}

:root[data-theme="light"] .theme-toggle__icon--moon,
:root:not([data-theme]) .theme-toggle__icon--moon {
  opacity: 0;
  transform: rotate(180deg) scale(0.5);
}

:root[data-theme="dark"] .theme-toggle__icon--sun {
  opacity: 0;
  transform: rotate(-180deg) scale(0.5);
}

:root[data-theme="dark"] .theme-toggle__icon--moon {
  opacity: 1;
  transform: rotate(0deg) scale(1);
}

.theme-toggle:focus-visible {
  outline: 3px solid var(--primary-color);
  outline-offset: 3px;
}

/* ==========================================================================
   MAIN CONTENT
   ========================================================================== */

.demo-main {
  padding: var(--spacing-3xl) 0;
}

/* ==========================================================================
   DEMO HERO SECTION
   ========================================================================== */

.demo-hero {
  text-align: center;
  margin-bottom: var(--spacing-3xl);
  padding: var(--spacing-3xl) 0;
  background: linear-gradient(135deg, 
    color-mix(in srgb, var(--primary-color) 5%, var(--background)) 0%,
    color-mix(in srgb, var(--secondary-color) 3%, var(--background)) 100%
  );
  border-radius: var(--border-radius-large);
  position: relative;
  overflow: hidden;
}

.demo-hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: 
    radial-gradient(circle at 20% 80%, color-mix(in srgb, var(--primary-color) 10%, transparent) 0%, transparent 70%),
    radial-gradient(circle at 80% 20%, color-mix(in srgb, var(--secondary-color) 10%, transparent) 0%, transparent 70%);
  z-index: -1;
}

.demo-hero__badge {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-lg);
}

.badge-text {
  font-size: var(--font-size-sm);
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  font-weight: 600;
}

.badge-tag {
  background: var(--secondary-color);
  color: var(--text-primary);
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--border-radius);
  font-size: var(--font-size-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.demo-hero__title {
  font-size: var(--font-size-3xl);
  font-weight: 800;
  color: var(--text-primary);
  margin-bottom: var(--spacing-lg);
  line-height: 1.1;
}

.title-highlight {
  display: block;
  background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  font-weight: 900;
  margin-top: var(--spacing-sm);
}

.demo-hero__description {
  font-size: var(--font-size-lg);
  color: var(--text-secondary);
  line-height: 1.6;
  max-width: 800px;
  margin: 0 auto var(--spacing-2xl);
}

.demo-hero__features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--spacing-lg);
  max-width: 600px;
  margin: 0 auto;
}

.feature-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  padding: var(--spacing-lg);
  background: color-mix(in srgb, var(--surface) 80%, transparent);
  border-radius: var(--border-radius);
  border: 1px solid var(--border-color);
  backdrop-filter: blur(10px);
}

.feature-icon {
  font-size: 1.5rem;
  flex-shrink: 0;
}

.feature-text {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
  text-align: left;
}

.feature-text strong {
  color: var(--text-primary);
  font-weight: 600;
  font-size: var(--font-size-sm);
}

.feature-text span {
  color: var(--text-muted);
  font-size: var(--font-size-xs);
}

/* ==========================================================================
   SECTION TITLES
   ========================================================================== */

.section-title {
  font-size: var(--font-size-2xl);
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: var(--spacing-lg);
  text-align: center;
  position: relative;
}

.section-title::after {
  content: '';
  position: absolute;
  left: 50%;
  bottom: -8px;
  transform: translateX(-50%);
  width: 60px;
  height: 3px;
  background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
  border-radius: 2px;
}

.section-subtitle {
  display: block;
  font-size: var(--font-size-base);
  font-weight: 400;
  color: var(--text-secondary);
  margin-top: var(--spacing-sm);
}

/* ==========================================================================
   PLAYGROUND SECTION
   ========================================================================== */

.playground-section {
  margin-bottom: var(--spacing-3xl);
}

.playground-container {
  display: grid;
  grid-template-columns: 400px 1fr;
  gap: var(--spacing-2xl);
  margin-top: var(--spacing-2xl);
}

/* ==========================================================================
   PLAYGROUND CONTROLS
   ========================================================================== */

.playground-controls {
  background: var(--surface);
  border-radius: var(--border-radius-large);
  border: 1px solid var(--border-color);
  padding: var(--spacing-xl);
  position: sticky;
  top: calc(var(--spacing-3xl) + 70px);
  align-self: start;
  max-height: calc(100vh - 150px);
  overflow-y: auto;
}

.controls-title {
  font-size: var(--font-size-xl);
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: var(--spacing-xl);
  padding-bottom: var(--spacing-md);
  border-bottom: 2px solid var(--border-color);
}

.control-group {
  margin-bottom: var(--spacing-xl);
}

.control-label {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--spacing-sm);
}

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

.label-value {
  font-family: 'SF Mono', Monaco, 'Cascadia Code', 'Roboto Mono', monospace;
  font-size: var(--font-size-sm);
  color: var(--primary-color);
  font-weight: 600;
}

/* ==========================================================================
   COLOR INPUTS
   ========================================================================== */

.color-input-wrapper {
  display: flex;
  gap: var(--spacing-sm);
}

.color-input {
  width: 60px;
  height: 60px;
  border: 2px solid var(--border-color);
  border-radius: var(--border-radius);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.color-input:hover {
  border-color: var(--primary-color);
  transform: scale(1.05);
}

.hex-input {
  flex: 1;
  padding: var(--spacing-md);
  border: 2px solid var(--border-color);
  border-radius: var(--border-radius);
  background: var(--background);
  color: var(--text-primary);
  font-family: 'SF Mono', Monaco, 'Cascadia Code', 'Roboto Mono', monospace;
  font-size: var(--font-size-sm);
  transition: all var(--transition-fast);
  text-transform: uppercase;
}

.hex-input:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--primary-color) 15%, transparent);
}

/* ==========================================================================
   RANGE SLIDER
   ========================================================================== */

.range-slider {
  width: 100%;
  height: 8px;
  border-radius: 4px;
  background: linear-gradient(to right, 
    var(--primary-color) 0%, 
    var(--secondary-color) 100%
  );
  outline: none;
  cursor: pointer;
  -webkit-appearance: none;
  margin: var(--spacing-md) 0;
}

.range-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--brand-white);
  border: 3px solid var(--primary-color);
  cursor: pointer;
  transition: all var(--transition-fast);
  box-shadow: 0 2px 8px rgba(0,0,0,0.2);
}

.range-slider::-webkit-slider-thumb:hover {
  transform: scale(1.2);
  box-shadow: 0 4px 12px rgba(0,0,0,0.3);
}

.range-slider::-moz-range-thumb {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--brand-white);
  border: 3px solid var(--primary-color);
  cursor: pointer;
  transition: all var(--transition-fast);
  box-shadow: 0 2px 8px rgba(0,0,0,0.2);
}

.range-slider::-moz-range-thumb:hover {
  transform: scale(1.2);
  box-shadow: 0 4px 12px rgba(0,0,0,0.3);
}

.slider-labels {
  display: flex;
  justify-content: space-between;
  font-size: var(--font-size-xs);
  color: var(--text-muted);
}

/* ==========================================================================
   SELECT Y OTROS INPUTS
   ========================================================================== */

.color-space-select {
  width: 100%;
  padding: var(--spacing-md);
  border: 2px solid var(--border-color);
  border-radius: var(--border-radius);
  background: var(--background);
  color: var(--text-primary);
  font-size: var(--font-size-sm);
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.color-space-select:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--primary-color) 15%, transparent);
}

.color-space-info {
  margin-top: var(--spacing-sm);
  font-size: var(--font-size-xs);
  color: var(--text-muted);
  font-style: italic;
}

/* ==========================================================================
   PRESET BUTTONS
   ========================================================================== */

.preset-buttons {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-sm);
}

.preset-btn {
  padding: var(--spacing-sm) var(--spacing-md);
  border: 2px solid var(--border-color);
  background: var(--background);
  color: var(--text-primary);
  border-radius: var(--border-radius);
  font-size: var(--font-size-xs);
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-fast);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-xs);
}

.preset-btn:hover {
  border-color: var(--primary-color);
  background: color-mix(in srgb, var(--primary-color) 8%, var(--background));
  transform: translateY(-2px);
}

.preset-btn:active {
  transform: translateY(0);
}

/* ==========================================================================
   GENERATED CODE
   ========================================================================== */

.generated-code {
  background: var(--background);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  padding: var(--spacing-md);
  font-family: 'SF Mono', Monaco, 'Cascadia Code', 'Roboto Mono', monospace;
  font-size: var(--font-size-xs);
  color: var(--text-primary);
  overflow-x: auto;
  position: relative;
  cursor: pointer;
  transition: background-color var(--transition-fast);
}

.generated-code:hover {
  background: color-mix(in srgb, var(--secondary-color) 5%, var(--background));
}

.generated-code code {
  background: none;
  padding: 0;
  color: var(--text-primary);
}

.copy-code-btn {
  background: var(--primary-color);
  color: var(--brand-white);
  border: none;
  width: 32px;
  height: 32px;
  border-radius: var(--border-radius);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.copy-code-btn:hover {
  background: var(--primary-dark);
  transform: scale(1.1);
}

/* ==========================================================================
   PLAYGROUND PREVIEW
   ========================================================================== */

.playground-preview {
  background: var(--surface);
  border-radius: var(--border-radius-large);
  border: 1px solid var(--border-color);
  padding: var(--spacing-2xl);
}

.preview-title {
  font-size: var(--font-size-xl);
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: var(--spacing-xl);
  padding-bottom: var(--spacing-md);
  border-bottom: 2px solid var(--border-color);
}

/* ==========================================================================
   COLOR CIRCLE
   ========================================================================== */

.color-preview {
  margin-bottom: var(--spacing-2xl);
}

.color-circle {
  width: 200px;
  height: 200px;
  border-radius: 50%;
  margin: 0 auto var(--spacing-xl);
  box-shadow: 
    0 10px 30px rgba(0,0,0,0.2),
    inset 0 0 0 4px rgba(255,255,255,0.2);
  transition: all var(--transition-normal);
  position: relative;
}

.color-circle::after {
  content: '';
  position: absolute;
  inset: -10px;
  border-radius: 50%;
  background: radial-gradient(circle, transparent 60%, currentColor);
  opacity: 0.1;
  pointer-events: none;
  animation: pulse 3s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { transform: scale(1); opacity: 0.1; }
  50% { transform: scale(1.1); opacity: 0.2; }
}

.color-info {
  background: var(--background);
  border-radius: var(--border-radius);
  padding: var(--spacing-lg);
  border: 1px solid var(--border-color);
}

.color-info-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--spacing-sm) 0;
}

.color-info-row:not(:last-child) {
  border-bottom: 1px solid var(--border-color);
}

.info-label {
  font-weight: 600;
  color: var(--text-secondary);
  font-size: var(--font-size-sm);
}

.info-value {
  font-family: 'SF Mono', Monaco, 'Cascadia Code', 'Roboto Mono', monospace;
  font-size: var(--font-size-sm);
  color: var(--primary-color);
  font-weight: 600;
}

/* ==========================================================================
   COLOR COMPARISON
   ========================================================================== */

.color-comparison {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-2xl);
  padding: var(--spacing-xl);
  background: var(--background);
  border-radius: var(--border-radius);
  border: 1px solid var(--border-color);
}

.comparison-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-sm);
}

.comparison-swatch {
  width: 60px;
  height: 60px;
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-md);
  transition: transform var(--transition-fast);
}

.comparison-swatch:hover {
  transform: scale(1.1);
}

.comparison-label {
  font-size: var(--font-size-xs);
  color: var(--text-muted);
  font-weight: 600;
  text-align: center;
}

.comparison-arrow {
  color: var(--text-muted);
  display: flex;
  align-items: center;
}

/* ==========================================================================
   COMPONENT EXAMPLES
   ========================================================================== */

.component-examples {
  margin-top: var(--spacing-2xl);
}

.examples-title {
  font-size: var(--font-size-base);
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: var(--spacing-lg);
}

/* Example Buttons */
.example-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-xl);
}

.example-btn {
  padding: var(--spacing-md) var(--spacing-xl);
  border: none;
  border-radius: var(--border-radius);
  font-weight: 600;
  font-size: var(--font-size-sm);
  cursor: pointer;
  transition: all var(--transition-fast);
  box-shadow: var(--shadow-sm);
}

.example-btn--normal {
  background: var(--primary-color);
  color: var(--brand-white);
}

.example-btn--normal:hover {
  background: color-mix(in srgb, var(--primary-color) 90%, white);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.example-btn--hover {
  background: color-mix(in srgb, var(--primary-color) 80%, white);
  color: var(--brand-white);
}

.example-btn--hover:hover {
  background: color-mix(in srgb, var(--primary-color) 70%, white);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.example-btn--active {
  background: color-mix(in srgb, var(--primary-color) 70%, black);
  color: var(--brand-white);
}

.example-btn--active:hover {
  background: color-mix(in srgb, var(--primary-color) 60%, black);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

/* Example Card */
.example-card {
  background: color-mix(in srgb, var(--primary-color) 5%, var(--surface));
  border: 1px solid color-mix(in srgb, var(--primary-color) 20%, transparent);
  border-radius: var(--border-radius);
  overflow: hidden;
  transition: all var(--transition-normal);
  margin-bottom: var(--spacing-xl);
}

.example-card:hover {
  background: color-mix(in srgb, var(--primary-color) 10%, var(--surface));
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.example-card-header {
  padding: var(--spacing-lg);
  background: color-mix(in srgb, var(--primary-color) 10%, transparent);
  color: var(--text-primary);
  font-weight: 600;
  border-bottom: 1px solid var(--border-color);
}

.example-card-body {
  padding: var(--spacing-lg);
  color: var(--text-secondary);
  font-size: var(--font-size-sm);
}

/* Example Badges */
.example-badges {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
}

.example-badge {
  padding: var(--spacing-xs) var(--spacing-md);
  border-radius: var(--border-radius);
  font-size: var(--font-size-xs);
  font-weight: 600;
  transition: all var(--transition-fast);
}

.example-badge:nth-child(1) {
  background: var(--primary-color);
  color: var(--brand-white);
}

.example-badge--light {
  background: color-mix(in srgb, var(--primary-color) 30%, white);
  color: var(--primary-color);
}

.example-badge--lighter {
  background: color-mix(in srgb, var(--primary-color) 10%, white);
  color: var(--primary-color);
  border: 1px solid color-mix(in srgb, var(--primary-color) 30%, transparent);
}

/* ==========================================================================
   COLOR SPACE SECTION
   ========================================================================== */

.color-space-section {
  margin-bottom: var(--spacing-3xl);
}

.color-space-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--spacing-xl);
  margin-top: var(--spacing-2xl);
}

.space-card {
  background: var(--surface);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-large);
  padding: var(--spacing-xl);
  transition: all var(--transition-normal);
}

.space-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--primary-color);
}

.space-preview {
  width: 100%;
  height: 120px;
  border-radius: var(--border-radius);
  margin-bottom: var(--spacing-lg);
  box-shadow: var(--shadow-md);
  position: relative;
  overflow: hidden;
}

.space-preview::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(45deg, rgba(255,255,255,0.1) 25%, transparent 25%, transparent 75%, rgba(255,255,255,0.1) 75%);
  background-size: 20px 20px;
}

.space-preview--srgb {
  background: linear-gradient(90deg, 
    #2448A6 0%, 
    color-mix(in srgb, #2448A6 50%, #F5B841) 50%, 
    #F5B841 100%
  );
}

.space-preview--oklch {
  background: linear-gradient(90deg, 
    #2448A6 0%, 
    color-mix(in oklch, #2448A6 50%, #F5B841) 50%, 
    #F5B841 100%
  );
}

.space-preview--hsl {
  background: linear-gradient(90deg, 
    #2448A6 0%, 
    color-mix(in hsl, #2448A6 50%, #F5B841) 50%, 
    #F5B841 100%
  );
}

.space-title {
  font-size: var(--font-size-lg);
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: var(--spacing-md);
}

.space-description {
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: var(--spacing-md);
}

.space-code {
  display: block;
  background: var(--background);
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--border-radius);
  font-family: 'SF Mono', Monaco, 'Cascadia Code', 'Roboto Mono', monospace;
  font-size: var(--font-size-xs);
  color: var(--primary-color);
  border: 1px solid var(--border-color);
}

/* ==========================================================================
   EXAMPLES GALLERY SECTION
   ========================================================================== */

.examples-gallery-section {
  margin-bottom: var(--spacing-3xl);
}

.examples-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-xl);
  margin-top: var(--spacing-2xl);
}

.example-preset-card {
  background: var(--surface);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-large);
  padding: var(--spacing-xl);
  cursor: pointer;
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.example-preset-card::before {
  content: '👆 Click para probar';
  position: absolute;
  top: var(--spacing-md);
  right: var(--spacing-md);
  background: var(--primary-color);
  color: var(--brand-white);
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--border-radius);
  font-size: var(--font-size-xs);
  font-weight: 600;
  opacity: 0;
  transform: translateY(-10px);
  transition: all var(--transition-fast);
}

.example-preset-card:hover::before {
  opacity: 1;
  transform: translateY(0);
}

.example-preset-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--primary-color);
}

.example-preset-card:active {
  transform: translateY(-2px);
}

.preset-preview {
  display: flex;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-lg);
  height: 80px;
}

.preset-swatch {
  flex: 1;
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-fast);
}

.example-preset-card:hover .preset-swatch {
  transform: scale(1.05);
}

.preset-preview--gradient .preset-gradient {
  width: 100%;
  height: 80px;
  border-radius: var(--border-radius);
  background: linear-gradient(90deg, 
    #2448A6 0%,
    color-mix(in oklch, #2448A6 75%, #F5B841) 25%,
    color-mix(in oklch, #2448A6 50%, #F5B841) 50%,
    color-mix(in oklch, #2448A6 25%, #F5B841) 75%,
    #F5B841 100%
  );
  box-shadow: var(--shadow-sm);
}

.preset-title {
  font-size: var(--font-size-lg);
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: var(--spacing-sm);
}

.preset-description {
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
  line-height: 1.5;
  margin-bottom: var(--spacing-md);
}

.preset-code {
  display: block;
  background: var(--background);
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--border-radius);
  font-family: 'SF Mono', Monaco, 'Cascadia Code', 'Roboto Mono', monospace;
  font-size: var(--font-size-xs);
  color: var(--primary-color);
  border: 1px solid var(--border-color);
  overflow-x: auto;
}

/* ==========================================================================
   COMPARISON SECTION (Con vs Sin)
   ========================================================================== */

.comparison-section {
  margin-bottom: var(--spacing-3xl);
}

.comparison-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
  gap: var(--spacing-2xl);
  margin-top: var(--spacing-2xl);
}

.comparison-column {
  background: var(--surface);
  border: 2px solid var(--border-color);
  border-radius: var(--border-radius-large);
  padding: var(--spacing-2xl);
  transition: all var(--transition-normal);
}

.comparison-column--without {
  border-color: color-mix(in srgb, red 30%, var(--border-color));
}

.comparison-column--without:hover {
  border-color: color-mix(in srgb, red 50%, var(--border-color));
  box-shadow: 0 8px 25px color-mix(in srgb, red 10%, transparent);
}

.comparison-column--with {
  border-color: color-mix(in srgb, green 30%, var(--border-color));
}

.comparison-column--with:hover {
  border-color: color-mix(in srgb, green 50%, var(--border-color));
  box-shadow: 0 8px 25px color-mix(in srgb, green 10%, transparent);
}

.comparison-header {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-xl);
  padding-bottom: var(--spacing-lg);
  border-bottom: 2px solid var(--border-color);
}

.comparison-icon {
  font-size: 2rem;
}

.comparison-header h3 {
  font-size: var(--font-size-xl);
  font-weight: 700;
  color: var(--text-primary);
}

.comparison-content h4 {
  font-size: var(--font-size-base);
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: var(--spacing-md);
}

.comparison-list {
  list-style: none;
  padding: 0;
  margin-bottom: var(--spacing-xl);
}

.comparison-list li {
  padding: var(--spacing-sm) 0;
  color: var(--text-secondary);
  font-size: var(--font-size-sm);
  line-height: 1.6;
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-sm);
}

.comparison-code-block {
  background: var(--background);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  padding: var(--spacing-lg);
  overflow-x: auto;
}

.comparison-code-block pre {
  margin: 0;
}

.comparison-code-block code {
  font-family: 'SF Mono', Monaco, 'Cascadia Code', 'Roboto Mono', monospace;
  font-size: var(--font-size-xs);
  color: var(--text-primary);
  line-height: 1.6;
}

/* ==========================================================================
   CODE SECTION
   ========================================================================== */

.code-section {
  margin-bottom: var(--spacing-3xl);
}

.code-examples {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-2xl);
  margin-top: var(--spacing-2xl);
}

.code-block {
  background: var(--surface);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-large);
  overflow: hidden;
  transition: all var(--transition-normal);
}

.code-block:hover {
  box-shadow: var(--shadow-lg);
  border-color: var(--primary-color);
}

.code-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--spacing-lg) var(--spacing-xl);
  background: color-mix(in srgb, var(--primary-color) 5%, var(--surface));
  border-bottom: 1px solid var(--border-color);
}

.code-title {
  font-size: var(--font-size-base);
  font-weight: 700;
  color: var(--text-primary);
  margin: 0;
}

.code-lang {
  background: var(--primary-color);
  color: var(--brand-white);
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--border-radius);
  font-size: var(--font-size-xs);
  font-weight: 600;
  text-transform: uppercase;
}

.code-content {
  padding: var(--spacing-xl);
  margin: 0;
  overflow-x: auto;
  background: var(--background);
}

.code-content code {
  font-family: 'SF Mono', Monaco, 'Cascadia Code', 'Roboto Mono', monospace;
  font-size: var(--font-size-sm);
  line-height: 1.8;
  color: var(--text-primary);
}

/* ==========================================================================
   USE CASES SECTION
   ========================================================================== */

.use-cases-section {
  margin-bottom: var(--spacing-3xl);
}

.use-cases-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-xl);
  margin-top: var(--spacing-2xl);
}

.use-case-card {
  background: var(--surface);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-large);
  padding: var(--spacing-2xl);
  text-align: center;
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.use-case-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
  transform: scaleX(0);
  transition: transform var(--transition-normal);
}

.use-case-card:hover::before {
  transform: scaleX(1);
}

.use-case-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--primary-color);
}

.use-case-icon {
  font-size: 3rem;
  margin-bottom: var(--spacing-lg);
}

.use-case-title {
  font-size: var(--font-size-lg);
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: var(--spacing-md);
}

.use-case-description {
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
  line-height: 1.6;
}

/* ==========================================================================
   BROWSER SUPPORT SECTION
   ========================================================================== */

.support-section {
  margin-bottom: var(--spacing-3xl);
}

.browser-support {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--spacing-lg);
  margin: var(--spacing-2xl) 0;
}

.browser-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  padding: var(--spacing-lg);
  background: var(--surface);
  border: 2px solid var(--border-color);
  border-radius: var(--border-radius);
  transition: all var(--transition-fast);
}

.browser-item--supported {
  border-color: color-mix(in srgb, green 30%, var(--border-color));
}

.browser-item:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
  border-color: var(--primary-color);
}

.browser-icon {
  font-size: 2rem;
  flex-shrink: 0;
}

.browser-info {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
}

.browser-info strong {
  color: var(--text-primary);
  font-weight: 600;
  font-size: var(--font-size-sm);
}

.browser-info span {
  color: var(--text-secondary);
  font-size: var(--font-size-xs);
}

.support-note {
  background: color-mix(in srgb, var(--secondary-color) 10%, var(--surface));
  border: 1px solid color-mix(in srgb, var(--secondary-color) 30%, transparent);
  border-radius: var(--border-radius-large);
  padding: var(--spacing-2xl);
  margin-top: var(--spacing-2xl);
}

.support-note h3 {
  font-size: var(--font-size-lg);
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: var(--spacing-lg);
}

/* ==========================================================================
   FOOTER (REUTILIZABLE)
   ========================================================================== */

.footer {
  background: var(--surface);
  border-top: 1px solid var(--border-color);
  padding: var(--spacing-2xl) 0;
  margin-top: var(--spacing-3xl);
}

.footer__content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--spacing-xl);
}

.footer__brand {
  display: flex;
  align-items: center;
  gap: var(--spacing-lg);
}

.footer__logo {
  flex-shrink: 0;
}

.footer__logo img {
  width: 40px;
  height: 40px;
  object-fit: contain;
  filter: drop-shadow(0 2px 4px color-mix(in srgb, var(--primary-color) 15%, transparent));
}

.footer__info {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
}

.footer__text {
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
  margin: 0;
}

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

.footer__subtitle {
  font-size: var(--font-size-xs);
  color: var(--text-muted);
  margin: 0;
}

.footer__links {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
}

.footer__link {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: var(--font-size-sm);
  font-weight: 500;
  transition: color var(--transition-fast);
}

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

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

/* ==========================================================================
   RESPONSIVE DESIGN
   ========================================================================== */

@media (max-width: 1024px) {
  .playground-container {
    grid-template-columns: 1fr;
  }
  
  .playground-controls {
    position: relative;
    top: 0;
    max-height: none;
  }
}

@media (max-width: 768px) {
  .demo-nav {
    flex-direction: column;
    gap: var(--spacing-md);
  }
  
  .header-brand {
    position: static;
    transform: none;
  }
  
  .demo-hero__title {
    font-size: var(--font-size-2xl);
  }
  
  .demo-hero__features {
    grid-template-columns: 1fr;
  }
  
  .comparison-grid {
    grid-template-columns: 1fr;
  }
  
  .color-space-grid,
  .examples-grid,
  .use-cases-grid {
    grid-template-columns: 1fr;
  }
  
  .preset-buttons {
    grid-template-columns: 1fr;
  }
  
  .example-buttons {
    flex-direction: column;
  }
  
  .example-btn {
    width: 100%;
  }
  
  .footer__content {
    flex-direction: column;
    text-align: center;
  }
  
  .footer__brand {
    flex-direction: column;
  }
  
  .footer__links {
    flex-wrap: wrap;
    justify-content: center;
  }
}

@media (max-width: 480px) {
  .demo-hero {
    padding: var(--spacing-2xl) var(--spacing-md);
  }
  
  .demo-hero__title {
    font-size: var(--font-size-xl);
  }
  
  .section-title {
    font-size: var(--font-size-xl);
  }
  
  .color-circle {
    width: 150px;
    height: 150px;
  }
  
  .color-comparison {
    flex-direction: column;
  }
  
  .comparison-arrow {
    transform: rotate(90deg);
  }
}

/* ==========================================================================
   ANIMATIONS
   ========================================================================== */

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes slideIn {
  from {
    opacity: 0;
    transform: translateX(-20px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

.demo-hero,
.playground-section,
.color-space-section,
.examples-gallery-section,
.comparison-section,
.code-section,
.use-cases-section,
.support-section {
  animation: fadeIn 0.6s ease-out;
}

/* ==========================================================================
   PRINT STYLES
   ========================================================================== */

@media print {
  .demo-header,
  .theme-toggle,
  .back-link,
  .footer {
    display: none;
  }
  
  .playground-controls,
  .example-preset-card {
    break-inside: avoid;
  }
  
  * {
    background: white !important;
    color: black !important;
    box-shadow: none !important;
  }
}/* ==========================================================================
   COMPONENT EXAMPLES
   ========================================================================== */

.component-examples {
  margin-top: var(--spacing-2xl);
}

.examples-title {
  font-size: var(--font-size-base);
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: var(--spacing-lg);
}

/* Example Buttons */
.example-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-xl);
}

.example-btn {
  padding: var(--spacing-md) var(--spacing-xl);
  border: none;
  border-radius: var(--border-radius);
  font-weight: 600;
  font-size: var(--font-size-sm);
  cursor: pointer;
  transition: all var(--transition-fast);
  box-shadow: var(--shadow-sm);
}

.example-btn--normal {
  background: var(--primary-color);
  color: var(--brand-white);
}

.example-btn--normal:hover {
  background: color-mix(in srgb, var(--primary-color) 90%, white);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.example-btn--hover {
  background: color-mix(in srgb, var(--primary-color) 80%, white);
  color: var(--brand-white);
}

.example-btn--hover:hover {
  background: color-mix(in srgb, var(--primary-color) 70%, white);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.example-btn--active {
  background: color-mix(in srgb, var(--primary-color) 70%, black);
  color: var(--brand-white);
}

.example-btn--active:hover {
  background: color-mix(in srgb, var(--primary-color) 60%, black);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

/* Example Card */
.example-card {
  background: color-mix(in srgb, var(--primary-color) 5%, var(--surface));
  border: 1px solid color-mix(in srgb, var(--primary-color) 20%, transparent);
  border-radius: var(--border-radius);
  overflow: hidden;
  transition: all var(--transition-normal);
  margin-bottom: var(--spacing-xl);
}

.example-card:hover {
  background: color-mix(in srgb, var(--primary-color) 10%, var(--surface));
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.example-card-header {
  padding: var(--spacing-lg);
  background: color-mix(in srgb, var(--primary-color) 10%, transparent);
  color: var(--text-primary);
  font-weight: 600;
  border-bottom: 1px solid var(--border-color);
}

.example-card-body {
  padding: var(--spacing-lg);
  color: var(--text-secondary);
  font-size: var(--font-size-sm);
}

/* Example Badges */
.example-badges {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
}

.example-badge {
  padding: var(--spacing-xs) var(--spacing-md);
  border-radius: var(--border-radius);
  font-size: var(--font-size-xs);
  font-weight: 600;
  transition: all var(--transition-fast);
}

.example-badge:nth-child(1) {
  background: var(--primary-color);
  color: var(--brand-white);
}

.example-badge--light {
  background: color-mix(in srgb, var(--primary-color) 30%, white);
  color: var(--primary-color);
}

.example-badge--lighter {
  background: color-mix(in srgb, var(--primary-color) 10%, white);
  color: var(--primary-color);
  border: 1px solid color-mix(in srgb, var(--primary-color) 30%, transparent);
}

/* ==========================================================================
   COLOR SPACE SECTION
   ========================================================================== */

.color-space-section {
  margin-bottom: var(--spacing-3xl);
}

.color-space-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--spacing-xl);
  margin-top: var(--spacing-2xl);
}

.space-card {
  background: var(--surface);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-large);
  padding: var(--spacing-xl);
  transition: all var(--transition-normal);
}

.space-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--primary-color);
}

.space-preview {
  width: 100%;
  height: 120px;
  border-radius: var(--border-radius);
  margin-bottom: var(--spacing-lg);
  box-shadow: var(--shadow-md);
  position: relative;
  overflow: hidden;
}

.space-preview::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(45deg, rgba(255,255,255,0.1) 25%, transparent 25%, transparent 75%, rgba(255,255,255,0.1) 75%);
  background-size: 20px 20px;
}

.space-preview--srgb {
  background: linear-gradient(90deg, 
    #2448A6 0%, 
    color-mix(in srgb, #2448A6 50%, #F5B841) 50%, 
    #F5B841 100%
  );
}

.space-preview--oklch {
  background: linear-gradient(90deg, 
    #2448A6 0%, 
    color-mix(in oklch, #2448A6 50%, #F5B841) 50%, 
    #F5B841 100%
  );
}

.space-preview--hsl {
  background: linear-gradient(90deg, 
    #2448A6 0%, 
    color-mix(in hsl, #2448A6 50%, #F5B841) 50%, 
    #F5B841 100%
  );
}

.space-title {
  font-size: var(--font-size-lg);
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: var(--spacing-md);
}

.space-description {
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: var(--spacing-md);
}

.space-code {
  display: block;
  background: var(--background);
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--border-radius);
  font-family: 'SF Mono', Monaco, 'Cascadia Code', 'Roboto Mono', monospace;
  font-size: var(--font-size-xs);
  color: var(--primary-color);
  border: 1px solid var(--border-color);
}

/* ==========================================================================
   EXAMPLES GALLERY SECTION
   ========================================================================== */

.examples-gallery-section {
  margin-bottom: var(--spacing-3xl);
}

.examples-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-xl);
  margin-top: var(--spacing-2xl);
}

.example-preset-card {
  background: var(--surface);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-large);
  padding: var(--spacing-xl);
  cursor: pointer;
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.example-preset-card::before {
  content: '👆 Click para probar';
  position: absolute;
  top: var(--spacing-md);
  right: var(--spacing-md);
  background: var(--primary-color);
  color: var(--brand-white);
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--border-radius);
  font-size: var(--font-size-xs);
  font-weight: 600;
  opacity: 0;
  transform: translateY(-10px);
  transition: all var(--transition-fast);
  z-index: 10;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
  pointer-events: none;
}

.example-preset-card:hover::before {
  opacity: 1;
  transform: translateY(0);
}

.example-preset-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--primary-color);
}

.example-preset-card:active {
  transform: translateY(-2px);
}

.preset-preview {
  display: flex;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-lg);
  height: 80px;
}

.preset-swatch {
  flex: 1;
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-fast);
}

.example-preset-card:hover .preset-swatch {
  transform: scale(1.05);
}

.preset-preview--gradient .preset-gradient {
  width: 100%;
  height: 80px;
  border-radius: var(--border-radius);
  background: linear-gradient(90deg, 
    #2448A6 0%,
    color-mix(in oklch, #2448A6 75%, #F5B841) 25%,
    color-mix(in oklch, #2448A6 50%, #F5B841) 50%,
    color-mix(in oklch, #2448A6 25%, #F5B841) 75%,
    #F5B841 100%
  );
  box-shadow: var(--shadow-sm);
}

.preset-title {
  font-size: var(--font-size-lg);
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: var(--spacing-sm);
}

.preset-description {
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
  line-height: 1.5;
  margin-bottom: var(--spacing-md);
}

.preset-code {
  display: block;
  background: var(--background);
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--border-radius);
  font-family: 'SF Mono', Monaco, 'Cascadia Code', 'Roboto Mono', monospace;
  font-size: var(--font-size-xs);
  color: var(--primary-color);
  border: 1px solid var(--border-color);
  overflow-x: auto;
}

/* ==========================================================================
   COMPARISON SECTION (Con vs Sin)
   ========================================================================== */

.comparison-section {
  margin-bottom: var(--spacing-3xl);
}

.comparison-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
  gap: var(--spacing-2xl);
  margin-top: var(--spacing-2xl);
}

.comparison-column {
  background: var(--surface);
  border: 2px solid var(--border-color);
  border-radius: var(--border-radius-large);
  padding: var(--spacing-2xl);
  transition: all var(--transition-normal);
}

.comparison-column--without {
  border-color: color-mix(in srgb, red 30%, var(--border-color));
}

.comparison-column--without:hover {
  border-color: color-mix(in srgb, red 50%, var(--border-color));
  box-shadow: 0 8px 25px color-mix(in srgb, red 10%, transparent);
}

.comparison-column--with {
  border-color: color-mix(in srgb, green 30%, var(--border-color));
}

.comparison-column--with:hover {
  border-color: color-mix(in srgb, green 50%, var(--border-color));
  box-shadow: 0 8px 25px color-mix(in srgb, green 10%, transparent);
}

.comparison-header {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-xl);
  padding-bottom: var(--spacing-lg);
  border-bottom: 2px solid var(--border-color);
}

.comparison-icon {
  font-size: 2rem;
}

.comparison-header h3 {
  font-size: var(--font-size-xl);
  font-weight: 700;
  color: var(--text-primary);
}

.comparison-content h4 {
  font-size: var(--font-size-base);
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: var(--spacing-md);
}

.comparison-list {
  list-style: none;
  padding: 0;
  margin-bottom: var(--spacing-xl);
}

.comparison-list li {
  padding: var(--spacing-sm) 0;
  color: var(--text-secondary);
  font-size: var(--font-size-sm);
  line-height: 1.6;
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-sm);
}

.comparison-code-block {
  background: var(--background);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  padding: var(--spacing-lg);
  overflow-x: auto;
}

.comparison-code-block pre {
  margin: 0;
}

.comparison-code-block code {
  font-family: 'SF Mono', Monaco, 'Cascadia Code', 'Roboto Mono', monospace;
  font-size: var(--font-size-xs);
  color: var(--text-primary);
  line-height: 1.6;
}

/* ==========================================================================
   CODE SECTION
   ========================================================================== */

.code-section {
  margin-bottom: var(--spacing-3xl);
}

.code-examples {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-2xl);
  margin-top: var(--spacing-2xl);
}

.code-block {
  background: var(--surface);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-large);
  overflow: hidden;
  transition: all var(--transition-normal);
}

.code-block:hover {
  box-shadow: var(--shadow-lg);
  border-color: var(--primary-color);
}

.code-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--spacing-lg) var(--spacing-xl);
  background: color-mix(in srgb, var(--primary-color) 5%, var(--surface));
  border-bottom: 1px solid var(--border-color);
}

.code-title {
  font-size: var(--font-size-base);
  font-weight: 700;
  color: var(--text-primary);
  margin: 0;
}

.code-lang {
  background: var(--primary-color);
  color: var(--brand-white);
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--border-radius);
  font-size: var(--font-size-xs);
  font-weight: 600;
  text-transform: uppercase;
}

.code-content {
  padding: var(--spacing-xl);
  margin: 0;
  overflow-x: auto;
  background: var(--background);
}

.code-content code {
  font-family: 'SF Mono', Monaco, 'Cascadia Code', 'Roboto Mono', monospace;
  font-size: var(--font-size-sm);
  line-height: 1.8;
  color: var(--text-primary);
}

/* ==========================================================================
   USE CASES SECTION
   ========================================================================== */

.use-cases-section {
  margin-bottom: var(--spacing-3xl);
}

.use-cases-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-xl);
  margin-top: var(--spacing-2xl);
}

.use-case-card {
  background: var(--surface);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-large);
  padding: var(--spacing-2xl);
  text-align: center;
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.use-case-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
  transform: scaleX(0);
  transition: transform var(--transition-normal);
}

.use-case-card:hover::before {
  transform: scaleX(1);
}

.use-case-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--primary-color);
}

.use-case-icon {
  font-size: 3rem;
  margin-bottom: var(--spacing-lg);
}

.use-case-title {
  font-size: var(--font-size-lg);
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: var(--spacing-md);
}

.use-case-description {
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
  line-height: 1.6;
}

/* ==========================================================================
   BROWSER SUPPORT SECTION
   ========================================================================== */

.support-section {
  margin-bottom: var(--spacing-3xl);
}

.browser-support {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--spacing-lg);
  margin: var(--spacing-2xl) 0;
}

.browser-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  padding: var(--spacing-lg);
  background: var(--surface);
  border: 2px solid var(--border-color);
  border-radius: var(--border-radius);
  transition: all var(--transition-fast);
}

.browser-item--supported {
  border-color: color-mix(in srgb, green 30%, var(--border-color));
}

.browser-item:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
  border-color: var(--primary-color);
}

.browser-icon {
  font-size: 2rem;
  flex-shrink: 0;
}

.browser-info {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
}

.browser-info strong {
  color: var(--text-primary);
  font-weight: 600;
  font-size: var(--font-size-sm);
}

.browser-info span {
  color: var(--text-secondary);
  font-size: var(--font-size-xs);
}

.support-note {
  background: color-mix(in srgb, var(--secondary-color) 10%, var(--surface));
  border: 1px solid color-mix(in srgb, var(--secondary-color) 30%, transparent);
  border-radius: var(--border-radius-large);
  padding: var(--spacing-2xl);
  margin-top: var(--spacing-2xl);
}

.support-note h3 {
  font-size: var(--font-size-lg);
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: var(--spacing-lg);
}

/* ==========================================================================
   FOOTER (REUTILIZABLE)
   ========================================================================== */

.footer {
  background: var(--surface);
  border-top: 1px solid var(--border-color);
  padding: var(--spacing-2xl) 0;
  margin-top: var(--spacing-3xl);
}

.footer__content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--spacing-xl);
}

.footer__brand {
  display: flex;
  align-items: center;
  gap: var(--spacing-lg);
}

.footer__logo {
  flex-shrink: 0;
}

.footer__logo img {
  width: 40px;
  height: 40px;
  object-fit: contain;
  filter: drop-shadow(0 2px 4px color-mix(in srgb, var(--primary-color) 15%, transparent));
}

.footer__info {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
}

.footer__text {
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
  margin: 0;
}

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

.footer__subtitle {
  font-size: var(--font-size-xs);
  color: var(--text-muted);
  margin: 0;
}

.footer__links {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
}

.footer__link {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: var(--font-size-sm);
  font-weight: 500;
  transition: color var(--transition-fast);
}

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

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

/* ==========================================================================
   RESPONSIVE DESIGN
   ========================================================================== */

@media (max-width: 1024px) {
  .playground-container {
    grid-template-columns: 1fr;
  }
  
  .playground-controls {
    position: relative;
    top: 0;
    max-height: none;
  }
}

@media (max-width: 768px) {
  .demo-nav {
    flex-direction: column;
    gap: var(--spacing-md);
  }
  
  .header-brand {
    position: static;
    transform: none;
  }
  
  .demo-hero__title {
    font-size: var(--font-size-2xl);
  }
  
  .demo-hero__features {
    grid-template-columns: 1fr;
  }
  
  .comparison-grid {
    grid-template-columns: 1fr;
  }
  
  .color-space-grid,
  .examples-grid,
  .use-cases-grid {
    grid-template-columns: 1fr;
  }
  
  .preset-buttons {
    grid-template-columns: 1fr;
  }
  
  .example-buttons {
    flex-direction: column;
  }
  
  .example-btn {
    width: 100%;
  }
  
  .footer__content {
    flex-direction: column;
    text-align: center;
  }
  
  .footer__brand {
    flex-direction: column;
  }
  
  .footer__links {
    flex-wrap: wrap;
    justify-content: center;
  }
}

@media (max-width: 480px) {
  .demo-hero {
    padding: var(--spacing-2xl) var(--spacing-md);
  }
  
  .demo-hero__title {
    font-size: var(--font-size-xl);
  }
  
  .section-title {
    font-size: var(--font-size-xl);
  }
  
  .color-circle {
    width: 150px;
    height: 150px;
  }
  
  .color-comparison {
    flex-direction: column;
  }
  
  .comparison-arrow {
    transform: rotate(90deg);
  }
}

/* ==========================================================================
   ANIMATIONS
   ========================================================================== */

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes slideIn {
  from {
    opacity: 0;
    transform: translateX(-20px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

.demo-hero,
.playground-section,
.color-space-section,
.examples-gallery-section,
.comparison-section,
.code-section,
.use-cases-section,
.support-section {
  animation: fadeIn 0.6s ease-out;
}

/* ==========================================================================
   PRINT STYLES
   ========================================================================== */

@media print {
  .demo-header,
  .theme-toggle,
  .back-link,
  .footer {
    display: none;
  }
  
  .playground-controls,
  .example-preset-card {
    break-inside: avoid;
  }
  
  * {
    background: white !important;
    color: black !important;
    box-shadow: none !important;
  }
}