/**
 * Estilos Optimizados de Chicharronería Don Oskar
 * Version 3.2 - Header Integrado y Optimizado
 */

/* ========================================
   Variables CSS Optimizadas
======================================== */
:root {
  /* Colores principales */
  --color-primary: #EF4444;
  --color-primary-hover: #DC2626;
  --color-primary-light: #FEF2F2;
  --color-secondary: #F59E0B;
  --color-secondary-hover: #D97706;
  --color-accent: #10B981;
  --color-accent-hover: #059669;
  
  /* Colores de estado */
  --color-success: #10B981;
  --color-warning: #F59E0B;
  --color-error: #EF4444;
  --color-info: #3B82F6;
  
  /* Escala de grises optimizada */
  --color-gray-50: #F9FAFB;
  --color-gray-100: #F3F4F6;
  --color-gray-200: #E5E7EB;
  --color-gray-300: #D1D5DB;
  --color-gray-400: #9CA3AF;
  --color-gray-500: #6B7280;
  --color-gray-600: #4B5563;
  --color-gray-700: #374151;
  --color-gray-800: #1F2937;
  --color-gray-900: #111827;
  
  /* Fondos */
  --bg-primary: #FFFFFF;
  --bg-secondary: #FEF3C7;
  --bg-tertiary: var(--color-gray-50);
  --bg-overlay: rgba(0, 0, 0, 0.5);
  
  /* Tipografía */
  --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-display: 'Poppins', var(--font-primary);
  
  /* Espaciado */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  
  /* Bordes y radios */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-2xl: 1.5rem;
  --radius-full: 9999px;
  
  /* Sombras */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
  --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
  
  /* Transiciones */
  --transition-fast: 150ms ease-out;
  --transition-normal: 300ms ease-out;
  --transition-slow: 500ms ease-out;
  
  /* Z-index */
  --z-dropdown: 10;
  --z-sticky: 20;
  --z-fixed: 30;
  --z-modal: 50;
  --z-loader: 100;
  
  /* Header específico */
--header-height: var(--header-total-height, 135px);
--header-height-scrolled: var(--header-total-height, 135px);
  --header-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
  --header-shadow-scrolled: 0 8px 32px rgba(0, 0, 0, 0.15);
}

/* ========================================
   Reset y Base Styles Optimizados
======================================== */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  font-size: 16px;
}

body {
  font-family: var(--font-primary);
  font-size: 1rem;
  line-height: 1.6;
  color: black;
  background-color: var(--bg-tertiary);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

/* ========================================
   LOADER GLOBAL OPTIMIZADO
======================================== */
.global-loader {
  position: fixed;
  inset: 0;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  z-index: var(--z-loader);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-normal);
}

.global-loader.show {
  opacity: 1;
  visibility: visible;
}

.global-loader.hide {
  opacity: 0;
  transition: opacity var(--transition-normal);
}

.loader-content {
  text-align: center;
  max-width: 300px;
  padding: var(--space-8);
}

.loader-logo {
  width: 120px;
  height: 120px;
  margin: 0 auto var(--space-6);
  position: relative;
}

.loader-logo img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  animation: logoFloat 2s ease-in-out infinite alternate;
}

.loader-spinner {
  width: 140px;
  height: 140px;
  position: absolute;
  top: -10px;
  left: -10px;
  border: 3px solid rgba(239, 68, 68, 0.1);
  border-top: 3px solid var(--color-primary);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

.loader-message {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--color-gray-700);
  margin-bottom: var(--space-4);
  animation: pulse 2s ease-in-out infinite;
}

.loader-progress {
  width: 200px;
  height: 4px;
  background: var(--color-gray-200);
  border-radius: var(--radius-full);
  overflow: hidden;
  margin: 0 auto;
}

.loader-progress-bar {
  height: 100%;
  background: linear-gradient(90deg, var(--color-primary), var(--color-secondary));
  border-radius: var(--radius-full);
  animation: progressLoad 2s ease-in-out infinite;
}

/* ========================================
   BANNER PROMOCIONAL
======================================== */
.promo-banner {
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-hover));
  color: white;
  padding: 12px 0;
  position: relative;
  overflow: hidden;
  z-index: 25;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.promo-banner::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
  animation: shine 3s infinite;
}

.promo-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 1rem;
}

.promo-text {
  flex: 1;
  text-align: center;
  font-size: 0.9rem;
  font-weight: 500;
}

.promo-code {
  background: rgba(255,255,255,0.2);
  padding: 4px 12px;
  border-radius: 6px;
  margin: 0 8px;
  font-weight: 700;
  letter-spacing: 0.5px;
}

.promo-close {
  background: none;
  border: none;
  color: white;
  font-size: 1.2rem;
  cursor: pointer;
  padding: 8px;
  border-radius: 50%;
  opacity: 0.8;
  transition: all 0.2s ease;
}

.promo-close:hover {
  opacity: 1;
  background: rgba(255,255,255,0.1);
}

/* ========================================
   HEADER Y NAVEGACIÓN INTEGRADO
======================================== */


/* ========================================
   HERO SECTION OPTIMIZADO
======================================== */
.hero-section {
  position: relative;
  height: calc(100vh - (var(--header-height) + var(--branch-bar-height)));
  min-height: 600px;
  max-height: 900px;
  display: flex;
  align-items: center;
  overflow: hidden;
  background: linear-gradient(135deg, #1a1a1a 0%, #2d2d2d 100%);
}

.hero-media-container {
  position: absolute;
  inset: 0;
  z-index: 1;
}

.hero-video,
.hero-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    135deg,
    rgba(0, 0, 0, 0.6) 0%,
    rgba(239, 68, 68, 0.2) 50%,
    rgba(0, 0, 0, 0.7) 100%
  );
  z-index: 2;
}

.hero-content {
  position: relative;
  z-index: 3;
  text-align: center;
  color: white;
  max-width: 800px;
  margin: 0 auto;
  padding: var(--space-8) var(--space-4);
}

.hero-title {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 900;
  margin-bottom: var(--space-6);
  text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.7);
  line-height: 1.1;
  animation: slideInUp 1s ease-out;
}

.hero-title-accent {
  color: var(--color-secondary);
  display: block;
  font-size: 0.8em;
  margin-top: var(--space-2);
}

.hero-subtitle {
  font-size: clamp(1.125rem, 2.5vw, 1.5rem);
  margin-bottom: var(--space-8);
  text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.7);
  line-height: 1.4;
  animation: slideInUp 1s ease-out 0.2s both;
}

.hero-cta {
  animation: slideInUp 1s ease-out 0.4s both;
}

.btn-hero {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  background: linear-gradient(135deg, var(--color-primary) 0%, #DC2626 100%);
  color: white;
  padding: var(--space-5) var(--space-10);
  font-size: clamp(1rem, 2vw, 1.25rem);
  font-weight: 700;
  border: none;
  border-radius: var(--radius-2xl);
  text-decoration: none;
  cursor: pointer;
  transition: all var(--transition-normal);
  box-shadow: 0 10px 30px rgba(239, 68, 68, 0.3);
  will-change: transform;
}

.btn-hero:hover {
  transform: translateY(-3px);
  box-shadow: 0 15px 40px rgba(239, 68, 68, 0.5);
}

.hero-scroll-indicator {
  position: absolute;
  bottom: var(--space-8);
  left: 50%;
  transform: translateX(-50%);
  z-index: 3;
  color: white;
  cursor: pointer;
  animation: bounce 2s infinite;
}

/* ========================================
   LAYOUT Y SECCIONES
======================================== */
.container {
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding-left: var(--space-4);
  padding-right: var(--space-4);
}

.section-wrapper {
  position: relative;
  opacity: 1;
  transform: translateY(0);
  transition: all 0.6s ease-out;
}

.section-padding {
  padding-top: var(--space-16);
  padding-bottom: var(--space-16);
}

@media (max-width: 768px) {
  .section-padding {
    padding-top: var(--space-12);
    padding-bottom: var(--space-12);
  }
  
  .container {
    padding-left: var(--space-3);
    padding-right: var(--space-3);
  }
  
  .mobile-menu-toggle {
    display: block;
  }
  
  .nav-actions {
    gap: var(--space-2);
  }
  
  .action-btn span,
  .cart-button span {
    display: none;
  }
  
  .action-btn,
  .cart-button {
    padding: var(--space-3);
  }
  
  .branch-content {
    flex-direction: row;
    align-items: flex-start;
    gap: var(--space-3);
  }
  
  .branch-details {
    gap: var(--space-4);
    flex-direction: row !important;
  }
  
  .promo-content {
    flex-direction: column;
    text-align: center;
    gap: var(--space-2);
  }
  
  .promo-text {
    font-size: 0.8rem;
  }
}

/* ========================================
   PRODUCT CARDS OPTIMIZADAS
======================================== */
.product-card {
  background: white;
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  transition: all var(--transition-normal);
  border: 1px solid var(--color-gray-200);
  position: relative;
  height: 100%;
  display: flex;
  flex-direction: column;
  will-change: transform;
}

.product-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-2xl);
}

.product-image-container {
  position: relative;
  width: 100%;
  height: 220px;
  overflow: hidden;
}

.product-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.product-card:hover .product-image {
  transform: scale(1.1);
}

.product-badges {
  position: absolute;
  top: var(--space-3);
  left: var(--space-3);
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  z-index: 2;
}

.product-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  padding: var(--space-1) var(--space-2);
  border-radius: var(--radius-md);
  font-size: 0.75rem;
  font-weight: 600;
  color: white;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.badge-discount {
  background: rgba(239, 68, 68, 0.9);
  animation: pulse 2s infinite;
}

.badge-featured {
  background: rgba(245, 158, 11, 0.9);
}

.badge-new {
  background: rgba(16, 185, 129, 0.9);
}

.product-card-body {
  padding: var(--space-5);
  flex: 1;
  display: flex;
  flex-direction: column;
}

.product-title {
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--color-gray-800);
  margin-bottom: var(--space-2);
  line-height: 1.3;
}

.product-description {
  color: var(--color-gray-600);
  font-size: 0.875rem;
  margin-bottom: var(--space-4);
  line-height: 1.5;
  flex: 1;
}

.product-rating {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  margin-bottom: var(--space-4);
}

.rating-stars {
  display: flex;
  gap: 2px;
}

.star {
  color: #FCD34D;
  font-size: 0.875rem;
}

.rating-count {
  font-size: 0.75rem;
  color: var(--color-gray-500);
}

.product-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-3);
  margin-top: auto;
}

.product-price {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.price-current {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-primary);
}

.price-original {
  font-size: 0.875rem;
  color: var(--color-gray-500);
  text-decoration: line-through;
}

.btn-add-to-cart {
  background: var(--color-primary);
  color: white;
  border: none;
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-lg);
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-fast);
  display: flex;
  align-items: center;
  gap: var(--space-2);
  will-change: transform;
}

.btn-add-to-cart:hover {
  background: var(--color-primary-hover);
  transform: scale(1.05);
}

.btn-add-to-cart:disabled {
  background: var(--color-gray-400);
  cursor: not-allowed;
  transform: none;
}

/* ========================================
   MOBILE NAVIGATION OPTIMIZADA
======================================== */
.mobile-nav {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: white;
  border-top: 1px solid var(--color-gray-200);
  display: none;
  padding: var(--space-2);
  z-index: var(--z-fixed);
  box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.1);
}

@media (max-width: 768px) {
  .mobile-nav {
    display: flex;
  }
  
  body {
    padding-bottom: 80px; /* Espacio para nav móvil */
  }
}

.mobile-nav-item {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-1);
  padding: var(--space-2) var(--space-1);
  text-decoration: none;
  color: var(--color-gray-500);
  font-size: 0.75rem;
  font-weight: 500;
  border-radius: var(--radius-lg);
  transition: all var(--transition-fast);
  cursor: pointer;
  position: relative;
}

.mobile-nav-item.active,
.mobile-nav-item:hover {
  color: var(--color-primary);
  background: var(--color-primary-light);
  transform: translateY(-2px);
}

.mobile-nav-item i {
  font-size: 1.25rem;
}

.mobile-nav-item .nav-badge {
  position: absolute;
  top: 4px;
  right: 8px;
  background: var(--color-primary);
  color: white;
  border-radius: var(--radius-full);
  width: 18px;
  height: 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.625rem;
  font-weight: 700;
}

/* ========================================
   TOAST NOTIFICATIONS OPTIMIZADAS
======================================== */
.toast {
  position: fixed;
  top: var(--space-6);
  right: var(--space-6);
  background: white;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
  border: 1px solid var(--color-gray-200);
  z-index: var(--z-modal);
  transform: translateX(100%);
  opacity: 0;
  transition: all var(--transition-normal);
  min-width: 300px;
  max-width: 400px;
}

.toast.show {
  transform: translateX(0);
  opacity: 1;
}

.toast-content {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-4);
}

.toast-success { border-left: 4px solid var(--color-success); }
.toast-error { border-left: 4px solid var(--color-error); }
.toast-warning { border-left: 4px solid var(--color-warning); }
.toast-info { border-left: 4px solid var(--color-info); }

.toast-success .toast-content i { color: var(--color-success); }
.toast-error .toast-content i { color: var(--color-error); }
.toast-warning .toast-content i { color: var(--color-warning); }
.toast-info .toast-content i { color: var(--color-info); }

@media (max-width: 768px) {
  .toast {
    left: var(--space-3);
    right: var(--space-3);
    min-width: auto;
  }
}

/* ========================================
   ANIMACIONES OPTIMIZADAS
======================================== */
@keyframes logoFloat {
  0% { transform: translateY(0px) scale(1); }
  100% { transform: translateY(-10px) scale(1.05); }
}

@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.7; }
}

@keyframes progressLoad {
  0% { transform: translateX(-100%); }
  50% { transform: translateX(0%); }
  100% { transform: translateX(100%); }
}

@keyframes slideInUp {
  from {
    opacity: 0;
    transform: translateY(50px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes bounce {
  0%, 20%, 50%, 80%, 100% {
    transform: translateX(-50%) translateY(0);
  }
  40% {
    transform: translateX(-50%) translateY(-10px);
  }
  60% {
    transform: translateX(-50%) translateY(-5px);
  }
}

@keyframes bounceIn {
  0% { transform: scale(0); }
  50% { transform: scale(1.2); }
  100% { transform: scale(1); }
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes shine {
  0% { left: -100%; }
  100% { left: 100%; }
}

.animate-in {
  animation: fadeInUp 0.6s ease-out;
}

.animate-bounce {
  animation: bounce 0.6s ease-in-out;
}

.animate-pulse {
  animation: pulse 2s infinite;
}

.animate-spin {
  animation: spin 1s linear infinite;
}

/* ========================================
   UTILITY CLASSES ADICIONALES
======================================== */
.rotate-180 {
  transform: rotate(180deg);
}

/* ========================================
   LAZY LOADING OPTIMIZADO
======================================== */
img.lazy {
  opacity: 0;
  transition: opacity var(--transition-normal);
}

img.loaded {
  opacity: 1;
}

img.image-error {
  opacity: 0.5;
  filter: grayscale(100%);
}

/* ========================================
   DARK MODE OPTIMIZADO
======================================== */
[data-theme="dark"] {
  --bg-primary: var(--color-gray-900);
  --bg-secondary: var(--color-gray-800);
  --bg-tertiary: var(--color-gray-800);
  --color-gray-50: var(--color-gray-900);
  --color-gray-100: var(--color-gray-800);
  --color-gray-900: #F9FAFB;
}

[data-theme="dark"] .product-card,
[data-theme="dark"] .toast,
[data-theme="dark"] .main-header,
[data-theme="dark"] .mobile-nav,
[data-theme="dark"] .mobile-menu {
  background: var(--color-gray-800);
  border-color: var(--color-gray-700);
  color: white;
}

[data-theme="dark"] .global-loader {
  background: rgba(31, 41, 55, 0.95);
}

/* ========================================
   ACCESSIBILITY OPTIMIZADO
======================================== */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* Focus styles mejorados */
*:focus {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
  border-radius: var(--radius-sm);
}

button:focus,
a:focus,
input:focus,
textarea:focus,
select:focus {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

/* ========================================
   PERFORMANCE OPTIMIZATIONS
======================================== */
/* Will-change para elementos que se animan frecuentemente */
.nav-logo,
.cart-button,
.btn-add-to-cart,
.product-card,
.btn-hero {
  will-change: transform;
}

/* Contain para optimizar layout */
.product-card {
  contain: layout style paint;
}

.loader-content {
  contain: layout style;
}

/* ========================================
   PRINT STYLES
======================================== */
@media print {
  .main-header,
  .mobile-nav,
  .global-loader,
  .toast,
  .floating-buttons,
  .cart-button,
  .nav-actions,
  .promo-banner {
    display: none !important;
  }
  
  .product-card,
  .section-wrapper {
    break-inside: avoid;
    box-shadow: none;
  }
  
  body {
    background: white;
    color: black;
    padding-bottom: 0;
  }
}

/* ========================================
   PWA OPTIMIZATIONS
======================================== */
@media (display-mode: standalone) {
  .main-header {
    padding-top: env(safe-area-inset-top);
  }
  
  .mobile-nav {
    padding-bottom: env(safe-area-inset-bottom);
  }
}


/* ========================================
   FORM STYLES - MAYOR ESPECIFICIDAD
======================================== */

/* Sobrescribir cualquier estilo del header */


/* Estados focus con alta especificidad */


/* Placeholders visibles */
body .form-input::placeholder,
body input::placeholder,
body textarea::placeholder {
  color: #6B7280 !important;
  opacity: 1 !important;
}

/* Labels visibles */
body label {
  display: block !important;
  font-weight: 600 !important;
  color: #374151 !important;
  margin-bottom: 8px !important;
  font-size: 0.875rem !important;
  opacity: 1 !important;
}

/* Select específico */
body select.form-input,
body select {
  cursor: pointer !important;
  background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 20 20'%3e%3cpath stroke='%236b7280' stroke-linecap='round' stroke-linejoin='round' stroke-width='1.5' d='m6 8 4 4 4-4'/%3e%3c/svg%3e") !important;
  background-position: right 12px center !important;
  background-repeat: no-repeat !important;
  background-size: 16px !important;
  padding-right: 40px !important;
}

/* Anti-header interference */
.futuristic-header ~ * .form-input,
.futuristic-header ~ * input,
.futuristic-header ~ * textarea,
.futuristic-header ~ * select {
  background-color: white !important;
  color: #1F2937 !important;
  border: 2px solid #D1D5DB !important;
}


/* OVERRIDE ESPECÍFICO PARA FORMULARIOS */
main input[type="text"],
main input[type="email"], 
main input[type="tel"],
main input[type="password"],
main textarea,
main select,
.form-input {
    background-color: white !important;
    color: #1F2937 !important;
    border: 2px solid #D1D5DB !important;
    opacity: 1 !important;
}

/* ========================================
   UTILITY CLASSES
======================================== */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.hidden { display: none !important; }
.visible { display: block !important; }

.w-full { width: 100%; }
.h-full { height: 100%; }

.flex { display: flex; }
.flex-col { flex-direction: column; }
.items-center { align-items: center; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }

.rounded { border-radius: var(--radius-md); }
.rounded-lg { border-radius: var(--radius-lg); }
.rounded-xl { border-radius: var(--radius-xl); }
.rounded-full { border-radius: var(--radius-full); }

.shadow { box-shadow: var(--shadow-md); }
.shadow-lg { box-shadow: var(--shadow-lg); }
.shadow-xl { box-shadow: var(--shadow-xl); }