/* ========================================
   ANA'S COSMETICS - GLOBAL STYLES
   Premium Luxury E-commerce Website
   ======================================== */

/* ========================================
   1. CSS VARIABLES & DESIGN SYSTEM
   ======================================== */

:root {
  /* Primary Colors - Premium Light Theme */
  --primary-dark: #222222;
  --primary-light: #ffffff;
  --accent-gold: #d4a574;
  --accent-rose: #e8c1d1;
  --accent-blush: #fef5f7;
  
  /* Secondary Colors */
  --secondary-purple: #6366f1;
  --secondary-sage: #8b9a8e;
  --secondary-cream: #fafafa;
  
  /* Neutral Colors */
  --neutral-dark: #222222;
  --neutral-gray: #666666;
  --neutral-light-gray: #e8e8e8;
  --neutral-border: #e0e0e0;
  
  /* Status Colors */
  --success: #4caf50;
  --warning: #ff9800;
  --error: #f44336;
  --info: #2196f3;
  
  /* Typography */
  --font-primary: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  --font-secondary: 'Georgia', 'Garamond', serif;
  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size-base: 1rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.25rem;
  --font-size-2xl: 1.5rem;
  --font-size-3xl: 2rem;
  --font-size-4xl: 2.5rem;
  --font-size-5xl: 3rem;
  
  /* Spacing Scale */
  --spacing-xs: 0.25rem;
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 1.5rem;
  --spacing-xl: 2rem;
  --spacing-2xl: 3rem;
  --spacing-3xl: 4rem;
  --spacing-4xl: 6rem;
  
  /* Border Radius */
  --radius-sm: 0.375rem;
  --radius-md: 0.75rem;
  --radius-lg: 1.5rem;
  --radius-xl: 2rem;
  --radius-full: 9999px;
  
  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.15);
  --shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.2);
  --shadow-2xl: 0 25px 50px rgba(0, 0, 0, 0.25);
  
  /* Transitions */
  --transition-fast: 150ms ease-in-out;
  --transition-base: 300ms ease-in-out;
  --transition-slow: 500ms ease-in-out;
  
  /* Z-Index Scale */
  --z-dropdown: 100;
  --z-sticky: 200;
  --z-modal: 1000;
  --z-toast: 1100;
  --z-tooltip: 1200;
}

/* Dark Mode */
html[data-theme="dark"] {
  --primary-dark: #ffffff;
  --primary-light: #0f172a;
  --secondary-cream: #1e293b;
  --neutral-dark: #e2e8f0;
  --neutral-gray: #94a3b8;
  --neutral-light-gray: #334155;
  --neutral-border: #475569;
}

/* ========================================
   2. RESET & BASE STYLES
   ======================================== */

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-primary);
  font-size: var(--font-size-base);
  line-height: 1.6;
  color: var(--neutral-dark);
  background-color: var(--primary-light);
  transition: background-color var(--transition-base), color var(--transition-base);
}

/* ========================================
   3. TYPOGRAPHY
   ======================================== */

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-secondary);
  font-weight: 600;
  line-height: 1.2;
  margin-bottom: var(--spacing-md);
  color: var(--primary-dark);
}

h1 {
  font-size: var(--font-size-5xl);
  font-weight: 700;
}

h2 {
  font-size: var(--font-size-4xl);
}

h3 {
  font-size: var(--font-size-3xl);
}

h4 {
  font-size: var(--font-size-2xl);
}

h5 {
  font-size: var(--font-size-xl);
}

h6 {
  font-size: var(--font-size-lg);
}

p {
  margin-bottom: var(--spacing-md);
  color: var(--neutral-gray);
}

a {
  color: var(--accent-gold);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--secondary-purple);
}

strong {
  font-weight: 600;
  color: var(--primary-dark);
}

em {
  font-style: italic;
}

/* ========================================
   4. LAYOUT & CONTAINERS
   ======================================== */

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-lg);
}

.container-fluid {
  width: 100%;
  padding: 0 var(--spacing-lg);
}

.section {
  padding: var(--spacing-4xl) 0;
}

.section-sm {
  padding: var(--spacing-2xl) 0;
}

.section-lg {
  padding: var(--spacing-4xl) 0;
}

/* Grid System */
.grid {
  display: grid;
  gap: var(--spacing-lg);
}

.grid-2 {
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

.grid-3 {
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
}

.grid-4 {
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
}

.grid-5 {
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
}

.flex {
  display: flex;
  align-items: center;
}

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

.flex-center {
  display: flex;
  justify-content: center;
  align-items: center;
}

.flex-column {
  display: flex;
  flex-direction: column;
}

/* ========================================
   5. BUTTONS & LINKS
   ======================================== */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-md) var(--spacing-xl);
  font-size: var(--font-size-base);
  font-weight: 600;
  border: 2px solid transparent;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-base);
  text-decoration: none;
  white-space: nowrap;
  user-select: none;
}

.btn:focus-visible {
  outline: 2px solid var(--accent-gold);
  outline-offset: 2px;
}

/* Button Variants */
.btn-primary {
  background-color: var(--accent-gold);
  color: var(--primary-light);
  border-color: var(--accent-gold);
}

.btn-primary:hover {
  background-color: var(--secondary-purple);
  border-color: var(--secondary-purple);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.btn-secondary {
  background-color: var(--secondary-purple);
  color: var(--primary-light);
  border-color: var(--secondary-purple);
}

.btn-secondary:hover {
  background-color: var(--accent-gold);
  border-color: var(--accent-gold);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.btn-outline {
  background-color: transparent;
  color: var(--accent-gold);
  border-color: var(--accent-gold);
}

.btn-outline:hover {
  background-color: var(--accent-gold);
  color: var(--primary-light);
}

.btn-ghost {
  background-color: transparent;
  color: var(--primary-dark);
  border-color: transparent;
}

.btn-ghost:hover {
  background-color: var(--secondary-cream);
}

.btn-sm {
  padding: var(--spacing-sm) var(--spacing-md);
  font-size: var(--font-size-sm);
}

.btn-lg {
  padding: var(--spacing-lg) var(--spacing-2xl);
  font-size: var(--font-size-lg);
}

.btn-block {
  width: 100%;
}

.btn-icon {
  padding: var(--spacing-md);
  border-radius: var(--radius-full);
}

/* ========================================
   6. FORMS
   ======================================== */

.form-group {
  margin-bottom: var(--spacing-lg);
}

label {
  display: block;
  margin-bottom: var(--spacing-sm);
  font-weight: 600;
  color: var(--primary-dark);
}

input[type="text"],
input[type="email"],
input[type="password"],
input[type="number"],
input[type="tel"],
input[type="date"],
textarea,
select {
  width: 100%;
  padding: var(--spacing-md);
  font-size: var(--font-size-base);
  border: 1px solid var(--neutral-border);
  border-radius: var(--radius-md);
  background-color: var(--primary-light);
  color: var(--primary-dark);
  transition: border-color var(--transition-fast);
  font-family: var(--font-primary);
}

input[type="text"]:focus,
input[type="email"]:focus,
input[type="password"]:focus,
input[type="number"]:focus,
input[type="tel"]:focus,
input[type="date"]:focus,
textarea:focus,
select:focus {
  outline: none;
  border-color: var(--accent-gold);
  box-shadow: 0 0 0 3px rgba(212, 175, 55, 0.1);
}

textarea {
  resize: vertical;
  min-height: 120px;
}

/* ========================================
   7. CARDS & COMPONENTS
   ======================================== */

.card {
  background-color: var(--primary-light);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  overflow: hidden;
  transition: all var(--transition-base);
}

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

.card-body {
  padding: var(--spacing-lg);
}

.card-header {
  padding: var(--spacing-lg);
  border-bottom: 1px solid var(--neutral-border);
  background-color: var(--secondary-cream);
}

.card-footer {
  padding: var(--spacing-lg);
  border-top: 1px solid var(--neutral-border);
  background-color: var(--secondary-cream);
}

.badge {
  display: inline-block;
  padding: var(--spacing-xs) var(--spacing-md);
  font-size: var(--font-size-xs);
  font-weight: 700;
  border-radius: var(--radius-full);
  background-color: var(--accent-gold);
  color: var(--primary-light);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.badge-success {
  background-color: var(--success);
}

.badge-warning {
  background-color: var(--warning);
}

.badge-error {
  background-color: var(--error);
}

.badge-info {
  background-color: var(--info);
}

/* ========================================
   8. NAVIGATION
   ======================================== */

nav {
  font-weight: 600;
}

nav a {
  color: var(--primary-dark);
  padding: var(--spacing-md) var(--spacing-lg);
  display: inline-block;
  position: relative;
}

nav a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--accent-gold);
  transition: width var(--transition-fast);
}

nav a:hover::after {
  width: 100%;
}

/* ========================================
   9. IMAGES & MEDIA
   ======================================== */

img {
  max-width: 100%;
  height: auto;
  display: block;
}

.img-fluid {
  width: 100%;
  height: auto;
}

.img-rounded {
  border-radius: var(--radius-md);
}

.img-circle {
  border-radius: 50%;
}

.img-cover {
  object-fit: cover;
  object-position: center;
}

.img-contain {
  object-fit: contain;
}

/* Image Hover Effects */
.img-hover-zoom {
  overflow: hidden;
  border-radius: var(--radius-md);
}

.img-hover-zoom img {
  transition: transform var(--transition-base);
}

.img-hover-zoom:hover img {
  transform: scale(1.1);
}

.img-hover-overlay {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-md);
}

.img-hover-overlay::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(212, 175, 55, 0.2);
  opacity: 0;
  transition: opacity var(--transition-base);
}

.img-hover-overlay:hover::after {
  opacity: 1;
}

/* ========================================
   10. UTILITIES
   ======================================== */

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

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

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

.text-justify {
  text-align: justify;
}

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

.text-gold {
  color: var(--accent-gold);
}

.text-success {
  color: var(--success);
}

.text-error {
  color: var(--error);
}

.text-uppercase {
  text-transform: uppercase;
  letter-spacing: 1px;
}

.text-lowercase {
  text-transform: lowercase;
}

.text-capitalize {
  text-transform: capitalize;
}

.font-bold {
  font-weight: 700;
}

.font-semibold {
  font-weight: 600;
}

.font-normal {
  font-weight: 400;
}

.font-light {
  font-weight: 300;
}

.opacity-50 {
  opacity: 0.5;
}

.opacity-75 {
  opacity: 0.75;
}

.hidden {
  display: none !important;
}

.invisible {
  visibility: hidden;
}

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

/* Spacing Utilities */
.mt-1 { margin-top: var(--spacing-sm); }
.mt-2 { margin-top: var(--spacing-md); }
.mt-3 { margin-top: var(--spacing-lg); }
.mt-4 { margin-top: var(--spacing-xl); }

.mb-1 { margin-bottom: var(--spacing-sm); }
.mb-2 { margin-bottom: var(--spacing-md); }
.mb-3 { margin-bottom: var(--spacing-lg); }
.mb-4 { margin-bottom: var(--spacing-xl); }

.mx-auto {
  margin-left: auto;
  margin-right: auto;
}

.p-1 { padding: var(--spacing-sm); }
.p-2 { padding: var(--spacing-md); }
.p-3 { padding: var(--spacing-lg); }
.p-4 { padding: var(--spacing-xl); }

/* ========================================
   11. ANIMATIONS
   ======================================== */

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

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

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

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

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

@keyframes pulse {
  0%, 100% {
    opacity: 1;
  }
  50% {
    opacity: 0.5;
  }
}

@keyframes spin {
  from {
    transform: rotate(0deg);
  }
  to {
    transform: rotate(360deg);
  }
}

@keyframes bounce {
  0%, 100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-10px);
  }
}

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

.animate-slide-up {
  animation: slideInUp var(--transition-base);
}

.animate-slide-down {
  animation: slideInDown var(--transition-base);
}

.animate-slide-left {
  animation: slideInLeft var(--transition-base);
}

.animate-slide-right {
  animation: slideInRight var(--transition-base);
}

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

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

.animate-bounce {
  animation: bounce 1s infinite;
}

/* ========================================
   12. RESPONSIVE DESIGN
   ======================================== */

@media (max-width: 1024px) {
  .container {
    padding: 0 var(--spacing-md);
  }

  .grid-2 {
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  }

  .grid-3 {
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  }

  .grid-4 {
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  }

  h1 {
    font-size: var(--font-size-4xl);
  }

  h2 {
    font-size: var(--font-size-3xl);
  }

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

@media (max-width: 768px) {
  .container {
    padding: 0 var(--spacing-md);
  }

  .grid-2,
  .grid-3,
  .grid-4,
  .grid-5 {
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  }

  h1 {
    font-size: var(--font-size-3xl);
  }

  h2 {
    font-size: var(--font-size-2xl);
  }

  h3 {
    font-size: var(--font-size-xl);
  }

  .section {
    padding: var(--spacing-2xl) 0;
  }

  nav a {
    padding: var(--spacing-md) var(--spacing-md);
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 var(--spacing-md);
  }

  .grid-2,
  .grid-3,
  .grid-4,
  .grid-5 {
    grid-template-columns: 1fr;
  }

  h1 {
    font-size: var(--font-size-2xl);
  }

  h2 {
    font-size: var(--font-size-xl);
  }

  h3 {
    font-size: var(--font-size-lg);
  }

  .btn {
    padding: var(--spacing-md) var(--spacing-lg);
    font-size: var(--font-size-sm);
  }

  .section {
    padding: var(--spacing-2xl) 0;
  }

  .flex-between {
    flex-direction: column;
    gap: var(--spacing-md);
  }
}

/* ========================================
   13. PRINT STYLES
   ======================================== */

@media print {
  body {
    background-color: white;
    color: black;
  }

  a {
    color: black;
  }

  .no-print {
    display: none !important;
  }
}