/* Global Design System for GY Tea - Minimalistic Tea Shop */

:root {
  /* Color Palette */
  --primary-green: #2c5530;
  --primary-green-light: #3d6b42;
  --primary-green-dark: #1e3a1e;
  --accent-green: #4a7c59;
  --warm-beige: #f7f5f3;
  --warm-cream: #faf8f6;
  --warm-tan: #e8e2dc;
  --text-dark: #2c2c2c;
  --text-medium: #5a5a5a;
  --text-light: #8a8a8a;
  --white: #ffffff;
  --border-light: #e5e5e5;
  --shadow-light: rgba(0, 0, 0, 0.08);
  --shadow-medium: rgba(0, 0, 0, 0.12);
  
  /* Typography */
  --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-serif: 'Georgia', 'Times New Roman', serif;
  
  /* Spacing */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: 4rem;
  
  /* Border Radius */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  
  /* Transitions */
  --transition-fast: 0.15s ease;
  --transition-normal: 0.3s ease;
  --transition-slow: 0.5s ease;
}

/* Reset and Base Styles */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-primary);
  line-height: 1.6;
  color: var(--text-dark);
  background-color: var(--warm-cream);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Override for specific pages that need white background */
main[data-page="reviews"] {
  background: white !important;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-weight: 600;
  line-height: 1.3;
  color: var(--text-dark);
  margin-bottom: var(--space-md);
}

h1 {
  font-size: 2.5rem;
  font-weight: 700;
}

h2 {
  font-size: 2rem;
  font-weight: 600;
}

h3 {
  font-size: 1.5rem;
  font-weight: 600;
}

h4 {
  font-size: 1.25rem;
  font-weight: 500;
}

p {
  margin-bottom: var(--space-md);
  color: var(--text-medium);
}

a {
  color: var(--primary-green);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--primary-green-dark);
  text-decoration: none;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-sm) var(--space-lg);
  border: none;
  border-radius: var(--radius-md);
  font-family: var(--font-primary);
  font-size: 0.95rem;
  font-weight: 500;
  text-decoration: none;
  cursor: pointer;
  transition: all var(--transition-normal);
  white-space: nowrap;
  min-height: 44px;
}

.btn-primary {
  background-color: var(--primary-green);
  color: var(--white);
}

.btn-primary:hover {
  background-color: var(--primary-green-dark);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px var(--shadow-medium);
}

.btn-secondary {
  background-color: transparent;
  color: var(--primary-green);
  border: 2px solid var(--primary-green);
}

.btn-secondary:hover {
  background-color: var(--primary-green);
  color: var(--white);
}

.btn-outline {
  background-color: transparent;
  color: var(--text-medium);
  border: 1px solid var(--border-light);
}

.btn-outline:hover {
  background-color: var(--warm-beige);
  color: var(--text-dark);
}

/* Cards */
.card {
  background: var(--white);
  border-radius: var(--radius-lg);
  box-shadow: 0 2px 8px var(--shadow-light);
  transition: all var(--transition-normal);
  overflow: hidden;
}

.card:hover {
  box-shadow: 0 8px 24px var(--shadow-medium);
  transform: translateY(-2px);
}

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

.form-label {
  display: block;
  margin-bottom: var(--space-sm);
  font-weight: 500;
  color: var(--text-dark);
  font-size: 0.9rem;
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: var(--space-sm) var(--space-md);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  font-family: var(--font-primary);
  font-size: 0.95rem;
  color: var(--text-dark);
  background-color: var(--white);
  transition: all var(--transition-fast);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--primary-green);
  box-shadow: 0 0 0 3px rgba(44, 85, 48, 0.1);
}

/* Layout Utilities */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

.container-sm {
  max-width: 800px;
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

.container-lg {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

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

/* Flexbox Utilities */
.flex {
  display: flex;
}

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

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

.justify-center {
  justify-content: center;
}

.justify-between {
  justify-content: space-between;
}

.gap-sm {
  gap: var(--space-sm);
}

.gap-md {
  gap: var(--space-md);
}

.gap-lg {
  gap: var(--space-lg);
}

/* Spacing Utilities */
.mb-sm { margin-bottom: var(--space-sm); }
.mb-md { margin-bottom: var(--space-md); }
.mb-lg { margin-bottom: var(--space-lg); }
.mb-xl { margin-bottom: var(--space-xl); }

.mt-sm { margin-top: var(--space-sm); }
.mt-md { margin-top: var(--space-md); }
.mt-lg { margin-top: var(--space-lg); }
.mt-xl { margin-top: var(--space-xl); }

.p-sm { padding: var(--space-sm); }
.p-md { padding: var(--space-md); }
.p-lg { padding: var(--space-lg); }
.p-xl { padding: var(--space-xl); }

/* Text Utilities */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.text-sm { font-size: 0.875rem; }
.text-lg { font-size: 1.125rem; }
.text-xl { font-size: 1.25rem; }
.text-2xl { font-size: 1.5rem; }

.font-medium { font-weight: 500; }
.font-semibold { font-weight: 600; }
.font-bold { font-weight: 700; }

.text-primary { color: var(--primary-green); }
.text-secondary { color: var(--text-medium); }
.text-muted { color: var(--text-light); }

/* Badge */
.badge {
  display: inline-flex;
  align-items: center;
  padding: var(--space-xs) var(--space-sm);
  border-radius: var(--radius-sm);
  font-size: 0.75rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.badge-primary {
  background-color: var(--primary-green);
  color: var(--white);
}

.badge-secondary {
  background-color: var(--warm-beige);
  color: var(--text-dark);
}

/* Loading States */
.loading {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-2xl);
  color: var(--text-light);
  font-size: 1.1rem;
}

/* Error States */
.error {
  color: #dc2626;
  background-color: #fef2f2;
  border: 1px solid #fecaca;
  padding: var(--space-md);
  border-radius: var(--radius-md);
  margin-bottom: var(--space-lg);
}

/* Breadcrumb Navigation */
.breadcrumb {
  background: linear-gradient(135deg, var(--primary-green) 0%, var(--primary-green-light) 100%);
  padding: var(--space-md) var(--space-lg);
  margin-bottom: 0;
  border-bottom: 2px solid var(--primary-green-dark);
  box-shadow: 0 2px 8px var(--shadow-light);
  color: var(--white);
}

.breadcrumb a {
  color: var(--white);
  text-decoration: none;
  font-weight: 600;
  font-size: 1.1rem;
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.1);
  letter-spacing: 0.5px;
  transition: color var(--transition-fast);
}

.breadcrumb a:hover {
  color: rgba(255, 255, 255, 0.8);
  text-decoration: none;
}

.breadcrumb span {
  color: var(--white);
  font-weight: 600;
  font-size: 1.1rem;
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.1);
  letter-spacing: 0.5px;
}

.breadcrumb * {
  color: var(--white);
}

/* Responsive Design */
@media (max-width: 768px) {
  :root {
    --space-lg: 1rem;
    --space-xl: 1.5rem;
    --space-2xl: 2rem;
  }
  
  .container {
    padding: 0 var(--space-md);
  }
  
  h1 {
    font-size: 2rem;
  }
  
  h2 {
    font-size: 1.75rem;
  }
  
  .grid-2,
  .grid-3,
  .grid-4 {
    grid-template-columns: 1fr;
  }
  
  .breadcrumb {
    padding: var(--space-sm) var(--space-md);
  }
  
  .breadcrumb span {
    font-size: 1rem;
  }
}

@media (max-width: 480px) {
  .btn {
    width: 100%;
    justify-content: center;
  }
  
  .flex {
    flex-direction: column;
  }
  
  .justify-between {
    justify-content: center;
  }
  
  .breadcrumb {
    padding: var(--space-xs) var(--space-sm);
  }
  
  .breadcrumb span {
    font-size: 0.9rem;
  }
}