/**
 * CARD.PM - Main stylesheet
 * Following KISS and DRY principles
 */

/* -----------------------------
 * Base Styles
 * ----------------------------- */
:root {
  /* Color variables */
  --color-primary: #5f5f57;
  --color-primary-light: #5f5f57;
  --color-primary-dark: #5f5f57;
  --color-secondary: #34C759;
  --color-dark: #1D1D1F;
  --color-light: #F5F5F7;
  --color-gray-100: #F7F7F7;
  --color-gray-200: #E5E5E5;
  --color-gray-300: #D4D4D4;
  --color-gray-400: #A3A3A3;
  --color-gray-500: #737373;
  --color-gray-600: #525252;
  --color-gray-700: #404040;
  --color-gray-800: #262626;
  --color-gray-900: #171717;
  --color-success: #34C759;
  --color-warning: #FF9500;
  --color-danger: #FF3B30;
  --color-info: #5AC8FA;
  
  /* Spacing variables */
  --spacing-xs: 0.25rem;
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 1.5rem;
  --spacing-xl: 2rem;
  --spacing-2xl: 3rem;
  --spacing-3xl: 4rem;
  
  /* Font variables */
  --font-primary: 'Raleway', 'Helvetica', 'Arial', sans-serif;
  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size-md: 1rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.25rem;
  --font-size-2xl: 1.5rem;
  --font-size-3xl: 1.875rem;
  --font-size-4xl: 2.25rem;
  --font-size-5xl: 3rem;
  
  /* Border radius */
  --radius-sm: 0.25rem;
  --radius-md: 0.5rem;
  --radius-lg: 1rem;
  --radius-xl: 1.5rem;
  --radius-full: 9999px;
  
  /* Shadows */
  --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);
  
  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-normal: 300ms ease;
  --transition-slow: 500ms ease;
}

/* Base styles */
body {
  font-family: var(--font-primary);
  background-color: var(--color-light);
  color: var(--color-dark);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* -----------------------------
 * Layout Components
 * ----------------------------- */

/* Container */
.container {
  width: 100%;
  margin-left: auto;
  margin-right: auto;
  padding-left: 1rem;
  padding-right: 1rem;
}

@media (min-width: 640px) {
  .container {
    max-width: 640px;
  }
}

@media (min-width: 768px) {
  .container {
    max-width: 768px;
  }
}

@media (min-width: 1024px) {
  .container {
    max-width: 1024px;
  }
}

@media (min-width: 1280px) {
  .container {
    max-width: 1280px;
  }
}

/* Card component */
.card {
  background-color: white;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  overflow: hidden;
  transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

.card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
}

/* Button styles */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.5rem 1rem;
  border-radius: var(--radius-md);
  font-weight: 600;
  transition: all var(--transition-fast);
  cursor: pointer;
}

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

.btn-primary:hover {
  background-color: var(--color-primary-dark);
}

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

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

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

.btn-dark:hover {
  background-color: var(--color-gray-800);
}

.btn-light {
  background-color: var(--color-light);
  color: var(--color-dark);
}

.btn-light:hover {
  background-color: var(--color-gray-200);
}

.btn-sm {
  padding: 0.25rem 0.5rem;
  font-size: var(--font-size-sm);
}

.btn-lg {
  padding: 0.75rem 1.5rem;
  font-size: var(--font-size-lg);
}

/* Nav and header */
.navbar {
  position: sticky;
  top: 0;
  z-index: 50;
  background-color: rgba(255, 255, 255, 0.8);
  backdrop-filter: blur(8px);
  box-shadow: var(--shadow-sm);
  padding: 1rem 0;
}

/* -----------------------------
 * Components
 * ----------------------------- */

/* Hero section */
.hero-gradient {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
}

/* Feature card */
.feature-card {
  transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

.feature-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
}

/* Slider */
.slider-container {
  overflow: hidden;
  position: relative;
}

.slider {
  display: flex;
  transition: transform var(--transition-slow);
}

.slide {
  flex-shrink: 0;
}

.slider-indicator {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background-color: rgba(255, 255, 255, 0.5);
  margin: 0 5px;
  cursor: pointer;
  transition: background-color var(--transition-fast);
}

.slider-indicator.active {
  background-color: white;
  transform: scale(1.2);
}

/* Cart sidebar */
.sidebar {
  transition: transform var(--transition-normal);
  z-index: 999; /* Ensure it's above everything else */
}

.sidebar.open {
  transform: translateX(0);
}

.sidebar.closed {
  transform: translateX(100%);
}

/* Mobile cart fixes */
@media (max-width: 768px) {
  #cart-sidebar {
    width: 100%;
  }
  
  .cart-item {
    flex-direction: column;
  }
  
  .cart-item-image {
    margin-bottom: 0.5rem;
  }
}

/* Cart item */
.cart-item {
  padding: 1rem 0;
  border-bottom: 1px solid var(--color-gray-200);
}

.cart-item:last-child {
  border-bottom: none;
}

/* Mobile menu */
#mobile-menu {
  transition: opacity var(--transition-normal);
}

/* Checkout form */
#checkout-form-modal {
  z-index: 100;
}

/* Forms */
.form-control {
  width: 100%;
  padding: 0.5rem 0.75rem;
  border: 1px solid var(--color-gray-300);
  border-radius: var(--radius-md);
  background-color: white;
  font-size: var(--font-size-md);
  transition: border-color var(--transition-fast);
}

.form-control:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(10, 132, 255, 0.2);
}

.form-label {
  display: block;
  margin-bottom: 0.5rem;
  font-weight: 500;
  color: var(--color-gray-700);
}

/* Utility classes */
.text-primary { color: var(--color-primary); }
.text-secondary { color: var(--color-secondary); }
.text-dark { color: var(--color-dark); }
.text-light { color: var(--color-light); }
.text-gray { color: var(--color-gray-500); }
.text-success { color: var(--color-success); }
.text-warning { color: var(--color-warning); }
.text-danger { color: var(--color-danger); }

.bg-primary { background-color: var(--color-primary); }
.bg-secondary { background-color: var(--color-secondary); }
.bg-dark { background-color: var(--color-dark); }
.bg-light { background-color: var(--color-light); }
.bg-gray { background-color: var(--color-gray-200); }
.bg-success { background-color: var(--color-success); }
.bg-warning { background-color: var(--color-warning); }
.bg-danger { background-color: var(--color-danger); }

/* Responsive utilities */
@media (max-width: 640px) {
  .hidden-sm {
    display: none !important;
  }
}

@media (max-width: 768px) {
  .hidden-md {
    display: none !important;
  }
}

@media (max-width: 1024px) {
  .hidden-lg {
    display: none !important;
  }
}

/* Order confirmation page specific */
.order-step {
  position: relative;
  z-index: 1;
}

.order-progress-line {
  position: absolute;
  top: 50%;
  left: 0;
  right: 0;
  height: 2px;
  background-color: var(--color-gray-200);
  z-index: -1;
  transform: translateY(-50%);
}

.order-progress-line-active {
  background-color: var(--color-success);
  height: 100%;
  transition: width var(--transition-normal);
}