:root {
  /* Color Palette */
  --primary: #FF6B6B;
  --primary-dark: #E05555;
  --secondary: #4ECDC4;
  --dark: #292F36;
  --light: #F7FFF7;
  --gray: #E0E0E0;
  --dark-gray: #5C6B73;
  
  /* Spacing */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  
  /* Typography */
  --text-sm: 0.875rem;
  --text-base: 1rem;
  --text-lg: 1.125rem;
  --text-xl: 1.25rem;
  --text-2xl: 1.5rem;
  --text-3xl: 2rem;
  
  /* Effects */
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.12);
  --shadow-md: 0 4px 6px rgba(0,0,0,0.1);
  --shadow-lg: 0 10px 25px rgba(0,0,0,0.1);
  --transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
}

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

body {
  font-family: 'Poppins', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
  background-color: var(--light);
  color: var(--dark);
  line-height: 1.6;
}

/* Layout */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-md);
}

/* Header */
.header {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: white;
  box-shadow: var(--shadow-sm);
  padding: var(--space-md) 0;
}

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

.nav-logo {
  font-size: var(--text-xl);
  font-weight: 700;
  color: var(--primary);
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.nav-logo i {
  font-size: var(--text-lg);
}

.nav-links {
  display: flex;
  gap: var(--space-lg);
}

.nav-link {
  color: var(--dark-gray);
  text-decoration: none;
  font-weight: 500;
  position: relative;
  padding: var(--space-sm) 0;
  transition: var(--transition);
}

.nav-link:hover, .nav-link.active {
  color: var(--primary);
}

.nav-link.active::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background-color: var(--primary);
}

/* Hero Section */
.hero {
  padding: var(--space-xl) 0;
  text-align: center;
  background: linear-gradient(135deg, rgba(255,107,107,0.1) 0%, rgba(78,205,196,0.1) 100%);
  border-radius: 0 0 2rem 2rem;
  margin-bottom: var(--space-xl);
}

.hero-title {
  font-size: var(--text-3xl);
  font-weight: 700;
  margin-bottom: var(--space-sm);
  background: linear-gradient(to right, var(--primary), var(--secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-subtitle {
  color: var(--dark-gray);
  max-width: 600px;
  margin: 0 auto var(--space-lg);
}

/* Search */
.search-container {
  max-width: 600px;
  margin: 0 auto;
  position: relative;
}

.search-input {
  width: 100%;
  padding: var(--space-md);
  padding-left: var(--space-xl);
  border: 2px solid var(--gray);
  border-radius: 50px;
  font-size: var(--text-base);
  transition: var(--transition);
  box-shadow: var(--shadow-sm);
}

.search-input:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(255, 107, 107, 0.2);
}

.search-icon {
  position: absolute;
  left: var(--space-md);
  top: 50%;
  transform: translateY(-50%);
  color: var(--dark-gray);
}

/* Filters */
.filters {
  display: flex;
  gap: var(--space-sm);
  flex-wrap: wrap;
  justify-content: center;
  margin: var(--space-lg) 0;
}

.filter-btn {
  padding: var(--space-sm) var(--space-md);
  background: white;
  border: none;
  border-radius: 50px;
  font-size: var(--text-sm);
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition);
  box-shadow: var(--shadow-sm);
  display: flex;
  align-items: center;
  gap: var(--space-xs);
}

.filter-btn:hover, .filter-btn.active {
  background: var(--primary);
  color: white;
}

.filter-btn i {
  font-size: var(--text-sm);
}

/* Recipes Grid */
.recipes-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: var(--space-lg);
  margin: var(--space-xl) 0;
}

.recipe-card {
  background: white;
  border-radius: 1rem;
  overflow: hidden;
  box-shadow: var(--shadow-md);
  transition: var(--transition);
  position: relative;
}

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

.recipe-image {
  width: 100%;
  height: 200px;
  object-fit: cover;
}

.recipe-content {
  padding: var(--space-md);
}

.recipe-title {
  font-size: var(--text-lg);
  font-weight: 600;
  margin-bottom: var(--space-sm);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.recipe-description {
  color: var(--dark-gray);
  font-size: var(--text-sm);
  margin-bottom: var(--space-md);
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.recipe-meta {
  display: flex;
  justify-content: space-between;
  color: var(--dark-gray);
  font-size: var(--text-sm);
}

.recipe-badge {
  position: absolute;
  top: var(--space-md);
  right: var(--space-md);
  background: var(--primary);
  color: white;
  padding: var(--space-xs) var(--space-sm);
  border-radius: 50px;
  font-size: var(--text-sm);
  font-weight: 600;
}

/* Footer */
.footer {
  background: var(--dark);
  color: white;
  padding: var(--space-xl) 0;
  margin-top: var(--space-xl);
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-lg);
}

.footer-logo {
  font-size: var(--text-xl);
  font-weight: 700;
  color: white;
  margin-bottom: var(--space-md);
  display: inline-block;
}

.footer-links {
  list-style: none;
}

.footer-link {
  margin-bottom: var(--space-sm);
}

.footer-link a {
  color: var(--gray);
  text-decoration: none;
  transition: var(--transition);
}

.footer-link a:hover {
  color: white;
}

.social-links {
  display: flex;
  gap: var(--space-md);
  margin-top: var(--space-md);
}

.social-link {
  color: white;
  font-size: var(--text-lg);
  transition: var(--transition);
}

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

.copyright {
  text-align: center;
  margin-top: var(--space-xl);
  padding-top: var(--space-md);
  border-top: 1px solid rgba(255,255,255,0.1);
  color: var(--gray);
  font-size: var(--text-sm);
}

/* Responsive */
@media (max-width: 768px) {
  .hero-title {
    font-size: var(--text-2xl);
  }
  
  .recipes-grid {
    grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  }
}

@media (max-width: 480px) {
  .navbar {
    flex-direction: column;
    gap: var(--space-md);
  }
  
  .nav-links {
    width: 100%;
    justify-content: space-around;
  }
  
  .hero {
    padding: var(--space-lg) 0;
  }
}



/* Recipe Detail Page */
.recipe-detail {
  padding: 2rem 0;
}

.recipe-header {
  position: relative;
  margin-bottom: 2rem;
  border-radius: 1rem;
  overflow: hidden;
  box-shadow: 0 10px 30px rgba(0,0,0,0.1);
}

.recipe-hero {
  width: 100%;
  height: 400px;
  object-fit: cover;
}

.recipe-title {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 2rem;
  background: linear-gradient(to top, rgba(0,0,0,0.8), transparent);
  color: white;
}

.recipe-title h1 {
  font-size: 2.5rem;
  margin-bottom: 0.5rem;
}

.recipe-meta {
  display: flex;
  gap: 1.5rem;
}

.recipe-meta span {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

/* Ingredients & Steps */
.ingredients, .instructions {
  margin-bottom: 3rem;
}

.ingredients h2, .instructions h2, .video h2 {
  font-size: 1.5rem;
  margin-bottom: 1.5rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--primary);
}

.ingredient-list {
  list-style: none;
}

.ingredient-list li {
  margin-bottom: 0.75rem;
  display: flex;
  align-items: center;
}

.ingredient-list input[type="checkbox"] {
  margin-right: 1rem;
  width: 1.2rem;
  height: 1.2rem;
}

.step {
  display: flex;
  gap: 1rem;
  margin-bottom: 1.5rem;
  padding: 1.5rem;
  border-radius: 0.5rem;
  background: white;
  box-shadow: 0 2px 10px rgba(0,0,0,0.05);
}

.step-number {
  width: 2.5rem;
  height: 2.5rem;
  background: var(--primary);
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: bold;
}

.timer-btn {
  margin-top: 0.5rem;
  padding: 0.5rem 1rem;
  background: var(--secondary);
  color: white;
  border: none;
  border-radius: 0.3rem;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

/* Cooking Mode Bar */
.cooking-mode-bar {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: var(--primary);
  padding: 1rem;
  text-align: center;
  z-index: 100;
}

.btn-cooking-mode {
  background: white;
  color: var(--primary);
  border: none;
  padding: 0.75rem 2rem;
  border-radius: 2rem;
  font-weight: bold;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  box-shadow: 0 4px 15px rgba(0,0,0,0.1);
}

/* Timer Modal */
.timer-modal {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0,0,0,0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
}

.timer-content {
  background: white;
  padding: 2rem;
  border-radius: 1rem;
  text-align: center;
  position: relative;
  width: 90%;
  max-width: 400px;
}

.timer-display {
  font-size: 3rem;
  font-family: monospace;
  margin: 1.5rem 0;
}

.timer-controls button {
  background: var(--primary);
  color: white;
  border: none;
  width: 3rem;
  height: 3rem;
  border-radius: 50%;
  margin: 0 0.5rem;
  cursor: pointer;
  font-size: 1.2rem;
}

.timer-close {
  position: absolute;
  top: 1rem;
  right: 1rem;
  background: none;
  border: none;
  font-size: 1.5rem;
  cursor: pointer;
  color: var(--dark-gray);
}



/* Recipe Detail Page */
.recipe-detail {
  padding: 2rem 0;
}

.recipe-header {
  position: relative;
  margin-bottom: 2rem;
  border-radius: 1rem;
  overflow: hidden;
  box-shadow: 0 10px 30px rgba(0,0,0,0.1);
}

.recipe-hero {
  width: 100%;
  height: 400px;
  object-fit: cover;
}

.recipe-title {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 2rem;
  background: linear-gradient(to top, rgba(0,0,0,0.8), transparent);
  color: white;
}

.recipe-title h1 {
  font-size: 2.5rem;
  margin-bottom: 0.5rem;
}

.recipe-meta {
  display: flex;
  gap: 1.5rem;
}

.recipe-meta span {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

/* Ingredients & Steps */
.ingredients, .instructions {
  margin-bottom: 3rem;
}

.ingredients h2, .instructions h2 {
  font-size: 1.5rem;
  margin-bottom: 1.5rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--primary);
}

.ingredient-list {
  list-style: none;
  background: white;
  padding: 1.5rem;
  border-radius: 0.5rem;
  box-shadow: 0 2px 10px rgba(0,0,0,0.05);
}

.ingredient-list li {
  margin-bottom: 0.75rem;
  display: flex;
  align-items: center;
}

.ingredient-list input[type="checkbox"] {
  margin-right: 1rem;
  width: 1.2rem;
  height: 1.2rem;
}

.step {
  display: flex;
  gap: 1rem;
  margin-bottom: 1.5rem;
  padding: 1.5rem;
  border-radius: 0.5rem;
  background: white;
  box-shadow: 0 2px 10px rgba(0,0,0,0.05);
}

.step-number {
  width: 2.5rem;
  height: 2.5rem;
  background: var(--primary);
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: bold;
}

.error-message {
  text-align: center;
  padding: 4rem 0;
}

.error-message .btn {
  display: inline-block;
  margin-top: 1rem;
  padding: 0.75rem 1.5rem;
  background: var(--primary);
  color: white;
  border-radius: 0.3rem;
  text-decoration: none;
}