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

body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  background-color: #0d0d0d;
  color: #fff;
  overflow-x: hidden;
}

/* Side Navigation */
.side-nav {
  position: fixed;
  left: 0;
  top: 0;
  height: 100vh;
  width: 250px;
  background-color: #0f0f0f;
  transform: translateX(-250px);
  transition: transform 0.5s ease;
  z-index: 1000;
  display: flex;
}

.side-nav.open {
  transform: translateX(0);
}

.nav-tab {
  position: absolute;
  right: -50px;
  top: 20px;
  width: 50px;
  height: 50px;
  background-color: #0f0f0f;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  border-radius: 0 5px 5px 0;
  transition: all 0.3s ease;
}

.nav-tab:hover {
  background-color: #1a1a1a;
}

.nav-tab i {
  color: #fff;
}

.nav-content {
  width: 100%;
  padding: 50px 20px 20px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.nav-links {
  list-style: none;
  padding: 0;
  margin: 0;
}

.nav-links li {
  margin-bottom: 15px;
  opacity: 0;
  transform: translateY(20px);
  transition: all 0.5s ease;
}

.side-nav.open .nav-links li {
  opacity: 1;
  transform: translateY(0);
}

.side-nav.open .nav-links li:nth-child(1) {
  transition-delay: 0.1s;
}

.side-nav.open .nav-links li:nth-child(2) {
  transition-delay: 0.2s;
}

.side-nav.open .nav-links li:nth-child(3) {
  transition-delay: 0.3s;
}

.side-nav.open .nav-links li:nth-child(4) {
  transition-delay: 0.4s;
}

.side-nav.open .nav-links li:nth-child(5) {
  transition-delay: 0.5s;
}

.nav-links a {
  color: #fff;
  text-decoration: none;
  font-size: 18px;
  font-weight: 500;
  transition: all 0.3s ease;
  display: block;
  padding: 8px 0;
}

.nav-links a:hover {
  color: #f00;
  padding-left: 10px;
}

.nav-footer {
  margin-top: auto;
}

.social-links {
  display: flex;
  gap: 15px;
  margin-bottom: 20px;
}

.social-links i {
  cursor: pointer;
  transition: all 0.3s ease;
}

.social-links i:hover {
  color: #f00;
  transform: scale(1.2);
}

.copyright {
  font-size: 12px;
  color: #999;
  margin: 0;
}

/* Main Content */
.main-content {
  margin-left: 0;
  transition: margin-left 0.5s ease;
  min-height: 100vh;
  padding: 20px;
}

.side-nav.open ~ .main-content {
  margin-left: 250px;
}

/* Loading Spinner */
.loading-spinner {
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  z-index: 999;
  display: none;
}

.loading-spinner.show {
  display: block;
}

.loading-spinner i {
  color: #f00;
}

/* Section Content */
.section-content {
  display: none;
}

.section-content.active {
  display: block;
}

/* Search Inputs */
.search-input {
  background-color: transparent;
  border: 1px solid #555;
  color: #fff;
  padding: 15px;
  font-size: 16px;
  border-radius: 5px;
}

.search-input:focus {
  background-color: transparent;
  border-color: #f00;
  color: #fff;
  box-shadow: 0 0 10px rgba(255, 0, 0, 0.3);
}

.search-input::placeholder {
  color: #999;
}

/* Meal Card */
.meal-card {
  position: relative;
  border-radius: 10px;
  overflow: hidden;
  cursor: pointer;
  height: 300px;
}

.meal-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s ease;
}

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

.meal-card .meal-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(255, 255, 255, 0.9);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  transform: translateY(100%);
  transition: transform 0.3s ease;
}

.meal-card:hover .meal-overlay {
  transform: translateY(0);
}

.meal-overlay h3 {
  color: #000;
  font-size: 24px;
  font-weight: 700;
  text-align: center;
}

/* Category Card */
.category-card {
  text-align: center;
  padding: 30px;
  border-radius: 10px;
  background-color: #1a1a1a;
  cursor: pointer;
  transition: all 0.3s ease;
  height: 100%;
}

.category-card:hover {
  background-color: #2a2a2a;
  transform: translateY(-5px);
  box-shadow: 0 10px 30px rgba(255, 0, 0, 0.3);
}

.category-card i {
  font-size: 50px;
  color: #f00;
  margin-bottom: 15px;
}

.category-card img {
  width: 100%;
  height: 200px;
  object-fit: cover;
  border-radius: 10px;
  margin-bottom: 15px;
}

.category-card h3 {
  font-size: 22px;
  font-weight: 700;
  margin-bottom: 10px;
  color: #fff;
}

.category-card p {
  font-size: 14px;
  color: #999;
  line-height: 1.6;
  display: -webkit-box;
  
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* Area & Ingredient Card */
.area-card,
.ingredient-card {
  text-align: center;
  padding: 30px;
  border-radius: 10px;
  background-color: #1a1a1a;
  cursor: pointer;
  transition: all 0.3s ease;
}

.area-card:hover,
.ingredient-card:hover {
  background-color: #2a2a2a;
  transform: translateY(-5px);
  box-shadow: 0 10px 30px rgba(255, 0, 0, 0.3);
}

.area-card i {
  font-size: 50px;
  color: #f00;
  margin-bottom: 15px;
}

.ingredient-card img {
  width: 100%;
  height: 150px;
  object-fit: contain;
  margin-bottom: 15px;
}

.area-card h3,
.ingredient-card h3 {
  font-size: 22px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 5px;
}

.ingredient-card p {
  font-size: 14px;
  color: #999;
  display: -webkit-box;
  
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* Meal Details */
.meal-details-container {
  color: #fff;
}

.meal-details-image {
  width: 100%;
  max-width: 400px;
  margin: 0 auto;
}

.meal-details-image img {
  width: 100%;
  height: auto;
  border-radius: 10px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
}

.meal-details-container h2 {
  font-size: 32px;
  font-weight: 700;
  margin-bottom: 15px;
  text-align: center;
}

.meal-details-container h3 {
  font-size: 22px;
  font-weight: 600;
  margin-top: 25px;
  margin-bottom: 12px;
  color: #fff;
}

.meal-details-container h3 span {
  color: #f00;
  font-weight: 700;
}

.meal-details-container p {
  line-height: 1.8;
  color: #ccc;
  margin-bottom: 15px;
  text-align: justify;
}

.meal-info {
  display: flex;
  flex-wrap: wrap;
  gap: 15px;
  margin: 20px 0;
}

.meal-info span {
  background-color: #1a1a1a;
  padding: 8px 20px;
  border-radius: 5px;
  font-weight: 500;
}

.recipes-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 20px 0;
}

.recipe-item {
  background-color: #1a1a1a;
  padding: 10px 20px;
  border-radius: 5px;
  font-size: 14px;
}

.tags-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 20px 0;
}

.tag-item {
  background-color: #f00;
  padding: 8px 20px;
  border-radius: 20px;
  font-size: 14px;
}

.meal-links {
  display: flex;
  gap: 15px;
  margin-top: 30px;
}

.meal-links a {
  padding: 12px 30px;
  border-radius: 5px;
  text-decoration: none;
  font-weight: 600;
  transition: all 0.3s ease;
}

.btn-source {
  background-color: #28a745;
  color: #fff;
}

.btn-source:hover {
  background-color: #218838;
  transform: scale(1.05);
}

.btn-youtube {
  background-color: #f00;
  color: #fff;
}

.btn-youtube:hover {
  background-color: #cc0000;
  transform: scale(1.05);
}

/* Contact Form */
.contact-input {
  background-color: transparent;
  border: 1px solid #555;
  color: #fff;
  padding: 15px;
  font-size: 16px;
  border-radius: 5px;
}

.contact-input:focus {
  background-color: transparent;
  border-color: #28a745;
  color: #fff;
  box-shadow: 0 0 10px rgba(40, 167, 69, 0.3);
}

.contact-input.is-valid {
  border-color: #28a745;
}

.contact-input.is-invalid {
  border-color: #dc3545;
}

.contact-input::placeholder {
  color: #999;
}

#submitBtn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* Animations */
@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.meal-card,
.category-card,
.area-card,
.ingredient-card {
  animation: fadeIn 0.5s ease forwards;
}