/* ===================================
   Global Styles & CSS Variables
   =================================== */

:root {
  /* Color Palette */
  --color-background: #141414;
  --color-surface: #1a1a1a;
  --color-primary: #e50914;
  --color-primary-hover: #f40612;
  --color-text: #ffffff;
  --color-text-secondary: #b3b3b3;
  --color-border: #2a2a2a;

  /* Spacing */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 1.5rem;
  --spacing-lg: 2rem;
  --spacing-xl: 3rem;

  /* Typography */
  --font-primary: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
    "Helvetica Neue", Arial, sans-serif;

  /* Effects */
  --transition-speed: 0.3s;
  --border-radius: 4px;
}

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

body {
  font-family: var(--font-primary);
  background-color: var(--color-background);
  color: var(--color-text);
  overflow-x: hidden;
}

/* ===================================
   Navbar Styles
   =================================== */

.navbar {
  position: fixed;
  top: 0;
  width: 100%;
  padding: 1rem 4%;
  z-index: 1000;
  transition: background-color var(--transition-speed);
}

.navbar.scrolled {
  background-color: rgba(20, 20, 20, 0.95);
  backdrop-filter: blur(10px);
}

.navbar-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  max-width: 1920px;
  margin: 0 auto;
}

.logo {
  font-size: 2rem;
  font-weight: 800;
  color: var(--color-primary);
  letter-spacing: 2px;
  cursor: pointer;
  transition: transform var(--transition-speed);
}

.logo:hover {
  transform: scale(1.05);
}

.navbar-right {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
}

.search-container {
  display: flex;
  align-items: center;
  background: rgba(0, 0, 0, 0.5);
  border: 1px solid var(--color-border);
  border-radius: 4px;
  padding: 0.5rem 1rem;
  transition: all var(--transition-speed);
}

.search-container:focus-within {
  background: rgba(0, 0, 0, 0.8);
  border-color: var(--color-text);
}

.search-input {
  background: transparent;
  border: none;
  color: var(--color-text);
  outline: none;
  width: 200px;
  font-size: 0.9rem;
}

.search-input::placeholder {
  color: var(--color-text-secondary);
}

.search-btn {
  background: transparent;
  border: none;
  color: var(--color-text);
  cursor: pointer;
  display: flex;
  align-items: center;
  padding: 0;
  margin-left: 0.5rem;
}

.avatar {
  width: 40px;
  height: 40px;
  border-radius: 4px;
  cursor: pointer;
  transition: transform var(--transition-speed);
}

.avatar:hover {
  transform: scale(1.1);
}

/* ===================================
   Banner / Hero Section
   =================================== */

.banner {
  position: relative;
  height: 80vh;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  display: flex;
  align-items: center;
  padding: 0 4%;
  margin-bottom: var(--spacing-lg);
}

.banner-content {
  position: relative;
  z-index: 2;
  max-width: 600px;
  padding-top: 80px;
}

.banner-title {
  font-size: 3.5rem;
  font-weight: 800;
  margin-bottom: var(--spacing-md);
  text-shadow: 2px 2px 8px rgba(0, 0, 0, 0.8);
  line-height: 1.1;
}

.banner-description {
  font-size: 1.2rem;
  line-height: 1.6;
  color: var(--color-text);
  text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.8);
  margin-top: var(--spacing-md);
  max-width: 500px;
  display: -webkit-box;
  -webkit-line-clamp: 4;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.banner-buttons {
  display: flex;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-sm);
}

.btn-play,
.btn-info,
.btn-primary,
.btn-secondary {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.8rem 2rem;
  font-size: 1.1rem;
  font-weight: 600;
  border: none;
  border-radius: var(--border-radius);
  cursor: pointer;
  transition: all var(--transition-speed);
}

.btn-play {
  background-color: var(--color-text);
  color: var(--color-background);
}

.btn-play:hover {
  background-color: rgba(255, 255, 255, 0.8);
  transform: scale(1.05);
}

.btn-info,
.btn-secondary {
  background-color: rgba(109, 109, 110, 0.7);
  color: var(--color-text);
}

.btn-info:hover,
.btn-secondary:hover {
  background-color: rgba(109, 109, 110, 0.5);
  transform: scale(1.05);
}

.btn-primary {
  background-color: var(--color-primary);
  color: var(--color-text);
  width: 100%;
  justify-content: center;
  margin-top: var(--spacing-sm);
}

.btn-primary:hover {
  background-color: var(--color-primary-hover);
  transform: scale(1.02);
}

.banner-fade {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 200px;
  background: linear-gradient(180deg, transparent, var(--color-background));
  z-index: 1;
}

/* ===================================
   Movie Rows
   =================================== */

.rows-container {
  padding: 0 4%;
  margin-bottom: var(--spacing-xl);
}

.row {
  margin-bottom: var(--spacing-xl);
}

.row-title {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: var(--spacing-sm);
  color: var(--color-text);
}

.row-posters {
  display: flex;
  gap: var(--spacing-sm);
  overflow-x: scroll;
  overflow-y: hidden;
  padding: var(--spacing-sm) 0;
  scroll-behavior: smooth;
}

.row-posters::-webkit-scrollbar {
  height: 8px;
}

.row-posters::-webkit-scrollbar-track {
  background: var(--color-surface);
}

.row-posters::-webkit-scrollbar-thumb {
  background: var(--color-text-secondary);
  border-radius: 4px;
}

.row-posters::-webkit-scrollbar-thumb:hover {
  background: var(--color-text);
}

.movie-card {
  flex: 0 0 auto;
  width: 200px;
  cursor: pointer;
  transition: transform var(--transition-speed);
  position: relative;
}

.movie-card:hover {
  transform: scale(1.08);
  z-index: 10;
}

.movie-card img {
  width: 100%;
  border-radius: var(--border-radius);
  display: block;
}

.movie-card-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  background: linear-gradient(180deg, transparent, rgba(0, 0, 0, 0.9));
  padding: var(--spacing-sm);
  opacity: 0;
  transition: opacity var(--transition-speed);
  border-radius: var(--border-radius);
}

.movie-card:hover .movie-card-overlay {
  opacity: 1;
}

.movie-card-title {
  font-size: 0.9rem;
  font-weight: 600;
  margin-bottom: 0.3rem;
}

.movie-card-rating {
  font-size: 0.8rem;
  color: #ffd700;
}

/* ===================================
   Modal Styles
   =================================== */

.modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem;
}

.modal.hidden {
  display: none;
}

.modal-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.8);
  backdrop-filter: blur(5px);
}

.modal-content {
  position: relative;
  background: var(--color-surface);
  border-radius: 8px;
  max-width: 900px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  z-index: 2001;
  animation: modalSlideIn 0.3s ease-out;
}

@keyframes modalSlideIn {
  from {
    transform: translateY(100px);
    opacity: 0;
  }
  to {
    transform: translateY(0);
    opacity: 1;
  }
}

.modal-close {
  position: absolute;
  top: 1rem;
  right: 1rem;
  background: rgba(0, 0, 0, 0.7);
  color: var(--color-text);
  border: none;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  font-size: 1.5rem;
  cursor: pointer;
  z-index: 2002;
  transition: all var(--transition-speed);
}

.modal-close:hover {
  background: rgba(0, 0, 0, 0.9);
  transform: scale(1.1);
}

.modal-backdrop {
  width: 100%;
  height: 400px;
  background-size: cover;
  background-position: center;
  border-radius: 8px 8px 0 0;
  position: relative;
}

.modal-backdrop::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 150px;
  background: linear-gradient(180deg, transparent, var(--color-surface));
}

.modal-details {
  padding: var(--spacing-lg);
  display: flex;
  gap: var(--spacing-lg);
}

.modal-poster {
  width: 200px;
  border-radius: var(--border-radius);
  flex-shrink: 0;
}

.modal-info {
  flex: 1;
}

.modal-info h2 {
  font-size: 2rem;
  margin-bottom: var(--spacing-sm);
}

.modal-meta {
  display: flex;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-sm);
  flex-wrap: wrap;
}

.rating {
  color: #ffd700;
  font-weight: 600;
}

.genres {
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-sm);
  font-size: 0.9rem;
}

.overview {
  line-height: 1.6;
  margin-bottom: var(--spacing-md);
}

.modal-buttons {
  display: flex;
  gap: var(--spacing-sm);
}

/* ===================================
   Search Page
   =================================== */

.search-results {
  padding: 100px 4% var(--spacing-xl);
  min-height: 100vh;
}

.search-results h2 {
  font-size: 2rem;
  margin-bottom: var(--spacing-lg);
}

.search-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: var(--spacing-md);
}

/* ===================================
   Auth Pages
   =================================== */

.auth-page {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  padding: var(--spacing-lg);
  background: linear-gradient(135deg, #141414 0%, #1a1a1a 100%);
}

.auth-page.hidden {
  display: none;
}

.auth-container {
  background: rgba(0, 0, 0, 0.75);
  padding: var(--spacing-xl);
  border-radius: 8px;
  width: 100%;
  max-width: 450px;
  backdrop-filter: blur(10px);
  border: 1px solid var(--color-border);
}

.auth-container h2 {
  font-size: 2rem;
  margin-bottom: var(--spacing-lg);
  text-align: center;
}

.auth-container form {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.auth-container input {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  color: var(--color-text);
  padding: 1rem;
  border-radius: var(--border-radius);
  font-size: 1rem;
  outline: none;
  transition: border-color var(--transition-speed);
}

.auth-container input:focus {
  border-color: var(--color-text);
}

.auth-container p {
  text-align: center;
  margin-top: var(--spacing-md);
  color: var(--color-text-secondary);
}

.auth-container a {
  color: var(--color-text);
  text-decoration: none;
  font-weight: 600;
  transition: color var(--transition-speed);
}

.auth-container a:hover {
  color: var(--color-primary);
  text-decoration: underline;
}

/* ===================================
   Utility Classes
   =================================== */

.hidden {
  display: none !important;
}

/* ===================================
   Responsive Design
   =================================== */

@media (max-width: 768px) {
  .banner-title {
    font-size: 2rem;
  }

  .banner-description {
    font-size: 1rem;
  }

  .movie-card {
    width: 150px;
  }

  .modal-details {
    flex-direction: column;
  }

  .modal-poster {
    width: 100%;
  }

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

  .btn-play,
  .btn-info {
    padding: 0.6rem 1.5rem;
    font-size: 1rem;
  }
}

@media (max-width: 480px) {
  .banner {
    height: 60vh;
  }

  .banner-title {
    font-size: 1.5rem;
  }

  .movie-card {
    width: 120px;
  }

  .search-input {
    width: 120px;
  }
}