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

:root {
  --primary-color: #e50914;
  --primary-hover: #b00710;
  --bg-dark: #0d0d0d;
  --bg-card: #1a1a1a;
  --bg-card-hover: #252525;
  --text-primary: #ffffff;
  --text-secondary: #b3b3b3;
  --border-color: #333333;
  --shadow: 0 4px 6px rgba(0, 0, 0, 0.3);
  --shadow-lg: 0 8px 16px rgba(0, 0, 0, 0.4);
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
  background: var(--bg-dark);
  color: var(--text-primary);
  line-height: 1.6;
  min-height: 100vh;
}

.container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 20px;
}

/* Header */
.header {
  background: var(--bg-card);
  border-bottom: 1px solid var(--border-color);
  padding: 1rem 0;
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: var(--shadow);
}

.header-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
}

.logo {
  font-size: 1.5rem;
  color: var(--primary-color);
  font-weight: bold;
  transition: opacity 0.2s;
}

.logo:hover {
  opacity: 0.8;
}

.nav {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.nav-btn {
  background: transparent;
  border: none;
  color: var(--text-primary);
  padding: 0.5rem 1rem;
  cursor: pointer;
  border-radius: 4px;
  transition: background 0.2s;
  font-size: 1rem;
}

.nav-btn:hover {
  background: var(--bg-card-hover);
}

.user-menu {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.user-info {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.user-info span {
  color: var(--text-secondary);
}

/* Buttons */
.btn-primary, .btn-secondary {
  padding: 0.6rem 1.2rem;
  border: none;
  border-radius: 6px;
  cursor: pointer;
  font-size: 0.95rem;
  font-weight: 500;
  transition: all 0.2s;
}

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

.btn-primary:hover {
  background: var(--primary-hover);
  transform: translateY(-1px);
  box-shadow: var(--shadow);
}

.btn-secondary {
  background: var(--bg-card-hover);
  color: var(--text-primary);
}

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

/* Main Content */
.main {
  padding: 2rem 0;
  min-height: calc(100vh - 80px);
}

.view {
  animation: fadeIn 0.3s ease-in;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.section-title {
  font-size: 1.8rem;
  margin-bottom: 1.5rem;
  color: var(--text-primary);
  font-weight: 600;
}

/* Search Bar */
.search-bar {
  display: flex;
  gap: 1rem;
  margin-bottom: 2rem;
  max-width: 600px;
}

.search-input {
  flex: 1;
  padding: 0.8rem 1rem;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  color: var(--text-primary);
  font-size: 1rem;
  transition: border-color 0.2s;
}

.search-input:focus {
  outline: none;
  border-color: var(--primary-color);
}

/* Grids */
.anime-grid, .episodes-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 1.5rem;
  margin-bottom: 2rem;
}

@media (max-width: 768px) {
  .anime-grid, .episodes-grid {
    grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    gap: 1rem;
  }
}

/* Anime Card */
.anime-card, .episode-card {
  background: var(--bg-card);
  border-radius: 8px;
  overflow: hidden;
  transition: all 0.3s;
  cursor: pointer;
  border: 1px solid var(--border-color);
  position: relative;
}

.anime-card:hover, .episode-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--primary-color);
}

.continue-watching-card {
  display: flex;
  align-items: flex-start;
}

.episode-card-content {
  flex: 1;
  cursor: pointer;
}

.btn-remove {
  position: absolute;
  top: 8px;
  right: 8px;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: rgba(229, 9, 20, 0.9);
  color: white;
  border: none;
  cursor: pointer;
  font-size: 18px;
  font-weight: bold;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s;
  z-index: 10;
  opacity: 0;
}

.continue-watching-card:hover .btn-remove {
  opacity: 1;
}

.btn-remove:hover {
  background: var(--primary-color);
  transform: scale(1.1);
}

.anime-card img, .episode-card img {
  width: 100%;
  aspect-ratio: 3/4;
  object-fit: cover;
  display: block;
}

.anime-card-info, .episode-card-info {
  padding: 1rem;
}

.anime-card-title, .episode-card-title {
  font-size: 0.95rem;
  font-weight: 500;
  margin-bottom: 0.5rem;
  color: var(--text-primary);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.episode-card-number {
  font-size: 0.85rem;
  color: var(--text-secondary);
}

.episode-card-continue {
  margin-top: 0.5rem;
  font-size: 0.8rem;
  color: var(--primary-color);
}

/* Anime Detail */
.anime-detail {
  max-width: 1200px;
}

.anime-detail-header {
  display: grid;
  grid-template-columns: 250px 1fr;
  gap: 2rem;
  margin-bottom: 2rem;
}

@media (max-width: 768px) {
  .anime-detail-header {
    grid-template-columns: 1fr;
  }
}

.anime-detail-cover img {
  width: 100%;
  border-radius: 8px;
  box-shadow: var(--shadow-lg);
}

.anime-detail-info h2 {
  font-size: 2rem;
  margin-bottom: 1rem;
  color: var(--text-primary);
}

.anime-detail-meta {
  display: flex;
  gap: 1rem;
  margin-bottom: 1rem;
  flex-wrap: wrap;
}

.anime-detail-meta span {
  padding: 0.3rem 0.8rem;
  background: var(--bg-card-hover);
  border-radius: 4px;
  font-size: 0.85rem;
  color: var(--text-secondary);
}

.anime-detail-synopsis {
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: 2rem;
}

.episodes-list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
  gap: 0.75rem;
}

.episode-btn {
  padding: 0.8rem;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  color: var(--text-primary);
  cursor: pointer;
  transition: all 0.2s;
  font-size: 0.9rem;
  text-align: center;
}

.episode-btn:hover {
  background: var(--bg-card-hover);
  border-color: var(--primary-color);
  transform: translateY(-2px);
}

.episode-btn.watched {
  background: var(--bg-card-hover);
  border-color: var(--primary-color);
  opacity: 0.7;
}

.episode-btn.watched::after {
  content: " ✓";
  color: var(--primary-color);
}

/* Player */
.player-container {
  max-width: 1200px;
}

.player-header {
  margin-bottom: 1.5rem;
}

.player-title {
  font-size: 1.5rem;
  margin-bottom: 1rem;
  color: var(--text-primary);
}

.player-options {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  margin-bottom: 1rem;
}

.player-option-btn {
  padding: 0.5rem 1rem;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 4px;
  color: var(--text-primary);
  cursor: pointer;
  transition: all 0.2s;
  font-size: 0.9rem;
}

.player-option-btn:hover, .player-option-btn.active {
  background: var(--primary-color);
  border-color: var(--primary-color);
}

.player-video {
  width: 100%;
  aspect-ratio: 16/9;
  border-radius: 8px;
  background: #000;
  margin-bottom: 1rem;
}

.player-video iframe, .player-video video {
  width: 100%;
  height: 100%;
  border: none;
  border-radius: 8px;
}

.player-controls {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

/* Loading */
.loading-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.8);
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 1000;
}

.spinner {
  width: 50px;
  height: 50px;
  border: 4px solid var(--bg-card);
  border-top-color: var(--primary-color);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* Empty State */
.empty-state {
  text-align: center;
  padding: 3rem;
  color: var(--text-secondary);
}

.empty-state h3 {
  font-size: 1.5rem;
  margin-bottom: 0.5rem;
  color: var(--text-primary);
}

/* Back Button */
.back-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.6rem 1rem;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  color: var(--text-primary);
  cursor: pointer;
  transition: all 0.2s;
  margin-bottom: 1.5rem;
  text-decoration: none;
}

.back-btn:hover {
  background: var(--bg-card-hover);
  border-color: var(--primary-color);
}