/* Header */
header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--header-height);
  display: flex;
  align-items: center;
  gap: 24px;
  padding: 0 32px;
  background: linear-gradient(180deg, rgba(0,0,0,.95) 0%, rgba(0,0,0,.85) 60%, transparent 100%);
  transition: background var(--transition);
}

header.scrolled { background: rgba(0,0,0,.95); }

.header-left { display: flex; align-items: center; gap: 24px; flex-shrink: 0; }

.logo {
  font-size: 24px;
  font-weight: 800;
  color: var(--primary);
  letter-spacing: -.5px;
  transition: opacity var(--transition-fast);
}
.logo:hover { opacity: .8; }

.header-center { flex: 1; max-width: 480px; margin: 0 auto; }

.search-box {
  position: relative;
  display: flex;
  align-items: center;
}

.search-icon {
  position: absolute;
  left: 14px;
  color: var(--text-muted);
  pointer-events: none;
}

.search-box input {
  width: 100%;
  padding: 10px 16px 10px 44px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: rgba(255,255,255,.06);
  color: var(--text);
  font-size: 14px;
  outline: none;
  transition: var(--transition);
}
.search-box input:focus { border-color: rgba(255,255,255,.3); background: rgba(255,255,255,.1); }
.search-box input::placeholder { color: var(--text-muted); }

.header-right { display: flex; align-items: center; gap: 12px; flex-shrink: 0; }

/* Main container */
main {
  padding-top: var(--header-height);
  min-height: 100vh;
}

/* Sections */
.section { padding: 24px 32px; position: relative; z-index: 1; }
.section-hero { padding: 0; }
.section-title { font-size: 22px; font-weight: 700; margin-bottom: 16px; letter-spacing: -.3px; }

/* Grid layouts */
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(170px, 1fr));
  gap: 8px;
}

@media (max-width: 768px) { 
  .grid { grid-template-columns: repeat(3, 1fr); gap: 6px; } 
  header { padding: 0 12px; }
  .section { padding: 16px 12px; }
  .header-center { max-width: 200px; }
  .search-box input { font-size: 13px; }
  .logo { font-size: 18px; }
  .hero { height: 50vh; min-height: 300px; padding: 32px 16px; }
  .hero-logo { font-size: 24px; }
  .hero-overview { font-size: 13px; -webkit-line-clamp: 2; }
  .detail-back { font-size: 13px; padding: 6px 12px; }
  .detail { padding: 0 12px 16px; }
  .btn { padding: 10px 20px; font-size: 13px; }
  .section-title { font-size: 18px; }
}
@media (max-width: 480px) { 
  .grid { grid-template-columns: repeat(2, 1fr); gap: 4px; } 
  .header-center { max-width: 150px; }
  .search-box input { font-size: 12px; padding: 8px 12px 8px 36px; }
  .hero { height: 40vh; min-height: 240px; }
  .hero-logo { font-size: 20px; }
  .card-title { font-size: 11px; }
  .card-badge { font-size: 9px; padding: 2px 6px; }
  .detail-hero { flex-direction: column; align-items: center; }
  .detail-poster { width: 140px; }
  .detail-title { font-size: 22px; }
  .episode-controls { flex-direction: column; }
  .player-back { font-size: 12px; padding: 6px 12px; top: 8px; left: 8px; }
  .player-loading p { font-size: 14px; }
}

/* Loading */
.loading-screen {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 80px 20px;
  gap: 16px;
  color: var(--text-muted);
}

.spinner {
  width: 36px;
  height: 36px;
  border: 3px solid rgba(255,255,255,.1);
  border-top-color: var(--primary);
  border-radius: 50%;
  animation: spin .7s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* Hero section */
.hero {
  position: relative;
  height: 75vh;
  min-height: 480px;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 64px 32px;
  overflow: hidden;
}
.hero-bg {
  position: absolute;
  inset: 0;
  object-fit: cover;
  width: 100%;
  height: 100%;
  filter: brightness(.4);
}
.hero-gradient {
  position: absolute;
  inset: 0;
  background: linear-gradient(0deg, var(--bg) 0%, transparent 60%),
              linear-gradient(90deg, rgba(0,0,0,.7) 0%, transparent 50%);
}
.hero-content { position: relative; z-index: 2; max-width: 600px; }
.hero-logo { font-size: 48px; font-weight: 900; line-height: 1.1; margin-bottom: 12px; letter-spacing: -1px; }
.hero-overview { font-size: 16px; color: var(--text-secondary); line-height: 1.6; margin-bottom: 20px; display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; }
.hero-actions { display: flex; gap: 12px; }
.btn { display: inline-flex; align-items: center; gap: 8px; padding: 12px 28px; border-radius: var(--radius); font-size: 15px; font-weight: 600; transition: var(--transition-fast); }
.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-hover); transform: scale(1.03); }
.btn-secondary { background: rgba(255,255,255,.15); color: #fff; backdrop-filter: var(--blur); }
.btn-secondary:hover { background: rgba(255,255,255,.25); }
.btn-icon { display: flex; align-items: center; justify-content: center; width: 40px; height: 40px; border-radius: 50%; background: transparent; color: var(--text-secondary); transition: var(--transition-fast); }
.btn-icon:hover { background: rgba(255,255,255,.1); color: var(--text); }