body {
  color: #111827;
}

.site-header {
  position: fixed;
  top: 0;
  right: 0;
  left: 0;
  z-index: 50;
  background: linear-gradient(90deg, #2563eb, #1e40af);
  box-shadow: 0 10px 30px rgba(15, 23, 42, 0.15);
}

.site-nav-link {
  color: rgba(255, 255, 255, 0.9);
  font-weight: 600;
  transition:
    color 0.2s ease,
    opacity 0.2s ease;
}

.site-nav-link:hover,
.site-nav-link.is-active {
  color: #ffffff;
}

.site-search-input {
  width: 15rem;
  padding: 0.5rem 1rem 0.5rem 2.5rem;
  border-radius: 0.5rem;
  color: #ffffff;
  background: rgba(255, 255, 255, 0.2);
  border: 1px solid rgba(255, 255, 255, 0.3);
  outline: none;
  transition:
    background 0.2s ease,
    border-color 0.2s ease;
}

.site-search-input::placeholder {
  color: rgba(255, 255, 255, 0.72);
}

.site-search-input:focus {
  background: rgba(255, 255, 255, 0.3);
  border-color: rgba(255, 255, 255, 0.6);
}

.site-search-icon {
  position: absolute;
  left: 0.8rem;
  top: 50%;
  color: rgba(255, 255, 255, 0.75);
  transform: translateY(-50%);
}

.site-menu-button {
  color: #ffffff;
  padding: 0.5rem;
  border-radius: 0.5rem;
  font-size: 1.4rem;
  line-height: 1;
}

.site-mobile-panel {
  display: none;
  padding: 0.75rem 0 1rem;
  border-top: 1px solid rgba(255, 255, 255, 0.2);
}

.site-mobile-panel.is-open {
  display: block;
}

.mobile-link {
  display: block;
  color: #ffffff;
  padding: 0.65rem 0.75rem;
  border-radius: 0.5rem;
  font-weight: 600;
}

.mobile-link:hover,
.mobile-link.is-active {
  background: rgba(255, 255, 255, 0.12);
}

.hero-slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  pointer-events: none;
  transition: opacity 1s ease;
}

.hero-slide.is-active {
  opacity: 1;
  pointer-events: auto;
}

.hero-arrow {
  position: absolute;
  top: 50%;
  z-index: 10;
  width: 3rem;
  height: 3rem;
  border-radius: 9999px;
  color: #ffffff;
  background: rgba(255, 255, 255, 0.2);
  backdrop-filter: blur(4px);
  transform: translateY(-50%);
  font-size: 2rem;
  line-height: 1;
  transition: background 0.2s ease;
}

.hero-arrow:hover {
  background: rgba(255, 255, 255, 0.3);
}

.hero-arrow-left {
  left: 1rem;
}

.hero-arrow-right {
  right: 1rem;
}

.hero-dots {
  position: absolute;
  left: 50%;
  bottom: 2rem;
  z-index: 10;
  display: flex;
  gap: 0.5rem;
  transform: translateX(-50%);
}

.hero-dot {
  width: 0.75rem;
  height: 0.75rem;
  border-radius: 9999px;
  background: rgba(255, 255, 255, 0.5);
  transition:
    background 0.2s ease,
    transform 0.2s ease;
}

.hero-dot.is-active {
  background: #ffffff;
  transform: scale(1.25);
}

.category-filter-input,
.category-filter-select {
  width: 100%;
  border: 1px solid #d1d5db;
  border-radius: 0.75rem;
  padding: 0.75rem 1rem;
  color: #111827;
  background: #ffffff;
  outline: none;
  transition:
    border-color 0.2s ease,
    box-shadow 0.2s ease;
}

.category-filter-input:focus,
.category-filter-select:focus {
  border-color: #3b82f6;
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.15);
}

.player-shell {
  position: relative;
}

.player-cover {
  position: absolute;
  inset: 0;
  z-index: 5;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  color: #ffffff;
  background: linear-gradient(180deg, rgba(0, 0, 0, 0.15), rgba(0, 0, 0, 0.75));
}

.player-cover.is-hidden {
  display: none;
}

.player-play-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 5rem;
  height: 5rem;
  border-radius: 9999px;
  color: #2563eb;
  background: rgba(255, 255, 255, 0.92);
  font-size: 2.2rem;
  padding-left: 0.25rem;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.35);
}

.player-play-title {
  font-size: 1.25rem;
  font-weight: 700;
  text-shadow: 0 2px 12px rgba(0, 0, 0, 0.45);
}

.back-to-top {
  position: fixed;
  right: 1rem;
  bottom: 1rem;
  z-index: 40;
  display: none;
  width: 3rem;
  height: 3rem;
  border-radius: 9999px;
  color: #ffffff;
  background: #2563eb;
  box-shadow: 0 10px 25px rgba(37, 99, 235, 0.35);
}

.back-to-top.is-visible {
  display: block;
}

@media (max-width: 767px) {
  .hero-arrow {
    width: 2.5rem;
    height: 2.5rem;
  }

  .hero-arrow-left {
    left: 0.5rem;
  }

  .hero-arrow-right {
    right: 0.5rem;
  }

  .site-logo-text {
    font-size: 1rem;
  }
}