:root {
  --bg-color: #050505;
  --surface-color: #121214;
  --surface-hover: #1c1c21;
  --primary-color: #00f2ff;
  --primary-hover: #70ffff;
  --accent-color: #ff007a;
  --text-main: #ffffff;
  --text-muted: #88888e;
  --glass-bg: rgba(10, 10, 12, 0.85);
  --glass-border: rgba(255, 255, 255, 0.08);
  --border-radius: 16px;
  --transition-speed: 0.4s;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: 'Inter', -apple-system, sans-serif;
}

body {
  background-color: var(--bg-color);
  background-image: 
    radial-gradient(circle at 0% 0%, rgba(0, 242, 255, 0.05) 0%, transparent 40%),
    radial-gradient(circle at 100% 100%, rgba(255, 0, 122, 0.05) 0%, transparent 40%);
  color: var(--text-main);
  line-height: 1.6;
}

.navbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.2rem 3rem;
  background: var(--glass-bg);
  backdrop-filter: blur(20px);
  position: sticky;
  top: 0;
  z-index: 1000;
  border-bottom: 1px solid var(--glass-border);
}

.logo {
  font-size: 1.6rem;
  font-weight: 900;
  letter-spacing: -1px;
  text-transform: uppercase;
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 10px;
  color: white;
}

.logo span {
  background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

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

.search-icon {
    position: absolute;
    left: 12px;
    color: var(--text-muted);
}

.search-bar input {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--glass-border);
  padding: 0.8rem 1.2rem 0.8rem 2.5rem;
  border-radius: 12px;
  color: white;
  width: 300px;
  transition: 0.3s;
}

.search-bar input:focus {
  background: rgba(255, 255, 255, 0.07);
  border-color: var(--primary-color);
  box-shadow: 0 0 20px rgba(0, 242, 255, 0.15);
  outline: none;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 2rem;
}

.category-filters {
    display: flex;
    gap: 0.8rem;
    overflow-x: auto;
    padding-bottom: 1.5rem;
    margin-bottom: 1.5rem;
}

.chip {
  padding: 0.6rem 1.5rem;
  border-radius: 10px;
  background: var(--surface-color);
  border: 1px solid var(--glass-border);
  font-weight: 600;
  font-size: 0.8rem;
  text-transform: uppercase;
  color: var(--text-muted);
  cursor: pointer;
  white-space: nowrap;
  transition: 0.3s;
}

.chip.active {
  background: white;
  color: black;
  border-color: white;
  box-shadow: 0 10px 20px rgba(255, 255, 255, 0.1);
}

.video-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 2rem;
}

.video-card {
  background: var(--surface-color);
  border-radius: var(--border-radius);
  border: 1px solid var(--glass-border);
  text-decoration: none;
  overflow: hidden;
  display: block;
  transition: all var(--transition-speed) cubic-bezier(0.2, 1, 0.3, 1);
}

.video-card:hover {
  transform: translateY(-10px) scale(1.02);
  border-color: rgba(255, 255, 255, 0.2);
  box-shadow: 0 30px 60px rgba(0, 0, 0, 0.8);
}

.thumbnail-wrapper {
  position: relative;
  aspect-ratio: 16/9;
}

.thumbnail {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.play-overlay {
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(0,0,0,0.4);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: 0.3s;
}

.video-card:hover .play-overlay {
    opacity: 1;
}

.play-icon {
  background: white;
  color: black;
  width: 50px;
  height: 50px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.video-info {
    padding: 1.2rem;
}

.video-title {
  font-size: 0.95rem;
  font-weight: 500;
  color: #efeff5;
  margin-bottom: 0.8rem;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.tag-badge {
  display: inline-block;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--glass-border);
  color: var(--text-muted);
  padding: 0.2rem 0.6rem;
  border-radius: 50px;
  font-size: 0.65rem;
  letter-spacing: 1px;
  text-transform: uppercase;
}

.pagination {
    display: flex;
    justify-content: center;
    gap: 0.5rem;
    margin-top: 3rem;
    padding-bottom: 3rem;
}

.page-btn {
  padding: 0.6rem 1.2rem;
  border-radius: 12px;
  background: var(--surface-color);
  border: 1px solid var(--glass-border);
  color: var(--text-main);
  cursor: pointer;
  transition: 0.3s;
}

.page-btn.active {
  background: var(--primary-color);
  color: #000;
  border-color: var(--primary-color);
  font-weight: bold;
}

@media (max-width: 768px) {
    .navbar { padding: 1rem; flex-direction: column; gap: 1rem; }
    .search-bar input { width: 100%; }
}