*, *::before, *::after { box-sizing: border-box; }

:root {
  --dl-bg: #0a0e14;
  --dl-surface: rgba(20, 30, 48, 0.92);
  --dl-surface-hover: rgba(30, 44, 65, 0.95);
  --dl-text: #ffffff;
  --dl-muted: #8a95a5;
  --dl-accent: #40e0d0;
  --dl-accent-glow: rgba(64, 224, 208, 0.25);
  --dl-border: rgba(255, 255, 255, 0.08);
  --dl-radius: 16px;
  --dl-radius-sm: 10px;
  --dl-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
  --dl-transition: 220ms cubic-bezier(0.2, 0.8, 0.2, 1);
}

html, body {
  margin: 0;
  padding: 0;
  min-height: 100vh;
  background: var(--dl-bg);
  color: var(--dl-text);
  font-family: 'Montserrat', Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
}

body {
  display: flex;
  flex-direction: column;
}

/* ═══════════════════ HEADER ═══════════════════ */
.dl-banner {
  position: sticky;
  top: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 clamp(1rem, 4vw, 3rem);
  height: 72px;
  background: rgba(10, 14, 20, 0.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--dl-border);
}

.dl-logo {
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--dl-text);
  text-decoration: none;
  letter-spacing: 2px;
  transition: color var(--dl-transition);
}
.dl-logo:hover { color: var(--dl-accent); }

.dl-nav {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.9rem;
}
.dl-nav-link {
  color: var(--dl-muted);
  text-decoration: none;
  transition: color var(--dl-transition);
}
.dl-nav-link:hover { color: var(--dl-accent); }
.dl-nav-separator { color: rgba(255,255,255,0.2); }
.dl-nav-current {
  color: var(--dl-accent);
  font-weight: 600;
}

/* ═══════════════════ HERO ═══════════════════ */
.dl-main {
  flex: 1;
  width: 100%;
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 clamp(1rem, 4vw, 3rem);
}

.dl-hero {
  text-align: center;
  padding: 4rem 0 2rem;
}

.dl-title {
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 700;
  margin: 0 0 0.75rem;
  background: linear-gradient(135deg, #fff 0%, var(--dl-accent) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.dl-subtitle {
  font-size: clamp(0.95rem, 2vw, 1.15rem);
  color: var(--dl-muted);
  margin: 0;
  max-width: 500px;
  margin-inline: auto;
  line-height: 1.6;
}

/* ═══════════════════ FILTERS ═══════════════════ */
.dl-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  justify-content: center;
  padding: 1rem 0 2.5rem;
}

.dl-filter-btn {
  background: transparent;
  border: 1px solid var(--dl-border);
  color: var(--dl-muted);
  padding: 0.5rem 1.25rem;
  border-radius: 100px;
  font-family: inherit;
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--dl-transition);
  text-transform: capitalize;
}
.dl-filter-btn:hover {
  border-color: var(--dl-accent);
  color: var(--dl-accent);
}
.dl-filter-btn.active {
  background: var(--dl-accent);
  border-color: var(--dl-accent);
  color: #0a0e14;
}

/* ═══════════════════ GRID ═══════════════════ */
.dl-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 1.5rem;
  padding-bottom: 4rem;
}

.dl-empty {
  grid-column: 1 / -1;
  text-align: center;
  padding: 5rem 1rem;
  color: var(--dl-muted);
}
.dl-empty-icon {
  margin-bottom: 1.5rem;
  opacity: 0.4;
}
.dl-empty p {
  font-size: 1.1rem;
  margin: 0;
}

/* ═══════════════════ CARD ═══════════════════ */
.dl-card {
  background: var(--dl-surface);
  border-radius: var(--dl-radius);
  overflow: hidden;
  border: 1px solid var(--dl-border);
  cursor: pointer;
  transition: all var(--dl-transition);
  position: relative;
}
.dl-card:hover {
  transform: translateY(-4px);
  border-color: rgba(64, 224, 208, 0.3);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.5), 0 0 20px var(--dl-accent-glow);
}

.dl-card-thumb {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background: #111820;
}

.dl-card-thumb canvas {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
}

.dl-card-thumb img {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
  transition: transform 0.4s ease;
}
.dl-card:hover .dl-card-thumb img {
  transform: scale(1.05);
}

.dl-card-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 40%, rgba(0,0,0,0.7) 100%);
  display: flex;
  align-items: flex-end;
  padding: 1rem;
  opacity: 0;
  transition: opacity var(--dl-transition);
}
.dl-card:hover .dl-card-overlay { opacity: 1; }

.dl-card-play {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%) scale(0.8);
  width: 56px;
  height: 56px;
  background: rgba(64, 224, 208, 0.9);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: all var(--dl-transition);
  backdrop-filter: blur(8px);
}
.dl-card:hover .dl-card-play {
  opacity: 1;
  transform: translate(-50%, -50%) scale(1);
}
.dl-card-play svg {
  margin-left: 3px;
}

.dl-card-body {
  padding: 1.15rem 1.25rem 1.25rem;
}

.dl-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  margin-bottom: 0.5rem;
}

.dl-card-name {
  font-size: 1.05rem;
  font-weight: 700;
  margin: 0;
  line-height: 1.3;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.dl-badge {
  display: inline-flex;
  align-items: center;
  padding: 0.2rem 0.65rem;
  border-radius: 100px;
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  white-space: nowrap;
  flex-shrink: 0;
}
.dl-badge-free {
  background: rgba(64, 224, 208, 0.15);
  color: var(--dl-accent);
  border: 1px solid rgba(64, 224, 208, 0.3);
}

.dl-card-desc {
  font-size: 0.85rem;
  color: var(--dl-muted);
  margin: 0 0 0.75rem;
  line-height: 1.55;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.dl-card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
}

.dl-card-type {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.25rem 0.6rem;
  border-radius: 6px;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  background: rgba(255,255,255,0.06);
  color: var(--dl-muted);
}
.dl-card-type svg {
  width: 14px;
  height: 14px;
}

.dl-card-size {
  font-size: 0.8rem;
  color: rgba(255,255,255,0.35);
}

/* Category colors on file type badges */
.dl-cat-touchdesigner { color: #e040fb; background: rgba(224, 64, 251, 0.12); }
.dl-cat-houdini { color: #ff6e40; background: rgba(255, 110, 64, 0.12); }
.dl-cat-blender { color: #ff9100; background: rgba(255, 145, 0, 0.12); }
.dl-cat-unity { color: #76ff03; background: rgba(118, 255, 3, 0.12); }
.dl-cat-unreal { color: #448aff; background: rgba(68, 138, 255, 0.12); }
.dl-cat-other { color: var(--dl-accent); background: rgba(64, 224, 208, 0.12); }

/* ═══════════════════ MODAL ═══════════════════ */
.dl-modal {
  position: fixed;
  inset: 0;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem;
}

.dl-modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.85);
  backdrop-filter: blur(12px);
}

.dl-modal-content {
  position: relative;
  width: 100%;
  max-width: 900px;
  max-height: 90vh;
  overflow-y: auto;
  background: var(--dl-surface);
  border-radius: var(--dl-radius);
  border: 1px solid var(--dl-border);
  box-shadow: var(--dl-shadow);
  display: flex;
  flex-direction: column;
}
.dl-modal-content::-webkit-scrollbar { width: 6px; }
.dl-modal-content::-webkit-scrollbar-track { background: transparent; }
.dl-modal-content::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.15); border-radius: 3px; }

.dl-modal-close {
  position: absolute;
  top: 1rem;
  right: 1rem;
  z-index: 10;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: none;
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(8px);
  color: white;
  font-size: 1.5rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--dl-transition);
  line-height: 1;
}
.dl-modal-close:hover {
  background: rgba(255, 255, 255, 0.15);
  transform: scale(1.1);
}

.dl-modal-media {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  background: #080c12;
  overflow: hidden;
  border-radius: var(--dl-radius) var(--dl-radius) 0 0;
  flex-shrink: 0;
}
.dl-modal-media video,
.dl-modal-media img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: block;
}

.dl-modal-info {
  padding: 2rem;
}

.dl-modal-header {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1rem;
  flex-wrap: wrap;
}

.dl-modal-name {
  font-size: 1.5rem;
  font-weight: 700;
  margin: 0;
}

.dl-modal-desc {
  font-size: 0.95rem;
  color: var(--dl-muted);
  line-height: 1.7;
  margin: 0 0 1.5rem;
}

.dl-modal-meta {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: 1rem;
  padding: 1.25rem;
  background: rgba(255, 255, 255, 0.03);
  border-radius: var(--dl-radius-sm);
  border: 1px solid var(--dl-border);
  margin-bottom: 1.25rem;
}

.dl-meta-item {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}
.dl-meta-label {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: rgba(255,255,255,0.35);
  font-weight: 600;
}
.dl-meta-value {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--dl-text);
}

.dl-modal-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-bottom: 1.5rem;
}
.dl-modal-tags:empty { display: none; }
.dl-tag {
  padding: 0.3rem 0.7rem;
  border-radius: 6px;
  font-size: 0.75rem;
  font-weight: 600;
  background: rgba(255,255,255,0.06);
  color: var(--dl-muted);
}

.dl-download-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.9rem 2rem;
  border-radius: 100px;
  background: var(--dl-accent);
  color: #0a0e14;
  font-family: inherit;
  font-size: 1rem;
  font-weight: 700;
  text-decoration: none;
  cursor: pointer;
  border: none;
  transition: all var(--dl-transition);
  box-shadow: 0 4px 20px var(--dl-accent-glow);
}
.dl-download-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 30px rgba(64, 224, 208, 0.4);
  background: #5eeee0;
}

/* ═══════════════════ FOOTER ═══════════════════ */
.dl-footer {
  margin-top: auto;
  padding: 1.5rem clamp(1rem, 4vw, 3rem);
  border-top: 1px solid var(--dl-border);
  background: rgba(0,0,0,0.3);
}
.dl-footer-inner {
  max-width: 1400px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.8rem;
  color: var(--dl-muted);
}
.dl-footer-inner a {
  color: var(--dl-accent);
  text-decoration: none;
  transition: opacity var(--dl-transition);
}
.dl-footer-inner a:hover { opacity: 0.7; }

/* ═══════════════════ ANIMATIONS ═══════════════════ */
@keyframes dl-fade-in {
  from { opacity: 0; transform: translateY(16px); }
  to   { opacity: 1; transform: translateY(0); }
}

.dl-card {
  animation: dl-fade-in 0.5s ease both;
}

.dl-modal-content {
  animation: dl-modal-enter 0.3s ease both;
}
@keyframes dl-modal-enter {
  from { opacity: 0; transform: scale(0.95) translateY(10px); }
  to   { opacity: 1; transform: scale(1) translateY(0); }
}

/* ═══════════════════ RESPONSIVE ═══════════════════ */
@media (max-width: 768px) {
  .dl-grid {
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: 1rem;
  }

  .dl-modal {
    padding: 0;
    align-items: flex-end;
  }
  .dl-modal-content {
    max-height: 95vh;
    border-radius: var(--dl-radius) var(--dl-radius) 0 0;
    max-width: 100%;
  }
  .dl-modal-info {
    padding: 1.5rem;
  }
  .dl-modal-name {
    font-size: 1.25rem;
  }
  .dl-modal-meta {
    grid-template-columns: repeat(2, 1fr);
  }
  .dl-hero {
    padding: 3rem 0 1.5rem;
  }
}

@media (max-width: 480px) {
  .dl-grid {
    grid-template-columns: 1fr;
  }
  .dl-banner {
    padding: 0 1rem;
    height: 60px;
  }
  .dl-logo {
    font-size: 1.2rem;
  }
  .dl-download-btn {
    width: 100%;
    justify-content: center;
  }
}

/* ═══════════════════ REDUCED MOTION ═══════════════════ */
@media (prefers-reduced-motion: reduce) {
  .dl-card,
  .dl-modal-content {
    animation: none;
  }
  .dl-card:hover {
    transform: none;
  }
  .dl-download-btn:hover {
    transform: none;
  }
}