/* ═══════════════════════════════════════════════
   KCD — Design System & Styles
   ═══════════════════════════════════════════════ */

:root {
  --bg-primary: #06060f;
  --bg-secondary: #0e0e1a;
  --bg-card: rgba(255, 255, 255, 0.04);
  --bg-card-hover: rgba(255, 255, 255, 0.08);
  --border-card: rgba(255, 255, 255, 0.08);
  --border-card-hover: rgba(245, 158, 11, 0.3);
  --accent: #F59E0B;
  --accent-hover: #D97706;
  --accent-glow: rgba(245, 158, 11, 0.15);
  --accent-soft: rgba(245, 158, 11, 0.08);
  --text-primary: #F0F0F5;
  --text-secondary: #8888A0;
  --text-muted: #55556A;
  --font-body: 'Inter', -apple-system, sans-serif;
  --font-display: 'Outfit', 'Inter', sans-serif;
  --radius-sm: 8px;
  --radius: 14px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --blur: 24px;
  --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  --shadow-card: 0 4px 24px rgba(0, 0, 0, 0.4);
  --shadow-glow: 0 0 30px var(--accent-glow);
}

*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-body);
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
  min-height: 100vh;
}
.container { max-width: 1400px; margin: 0 auto; padding: 0 24px; }
.hidden { display: none !important; }

/* ── Scrollbar ── */
::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: var(--bg-primary); }
::-webkit-scrollbar-thumb { background: #333; border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: var(--accent); }

/* ═══════════════════════════════════════════════
   DROP OVERLAY
   ═══════════════════════════════════════════════ */
.drop-overlay {
  position: fixed; inset: 0; z-index: 9999;
  background: rgba(6, 6, 15, 0.92);
  backdrop-filter: blur(12px);
  display: none; place-items: center;
  pointer-events: none;
}
.drop-overlay.active { display: grid; pointer-events: all; }
.drop-overlay-content {
  text-align: center;
  padding: 60px 80px;
  border: 3px dashed var(--accent);
  border-radius: var(--radius-xl);
  background: var(--accent-soft);
  animation: dropPulse 1.5s ease-in-out infinite;
}
.drop-icon { font-size: 72px; margin-bottom: 16px; }
.drop-overlay h2 { font-family: var(--font-display); font-size: 28px; color: var(--accent); margin-bottom: 8px; }
.drop-overlay p { color: var(--text-secondary); font-size: 15px; }
@keyframes dropPulse {
  0%, 100% { box-shadow: 0 0 0 0 var(--accent-glow); }
  50% { box-shadow: 0 0 40px 10px var(--accent-glow); }
}

/* ═══════════════════════════════════════════════
   UPLOAD TOAST
   ═══════════════════════════════════════════════ */
.upload-toast {
  position: fixed; bottom: 32px; right: 32px; z-index: 9000;
  background: rgba(14, 14, 26, 0.95);
  backdrop-filter: blur(var(--blur));
  border: 1px solid var(--border-card);
  border-radius: var(--radius);
  padding: 16px 24px;
  min-width: 280px;
  box-shadow: var(--shadow-card);
  animation: slideUp 0.3s ease;
}
.upload-toast-inner { display: flex; align-items: center; gap: 12px; margin-bottom: 10px; }
.upload-spinner {
  width: 20px; height: 20px;
  border: 2px solid var(--border-card);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}
.upload-toast span { color: var(--text-primary); font-size: 14px; font-weight: 500; }
.upload-progress-bar { height: 4px; background: var(--bg-card); border-radius: 2px; overflow: hidden; }
.upload-progress-fill { height: 100%; background: linear-gradient(90deg, var(--accent), var(--accent-hover)); border-radius: 2px; width: 0%; transition: width 0.3s; }
.upload-toast.success { border-color: #10B981; }
.upload-toast.success .upload-spinner { border-top-color: #10B981; animation: none; border: 2px solid #10B981; }
@keyframes slideUp { from { transform: translateY(20px); opacity: 0; } to { transform: translateY(0); opacity: 1; } }
@keyframes spin { to { transform: rotate(360deg); } }

/* ═══════════════════════════════════════════════
   HERO
   ═══════════════════════════════════════════════ */
.hero {
  position: relative; min-height: 70vh; display: flex; align-items: center; justify-content: center;
  overflow: hidden;
}
.hero-bg { position: absolute; inset: 0; z-index: 0; }
.hero-bg video {
  width: 100%; height: 100%; object-fit: cover;
  object-position: center top;
  filter: brightness(0.75) saturate(1.3) contrast(1.05);
}
.hero-gradient {
  position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(6,6,15,0.05) 0%, rgba(6,6,15,0.2) 55%, var(--bg-primary) 95%);
}
.hero-content {
  position: relative; z-index: 1; text-align: center; padding: 40px 24px;
}
.hero-badge {
  display: inline-block;
  background: rgba(245, 158, 11, 0.15);backdrop-filter: blur(8px);
  border: 1px solid rgba(245, 158, 11, 0.2);
  color: var(--accent);
  font-size: 12px; font-weight: 600; letter-spacing: 1.5px; text-transform: uppercase;
  padding: 6px 18px; border-radius: 100px;
  margin-bottom: 24px;
}
.hero-title {
  font-family: var(--font-display);
  font-size: clamp(36px, 6vw, 72px);
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: 16px;
  background: linear-gradient(135deg, #fff 0%, #eee 50%, var(--accent) 100%);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
  filter: drop-shadow(0 3px 12px rgba(0,0,0,0.9));
}
.hero-title .emoji { -webkit-text-fill-color: initial; font-size: 0.7em; filter: drop-shadow(0 3px 10px rgba(0,0,0,0.7)); }
.hero-subtitle { color: #fff; font-size: 18px; font-weight: 500; margin-bottom: 32px; text-shadow: 0 2px 16px rgba(0,0,0,0.8), 0 0 40px rgba(0,0,0,0.5); }
.hero-stats { display: flex; align-items: center; justify-content: center; gap: 24px; margin-bottom: 36px; }
.stat { text-align: center; }
.stat-num { display: block; font-family: var(--font-display); font-size: 32px; font-weight: 700; color: var(--accent); text-shadow: 0 2px 16px rgba(245,158,11,0.5), 0 0 30px rgba(0,0,0,0.5); }
.stat-label { font-size: 13px; color: #ccc; letter-spacing: 0.5px; text-shadow: 0 1px 8px rgba(0,0,0,0.6); }
.stat-divider { width: 1px; height: 40px; background: rgba(255,255,255,0.1); }
.hero-actions { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }

/* Buttons */
.btn-primary {
  background: linear-gradient(135deg, var(--accent), var(--accent-hover));
  color: #000; font-weight: 600; font-size: 15px;
  padding: 14px 32px; border: none; border-radius: 100px;
  cursor: pointer; transition: var(--transition);
  box-shadow: 0 4px 20px rgba(245, 158, 11, 0.3);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 6px 30px rgba(245, 158, 11, 0.5); }
.btn-secondary {
  background: var(--bg-card);
  backdrop-filter: blur(var(--blur));
  color: var(--text-primary); font-weight: 500; font-size: 15px;
  padding: 14px 32px; border: 1px solid var(--border-card); border-radius: 100px;
  cursor: pointer; transition: var(--transition);
}
.btn-secondary:hover { background: var(--bg-card-hover); border-color: var(--accent); color: var(--accent); }

/* ═══════════════════════════════════════════════
   FILTER SECTION
   ═══════════════════════════════════════════════ */
.filter-section {
  position: sticky; top: 0; z-index: 100;
  background: rgba(6, 6, 15, 0.85);
  backdrop-filter: blur(var(--blur));
  border-bottom: 1px solid var(--border-card);
  padding: 16px 0;
}
.character-filters { display: flex; gap: 10px; justify-content: center; margin-bottom: 12px; flex-wrap: wrap; }
.char-btn {
  display: flex; align-items: center; gap: 8px;
  background: var(--bg-card); border: 1px solid var(--border-card);
  color: var(--text-secondary); font-size: 14px; font-weight: 500;
  padding: 10px 20px; border-radius: 100px;
  cursor: pointer; transition: var(--transition);
}
.char-btn:hover { border-color: var(--accent); color: var(--text-primary); }
.char-btn.active {
  background: var(--accent-soft); border-color: var(--accent);
  color: var(--accent); font-weight: 600;
}
.char-emoji { font-size: 18px; }
.char-count {
  background: rgba(255,255,255,0.08); font-size: 11px; font-weight: 600;
  padding: 2px 8px; border-radius: 100px;
}
.char-btn.active .char-count { background: rgba(245, 158, 11, 0.15); color: var(--accent); }

.scene-tags { display: flex; gap: 8px; justify-content: center; margin-bottom: 14px; flex-wrap: wrap; }
.scene-tag {
  background: transparent; border: 1px solid transparent;
  color: var(--text-muted); font-size: 13px; font-weight: 500;
  padding: 6px 14px; border-radius: 100px;
  cursor: pointer; transition: var(--transition);
}
.scene-tag:hover { color: var(--text-secondary); border-color: var(--border-card); }
.scene-tag.active { color: var(--accent); border-color: rgba(245,158,11,0.2); background: var(--accent-soft); }

.search-bar {
  display: flex; align-items: center; gap: 12px;
  max-width: 600px; margin: 0 auto;
  background: var(--bg-card); border: 1px solid var(--border-card);
  border-radius: 100px; padding: 4px 6px 4px 18px;
  transition: var(--transition);
}
.search-bar:focus-within { border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-soft); }
.search-icon { width: 18px; height: 18px; color: var(--text-muted); flex-shrink: 0; }
.search-bar input {
  flex: 1; background: none; border: none; outline: none;
  color: var(--text-primary); font-size: 14px; font-family: var(--font-body);
  padding: 10px 0;
}
.search-bar input::placeholder { color: var(--text-muted); }
.sort-dropdown select {
  background: rgba(255,255,255,0.06); border: 1px solid var(--border-card);
  color: var(--text-secondary); font-size: 13px; font-family: var(--font-body);
  padding: 8px 12px; border-radius: 100px; cursor: pointer; outline: none;
}
.sort-dropdown select:focus { border-color: var(--accent); }

/* ═══════════════════════════════════════════════
   VIDEO GRID
   ═══════════════════════════════════════════════ */
.gallery { padding: 40px 0 80px; min-height: 50vh; }
.video-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 16px;
}
.video-card {
  position: relative;
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius);
  overflow: hidden;
  cursor: pointer;
  transition: var(--transition);
  animation: fadeInUp 0.4s ease both;
}
.video-card:hover {
  transform: translateY(-4px);
  border-color: var(--border-card-hover);
  box-shadow: var(--shadow-glow);
}
.video-card:hover .card-thumb-img { transform: scale(1.05); filter: brightness(1.1); }
.video-card:hover .card-play-icon { opacity: 1; transform: translate(-50%, -50%) scale(1); }
.video-card:hover .card-hover-video { opacity: 1; }

.card-thumb {
  position: relative;
  width: 100%; aspect-ratio: 9/16;
  background: var(--bg-secondary);
  overflow: hidden;
}
.card-thumb-img {
  width: 100%; height: 100%; object-fit: cover;
  transition: transform 0.4s ease, filter 0.4s ease;
}
.card-thumb-placeholder {
  width: 100%; height: 100%;
  display: grid; place-items: center;
  background: linear-gradient(135deg, var(--bg-secondary), #1a1a2e);
  font-size: 48px;
}
.card-hover-video {
  position: absolute; inset: 0;
  width: 100%; height: 100%; object-fit: cover;
  opacity: 0; transition: opacity 0.3s;
}
.card-play-icon {
  position: absolute; top: 50%; left: 50%;
  transform: translate(-50%, -50%) scale(0.8);
  width: 48px; height: 48px;
  background: rgba(0,0,0,0.6); backdrop-filter: blur(8px);
  border: 2px solid rgba(255,255,255,0.2);
  border-radius: 50%;
  display: grid; place-items: center;
  opacity: 0; transition: var(--transition);
}
.card-play-icon::after {
  content: '';
  width: 0; height: 0;
  border-left: 14px solid #fff;
  border-top: 8px solid transparent;
  border-bottom: 8px solid transparent;
  margin-left: 3px;
}

.card-tags {
  position: absolute; top: 10px; left: 10px;
  display: flex; gap: 4px;
}
.card-tag {
  background: rgba(0,0,0,0.6); backdrop-filter: blur(8px);
  font-size: 14px; padding: 4px 6px; border-radius: 6px; line-height: 1;
}
.card-size-badge {
  position: absolute; bottom: 10px; right: 10px;
  background: rgba(0,0,0,0.6); backdrop-filter: blur(8px);
  font-size: 11px; font-weight: 600; color: var(--text-secondary);
  padding: 4px 10px; border-radius: 100px;
}

.card-body { padding: 14px 16px; }
.card-title {
  font-size: 14px; font-weight: 500; color: var(--text-primary);
  line-height: 1.4;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical;
  overflow: hidden; margin-bottom: 10px;
  min-height: 40px;
}
.card-footer { display: flex; align-items: center; justify-content: space-between; }
.card-scene-tags { display: flex; gap: 4px; flex-wrap: wrap; flex: 1; }
.card-scene-tag {
  font-size: 11px; color: var(--text-muted);
  background: rgba(255,255,255,0.04);
  padding: 3px 8px; border-radius: 100px;
}
.card-download {
  display: grid; place-items: center;
  width: 34px; height: 34px;
  background: var(--accent-soft); border: 1px solid rgba(245,158,11,0.15);
  border-radius: 50%; cursor: pointer;
  color: var(--accent); transition: var(--transition); flex-shrink: 0;
}
.card-download:hover { background: var(--accent); color: #000; transform: scale(1.1); }
.card-download svg { width: 14px; height: 14px; }

/* animation delay for staggered entrance */
.video-card:nth-child(4n+1) { animation-delay: 0s; }
.video-card:nth-child(4n+2) { animation-delay: 0.05s; }
.video-card:nth-child(4n+3) { animation-delay: 0.1s; }
.video-card:nth-child(4n+4) { animation-delay: 0.15s; }

@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ═══════════════════════════════════════════════
   LOAD MORE / NO RESULTS / LOADING
   ═══════════════════════════════════════════════ */
.load-more-btn {
  display: block; margin: 40px auto 0;
  background: var(--bg-card); border: 1px solid var(--border-card);
  color: var(--text-secondary); font-size: 15px; font-weight: 500;
  padding: 14px 48px; border-radius: 100px;
  cursor: pointer; transition: var(--transition);
}
.load-more-btn:hover { border-color: var(--accent); color: var(--accent); }
.loading-spinner { text-align: center; padding: 60px 0; }
.spinner {
  width: 40px; height: 40px; margin: 0 auto 16px;
  border: 3px solid var(--border-card);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}
.loading-spinner p { color: var(--text-muted); font-size: 14px; }
.no-results { text-align: center; padding: 80px 0; }
.no-results-emoji { font-size: 64px; margin-bottom: 16px; }
.no-results p { color: var(--text-muted); font-size: 16px; }

/* ═══════════════════════════════════════════════
   MODAL
   ═══════════════════════════════════════════════ */
.modal {
  position: fixed; inset: 0; z-index: 5000;
  display: grid; place-items: center;
  animation: fadeIn 0.2s ease;
}
.modal-backdrop {
  position: absolute; inset: 0;
  background: rgba(0, 0, 0, 0.85);
  backdrop-filter: blur(12px);
}
.modal-content {
  position: relative; z-index: 1;
  width: auto; max-width: 420px;
  max-height: 92vh;
  background: var(--bg-secondary);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-lg);
  overflow: hidden;
  display: flex; flex-direction: column;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.6);
  animation: modalIn 0.3s ease;
}
.modal-close {
  position: absolute; top: 12px; right: 12px; z-index: 10;
  width: 36px; height: 36px;
  background: rgba(0,0,0,0.5); backdrop-filter: blur(8px);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 50%;
  color: #fff; font-size: 16px;
  cursor: pointer; transition: var(--transition);
  display: grid; place-items: center;
}
.modal-close:hover { background: rgba(255,0,0,0.3); }
.modal-nav {
  position: absolute; top: 50%; z-index: 10;
  transform: translateY(-50%);
  width: 44px; height: 44px;
  background: rgba(0,0,0,0.5); backdrop-filter: blur(8px);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 50%;
  color: #fff; font-size: 22px; font-weight: 300;
  cursor: pointer; transition: var(--transition);
  display: grid; place-items: center;
}
.modal-nav:hover { background: var(--accent); color: #000; }
.modal-prev { left: 12px; }
.modal-next { right: 12px; }
.modal-player { width: 100%; background: #000; }
.modal-player video { width: 100%; max-height: 75vh; display: block; object-fit: contain; }
.modal-image { width: 100%; max-height: 75vh; object-fit: contain; display: block; }
.modal-info { padding: 20px 24px; }
.modal-title { font-family: var(--font-display); font-size: 18px; font-weight: 600; margin-bottom: 10px; }
.modal-tags { display: flex; gap: 6px; flex-wrap: wrap; margin-bottom: 14px; }
.modal-tag {
  font-size: 12px; padding: 4px 12px; border-radius: 100px;
  background: var(--accent-soft); color: var(--accent); font-weight: 500;
}
.modal-meta { display: flex; align-items: center; gap: 16px; }
.modal-size { color: var(--text-muted); font-size: 13px; }
.btn-download {
  display: inline-flex; align-items: center; gap: 6px;
  background: linear-gradient(135deg, var(--accent), var(--accent-hover));
  color: #000; font-size: 13px; font-weight: 600;
  padding: 8px 20px; border-radius: 100px;
  text-decoration: none; transition: var(--transition);
}
.btn-download:hover { transform: scale(1.05); box-shadow: 0 4px 16px rgba(245,158,11,0.4); }

@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
@keyframes modalIn { from { opacity: 0; transform: scale(0.95); } to { opacity: 1; transform: scale(1); } }

/* ═══════════════════════════════════════════════
   FOOTER
   ═══════════════════════════════════════════════ */
.footer {
  text-align: center; padding: 40px 24px;
  border-top: 1px solid var(--border-card);
  color: var(--text-muted); font-size: 14px;
}
.footer strong { color: var(--accent); }
.footer-sub { margin-top: 6px; font-size: 18px; }

/* ═══════════════════════════════════════════════
   RESPONSIVE
   ═══════════════════════════════════════════════ */
@media (max-width: 768px) {
  .hero { min-height: 60vh; }
  .hero-title { font-size: 32px; }
  .hero-stats { gap: 16px; }
  .stat-num { font-size: 24px; }
  .character-filters { gap: 6px; }
  .char-btn { padding: 8px 14px; font-size: 13px; }
  .char-name { display: none; }
  .scene-tags { gap: 4px; }
  .scene-tag { font-size: 12px; padding: 5px 10px; }
  .video-grid { grid-template-columns: repeat(3, 1fr); gap: 10px; }
  .card-body { padding: 10px 12px; }
  .card-title { font-size: 12px; min-height: auto; -webkit-line-clamp: 1; }
  .modal-content { width: 90vw; max-width: 360px; }
  .modal-nav { width: 36px; height: 36px; font-size: 18px; }
  .hero-actions { flex-direction: column; align-items: center; }
}
@media (max-width: 480px) {
  .video-grid { grid-template-columns: repeat(2, 1fr); gap: 8px; }
  .card-title { font-size: 11px; }
  .card-footer { display: none; }
  .card-body { padding: 8px 10px; }
  .filter-section { padding: 10px 0; }
  .search-bar { margin: 0 8px; }
}

/* ── Scroll to Top Button ── */
#scrollToTopBtn {
  position: fixed;
  bottom: 32px;
  right: 32px;
  z-index: 900;
  width: 48px;
  height: 48px;
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: 50%;
  background: rgba(14, 14, 26, 0.75);
  backdrop-filter: blur(12px);
  color: var(--accent);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.3s ease, transform 0.3s ease, background 0.2s ease, box-shadow 0.2s ease;
  pointer-events: none;
  box-shadow: 0 4px 20px rgba(0,0,0,0.4);
}
#scrollToTopBtn.visible {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}
#scrollToTopBtn:hover {
  background: rgba(245, 158, 11, 0.2);
  border-color: var(--accent);
  box-shadow: 0 4px 24px rgba(245, 158, 11, 0.3);
  transform: translateY(-2px);
}
#scrollToTopBtn:active {
  transform: translateY(0);
}
@media (max-width: 768px) {
  #scrollToTopBtn { bottom: 20px; right: 20px; width: 42px; height: 42px; }
}