/* ===========================================================
   THEME · STANDARD  — light, Nunito, blue accent
   =========================================================== */
@import url('https://fonts.googleapis.com/css2?family=Nunito:wght@400;600;700;800&display=swap');

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg:#f0f4f8; --surface:#ffffff; --primary:#4f7ef8; --primary-dark:#3563e9;
  --primary-light:#e8effe; --text:#1e293b; --muted:#64748b; --border:#e2e8f0; --radius:16px;
}

#cursor { display:none; }

body {
  background:var(--bg); color:var(--text);
  font-family:'Nunito',sans-serif; min-height:100vh;
}

/* Header */
header {
  background:var(--surface); border-bottom:1px solid var(--border);
  padding:1.6rem 2.5rem; display:flex; align-items:center; gap:1.25rem;
  position:sticky; top:0; z-index:100; box-shadow:0 4px 20px rgba(15,23,42,.07);
}
.header-main { display:flex; align-items:center; gap:.9rem; }
.header-icon {
  width:42px; height:42px; background:var(--primary-light); border-radius:12px;
  display:flex; align-items:center; justify-content:center;
}
.header-icon svg { fill:var(--primary); }
.header-title { font-size:1.4rem; font-weight:800; letter-spacing:-.02em; }
.header-title span { color:var(--primary); }

.view-switch { display:flex; gap:.5rem; align-items:center; margin-left:1rem; }
.view-switch .vs-label {
  font-size:.7rem; font-weight:700; letter-spacing:.1em; text-transform:uppercase;
  color:var(--muted); margin-right:.2rem;
}
.view-switch a {
  font-size:.8rem; font-weight:700; color:var(--text); text-decoration:none;
  border:1.5px solid var(--border); padding:.3rem .85rem; border-radius:999px;
  transition:color .2s,border-color .2s,background .2s;
}
.view-switch a:hover { color:var(--primary-dark); border-color:var(--primary); background:var(--primary-light); }
.view-switch a.active { color:#fff; background:var(--primary); border-color:var(--primary); }

.header-count {
  margin-left:auto; background:var(--primary-light); color:var(--primary-dark);
  font-size:.78rem; font-weight:700; padding:.28rem .8rem; border-radius:999px;
}

main { max-width:1280px; margin:0 auto; padding:3.5rem 2rem 4rem; }

/* Filter bar */
.filter-bar {
  display:flex; align-items:center; justify-content:space-between; gap:1rem; flex-wrap:wrap;
  background:var(--surface); border:1.5px solid var(--border); border-radius:12px;
  padding:.7rem 1.1rem; margin-bottom:1.8rem; font-size:.9rem;
}
.filter-bar strong { color:var(--primary-dark); }
.filter-clear {
  color:var(--primary-dark); text-decoration:none; font-weight:700; font-size:.85rem;
  border:1.5px solid var(--border); padding:.28rem .8rem; border-radius:999px;
  transition:background .2s,border-color .2s;
}
.filter-clear:hover { background:var(--primary-light); border-color:var(--primary); }

/* Block */
.block { margin-bottom:2.8rem; }
.block-head { display:flex; align-items:center; gap:.75rem; margin-bottom:1.1rem; }
.block-title { font-size:1.15rem; font-weight:800; letter-spacing:-.01em; }
.block-count {
  background:var(--primary-light); color:var(--primary-dark);
  font-size:.72rem; font-weight:800; padding:.15rem .6rem; border-radius:999px;
}
.copy-link {
  margin-left:auto; display:inline-flex; align-items:center; gap:.4rem;
  font-family:inherit; font-size:.76rem; font-weight:700; color:var(--muted);
  background:var(--surface); border:1.5px solid var(--border);
  padding:.32rem .8rem; border-radius:999px; cursor:pointer;
  transition:color .18s,border-color .18s,background .18s;
}
.copy-link svg { fill:currentColor; }
.copy-link:hover { color:var(--primary-dark); border-color:var(--primary); background:var(--primary-light); }
.copy-link.copied { color:#16a34a; border-color:#86efac; background:#f0fdf4; }

/* Grid + cards */
.grid { display:grid; grid-template-columns:repeat(auto-fill,minmax(260px,1fr)); gap:1.4rem; }

.card {
  background:var(--surface); border-radius:var(--radius); overflow:hidden; cursor:pointer;
  box-shadow:0 2px 8px rgba(0,0,0,.05); border:1.5px solid var(--border);
  transition:transform .22s,box-shadow .22s,border-color .22s;
}
.card:hover { transform:translateY(-5px); box-shadow:0 8px 28px rgba(79,126,248,.14); border-color:var(--primary); }

.thumb { position:relative; aspect-ratio:16/9; overflow:hidden; background:var(--primary-light); }
.thumb-img { width:100%; height:100%; object-fit:cover; display:block; transition:transform .35s; }
.card:hover .thumb-img { transform:scale(1.05); }
.thumb-fallback {
  width:100%; height:100%; display:flex; align-items:center; justify-content:center;
  background:linear-gradient(135deg,#dbeafe 0%,#e0e7ff 100%);
}
.thumb-fallback svg { fill:var(--primary); opacity:.3; }

.thumb-overlay { position:absolute; inset:0; background:rgba(30,41,59,.15); transition:background .22s; }
.card:hover .thumb-overlay { background:rgba(79,126,248,.2); }

.play {
  position:absolute; inset:0; margin:auto; width:52px; height:52px;
  background:#fff; border-radius:50%;
  display:flex; align-items:center; justify-content:center;
  box-shadow:0 4px 18px rgba(0,0,0,.18); transform:scale(.88);
  transition:transform .22s,background .22s; z-index:2;
}
.play svg { fill:var(--primary); margin-left:3px; }
.play-label { display:none; }
.card:hover .play { transform:scale(1); background:var(--primary); }
.card:hover .play svg { fill:#fff; }

.card-body { padding:.9rem 1rem 1rem; }
.card-index { display:none; }
.card-title {
  font-size:.92rem; font-weight:700; color:var(--text); line-height:1.45;
  display:-webkit-box; -webkit-line-clamp:2; -webkit-box-orient:vertical; overflow:hidden;
}

/* Modal */
#modal {
  display:none; position:fixed; inset:0; z-index:500;
  background:rgba(15,23,42,.72); backdrop-filter:blur(8px);
  align-items:center; justify-content:center; padding:1.5rem; animation:fadeIn .2s;
}
#modal.open { display:flex; }
@keyframes fadeIn { from{opacity:0} to{opacity:1} }

.modal-box {
  background:var(--surface); border-radius:20px; width:min(95vw,960px); overflow:hidden;
  box-shadow:0 32px 80px rgba(0,0,0,.28); animation:popIn .3s cubic-bezier(.16,1,.3,1);
}
@keyframes popIn { from{transform:scale(.93) translateY(18px);opacity:0} to{transform:scale(1) translateY(0);opacity:1} }

.modal-head { display:flex; align-items:center; gap:.8rem; padding:.95rem 1.2rem; border-bottom:1px solid var(--border); }
.modal-tag { display:none; }
.modal-title { font-size:.98rem; font-weight:800; flex:1; white-space:nowrap; overflow:hidden; text-overflow:ellipsis; }
.close-btn {
  width:34px; height:34px; border:1.5px solid var(--border); background:transparent; border-radius:9px;
  cursor:pointer; display:flex; align-items:center; justify-content:center; color:var(--muted);
  font-size:.95rem; transition:background .18s,color .18s,border-color .18s; flex-shrink:0;
}
.close-btn:hover { background:#fee2e2; border-color:#fca5a5; color:#dc2626; }

.video-wrap { aspect-ratio:16/9; background:#000; }
.video-wrap video { width:100%; height:100%; display:block; }

.modal-foot { padding:.65rem 1.2rem; border-top:1px solid var(--border); display:flex; align-items:center; justify-content:space-between; gap:1rem; }
.esc-hint { font-size:.73rem; color:var(--muted); }
.speed-control { display:flex; align-items:center; gap:.4rem; flex-shrink:0; }
.speed-label { font-size:.72rem; font-weight:700; letter-spacing:.06em; text-transform:uppercase; color:var(--muted); margin-right:.15rem; }
.speed-btn {
  font-family:inherit; font-size:.78rem; font-weight:700; color:var(--muted);
  background:transparent; border:1.5px solid var(--border); border-radius:999px;
  padding:.18rem .65rem; cursor:pointer; transition:color .18s,border-color .18s,background .18s;
}
.speed-btn:hover { color:var(--primary-dark); border-color:var(--primary); background:var(--primary-light); }
.speed-btn.active { color:#fff; background:var(--primary); border-color:var(--primary); }
kbd { background:var(--border); border:1px solid #cbd5e1; border-radius:5px; padding:.1rem .38rem; font-family:inherit; font-size:.68rem; color:var(--muted); }

/* Empty */
.empty { text-align:center; padding:5rem 2rem; }
.empty-icon { width:76px; height:76px; background:var(--primary-light); border-radius:22px; display:flex; align-items:center; justify-content:center; margin:0 auto 1.3rem; }
.empty-icon svg { fill:var(--primary); opacity:.55; }
.empty h2 { font-size:1.35rem; font-weight:800; margin-bottom:.4rem; }
.empty p { color:var(--muted); font-size:.88rem; }

/* Toast */
#toast {
  position:fixed; bottom:1.5rem; left:50%; transform:translateX(-50%) translateY(20px);
  background:var(--text); color:#fff; font-size:.82rem; font-weight:700;
  padding:.6rem 1.1rem; border-radius:999px; opacity:0; pointer-events:none;
  transition:opacity .25s,transform .25s; z-index:900;
}
#toast.show { opacity:1; transform:translateX(-50%) translateY(0); }

@media(max-width:640px){
  header { padding:1rem 1.2rem; flex-wrap:wrap; }
  .view-switch { margin-left:0; }
  main { padding:1.5rem 1rem 3rem; }
}