/* ---------- Layout ---------- */
main{max-width:1240px;margin:0 auto;padding:0 24px}
section{padding:56px 0}
.section-head{display:flex;flex-wrap:wrap;gap:20px;align-items:flex-end;justify-content:space-between;margin-bottom:26px}
.section-head p{margin:0;max-width:56ch;font-size:.9rem}
/* ---------- Hero ---------- */
.hero{position:relative;display:grid;grid-template-columns:1.05fr .95fr;gap:44px;align-items:center;padding-top:64px}
.hero-glow{position:absolute;inset-block-start:-60px;inset-inline-start:-80px;width:460px;height:460px;border-radius:50%;background:radial-gradient(circle,rgba(37,99,235,.28),transparent 65%);filter:blur(20px);pointer-events:none}
.hero-copy{position:relative;animation:fadeUp .6s var(--ease) both}
.hero-copy p{color:var(--muted);max-width:52ch;font-size:.97rem}
.hero-facts{display:flex;flex-wrap:wrap;gap:8px 18px;margin-top:8px}
.hero-facts span{display:inline-flex;align-items:center;gap:7px;font-size:.8rem;color:#cbd5e1}
.hero-facts svg{width:15px;height:15px;color:var(--accent-2)}
/* ---------- Stats ---------- */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;padding:0 0 12px}
.stat{padding:18px 20px;border-radius:var(--radius);background:var(--surface);border:1px solid var(--border);backdrop-filter:blur(12px);transition:transform .25s var(--ease),border-color .25s}
.stat:hover{transform:translateY(-3px);border-color:var(--border-strong)}
.stat-top{display:flex;align-items:center;gap:8px;color:var(--muted);font-size:.78rem}
.stat-top svg{width:15px;height:15px;color:var(--primary-2)}
.stat b{display:block;font-family:var(--font-head);font-size:1.7rem;line-height:1.3;margin-top:6px}
.stat small{color:var(--muted);font-size:.72rem}
/* ---------- Analysis ---------- */
.analysis{animation:fadeUp .4s var(--ease) both}
.analysis-actions{display:flex;gap:10px}
.library{padding-top:40px}
.lib-tools{display:flex;gap:10px;flex-wrap:wrap}
.search{position:relative;display:flex;align-items:center}
.search svg{position:absolute;inset-inline-start:12px;width:15px;height:15px;color:var(--muted);pointer-events:none}
.search input{background:rgba(7,11,22,.6);border:1px solid var(--border);border-radius:999px;padding:9px 38px 9px 16px;font-size:.85rem;width:230px;transition:border-color .2s,width .3s var(--ease)}
.search input:focus{outline:none;border-color:var(--primary-2);width:270px}
.filters{display:flex;flex-wrap:wrap;gap:9px;margin-bottom:24px}
/* ---------- Engine ---------- */
.engine{padding-top:24px}
.engine-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:16px}
.ecard{padding:20px;border-radius:var(--radius);background:linear-gradient(165deg,rgba(255,255,255,.06),rgba(255,255,255,.02));border:1px solid var(--border);transition:transform .28s var(--ease),border-color .28s}
.ecard:hover{transform:translateY(-4px);border-color:rgba(245,158,11,.35)}
.ecard-n{display:grid;place-items:center;width:34px;height:34px;border-radius:10px;background:rgba(37,99,235,.2);border:1px solid rgba(147,197,253,.3);font-family:var(--font-body);font-size:.8rem;color:#bfdbfe;margin-bottom:12px}
.ecard h3{font-family:var(--font-body);font-size:.95rem;margin-bottom:6px}
.ecard p{font-size:.82rem;color:var(--muted);margin:0}
/* ---------- Empty ---------- */
.empty{display:grid;place-items:center;text-align:center;gap:6px;padding:64px 20px;border:1px dashed var(--border-strong);border-radius:24px;background:rgba(255,255,255,.02)}
.empty-icon{width:60px;height:60px;border-radius:18px;display:grid;place-items:center;background:var(--surface-2);border:1px solid var(--border);margin-bottom:8px}
.empty-icon svg{width:26px;height:26px;color:var(--muted)}
.empty h3{font-size:1.15rem;margin:0}
.empty p{color:var(--muted);font-size:.88rem;margin:0 0 12px;max-width:40ch}
/* ---------- Responsive ---------- */
@media(max-width:1024px){
  .hero{grid-template-columns:1fr;gap:28px;padding-top:40px}
  .stats{grid-template-columns:repeat(2,1fr)}
  .detail-grid{grid-template-columns:1fr}
  .preview iframe{height:320px}
}
@media(max-width:720px){
  section{padding:40px 0}
  main{padding:0 16px}
  .acard{grid-template-columns:72px 1fr;gap:12px}
  .acard-thumb{width:72px;height:72px}
  .grid{grid-template-columns:repeat(auto-fill,minmax(160px,1fr));gap:12px}
  .search input,.search input:focus{width:100%}
  .lib-tools{width:100%}
  .search{flex:1}
  .dropzone{min-height:280px}
  .modal-card{padding:20px;border-radius:18px}
}
@media(max-width:420px){
  .stats{grid-template-columns:1fr}
  .nav-actions .btn span{display:none}
}