:root{
  --bg:#05060a; --panel:#0b1220; --neon:#00ffd1; --accent:#ff0066;
  --text:#cbd5e1; --muted:#8b9bb1; --border:rgba(0,255,209,.14); --max:1100px;
}
*{box-sizing:border-box} html,body{margin:0;height:100%}
body{background:radial-gradient(1200px 800px at 20% 10%, #0a1524 0%, #020409 45%, #000 100%);color:var(--text);font-family:"JetBrains Mono",ui-monospace,monospace;line-height:1.6;overflow-x:hidden}
#fx{position:fixed;inset:0;pointer-events:none;z-index:0}
.header{position:sticky;top:0;z-index:2;display:flex;justify-content:space-between;align-items:center;padding:1rem 1.2rem;background:#071018b0;border-bottom:1px solid rgba(255,255,255,.06);backdrop-filter:blur(8px)}
.brand{display:flex;align-items:center;gap:.7rem;color:var(--neon);text-decoration:none}
.logo{width:42px;height:42px;border-radius:10px;background:conic-gradient(from 90deg,var(--neon),var(--accent));display:grid;place-items:center;color:#001015;font-weight:900}
.title{font-family:"Orbitron",sans-serif;letter-spacing:1.4px}
.nav a{color:var(--muted);text-decoration:none;margin-left:1rem}
.nav a:hover{color:var(--neon)}
.btn{border:1px solid var(--border);color:var(--neon);background:transparent;padding:.6rem .9rem;border-radius:10px;cursor:pointer}
.btn.ghost{color:var(--muted);border-color:rgba(255,255,255,.18)}
.container{max-width:var(--max);margin:0 auto;padding:1rem}
.hero{margin:2.2rem 0 1rem}
.kicker{text-transform:uppercase;color:var(--accent);letter-spacing:2px;font-size:.8rem}
.headline{font-family:"Orbitron",sans-serif;color:var(--neon);font-size:2.2rem;text-shadow:0 0 18px rgba(0,255,209,.12)}
.sub{color:var(--muted);max-width:72ch}
.actions{margin-top:.6rem;display:flex;gap:.6rem;flex-wrap:wrap}
.panel{margin-top:1rem;background:#000814;border:1px solid rgba(255,255,255,.05);border-radius:12px;overflow:hidden;box-shadow:inset 0 -1px 0 rgba(255,255,255,.03), 0 16px 40px rgba(0,0,0,.6)}
.bar{display:flex;gap:.4rem;padding:.5rem .7rem;background:#001018;border-bottom:1px solid rgba(255,255,255,.06)}
.dot{width:10px;height:10px;border-radius:999px}.red{background:#ff5f57}.yellow{background:#febc2e}.green{background:#28c840}
.term{padding:1rem;color:#9be6d6;white-space:pre-wrap}
.section{margin-top:2rem}
.toolbar{display:flex;gap:.8rem;align-items:center;justify-content:space-between;flex-wrap:wrap}
.tabs{display:flex;gap:.4rem;flex-wrap:wrap}
.tab{border:1px solid rgba(255,255,255,.12);background:#09121c;color:var(--muted);padding:.45rem .7rem;border-radius:10px;cursor:pointer}
.tab.active{color:#001015;background:var(--neon);border-color:var(--neon);box-shadow:0 0 16px rgba(0,255,209,.18)}
.search{background:#0a101a;border:1px solid rgba(255,255,255,.12);border-radius:10px;color:var(--text);padding:.6rem .8rem;min-width:260px}
.grid{display:grid;gap:1rem;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));margin-top:1rem}
.card{background:linear-gradient(180deg,rgba(255,255,255,.03),rgba(255,255,255,.01));border:1px solid var(--border);border-radius:14px;padding:1rem;transition:transform .2s ease, box-shadow .2s ease}
.card:hover{transform:translateY(-6px) rotateY(2deg);box-shadow:0 18px 50px rgba(0,0,0,.55)}
.badge{font-size:.72rem;color:var(--accent);letter-spacing:1px}
.card h3{margin:.35rem 0 .2rem;color:var(--neon)}
.meta{color:var(--muted);font-size:.82rem}
.preview{margin-top:.4rem;color:#dbe4ee;font-size:.92rem;max-height:8rem;overflow:hidden}
.empty{margin:1rem 0;color:var(--muted);text-align:center}
.integrity{margin:2rem 0 1rem;padding:1rem;border:1px solid rgba(255,255,255,.06);border-radius:12px;background:linear-gradient(90deg,rgba(0,255,209,.05),rgba(255,0,102,.03));color:var(--muted)}
.footer{text-align:center;color:var(--muted);padding:1rem 0;border-top:1px solid rgba(255,255,255,.06)}

/* AUDIO intro */
.audio-card{background:#000814;border:1px solid rgba(255,255,255,.06);border-radius:12px;padding:1rem;margin-top:1rem}
.audio-card audio{width:100%}
.audio-notes{margin-top:.4rem;color:var(--muted)}
/* util si no existe */
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}