:root{--bg:#050713;--glass:rgba(255,255,255,.09);--line:rgba(255,255,255,.18);--text:#fff;--muted:#b8c4dd;--cyan:#00e5ff;--violet:#8b5cf6;--yellow:#ffd166;--green:#25d366;--shadow:0 30px 90px rgba(0,229,255,.18)}*{margin:0;padding:0;box-sizing:border-box}html{scroll-behavior:smooth}body{font-family:Arial,Helvetica,sans-serif;background:var(--bg);color:var(--text);overflow-x:hidden}a{text-decoration:none;color:inherit}.container{width:min(1180px,92%);margin:auto}.sidebar{position:fixed;top:50%;left:22px;transform:translateY(-50%);z-index:999;width:88px;padding:16px 10px;border-radius:32px;background:rgba(8,15,35,.58);border:1px solid var(--line);backdrop-filter:blur(22px);box-shadow:0 20px 70px rgba(0,0,0,.38)}.side-logo{width:56px;height:56px;margin:0 auto 16px;display:grid;place-items:center;border-radius:20px;background:linear-gradient(135deg,var(--cyan),var(--violet));box-shadow:0 0 28px 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/* ====== NUEVA VISTA DE CLASES: reproductor visible pero bloqueado ====== */
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