/* IT2GO® Academia — estilos */
:root{
  --navy:#001A2C; --navy-2:#0B2A3F; --green:#00A282; --green-d:#008a6f;
  --bg:#F4F8F9; --card:#ffffff; --ink:#33444F; --muted:#7d8c95;
  --line:#e4ecef; --soft:#E6F5F1; --danger:#c0392b; --amber:#b07d2b;
  --r:14px; --shadow:0 4px 18px rgba(0,26,44,.08);
}
*{box-sizing:border-box;margin:0;padding:0}
body{font-family:'Inter',Segoe UI,Arial,sans-serif;background:var(--bg);color:var(--ink);min-height:100vh}
h1,h2,h3,.display{font-family:'Sora',Segoe UI,sans-serif}
a{color:var(--green);text-decoration:none}
button{font-family:inherit;cursor:pointer}

/* ── Hero ── */
.hero{position:relative;background:var(--navy);color:#fff;padding:64px 24px 88px;overflow:hidden}
#neural{position:absolute;inset:0;width:100%;height:100%;opacity:.5}
.hero-inner{position:relative;max-width:1180px;margin:0 auto}
.hero .eyebrow{color:var(--green);font-weight:600;letter-spacing:.18em;text-transform:uppercase;font-size:12px}
.hero h1{font-size:clamp(28px,4.5vw,46px);font-weight:700;margin:10px 0 8px}
.hero p{color:#b9c8d2;max-width:640px;font-size:16px}
.hero-actions{margin-top:22px;display:flex;gap:12px;flex-wrap:wrap}

.btn{display:inline-flex;align-items:center;gap:8px;border:none;border-radius:10px;
  padding:11px 22px;font-weight:600;font-size:14px;transition:.18s}
.btn-green{background:var(--green);color:#fff}
.btn-green:hover{background:var(--green-d)}
.btn-ghost{background:transparent;color:#fff;border:1.5px solid rgba(255,255,255,.35)}
.btn-ghost:hover{border-color:var(--green);color:var(--green)}
.btn-line{background:#fff;color:var(--navy);border:1.5px solid var(--line)}
.btn-line:hover{border-color:var(--green);color:var(--green)}
.btn-sm{padding:7px 14px;font-size:13px;border-radius:8px}
.btn:disabled{opacity:.55;cursor:not-allowed}

/* ── Topbar de sesión ── */
.session-bar{position:absolute;top:18px;right:24px;display:flex;gap:10px;align-items:center;z-index:3}
.session-bar .who{color:#b9c8d2;font-size:13px}
.session-bar .who b{color:#fff}

/* ── Layout catálogo ── */
.wrap{max-width:1180px;margin:-46px auto 60px;padding:0 24px;position:relative;display:grid;
  grid-template-columns:250px 1fr;gap:24px;align-items:start}
@media(max-width:880px){.wrap{grid-template-columns:1fr}}

.panel{background:var(--card);border-radius:var(--r);box-shadow:var(--shadow);padding:20px}
.filters{position:sticky;top:18px}
.filters h3{font-size:14px;color:var(--navy);margin-bottom:10px;display:flex;justify-content:space-between;align-items:center}
.filters .group{margin-bottom:18px}
.filters label{display:flex;gap:8px;align-items:center;font-size:14px;padding:5px 0;cursor:pointer;color:var(--ink)}
.filters input[type=checkbox]{accent-color:var(--green);width:16px;height:16px}
.search{width:100%;border:1.5px solid var(--line);border-radius:10px;padding:10px 14px;font-size:14px;margin-bottom:16px}
.search:focus{outline:none;border-color:var(--green)}

/* ── Tarjetas de video ── */
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(270px,1fr));gap:20px}
.vcard{background:var(--card);border-radius:var(--r);box-shadow:var(--shadow);overflow:hidden;
  display:flex;flex-direction:column;transition:transform .18s}
.vcard:hover{transform:translateY(-3px)}
.thumb{position:relative;aspect-ratio:16/9;background:linear-gradient(135deg,var(--navy),var(--navy-2));
  display:flex;align-items:center;justify-content:center;cursor:pointer}
.thumb img{width:100%;height:100%;object-fit:cover}
.thumb .play{position:absolute;width:54px;height:54px;border-radius:50%;background:rgba(0,162,130,.92);
  display:flex;align-items:center;justify-content:center;transition:.18s}
.thumb:hover .play{transform:scale(1.08)}
.thumb .play svg{margin-left:3px}
.thumb .dur{position:absolute;right:8px;bottom:8px;background:rgba(0,26,44,.85);color:#fff;
  font-size:11px;padding:3px 8px;border-radius:6px}
.badge{position:absolute;left:8px;top:8px;font-size:11px;font-weight:600;padding:4px 10px;border-radius:20px}
.badge.public{background:var(--soft);color:var(--green-d)}
.badge.registered{background:#fff4e0;color:var(--amber)}
.badge.private{background:#001A2Cdd;color:#7fe0c8}
.vbody{padding:16px;flex:1;display:flex;flex-direction:column;gap:6px}
.vbody .marca{font-size:11px;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:var(--green)}
.vbody h3{font-size:15.5px;color:var(--navy);line-height:1.35}
.vbody p{font-size:13px;color:var(--muted);flex:1}
.empty{grid-column:1/-1;text-align:center;color:var(--muted);padding:60px 0}

/* ── Modales ── */
.modal-bg{position:fixed;inset:0;background:rgba(0,26,44,.62);display:none;align-items:center;
  justify-content:center;z-index:50;padding:18px}
.modal-bg.open{display:flex}
.modal{background:#fff;border-radius:16px;max-width:430px;width:100%;padding:30px;position:relative;
  max-height:92vh;overflow:auto}
.modal.player{max-width:900px;background:var(--navy);padding:14px}
.modal h2{color:var(--navy);font-size:20px;margin-bottom:6px}
.modal .sub{color:var(--muted);font-size:13.5px;margin-bottom:18px}
.modal .x{position:absolute;top:12px;right:14px;background:none;border:none;font-size:22px;color:var(--muted)}
.modal.player .x{color:#fff;z-index:2}
.field{margin-bottom:14px}
.field label{display:block;font-size:13px;font-weight:600;color:var(--navy);margin-bottom:5px}
.field input{width:100%;border:1.5px solid var(--line);border-radius:10px;padding:11px 14px;font-size:14px}
.field input:focus{outline:none;border-color:var(--green)}
.field .hint{font-size:12px;color:var(--muted);margin-top:4px}
.msg{border-radius:10px;padding:10px 14px;font-size:13.5px;margin-bottom:14px;display:none}
.msg.err{display:block;background:#fdecea;color:var(--danger)}
.msg.ok{display:block;background:var(--soft);color:var(--green-d)}
.modal .alt{text-align:center;font-size:13.5px;color:var(--muted);margin-top:14px}
.code-input{letter-spacing:12px;text-align:center;font-size:24px;font-weight:700}
video{width:100%;border-radius:10px;display:block;background:#000}
.player-title{color:#fff;font-size:15px;padding:10px 4px 4px;font-family:'Sora',sans-serif}

footer{background:var(--navy);color:#b9c8d2;text-align:center;padding:26px;font-size:13px}
footer b{color:#fff}
@media (prefers-reduced-motion: reduce){
  .vcard,.btn,.thumb .play{transition:none}
  #neural{display:none}
}

/* ── Fecha en tarjeta ── */
.vbody .vdate{font-size:12px;color:var(--muted);margin-top:2px}

/* ── Botón de descarga en el player ── */
.player-title{display:flex;align-items:center;justify-content:space-between;gap:10px}
#playerDownload{flex-shrink:0}