/* Aula de miembros: oscuro, tarjetas, acento por oferta (--accent). Mobile primero. */
:root{--bg:#0b0b0d;--panel:#141417;--panel2:#1c1c21;--line:#2a2a31;--txt:#f4f4f6;--mut:#9b9ba6;--accent:#e73a04;--ok:#3ddc97;--r:14px;color-scheme:dark}
*{box-sizing:border-box;margin:0;padding:0}
html{-webkit-text-size-adjust:100%}
body{margin:0;min-height:100dvh;background:var(--bg);color:var(--txt);font:400 16px/1.55 'DM Sans',system-ui,-apple-system,'Segoe UI',Roboto,sans-serif}
a{color:inherit}
button{font:inherit;color:inherit;cursor:pointer}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.top{position:sticky;top:0;z-index:20;background:rgba(11,11,13,.92);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.top .in{max-width:1280px;margin:0 auto;padding:12px 18px;display:flex;align-items:center;gap:14px}
.logo{display:flex;align-items:center;gap:10px;text-decoration:none;font-weight:800;letter-spacing:.01em;min-width:0}
.logo i{flex:none;width:30px;height:30px;border-radius:9px;background:var(--accent);display:grid;place-items:center;font:800 15px 'DM Sans';font-style:normal;color:#fff}
.logo span{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.tabs{display:flex;gap:4px;margin-left:10px}
.tabs a{padding:8px 14px;border-radius:99px;text-decoration:none;color:var(--mut);font-weight:700;font-size:14.5px}
.tabs a.on{background:var(--panel2);color:var(--txt)}
.who{margin-left:auto;display:flex;align-items:center;gap:10px;font-size:14px;color:var(--mut);min-width:0}
.who b{display:grid;place-items:center;flex:none;width:32px;height:32px;border-radius:50%;background:var(--panel2);color:var(--txt);border:1px solid var(--line);text-transform:uppercase}
.who em{font-style:normal;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:200px}
.who button{background:none;border:1px solid var(--line);border-radius:99px;padding:6px 12px;font-size:13px;color:var(--mut)}
main{max-width:1280px;margin:0 auto;padding:22px 18px 80px}
h1,h2,h3{line-height:1.15;text-wrap:balance}
.hero{padding:10px 0 22px}.hero h1{font-size:clamp(26px,5vw,38px);font-weight:800}.hero p{color:var(--mut);margin-top:6px}
.cont{display:flex;gap:16px;align-items:center;background:linear-gradient(135deg,var(--panel2),var(--panel));border:1px solid var(--line);border-radius:var(--r);padding:14px;margin-bottom:26px;text-decoration:none}
.cont img{width:150px;aspect-ratio:16/9;object-fit:cover;border-radius:10px;flex:none;background:#000}
.cont small{color:var(--accent);font-weight:800;letter-spacing:.08em;text-transform:uppercase;font-size:12px}
.cont h3{font-size:19px;margin:2px 0}.cont p{color:var(--mut);font-size:14px}
.cont .go{margin-left:auto;flex:none;background:var(--accent);color:#fff;border-radius:99px;padding:10px 18px;font-weight:800}
.sec-t{font-size:13px;letter-spacing:.1em;text-transform:uppercase;color:var(--mut);font-weight:800;margin:6px 0 12px}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(290px,1fr));gap:16px;margin-bottom:30px}
.card{display:flex;flex-direction:column;background:var(--panel);border:1px solid var(--line);border-radius:var(--r);overflow:hidden;text-decoration:none;transition:transform .2s,border-color .2s}
.card:hover{transform:translateY(-3px);border-color:#3b3b45}
.card .cv{position:relative;aspect-ratio:16/10;background:#000;overflow:hidden}
.card .cv img{width:100%;height:100%;object-fit:cover;display:block}
.card .bd{padding:14px 16px 16px;display:flex;flex-direction:column;gap:6px;flex:1}
.card h3{font-size:18px}.card p{color:var(--mut);font-size:14px}
.pill{position:absolute;top:10px;left:10px;background:rgba(0,0,0,.72);backdrop-filter:blur(6px);border:1px solid var(--line);border-radius:99px;padding:4px 10px;font-size:12px;font-weight:800}
.bar{height:6px;border-radius:99px;background:var(--panel2);overflow:hidden;margin-top:auto}.bar i{display:block;height:100%;background:var(--accent);border-radius:99px}
.barlab{display:flex;justify-content:space-between;color:var(--mut);font-size:13px;margin-top:8px}
.card.lock .cv img{filter:grayscale(.55) brightness(.55)}
.card.lock .cv:after{content:"";position:absolute;inset:0;background:radial-gradient(circle at 50% 50%,rgba(0,0,0,.2),rgba(0,0,0,.55))}
.lk{position:absolute;z-index:2;inset:0;display:grid;place-items:center}.lk svg{width:44px;height:44px;padding:11px;background:rgba(0,0,0,.7);border-radius:50%;border:1px solid var(--line)}
.price{display:flex;align-items:baseline;gap:8px;margin-top:4px}.price b{font-size:20px}.price s{color:var(--mut);font-size:14px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:0;border-radius:99px;padding:11px 20px;background:var(--accent);color:#fff;font-weight:800;text-decoration:none}
.btn.ghost{background:var(--panel2);border:1px solid var(--line);color:var(--txt)}
.btn.ok{background:var(--ok);color:#06210f}
.btn[disabled]{opacity:.5;cursor:default}
.tz{margin:0;padding-left:18px;color:var(--mut);font-size:13.5px}
.note{background:var(--panel);border:1px dashed var(--line);border-radius:12px;padding:12px 14px;color:var(--mut);font-size:14px;margin:10px 0}
/* aula */
.room{display:grid;grid-template-columns:340px minmax(0,1fr);gap:22px;align-items:start}
.side{position:sticky;top:76px;background:var(--panel);border:1px solid var(--line);border-radius:var(--r);overflow:hidden;max-height:calc(100dvh - 96px);display:flex;flex-direction:column}
.side header{padding:16px 16px 12px;border-bottom:1px solid var(--line)}
.side header a{color:var(--mut);font-size:13px;text-decoration:none;font-weight:700}
.side header h2{font-size:18px;margin:6px 0 10px}
.side .scroll{overflow:auto;flex:1}
.side details{border-bottom:1px solid var(--line)}
.side summary{list-style:none;cursor:pointer;padding:13px 16px;font-weight:800;font-size:14.5px;display:flex;gap:8px;align-items:center;justify-content:space-between}
.side summary::-webkit-details-marker{display:none}
.side summary small{color:var(--mut);font-weight:600}
.side summary:after{content:"+";color:var(--mut);font-size:18px}.side details[open] summary:after{content:"–"}
.les{display:flex;gap:10px;align-items:flex-start;padding:10px 16px;text-decoration:none;font-size:14.5px;color:#d4d4dc;border-left:3px solid transparent}
.les:hover{background:var(--panel2)}.les.on{background:var(--panel2);border-left-color:var(--accent);color:#fff}
.les .ck{flex:none;width:20px;height:20px;border-radius:50%;border:2px solid #4a4a55;margin-top:1px;display:grid;place-items:center}
.les.done .ck{background:var(--ok);border-color:var(--ok)}.les.done .ck:after{content:"";width:5px;height:9px;border:solid #06210f;border-width:0 2px 2px 0;transform:rotate(45deg) translate(-1px,-1px)}
.les.off{opacity:.55}.les small{display:block;color:var(--mut);font-size:12px}
.stage{min-width:0}
.player{background:#000;border-radius:var(--r);overflow:hidden;aspect-ratio:16/9;border:1px solid var(--line);position:relative}
.player video{width:100%;height:100%;display:block;background:#000}
.player .wait{position:absolute;inset:0;display:grid;place-items:center;text-align:center;padding:24px;color:var(--mut)}
.lt{margin:18px 0 6px;font-size:clamp(22px,3.4vw,30px);font-weight:800}
.meta{color:var(--mut);font-size:14px}
.acts{display:flex;flex-wrap:wrap;gap:10px;margin:16px 0}
.res{margin-top:18px;background:var(--panel);border:1px solid var(--line);border-radius:var(--r);padding:14px 16px}
.res h3{font-size:15px;margin-bottom:8px}.res a{display:block;padding:6px 0;color:var(--accent);font-weight:700}
.toast{position:fixed;left:50%;bottom:20px;transform:translateX(-50%);background:#fff;color:#111;border-radius:99px;padding:11px 18px;font-weight:700;font-size:14px;z-index:50;box-shadow:0 10px 30px rgba(0,0,0,.5)}
.center{min-height:100dvh;display:grid;place-items:center;padding:24px;background:radial-gradient(900px 500px at 50% -10%,color-mix(in srgb,var(--accent) 22%,transparent),transparent),var(--bg)}
.box{width:min(440px,100%);background:var(--panel);border:1px solid var(--line);border-radius:20px;padding:30px 24px;text-align:center}
.box .logo{justify-content:center;margin-bottom:18px}.box h1{font-size:25px;margin-bottom:8px}.box p{color:var(--mut);margin-bottom:18px}
.box input{width:100%;background:var(--bg);border:1px solid var(--line);color:var(--txt);border-radius:12px;padding:14px;font:inherit;margin-bottom:12px}
.box .btn{width:100%}.msg{margin-top:14px;font-size:14.5px;color:var(--mut)}.msg.err{color:#ff8a7a}
.fine{margin-top:16px;font-size:13px;color:var(--mut)}
@media(max-width:900px){.room{grid-template-columns:1fr}.side{position:static;max-height:none;order:2}.stage{order:1}.tabs{display:none}.who em{display:none}.cont{flex-wrap:wrap}.cont .go{margin-left:0}.cont img{width:100%}}
@media(prefers-reduced-motion:reduce){*{transition:none!important}}

.cv.nocover{background:linear-gradient(135deg,color-mix(in srgb,var(--accent) 55%,#000),#101013 70%);display:grid;place-items:center}
.cv.nocover:before{content:attr(data-i);font:800 64px/1 'DM Sans';color:rgba(255,255,255,.22)}

.pdfv{display:block;width:100%;height:78vh;min-height:480px;border:0;border-radius:var(--r);background:#222}
.card.lock[href]{text-decoration:none;color:inherit;cursor:pointer}
:root[data-tema=light]{--bg:#f5f5f7;--panel:#ffffff;--panel2:#eeeef2;--line:#dcdce3;--txt:#17171a;--mut:#62626d;--ok:#12a36a;color-scheme:light}
:root[data-tema=light] body{background:var(--bg);color:var(--txt)}
:root[data-tema=light] .top{background:rgba(255,255,255,.92)}
:root[data-tema=light] .pdfv{background:#dcdce3}
:root[data-tema=light] .les.on{color:var(--txt)}
.player:has(.pdfv){aspect-ratio:auto;background:none;border:0;overflow:visible}
.tema{background:none;border:1px solid var(--line);border-radius:99px;width:36px;height:36px;display:grid;place-items:center;color:var(--txt);cursor:pointer;flex:none;margin-right:8px}
.tema svg{width:18px;height:18px}.tema .i-sun{display:none}:root[data-tema=dark] .tema .i-sun{display:block}:root[data-tema=dark] .tema .i-moon{display:none}:root[data-tema=light] .tema .i-sun{display:none}:root[data-tema=light] .tema .i-moon{display:block}
.fix-tema{position:fixed;top:12px;right:12px;z-index:30}
.cv.contain{background:radial-gradient(circle at 50% 40%,color-mix(in srgb,var(--accent) 28%,var(--panel2)),var(--panel2) 75%)}.cv.contain img{object-fit:contain;padding:14px 0}
.card.lock .cv.contain img{filter:grayscale(.4) brightness(.6)}