:root{
  --bg:#0a0c0f; --bg2:#10141a; --card:#151a21; --card2:#1b222b; --line:#252d38;
  --gold:#D4A017; --gold2:#f0c040; --red:#E74C3C; --green:#2ECC71; --blue:#5DADE2;
  --text:#eef1f4; --muted:#8d98a6; --r:14px;
  --f-title:'Bebas Neue',Impact,sans-serif; --f-body:'Barlow',system-ui,sans-serif;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{background:var(--bg);color:var(--text);font-family:var(--f-body);font-size:16px;line-height:1.5;min-height:100vh;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
button{font-family:inherit;cursor:pointer;border:0;background:none;color:inherit}
input,textarea{font-family:inherit;font-size:15px;color:var(--text);background:var(--bg2);border:1px solid var(--line);border-radius:10px;padding:12px 14px;width:100%;outline:none;transition:.2s}
input:focus,textarea:focus{border-color:var(--gold);box-shadow:0 0 0 3px rgba(212,160,23,.15)}
textarea{resize:vertical;min-height:90px}
h1,h2,h3{font-family:var(--f-title);letter-spacing:.04em;font-weight:400;line-height:1.05}

/* ---------- botones ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 22px;border-radius:10px;font-weight:700;letter-spacing:.04em;font-size:14px;transition:.2s}
.btn-gold{background:linear-gradient(135deg,var(--gold),var(--gold2));color:#1a1300}
.btn-gold:hover{transform:translateY(-2px);box-shadow:0 8px 24px rgba(212,160,23,.35)}
.btn-ghost{border:1px solid var(--line);background:var(--card)}
.btn-ghost:hover{border-color:var(--gold);color:var(--gold)}
.btn-done{background:rgba(46,204,113,.15);color:var(--green);border:1px solid rgba(46,204,113,.4)}
.btn-block{width:100%}
.btn-sm{padding:8px 14px;font-size:13px}
.btn[disabled]{opacity:.5;pointer-events:none}

/* ---------- login ---------- */
.login{min-height:100vh;display:grid;place-items:center;padding:24px;
  background:radial-gradient(900px 500px at 80% -10%,rgba(212,160,23,.18),transparent),radial-gradient(700px 500px at 0% 110%,rgba(231,76,60,.12),transparent),var(--bg)}
.login-card{width:100%;max-width:420px;background:var(--card);border:1px solid var(--line);border-radius:20px;padding:36px 30px;text-align:center;box-shadow:0 30px 80px rgba(0,0,0,.5)}
.login-card img{width:96px;margin-bottom:14px;filter:drop-shadow(0 6px 20px rgba(212,160,23,.35))}
.login-card h1{font-size:34px;color:var(--gold)}
.login-card p.sub{color:var(--muted);margin:6px 0 22px}
.field{text-align:left;margin-bottom:14px}
.field label{display:block;font-size:12px;font-weight:700;letter-spacing:.08em;color:var(--muted);margin-bottom:6px;text-transform:uppercase}
.err{background:rgba(231,76,60,.12);border:1px solid rgba(231,76,60,.4);color:#ff8d80;border-radius:10px;padding:10px 12px;font-size:14px;margin-top:12px;text-align:left}
.demo-box{margin-top:18px;padding:12px;border:1px dashed var(--gold);border-radius:10px;font-size:13px;color:var(--muted);text-align:left}
.demo-box b{color:var(--gold)}

/* ---------- navbar ---------- */
.nav{position:sticky;top:0;z-index:50;background:rgba(10,12,15,.88);backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}
.nav-in{max-width:1200px;margin:auto;display:flex;align-items:center;gap:18px;padding:10px 20px}
.brand{display:flex;align-items:center;gap:10px;cursor:pointer}
.brand img{width:38px}
.brand b{font-family:var(--f-title);font-size:22px;letter-spacing:.08em;line-height:1;display:block}
.brand small{font-family:var(--f-title);font-size:13px;letter-spacing:.3em;color:var(--gold);display:block}
.links{display:flex;gap:4px;margin-left:18px}
.links a{padding:8px 14px;border-radius:8px;font-weight:600;font-size:14px;color:var(--muted);cursor:pointer;transition:.2s}
.links a:hover,.links a.on{color:var(--text);background:var(--card)}
.links a.on{color:var(--gold)}
.sp{flex:1}
.search{position:relative;width:260px}
.search input{padding:9px 14px 9px 36px;border-radius:99px;font-size:14px}
.search i{position:absolute;left:14px;top:50%;transform:translateY(-50%);color:var(--muted);font-size:13px}
.results{position:absolute;top:calc(100% + 8px);left:0;right:0;min-width:320px;background:var(--card);border:1px solid var(--line);border-radius:12px;overflow:hidden;box-shadow:0 20px 50px rgba(0,0,0,.6);max-height:340px;overflow-y:auto}
.results a{display:flex;gap:10px;padding:10px 12px;cursor:pointer;font-size:14px;border-bottom:1px solid var(--line)}
.results a:hover{background:var(--card2)}
.results small{color:var(--muted);display:block}
.results .none{padding:14px;color:var(--muted);font-size:14px}
.user{display:flex;align-items:center;gap:10px}
.avatar{width:36px;height:36px;border-radius:50%;background:linear-gradient(135deg,var(--gold),#a97c0c);color:#1a1300;display:grid;place-items:center;font-weight:800;font-size:13px;flex:none}
.user .nm{font-weight:600;font-size:14px;line-height:1.1}
.tag-admin{font-size:10px;font-weight:800;letter-spacing:.1em;background:var(--red);color:#fff;border-radius:4px;padding:1px 6px;margin-left:6px}
.burger{display:none;font-size:20px;padding:8px}
.mmenu{display:none}

/* ---------- layout ---------- */
.wrap{max-width:1200px;margin:auto;padding:28px 20px 60px}
.page-head{padding:36px 0 22px}
.page-head h1{font-size:clamp(34px,6vw,54px)}
.page-head p{color:var(--muted)}
.sec{display:flex;align-items:center;gap:10px;font-family:var(--f-title);letter-spacing:.08em;font-size:22px;margin:34px 0 16px}
.sec i{color:var(--gold);font-size:18px}
.empty{text-align:center;color:var(--muted);padding:50px 20px;border:1px dashed var(--line);border-radius:var(--r)}
.empty i{font-size:34px;color:var(--gold);margin-bottom:10px;display:block}

/* ---------- home ---------- */
.hero{position:relative;overflow:hidden;border-radius:24px;padding:48px 36px;margin-top:20px;
  background:radial-gradient(600px 300px at 90% 0%,rgba(212,160,23,.25),transparent),linear-gradient(135deg,#141a22,#0d1117);border:1px solid var(--line)}
.hero::after{content:"\f1e3";font-family:"Font Awesome 6 Free";font-weight:900;position:absolute;right:-30px;bottom:-60px;font-size:300px;color:rgba(212,160,23,.06);transform:rotate(-12deg);pointer-events:none}
.badge{display:inline-flex;gap:6px;align-items:center;font-size:12px;font-weight:700;letter-spacing:.12em;color:var(--gold);border:1px solid rgba(212,160,23,.4);border-radius:99px;padding:5px 12px;margin-bottom:14px;background:rgba(212,160,23,.08)}
.hero h1{font-size:clamp(38px,7vw,72px)}
.hero h1 span{color:var(--gold);display:block}
.hero p{max-width:560px;color:#b7c0cb;margin:14px 0 22px}
.stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:12px;margin-top:22px}
.stat{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:16px}
.stat b{font-family:var(--f-title);font-size:38px;color:var(--gold);display:block;line-height:1}
.stat span{font-size:13px;color:var(--muted)}
.continue{display:flex;gap:18px;align-items:center;background:var(--card);border:1px solid var(--gold);border-radius:var(--r);padding:14px;cursor:pointer;transition:.2s;box-shadow:0 0 0 0 rgba(212,160,23,.4)}
.continue:hover{transform:translateY(-3px);box-shadow:0 12px 36px rgba(212,160,23,.18)}
.continue .th{width:200px;aspect-ratio:16/9;border-radius:10px;overflow:hidden;position:relative;flex:none;background:#000}
.continue .th img{width:100%;height:100%;object-fit:cover}
.continue .th i{position:absolute;inset:0;display:grid;place-items:center;font-size:38px;color:#fff;text-shadow:0 2px 12px #000}
.continue small{color:var(--gold);font-weight:700;letter-spacing:.1em;font-size:12px}
.continue h3{font-size:26px;margin:4px 0}

/* ---------- cursos ---------- */
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(290px,1fr));gap:20px}
.course{background:var(--card);border:1px solid var(--line);border-radius:var(--r);overflow:hidden;cursor:pointer;transition:.25s;display:flex;flex-direction:column}
.course:hover{transform:translateY(-6px);border-color:var(--gold);box-shadow:0 18px 40px rgba(0,0,0,.5)}
.course .cv{aspect-ratio:16/9;position:relative;background:linear-gradient(135deg,#1c2430,#0e1218);display:grid;place-items:center;overflow:hidden}
.course .cv img{width:100%;height:100%;object-fit:cover;transition:.4s}
.course:hover .cv img{transform:scale(1.06)}
.course .cv>i{font-size:50px;color:var(--gold);opacity:.5}
.course .cat{position:absolute;top:10px;left:10px;font-size:11px;font-weight:800;letter-spacing:.08em;background:rgba(0,0,0,.7);border:1px solid rgba(212,160,23,.5);color:var(--gold);padding:3px 10px;border-radius:99px}
.course .bd{padding:16px;display:flex;flex-direction:column;gap:10px;flex:1}
.course h3{font-size:24px}
.course p{color:var(--muted);font-size:14px;flex:1}
.meta{display:flex;gap:14px;font-size:13px;color:var(--muted)}
.bar{height:8px;background:var(--bg2);border-radius:99px;overflow:hidden}
.bar>i{display:block;height:100%;background:linear-gradient(90deg,var(--gold),var(--gold2));border-radius:99px;transition:width .6s}
.bar.ok>i{background:linear-gradient(90deg,#27ae60,var(--green))}
.pct{display:flex;justify-content:space-between;font-size:12px;color:var(--muted);margin-top:5px}

/* ---------- curso / reproductor ---------- */
.back{color:var(--muted);font-weight:600;font-size:14px;margin:18px 0 6px;display:inline-flex;gap:8px;align-items:center;cursor:pointer}
.back:hover{color:var(--gold)}
.cheader h1{font-size:clamp(30px,5vw,48px)}
.cheader .bar{max-width:520px;margin-top:12px}
.player-layout{display:grid;grid-template-columns:minmax(0,1fr) 380px;gap:22px;margin-top:20px;align-items:start}
.vwrap{position:relative;aspect-ratio:16/9;background:#000;border-radius:var(--r);overflow:hidden;border:1px solid var(--line)}
.vwrap iframe,.vwrap>div{position:absolute;inset:0;width:100%;height:100%}
.lesson-info{margin-top:16px}
.lesson-info h2{font-size:clamp(24px,3.4vw,34px);margin-bottom:8px}
.lesson-info .desc{color:#b7c0cb;white-space:pre-line;font-size:15px}
.actions{display:flex;flex-wrap:wrap;gap:10px;margin:16px 0}
.notes{margin-top:8px;background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:16px}
.notes h4{font-family:var(--f-title);letter-spacing:.08em;font-size:20px;margin-bottom:8px}
.notes h4 i{color:var(--gold);margin-right:6px}
.notes .saved{font-size:12px;color:var(--green);height:16px;margin-top:6px}
.playlist{background:var(--card);border:1px solid var(--line);border-radius:var(--r);overflow:hidden;position:sticky;top:76px}
.playlist .ph{padding:14px 16px;border-bottom:1px solid var(--line)}
.playlist .ph b{font-family:var(--f-title);letter-spacing:.08em;font-size:20px}
.pl-list{max-height:560px;overflow-y:auto}
.li{display:flex;gap:12px;padding:12px 14px;cursor:pointer;border-bottom:1px solid var(--line);align-items:center;transition:.15s;position:relative}
.li:hover{background:var(--card2)}
.li.on{background:rgba(212,160,23,.1)}
.li.on::before{content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--gold)}
.li .n{width:30px;height:30px;border-radius:50%;border:2px solid var(--line);display:grid;place-items:center;font-size:12px;flex:none;color:var(--muted);font-weight:700}
.li.done .n{background:var(--green);border-color:var(--green);color:#052b13}
.li .t{font-size:14px;font-weight:600;line-height:1.25}
.li small{color:var(--muted);font-size:12px}
.li.lock{opacity:.5}

/* ---------- comunidad ---------- */
.toolbar{display:flex;justify-content:flex-end;margin-bottom:16px}
.post{display:flex;gap:14px;background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:16px;margin-bottom:12px;cursor:pointer;transition:.2s}
.post:hover{border-color:var(--gold);transform:translateX(4px)}
.post.main{cursor:default}.post.main:hover{transform:none;border-color:var(--line)}
.post .who{font-weight:700}.post .when{color:var(--muted);font-size:12px;margin-left:8px}
.post h3{font-size:24px;margin:4px 0}
.post p{color:#b7c0cb;font-size:15px;white-space:pre-line}
.post .ft{margin-top:8px;font-size:13px;color:var(--muted);display:flex;gap:16px}
.reply-form{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:16px;margin:16px 0}
.reply-form .rt{font-size:13px;color:var(--gold);margin-bottom:8px;display:flex;justify-content:space-between}
.resp{display:flex;gap:12px;margin-top:14px}
.resp .bubble{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:12px 14px;flex:1}
.resp .avatar{width:32px;height:32px;font-size:12px}
.resp .kids{margin-left:14px;border-left:2px solid var(--line);padding-left:12px}
.link-btn{font-size:13px;color:var(--gold);font-weight:600;margin-top:6px}

/* ---------- calendario ---------- */
.ev{display:flex;gap:16px;background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:16px;margin-bottom:12px;align-items:center}
.ev.past{opacity:.55}
.ev .dt{width:70px;text-align:center;background:var(--bg2);border:1px solid var(--gold);border-radius:12px;padding:8px 0;flex:none}
.ev .dt b{font-family:var(--f-title);font-size:34px;line-height:1;display:block;color:var(--gold)}
.ev .dt span{font-size:12px;font-weight:700;letter-spacing:.1em}
.ev h3{font-size:24px}
.ev .m{font-size:12px;color:var(--muted);letter-spacing:.08em;font-weight:700}
.ev p{color:#b7c0cb;font-size:14px}
.countdown{display:inline-block;margin-top:6px;font-size:12px;font-weight:700;color:#1a1300;background:var(--gold);border-radius:99px;padding:2px 10px}

/* ---------- modal / toast / confetti ---------- */
.overlay{position:fixed;inset:0;background:rgba(0,0,0,.75);backdrop-filter:blur(4px);z-index:100;display:grid;place-items:center;padding:20px}
.modal{background:var(--card);border:1px solid var(--line);border-radius:18px;padding:26px;width:100%;max-width:520px;position:relative;max-height:92vh;overflow:auto}
.modal h2{font-size:32px;margin-bottom:14px;color:var(--gold)}
.modal .x{position:absolute;right:14px;top:14px;font-size:18px;color:var(--muted)}
.modal.big{max-width:1000px;height:86vh;padding:0}
.modal.big iframe{width:100%;height:100%;border:0;border-radius:18px}
.row2{display:grid;grid-template-columns:1fr 1fr;gap:12px}
#toast{position:fixed;left:50%;bottom:24px;transform:translate(-50%,120px);background:var(--card2);border:1px solid var(--gold);padding:12px 20px;border-radius:99px;z-index:200;transition:.35s;font-weight:600;font-size:14px}
#toast.show{transform:translate(-50%,0)}
.confetti{position:fixed;top:-10px;width:10px;height:14px;z-index:300;pointer-events:none;animation:fall 2.6s ease-in forwards}
@keyframes fall{to{transform:translateY(110vh) rotate(720deg);opacity:.8}}
.footer{border-top:1px solid var(--line);color:var(--muted);text-align:center;padding:24px;font-size:13px}
.spin{display:grid;place-items:center;min-height:50vh;color:var(--gold);font-size:34px}

/* ---------- responsive ---------- */
@media(max-width:980px){
  .player-layout{grid-template-columns:1fr}
  .playlist{position:static}
  .pl-list{max-height:none}
}
@media(max-width:820px){
  .links,.user .nm,.search{display:none}
  .burger{display:block}
  .mmenu.open{display:block;border-top:1px solid var(--line);padding:8px 20px 16px}
  .mmenu a{display:flex;gap:12px;padding:12px 0;border-bottom:1px solid var(--line);font-weight:600;cursor:pointer}
  .mmenu input{margin:10px 0}
  .hero{padding:32px 20px}
  .continue{flex-direction:column;align-items:stretch}
  .continue .th{width:100%}
  .row2{grid-template-columns:1fr}
}