:root{--ink:#11141d;--muted:#707682;--line:#e6e7ea;--paper:#f5f5f3;--white:#fff;--brand:#111827;--radius:24px;--shadow:0 18px 55px rgba(20,25,35,.08)}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--ink);font-family:Inter,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}a{color:inherit;text-decoration:none}button,input,textarea,select{font:inherit}button{cursor:pointer}.eyebrow{display:block;color:var(--muted);font-size:11px;font-weight:800;letter-spacing:.18em}.container{width:min(1240px,calc(100% - 48px));margin:0 auto;padding:64px 0 100px}.container.narrow{max-width:850px}.topbar{height:82px;padding:0 max(24px,calc((100vw - 1240px)/2));display:flex;align-items:center;gap:50px;background:rgba(255,255,255,.94);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20;backdrop-filter:blur(15px)}.brand{display:flex;align-items:center;gap:12px;margin-right:auto}.brand img{width:40px;height:40px;object-fit:contain}.brand img.botlab-logo{width:74px}.brand b,.brand small{display:block}.brand b{font-size:14px}.brand small{font-size:9px;letter-spacing:.2em;color:var(--muted);margin-top:2px}.topbar nav{display:flex;gap:30px}.topbar nav a{font-size:12px;font-weight:700;color:#606672}.topbar nav a:hover{color:var(--ink)}.account{display:flex;align-items:center;gap:15px;text-align:right;font-size:12px}.account span,.account small{display:block}.account small{color:var(--muted);margin-top:2px}.account form{margin:0}.icon-button{border:1px solid var(--line);background:#fff;border-radius:50%;width:38px;height:38px}.page-head{display:flex;justify-content:space-between;align-items:flex-end;gap:30px;margin-bottom:38px}.page-head h1{font-size:clamp(42px,6vw,72px);font-weight:450;letter-spacing:-.055em;line-height:.95;margin:10px 0}.page-head p{color:var(--muted);margin:12px 0 0}.primary,.secondary{display:inline-flex;align-items:center;justify-content:center;gap:15px;border-radius:999px;padding:14px 22px;font-weight:750;font-size:13px;border:1px solid var(--ink)}.primary{background:var(--ink);color:#fff}.primary:hover{background:var(--brand)}.secondary{background:#fff;color:var(--ink)}.wide{width:100%;justify-content:space-between;padding:17px 20px}.back{display:inline-block;color:var(--muted);font-size:13px;margin-bottom:35px}.panel{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px;box-shadow:var(--shadow)}.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-bottom:20px}.stats article{background:var(--ink);color:#fff;border-radius:20px;padding:24px}.stats b,.stats span{display:block}.stats b{font-size:34px}.stats span{font-size:11px;color:#aeb3bf;text-transform:uppercase;letter-spacing:.14em;margin-top:5px}.table-wrap{overflow:auto}table{border-collapse:collapse;width:100%;font-size:13px}th,td{text-align:left;padding:16px;border-bottom:1px solid var(--line);white-space:nowrap}th{color:var(--muted);font-size:10px;letter-spacing:.12em;text-transform:uppercase}.status{display:inline-block;padding:6px 10px;border-radius:99px;font-size:10px;font-weight:800;text-transform:uppercase;letter-spacing:.08em}.status.live{color:#16784b;background:#e6f7ef}.status.draft{color:#7b6440;background:#f6f0e6}.text-button{border:0;background:none;color:#7b3c3c;font-size:12px}.empty{text-align:center!important;color:var(--muted);padding:40px!important}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}.form-grid hr{grid-column:1/-1;border:0;border-top:1px solid var(--line);width:100%}.form-grid .full,.form-actions{grid-column:1/-1}.stack{display:flex;flex-direction:column;gap:20px}.stack h2{margin:0}label{display:flex;flex-direction:column;gap:8px;font-size:12px;font-weight:750}input,textarea,select{width:100%;border:1px solid #dfe1e5;background:#fafafa;border-radius:12px;padding:13px 14px;color:var(--ink);outline:none}input:focus,textarea:focus,select:focus{border-color:var(--brand);box-shadow:0 0 0 3px color-mix(in srgb,var(--brand) 12%,transparent)}textarea{resize:vertical;line-height:1.6}input[type=color]{height:47px;padding:5px}input[type=file]{font-size:12px}label small{color:var(--muted);font-weight:400}.toasts{position:fixed;z-index:100;right:20px;top:100px}.toast{background:var(--ink);color:#fff;padding:14px 18px;border-radius:12px;box-shadow:var(--shadow);font-size:13px}.toast.error{background:#9e3a3a}.toast.success{background:#16784b}

/* Loader reutiliza la identidad del sitio principal. */
.botlab-loader{position:fixed;inset:0;z-index:2500;display:grid;place-items:center;background:#fff;color:var(--ink);transition:opacity .65s ease,visibility .65s ease}.botlab-loader.is-hidden{opacity:0;visibility:hidden;pointer-events:none}.botlab-loader__wrap{position:relative;width:min(68vw,520px);height:min(68vw,520px)}.botlab-loader__ring{position:absolute;inset:12%;border:1px solid rgba(16,20,29,.08);border-radius:50%;animation:ring-in 1.1s cubic-bezier(.22,1,.36,1) both}.botlab-loader__orbit{position:absolute;inset:0;animation:spin 5.5s linear infinite}.botlab-loader svg{width:100%;height:100%;overflow:visible}.botlab-loader text{fill:var(--ink);font-size:clamp(15px,1.65vw,24px);font-weight:800;letter-spacing:.24em}.botlab-loader__center{position:absolute;left:50%;top:51%;transform:translate(-50%,-50%);text-align:center}.botlab-loader__center strong{display:block;font-size:clamp(18px,3vw,32px);letter-spacing:.12em}.botlab-loader__percent{display:block;margin-top:8px;font-size:12px;color:var(--muted)}@keyframes spin{to{transform:rotate(360deg)}}@keyframes ring-in{from{opacity:0;transform:scale(.78)}to{opacity:1;transform:scale(1)}}

/* Acceso */
.login-shell{min-height:100vh;display:grid;grid-template-columns:1.15fr .85fr;background:#fff}.login-art{position:relative;overflow:hidden;background:var(--ink);color:#fff;padding:8vw;display:flex;align-items:flex-end}.login-art:before{content:"";position:absolute;inset:0;background:radial-gradient(circle at 70% 25%,#394054 0,transparent 32%),linear-gradient(135deg,transparent 45%,rgba(255,255,255,.04) 45% 46%,transparent 46%)}.login-copy{position:relative;z-index:2;max-width:660px}.login-copy .eyebrow{color:#aeb3bf}.login-copy h1{font-size:clamp(52px,7vw,100px);font-weight:400;letter-spacing:-.06em;line-height:.88;margin:20px 0}.login-copy p{color:#b7bbc4}.orb{position:absolute;width:38vw;height:38vw;border:1px solid rgba(255,255,255,.16);border-radius:50%;top:-12vw;right:-10vw}.orb:after{content:"";position:absolute;inset:20%;border:1px solid rgba(255,255,255,.08);border-radius:50%}.login-panel{display:grid;place-items:center;padding:50px}.auth-card{width:min(420px,100%);display:flex;flex-direction:column;gap:24px}.login-logo{display:flex;align-items:center;gap:14px;margin-bottom:40px}.login-logo img{width:145px;height:54px;object-fit:contain}.login-logo b{font-size:14px;letter-spacing:.14em;color:var(--muted);font-weight:500}.auth-card h2{font-size:36px;letter-spacing:-.04em;margin:8px 0}.auth-card p{color:var(--muted);font-size:14px}.legal{text-align:center;color:var(--muted)}

/* Cursos */
.course-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}.course-card{background:#fff;border:1px solid var(--line);border-radius:22px;overflow:hidden;transition:transform .25s,box-shadow .25s}.course-card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}.course-cover{height:220px;background:var(--ink);display:grid;place-items:center;position:relative;overflow:hidden;color:#fff}.course-cover img{width:100%;height:100%;object-fit:cover}.course-cover span{font-size:60px;font-weight:300}.course-cover i{position:absolute;width:220px;height:220px;border:1px solid rgba(255,255,255,.14);border-radius:50%;right:-60px;top:-80px}.course-body{padding:22px}.course-meta{display:flex;justify-content:space-between;align-items:center;color:var(--muted);font-size:11px}.course-body h2{font-size:25px;letter-spacing:-.04em;margin:18px 0 10px}.course-body p{color:var(--muted);font-size:13px;line-height:1.5;min-height:40px}.course-body>small{color:var(--muted)}.progress{height:4px;background:#e9eaed;border-radius:9px;margin-top:22px;overflow:hidden}.progress i{display:block;height:100%;background:var(--brand)}.empty-card{grid-column:1/-1;border:1px dashed #cdd0d6;border-radius:22px;text-align:center;padding:80px 30px;color:var(--muted)}.empty-card span{font-size:40px}.empty-card h2{color:var(--ink)}.split{display:grid;grid-template-columns:330px 1fr;gap:22px;align-items:start}

/* Editor */
.editor{max-width:1000px}.editor-form{display:flex;flex-direction:column;gap:20px}.stage-list{display:flex;flex-direction:column;gap:14px}.stage{padding:0;overflow:hidden}.stage summary{list-style:none;cursor:pointer;display:flex;align-items:center;gap:18px;padding:24px}.stage summary::-webkit-details-marker{display:none}.stage summary>span{font-size:28px;font-weight:300;color:#a3a7b0}.stage summary div{display:flex;flex-direction:column;gap:4px}.stage summary small{color:var(--muted);font-size:9px;letter-spacing:.15em}.stage summary b{font-size:19px}.stage summary i{font-style:normal;margin-left:auto;font-size:24px;transition:transform .2s}.stage[open] summary i{transform:rotate(45deg)}.stage-fields{border-top:1px solid var(--line);padding:25px;display:grid;grid-template-columns:1fr 1fr;gap:20px}.stage-fields .full{grid-column:1/-1}.sticky-actions{position:sticky;bottom:20px;display:flex;justify-content:flex-end;gap:10px;background:rgba(255,255,255,.9);border:1px solid var(--line);border-radius:999px;padding:8px;align-self:flex-end;z-index:10;backdrop-filter:blur(12px)}.enroll{margin-top:50px}.enroll h2{margin-top:8px}.student-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px}.student-grid form{border:1px solid var(--line);border-radius:14px;padding:13px;display:flex;align-items:center;justify-content:space-between}.student-grid span,.student-grid small{display:block}.student-grid span{font-size:12px}.student-grid small{color:var(--muted);margin-top:3px}.student-grid button{border:1px solid var(--line);background:#fff;border-radius:99px;padding:8px 10px;font-size:11px}.student-grid button.checked{background:#e6f7ef;color:#16784b;border-color:#c9ebdb}

/* Alumno */
.learn{background:#fff;min-height:100vh}.learn-hero{padding:70px max(24px,calc((100vw - 1050px)/2));background:var(--ink);color:#fff}.learn-hero .back{color:#aeb3bf}.learn-hero .eyebrow{color:#aeb3bf}.learn-hero h1{font-size:clamp(48px,7vw,82px);font-weight:400;letter-spacing:-.06em;line-height:.95;margin:15px 0}.learn-hero>p{color:#b9bdc5;max-width:620px;line-height:1.6}.learn-nav{display:grid;grid-template-columns:repeat(4,1fr);margin-top:60px;border-top:1px solid #353945}.learn-nav a{padding:20px 10px 0 0;color:#b9bdc5;font-size:11px;text-transform:uppercase;letter-spacing:.1em}.learn-nav span{display:block;color:#fff;font-size:20px;margin-bottom:8px}.lesson-flow{width:min(980px,calc(100% - 48px));margin:0 auto;padding:80px 0}.lesson{display:grid;grid-template-columns:90px 1fr;min-height:390px}.lesson aside{display:flex;flex-direction:column;align-items:center;color:#a0a4ac}.lesson aside span{display:grid;place-items:center;width:52px;height:52px;border:1px solid var(--line);border-radius:50%;font-size:14px}.lesson aside i{width:1px;background:var(--line);flex:1}.lesson:last-child aside i{display:none}.lesson-content{padding:7px 0 90px 30px}.lesson-content h2{font-size:42px;letter-spacing:-.045em;margin:12px 0 25px}.richtext{color:#505661;line-height:1.8;max-width:760px}.resource{display:flex;align-items:center;gap:15px;border:1px solid var(--line);border-radius:15px;padding:15px;margin-top:20px;max-width:620px}.resource>span{display:grid;place-items:center;width:42px;height:42px;background:var(--paper);border-radius:50%}.resource div{flex:1}.resource b,.resource small{display:block}.resource small{color:var(--muted);margin-top:3px}.resource>i{font-style:normal}.complete{margin-top:26px;border:1px solid var(--ink);background:#fff;border-radius:99px;padding:12px 17px}.complete.done{background:#e6f7ef;color:#16784b;border-color:#c9ebdb}

@media(max-width:850px){.topbar{height:70px;padding:0 16px}.topbar nav{display:none}.account>span{display:none}.container{width:min(100% - 28px,1240px);padding:40px 0 80px}.page-head{align-items:flex-start;flex-direction:column}.page-head h1{font-size:46px}.stats,.course-grid{grid-template-columns:1fr}.split{grid-template-columns:1fr}.form-grid,.stage-fields,.student-grid{grid-template-columns:1fr}.form-grid .full,.form-actions,.stage-fields .full{grid-column:auto}.login-shell{grid-template-columns:1fr}.login-art{display:none}.login-panel{padding:28px;min-height:100vh}.login-logo{margin-bottom:20px}.course-cover{height:190px}.learn-hero{padding:45px 24px}.learn-nav{grid-template-columns:1fr 1fr;gap:20px}.lesson-flow{width:calc(100% - 28px);padding-top:50px}.lesson{grid-template-columns:54px 1fr}.lesson-content{padding-left:15px}.lesson-content h2{font-size:32px}.sticky-actions{bottom:10px;width:100%;justify-content:stretch;border-radius:18px}.sticky-actions button{flex:1}.botlab-loader__wrap{width:82vw;height:82vw}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important}.botlab-loader__orbit{animation:none}}
.library-head{margin-top:72px}.page-head>div+div{display:flex;gap:10px;flex-wrap:wrap}