/* aprende.solu7ec.com — estilos */
:root{--bg:#F4F6FB;--panel:#FFFFFF;--panel2:#F3F6FB;--ink:#0E1424;--mut:#4A5568;--soft:#6B7A95;--line:#DDE3EE;--fld:#FBFCFE;
--cy:#0891B2;--cyb:#22D3EE;--cyl:#E3F7FB;--or:#C2410C;--orb:#FF7A45;--orl:#FFF0E8;--dk:#0B0F1A;--dk2:#121A2B;--ok:#15803D;--bad:#B91C1C;
--r:14px;--shadow:0 1px 2px rgba(14,20,36,.05),0 8px 24px rgba(14,20,36,.06);color-scheme:light}
[data-theme=dark]{--bg:#0B0F1A;--panel:#121A2B;--panel2:#162036;--ink:#EEF2FF;--mut:#A9B4CC;--soft:#8592AD;--line:#243049;--fld:#0F1626;
--cy:#22D3EE;--cyl:rgba(34,211,238,.12);--or:#FF8A5C;--orl:rgba(255,122,69,.13);--ok:#4ADE80;--bad:#F87171;--shadow:0 1px 2px rgba(0,0,0,.3);color-scheme:dark}
*{box-sizing:border-box;margin:0;padding:0}
html{-webkit-text-size-adjust:100%}
body{font-family:Inter,ui-sans-serif,system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;background:var(--bg);color:var(--ink);font-size:16px;line-height:1.55;min-height:100vh}
a{color:var(--cy)}
.mono,.eyebrow,code{font-family:ui-monospace,"JetBrains Mono","DejaVu Sans Mono",Menlo,Consolas,monospace}
button,input,select,textarea{font:inherit;color:inherit}
img,svg,video{max-width:100%;height:auto}

/* barra superior */
.top{position:sticky;top:0;z-index:40;background:var(--bg);background:color-mix(in srgb,var(--bg) 88%,transparent);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.top-in{max-width:1180px;margin:0 auto;padding:12px 18px;display:flex;align-items:center;gap:14px}
.logo{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--ink);font-weight:800;letter-spacing:-.3px;font-size:18px}
.logo i{width:30px;height:30px;border-radius:9px;background:var(--dk);display:grid;place-items:center;font-style:normal;color:var(--cyb);font-family:ui-monospace,monospace;font-size:14px;border:1.5px solid var(--cyb)}
.logo b{color:var(--orb)}
.sp{flex:1}
.ibtn{border:1px solid var(--line);background:var(--panel);border-radius:10px;height:38px;min-width:38px;padding:0 12px;display:inline-flex;align-items:center;justify-content:center;gap:8px;cursor:pointer;text-decoration:none;color:var(--ink);font-size:14px;font-weight:600}
.ibtn:hover{border-color:var(--cy)}
.wrap{max-width:1180px;margin:0 auto;padding:26px 18px 80px}
.narrow{max-width:460px;margin:0 auto}

/* botones y formularios */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:0;border-radius:12px;padding:12px 20px;font-weight:700;cursor:pointer;text-decoration:none;background:var(--dk);color:#EEF2FF;font-size:15px}
[data-theme=dark] .btn{background:var(--cyb);color:#0B0F1A}
.btn.cyan{background:var(--cyb);color:#0B0F1A}.btn.orange{background:var(--orb);color:#0B0F1A}
.btn.ghost{background:transparent;color:var(--ink);border:1.5px solid var(--line)}
.btn.sm{padding:7px 12px;font-size:13px;border-radius:9px}
.btn.danger{background:transparent;color:var(--bad);border:1.5px solid color-mix(in srgb,var(--bad) 40%,transparent)}
.btn:disabled{opacity:.5;cursor:default}
.in,.fld,select.in,textarea.in{width:100%;border:1.5px solid var(--line);background:var(--fld);border-radius:10px;padding:11px 13px;font-size:15px;outline:none;transition:border-color .15s}
.in:focus,.fld:focus{border-color:var(--cy);box-shadow:0 0 0 3px var(--cyl)}
textarea.fld,textarea.in{resize:vertical;min-height:70px;line-height:1.45}
label.lbl,.lbl{display:block;font-size:13px;font-weight:700;color:var(--mut);margin:12px 0 5px}
.help{font-size:13px;color:var(--soft);margin-top:4px}
.alert{border-radius:12px;padding:12px 15px;margin-bottom:16px;font-size:14px;border:1px solid}
.alert.ok{background:color-mix(in srgb,var(--ok) 10%,transparent);border-color:color-mix(in srgb,var(--ok) 35%,transparent)}
.alert.err{background:color-mix(in srgb,var(--bad) 10%,transparent);border-color:color-mix(in srgb,var(--bad) 35%,transparent)}
.alert.info{background:var(--cyl);border-color:color-mix(in srgb,var(--cy) 35%,transparent)}

/* login */
.auth{min-height:calc(100vh - 64px);display:grid;place-items:center;padding:30px 16px;background:radial-gradient(600px 400px at 85% 10%,rgba(34,211,238,.14),transparent 70%),radial-gradient(500px 400px at 0% 100%,rgba(255,122,69,.12),transparent 70%)}
.auth-card{width:100%;max-width:420px;background:var(--panel);border:1px solid var(--line);border-radius:22px;padding:30px 26px;box-shadow:var(--shadow)}
.auth-card h1{font-size:28px;letter-spacing:-.8px;line-height:1.1;margin:6px 0 6px}
.auth-card h1 span{color:var(--cy)}

/* catálogo */
.hero{display:flex;flex-wrap:wrap;align-items:flex-end;gap:16px;margin-bottom:22px}
.hero h1{font-size:32px;letter-spacing:-1px;line-height:1.1}
.hero h1 span{color:var(--cy)}
.pgrid{display:grid;grid-template-columns:repeat(auto-fill,minmax(270px,1fr));gap:18px}
.pcard{background:var(--panel);border:1px solid var(--line);border-radius:18px;overflow:hidden;text-decoration:none;color:var(--ink);box-shadow:var(--shadow);display:flex;flex-direction:column;transition:transform .15s,border-color .15s}
.pcard:hover{transform:translateY(-2px);border-color:var(--cy)}
.pcard .cv{aspect-ratio:16/10;background:var(--dk);overflow:hidden}
.pcard .cv img{width:100%;height:100%;object-fit:cover;display:block}
.pcard .bd{padding:16px 18px 18px;display:flex;flex-direction:column;gap:8px;flex:1}
.pcard h3{font-size:18px;line-height:1.25;letter-spacing:-.3px}
.meta{font-size:13px;color:var(--soft)}
.bar{height:8px;background:var(--panel2);border-radius:99px;overflow:hidden;border:1px solid var(--line)}
.bar i{display:block;height:100%;background:linear-gradient(90deg,var(--cyb),var(--orb));border-radius:99px}
.tag{display:inline-block;font-family:ui-monospace,monospace;font-size:11px;font-weight:700;letter-spacing:1.5px;text-transform:uppercase;padding:3px 9px;border-radius:99px;background:var(--cyl);color:var(--cy)}
.tag.or{background:var(--orl);color:var(--or)}
.tag.gray{background:var(--panel2);color:var(--soft)}

/* producto */
.phead{display:grid;grid-template-columns:300px 1fr;gap:26px;align-items:center;margin-bottom:26px}
.phead img{width:100%;border-radius:16px;border:1px solid var(--line);aspect-ratio:16/10;object-fit:cover}
.phead h1{font-size:30px;letter-spacing:-.8px;line-height:1.12;margin:6px 0 8px}
.llist{background:var(--panel);border:1px solid var(--line);border-radius:18px;overflow:hidden}
.llist .sec{padding:12px 18px;font-family:ui-monospace,monospace;font-size:12px;font-weight:700;letter-spacing:1.5px;text-transform:uppercase;color:var(--cy);background:var(--panel2);border-top:1px solid var(--line)}
.llist .sec:first-child{border-top:0}
.litem{display:flex;align-items:center;gap:14px;padding:13px 18px;text-decoration:none;color:var(--ink);border-top:1px solid var(--line)}
.litem:hover{background:var(--panel2)}
.litem .n{width:30px;height:30px;border-radius:50%;display:grid;place-items:center;font-size:12px;font-weight:700;font-family:ui-monospace,monospace;background:var(--panel2);border:1.5px solid var(--line);flex:none}
.litem.done .n{background:var(--cyb);border-color:var(--cyb);color:#0B0F1A}
.litem .t{flex:1;font-weight:600}
.litem .k{font-size:12px;color:var(--soft)}

/* lección */
.lwrap{display:grid;grid-template-columns:290px minmax(0,1fr);gap:26px;align-items:start}
.side{position:sticky;top:78px;max-height:calc(100vh - 96px);overflow:auto;background:var(--panel);border:1px solid var(--line);border-radius:16px}
.side .ph{padding:14px 16px;border-bottom:1px solid var(--line);font-weight:800;font-size:14px;line-height:1.3}
.side a{display:flex;gap:10px;padding:9px 16px;text-decoration:none;color:var(--mut);font-size:13.5px;line-height:1.35;border-left:3px solid transparent}
.side a:hover{background:var(--panel2);color:var(--ink)}
.side a.cur{border-left-color:var(--cyb);background:var(--cyl);color:var(--ink);font-weight:700}
.side a .d{width:16px;flex:none;color:var(--cy)}
.side .sec{padding:12px 16px 4px;font-family:ui-monospace,monospace;font-size:10.5px;font-weight:700;letter-spacing:1.4px;text-transform:uppercase;color:var(--soft)}
.lesson{background:var(--panel);border:1px solid var(--line);border-radius:20px;padding:34px 36px;position:relative;box-shadow:var(--shadow);-webkit-user-select:none;user-select:none}
.lesson input,.lesson textarea{-webkit-user-select:text;user-select:text}
.lnav{display:flex;flex-wrap:wrap;gap:10px;align-items:center;margin-top:20px}
.saved{font-size:12.5px;color:var(--ok);opacity:0;transition:opacity .3s;font-weight:600}
.saved.on{opacity:1}
.wm{position:fixed;inset:0;pointer-events:none;z-index:30;background-repeat:repeat}
.drawer-btn{display:none}

/* contenido de guías (heredado del PDF) */
.lesson .eyebrow{font-size:12px;font-weight:700;letter-spacing:2.5px;text-transform:uppercase;color:var(--cy);margin-bottom:8px}
.lesson .eyebrow.or{color:var(--or)}
.lesson h2{font-size:30px;font-weight:800;letter-spacing:-.8px;line-height:1.12;margin-bottom:12px}
.lesson h2 span{color:var(--cy)}
.lesson h3{font-size:17px;font-weight:800;margin-bottom:5px;line-height:1.3}
.lesson h4{font-size:12.5px;font-weight:800;text-transform:uppercase;letter-spacing:1px;color:var(--mut);margin:22px 0 10px}
.lesson p{margin-bottom:9px}
.lesson .lead{font-size:17px;color:var(--mut);margin-bottom:18px}
.lesson .mut{color:var(--mut)}
.row{display:flex;flex-wrap:wrap;gap:14px}
.col{flex:1;min-width:200px}
.grid2,.grid3,.grid4{display:grid;gap:14px}
.grid2{grid-template-columns:repeat(2,minmax(0,1fr))}
.grid3{grid-template-columns:repeat(3,minmax(0,1fr))}
.grid4{grid-template-columns:repeat(4,minmax(0,1fr))}
.lesson .card{background:var(--panel2);border:1px solid var(--line);border-radius:14px;padding:16px 18px}
.lesson .card.cy{border-top:4px solid var(--cyb)}
.lesson .card.or{border-top:4px solid var(--orb)}
.lesson .card p,.lesson .card ul{font-size:14.5px;color:var(--mut)}
.lesson .card ul{margin-left:18px}
.lesson .card li{margin-bottom:3px}
.lesson .ic{width:36px;height:36px;border-radius:10px;background:var(--cyl);display:flex;align-items:center;justify-content:center;margin-bottom:8px}
.lesson .ic.or{background:var(--orl)}
.lesson .ic svg{width:20px;height:20px}
.tip,.warn{border-radius:10px;padding:12px 16px;font-size:14.5px;margin:14px 0}
.tip{background:var(--cyl);border-left:4px solid var(--cyb)}
.warn{background:var(--orl);border-left:4px solid var(--orb)}
.tip b:first-child{color:var(--cy)}.warn b:first-child{color:var(--or)}
.steps{list-style:none;counter-reset:s;margin:8px 0 12px}
.steps li{counter-increment:s;position:relative;padding-left:36px;margin-bottom:10px;font-size:15px}
.steps li::before{content:counter(s);position:absolute;left:0;top:0;width:24px;height:24px;border-radius:50%;background:var(--dk);color:var(--cyb);font-family:ui-monospace,monospace;font-size:12px;font-weight:700;display:flex;align-items:center;justify-content:center}
[data-theme=dark] .steps li::before{background:var(--cyb);color:#0B0F1A}
.task{border:2px dashed var(--orb);border-radius:16px;padding:16px 18px;background:var(--panel);margin-top:16px}
.task .tt{font-family:ui-monospace,monospace;font-size:12px;font-weight:700;letter-spacing:2px;color:var(--or);text-transform:uppercase;margin-bottom:8px}
label.ck{display:flex;gap:11px;align-items:flex-start;margin-bottom:9px;font-size:15px;cursor:pointer}
label.ck input,.cell-chk{width:20px;height:20px;accent-color:var(--cy);flex:none;margin-top:2px;cursor:pointer}
.lesson table{width:100%;border-collapse:collapse;font-size:14.5px;border-radius:12px;overflow:hidden;margin:6px 0}
.lesson th{background:var(--dk);color:#EEF2FF;text-align:left;padding:9px 11px;font-size:11.5px;letter-spacing:1px;text-transform:uppercase;font-family:ui-monospace,monospace}
.lesson td{padding:9px 11px;border-bottom:1px solid var(--line);vertical-align:top;background:var(--panel)}
.lesson tr:nth-child(even) td{background:var(--panel2)}
.tscroll{overflow-x:auto}
.pill{display:inline-block;font-family:ui-monospace,monospace;font-size:11.5px;font-weight:700;padding:3px 10px;border-radius:99px;background:var(--cyl);color:var(--cy)}
.pill.or{background:var(--orl);color:var(--or)}
.prompt{background:var(--dk2);color:#EEF2FF;border-radius:12px;padding:13px 15px;font-family:ui-monospace,monospace;font-size:13px;line-height:1.6;margin-bottom:10px;position:relative;-webkit-user-select:text;user-select:text}
[data-theme=dark] .prompt{border:1px solid var(--line)}
.prompt .k{color:var(--cyb);font-weight:700;font-size:11px;letter-spacing:1.5px;display:block;margin-bottom:6px;min-height:22px;padding-right:84px}
.lesson div[style*="display:flex"]{flex-wrap:wrap}
.prompt .copy{position:absolute;right:10px;top:10px;background:rgba(34,211,238,.15);color:#22D3EE;border:1px solid rgba(34,211,238,.4);border-radius:8px;font-size:12px;font-weight:700;padding:4px 10px;cursor:pointer;font-family:inherit}
.banner{background:var(--dk);color:#EEF2FF;border-radius:16px;padding:22px 24px;margin-bottom:22px;background-image:radial-gradient(400px 220px at 100% 0%,rgba(255,122,69,.25),transparent 70%)}
.banner-t{font-size:30px;font-weight:800;letter-spacing:-.8px;line-height:1.1;margin:4px 0 8px}
.banner-t span{color:#22D3EE}
.banner p{color:#A9B4CC}
.banner .eyebrow.or{color:#FF7A45}
.contact{display:block;text-decoration:none;color:#EEF2FF;border:1.5px solid rgba(34,211,238,.5);border-radius:12px;padding:11px 15px}
.contact small{display:block;font-family:ui-monospace,monospace;font-size:10.5px;letter-spacing:2px;color:#22D3EE}
.gloss{font-size:14.5px;color:var(--mut)}.gloss b{color:var(--ink)}
.q{margin-bottom:14px}.q .qt{font-weight:700;font-size:15px;margin-bottom:6px}
.q label.ck{font-size:14.5px;margin-bottom:5px;border-radius:8px;padding:3px 6px}
.q label.ck.right{background:color-mix(in srgb,var(--ok) 14%,transparent)}
.q label.ck.wrong{background:color-mix(in srgb,var(--bad) 14%,transparent)}
.quiz-bar{display:flex;flex-wrap:wrap;gap:14px;align-items:center;margin:14px 0}
.quiz-res{font-weight:800;font-size:17px}

/* video */
.vbox{position:relative;border-radius:14px;overflow:hidden;background:#000;aspect-ratio:16/9}
.vbox video,.vbox iframe{position:absolute;inset:0;width:100%;height:100%;border:0}
.vwm{position:absolute;z-index:3;pointer-events:none;font:700 13px/1.2 Arial,sans-serif;color:rgba(255,255,255,.35);text-shadow:0 1px 2px rgba(0,0,0,.5);transition:left 1.2s,top 1.2s;white-space:nowrap}

/* tablas admin y general */
.tbl{width:100%;border-collapse:collapse;font-size:14px;background:var(--panel);border:1px solid var(--line);border-radius:14px;overflow:hidden}
.tbl th{text-align:left;font-size:11.5px;letter-spacing:1px;text-transform:uppercase;color:var(--soft);padding:10px 12px;border-bottom:1px solid var(--line);background:var(--panel2);font-family:ui-monospace,monospace}
.tbl td{padding:10px 12px;border-bottom:1px solid var(--line);vertical-align:middle}
.tbl tr:last-child td{border-bottom:0}
.box{background:var(--panel);border:1px solid var(--line);border-radius:16px;padding:20px;box-shadow:var(--shadow);margin-bottom:18px}
.box h2{font-size:18px;letter-spacing:-.3px;margin-bottom:12px}
.kpis{display:grid;grid-template-columns:repeat(auto-fit,minmax(170px,1fr));gap:14px;margin-bottom:18px}
.kpi{background:var(--panel);border:1px solid var(--line);border-radius:16px;padding:16px 18px}
.kpi b{display:block;font-size:30px;letter-spacing:-1px;font-family:ui-monospace,monospace}
.kpi span{font-size:13px;color:var(--soft)}
.tabs{display:flex;gap:6px;flex-wrap:wrap;margin-bottom:20px}
.tabs a{padding:8px 14px;border-radius:10px;text-decoration:none;color:var(--mut);font-weight:600;font-size:14px;border:1px solid transparent}
.tabs a.on{background:var(--panel);border-color:var(--line);color:var(--ink)}
.tabs a .badge{background:var(--orb);color:#0B0F1A;border-radius:99px;padding:0 7px;font-size:12px;margin-left:4px}
.inline{display:inline}
.flex{display:flex;gap:10px;flex-wrap:wrap;align-items:center}
.right{text-align:right}

@media print{body *{visibility:hidden}body::after{content:"Contenido protegido de Solu7ec";visibility:visible;position:fixed;top:40%;left:0;right:0;text-align:center;font:700 22px Arial}}
@media (max-width:900px){
 .lwrap{grid-template-columns:1fr}
 .side{position:fixed;top:0;left:0;bottom:0;width:86%;max-width:330px;max-height:none;border-radius:0 16px 16px 0;z-index:60;transform:translateX(-105%);transition:transform .25s}
 .side.open{transform:none;box-shadow:0 0 0 100vmax rgba(0,0,0,.45)}
 .drawer-btn{display:inline-flex}
 .phead{grid-template-columns:1fr}
}
@media (max-width:640px){
 .grid2,.grid3,.grid4{grid-template-columns:1fr}
 .lesson{padding:22px 18px;border-radius:16px}
 .lesson h2{font-size:25px}
 .hero h1{font-size:26px}
 .wrap{padding:18px 12px 70px}
 .lesson table{font-size:13px}
 .hide-sm{display:none}
}

/* ===== Fase 3: reglas de avance, cuestionarios y examen ===== */
.req-star{color:#E11D48;font-style:normal;font-weight:800}
.lesson .miss{outline:2px solid #E11D48;outline-offset:3px;border-radius:8px;background:rgba(225,29,72,.06)}
.reqbox{margin:18px 0 0;padding:14px 16px;border:1px solid var(--line,#CBD5E1);border-radius:14px;background:var(--panel,#fff)}
.reqbox ul{margin:8px 0 0;padding-left:0;list-style:none}
.reqbox li{padding:4px 0 4px 26px;position:relative;font-size:14.5px}
.reqbox li::before{content:'○';position:absolute;left:4px;color:#94A3B8;font-weight:800}
.reqbox li.ok{color:#0F766E}.reqbox li.ok::before{content:'✓';color:#0F766E}
.btn.wait{opacity:.7;cursor:not-allowed}
.quizbox{margin-top:28px;padding:20px;border:2px solid #22D3EE;border-radius:18px;background:rgba(34,211,238,.06)}
.quizbox.exam{border-color:#FF7A45;background:rgba(255,122,69,.06)}
.quizbox h3{font-size:19px;margin:0 0 6px}
.quizbox .pend{margin:8px 0 14px 18px}.quizbox .pend li{margin:3px 0}
.qform{margin-top:14px}
.qq{border:0;margin:0 0 16px;padding:14px;border-radius:14px;background:var(--panel,#fff);box-shadow:0 1px 0 rgba(15,23,42,.06)}
.qq legend{font-weight:700;font-size:15.5px;margin-bottom:8px;display:flex;gap:10px;align-items:flex-start;float:left;width:100%}
.qq legend+*{clear:both}
.qn{flex:none;width:26px;height:26px;border-radius:50%;display:grid;place-items:center;background:#0B0F1A;color:#22D3EE;font-size:13px}
.qq label.ck{margin:6px 0;padding:10px 12px;border:1px solid var(--line,#E2E8F0);border-radius:10px;cursor:pointer}
.qq label.ck.right{border-color:#0F766E;background:rgba(15,118,110,.1)}
.qq label.ck.wrong{border-color:#E11D48;background:rgba(225,29,72,.08)}
.qexp{font-size:13.5px;margin:8px 2px 0;color:var(--mut,#475569)}
.qfoot{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap}
.qresult{margin-top:14px;padding:14px 16px;border-radius:14px;line-height:1.6}
.qresult.pass{background:rgba(15,118,110,.12)}.qresult.fail{background:rgba(225,29,72,.1)}
.qresult .btn{margin-top:8px}
.litem.locked,.side a.locked{opacity:.55}
.cert-box{border:2px solid #22D3EE}
.toast{position:fixed;left:50%;bottom:22px;transform:translate(-50%,30px);opacity:0;transition:.25s;z-index:99;max-width:min(92vw,520px);background:#0B0F1A;color:#fff;padding:12px 16px;border-radius:12px;font-size:14px;box-shadow:0 10px 30px rgba(0,0,0,.3)}
.toast.on{opacity:1;transform:translate(-50%,0)}