/* AUTORITAS Campus */
:root{
  --navy:#001244;--navy-2:#0b2163;--gold:#e3b14c;--gold-ink:#8a6410;--gold-soft:#fbf3e0;
  --bg:#f4f6fa;--card:#fff;--ink:#16213a;--muted:#5d6980;--line:#e3e7ee;--soft:#eef1f6;
  --ok:#146c4b;--ok-soft:#e6f4ed;--bad:#b3261e;--bad-soft:#fdecea;--warn:#8a5a00;--warn-soft:#fff5dc;--info:#1d4ed8;--info-soft:#e8effd;
  --primary:var(--navy);--primary-ink:#fff;--heading:var(--navy);
  --shadow:0 1px 2px rgba(0,18,68,.05),0 8px 24px rgba(0,18,68,.06);
  --r:12px;
}
:root[data-theme=dark]{
  --bg:#0a1122;--card:#131c31;--ink:#e9eef8;--muted:#9aa7bf;--line:#26324a;--soft:#1b2640;
  --gold-ink:#e3b14c;--gold-soft:#2b2412;
  --ok:#5fd0a1;--ok-soft:#10301f;--bad:#ff8a80;--bad-soft:#3a1614;--warn:#f0c264;--warn-soft:#33280d;--info:#8fb4ff;--info-soft:#142447;
  --primary:var(--gold);--primary-ink:#001244;--heading:#fff;
  --shadow:0 1px 2px rgba(0,0,0,.3),0 8px 24px rgba(0,0,0,.25);
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--ink);font:15px/1.55 Montserrat,ui-sans-serif,system-ui,-apple-system,"Segoe UI",Roboto,sans-serif}
h1,h2,h3{color:var(--heading);margin:0;line-height:1.25;text-wrap:balance}
h1{font-size:26px;font-weight:700}h2{font-size:17px;font-weight:700}h3{font-size:15px;font-weight:700}
p{margin:0}a{color:inherit}
.muted{color:var(--muted)}.small{font-size:13px}.tiny{font-size:12px}
.hidden{display:none!important}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
:focus-visible{outline:3px solid var(--gold);outline-offset:2px;border-radius:6px}
button{font:inherit;color:inherit}
svg.ic{width:18px;height:18px;flex:none;stroke:currentColor;fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}

/* ---------- Marca ---------- */
.brand{display:flex;align-items:center;gap:11px;text-decoration:none}
.brand .mark{width:38px;height:38px;border-radius:10px;background:#fff;display:grid;place-items:center;flex:none;overflow:hidden}
.brand .mark img{width:30px;height:30px;object-fit:contain;display:block}
.brand .word{font-weight:800;letter-spacing:.14em;font-size:15px;color:#fff;line-height:1.1}
.brand .word small{display:block;font-weight:500;letter-spacing:.08em;font-size:10px;color:#aab6d3;margin-top:3px;text-transform:uppercase}

/* ---------- Botones ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:1px solid transparent;border-radius:9px;padding:10px 16px;background:var(--primary);color:var(--primary-ink);font-weight:600;font-size:14px;cursor:pointer;text-decoration:none;white-space:nowrap;min-height:40px}
.btn:hover{filter:brightness(1.12)}
.btn[disabled]{opacity:.5;cursor:not-allowed;filter:none}
.btn.gold{background:var(--gold);color:#001244}
.btn.ghost{background:var(--card);border-color:var(--line);color:var(--ink)}
.btn.ghost:hover{background:var(--soft);filter:none}
.btn.danger{background:var(--bad);color:#fff}
:root[data-theme=dark] .btn.danger{color:#2a0a08}
.btn.sm{padding:6px 11px;font-size:13px;min-height:32px;border-radius:8px}
.btn.block{width:100%}
.linkbtn{background:none;border:0;padding:0;color:var(--gold-ink);font-weight:600;cursor:pointer;text-decoration:underline;text-underline-offset:3px}
.iconbtn{width:40px;height:40px;border-radius:10px;border:1px solid var(--line);background:var(--card);display:grid;place-items:center;cursor:pointer;color:var(--ink)}
.iconbtn:hover{background:var(--soft)}

/* ---------- Acceso ---------- */
.auth{min-height:100vh;display:grid;grid-template-columns:minmax(0,1.25fr) minmax(0,.75fr)}
.auth-hero{position:relative;color:#fff;padding:44px clamp(28px,5vw,72px);display:flex;flex-direction:column;justify-content:space-between;background:#001244 url("../Portada%20Campus.png") right center/cover no-repeat;isolation:isolate;overflow:hidden}
.auth-hero::before{content:"";position:absolute;inset:0;z-index:-1;background:linear-gradient(95deg,rgba(0,18,68,.95) 0%,rgba(0,18,68,.8) 40%,rgba(0,18,68,.18) 100%),linear-gradient(0deg,rgba(0,18,68,.7),rgba(0,18,68,0) 28%)}
.auth-hero .rule{width:44px;height:3px;background:var(--gold);border-radius:3px;margin-bottom:20px}
.auth-hero h1{color:#fff;font-size:clamp(28px,3.4vw,44px);font-weight:700;max-width:15em}
.auth-hero p.lead{color:#d3dbec;font-size:16px;max-width:30em;margin-top:14px}
.auth-points{list-style:none;padding:0;margin:26px 0 0;display:grid;gap:10px;color:#e6ebf6;font-size:14px}
.auth-points li{display:flex;gap:10px;align-items:center}
.auth-points svg{color:var(--gold)}
.auth-foot{font-size:12px;color:#aab6d3}
.auth-panel{display:grid;place-items:center;padding:32px 20px;position:relative}
.auth-box{width:min(420px,100%);background:var(--card);border:1px solid var(--line);border-radius:16px;padding:32px;box-shadow:var(--shadow)}
.auth-box h2{font-size:23px;margin-bottom:4px}
.auth-box .mobile-brand{display:none;margin-bottom:22px}
.auth-tools{position:absolute;top:18px;right:18px}
.auth-switch{text-align:center;font-size:14px;color:var(--muted);margin-top:18px}
@media(max-width:820px){
  .auth{grid-template-columns:1fr}.auth-hero{display:none}
  .auth-panel{min-height:100vh;background:linear-gradient(rgba(0,18,68,.9),rgba(0,18,68,.94)),#001244 url("../Portada%20Campus.png") right center/cover no-repeat}
  .auth-box .mobile-brand{display:flex}.auth-box .mobile-brand .word{color:var(--heading)}.auth-box .mobile-brand .word small{color:var(--muted)}
  .auth-box .mobile-brand .mark{border:1px solid var(--line)}
  .auth-box{padding:26px 22px}
}

/* ---------- Estructura ---------- */
.shell{display:flex;min-height:100vh}
.side{width:244px;background:var(--navy);color:#fff;padding:22px 14px;display:flex;flex-direction:column;position:fixed;inset:0 auto 0 0;overflow-y:auto;z-index:20}
:root[data-theme=dark] .side{background:#060d1f;border-right:1px solid var(--line)}
.side .brand{padding:0 8px 22px}
.navlabel{color:#8494b8;font-size:10.5px;font-weight:700;letter-spacing:.14em;padding:16px 12px 6px;text-transform:uppercase}
.nav a{display:flex;align-items:center;gap:11px;border-radius:9px;color:#c9d2e6;padding:10px 12px;text-decoration:none;font-size:14px;font-weight:500;margin:1px 0}
.nav a:hover{background:rgba(255,255,255,.08);color:#fff}
.nav a[aria-current=page]{background:rgba(255,255,255,.1);color:#fff;box-shadow:inset 3px 0 var(--gold)}
.nav a .count{margin-left:auto;background:var(--gold);color:#001244;border-radius:20px;font-size:11px;font-weight:700;padding:1px 8px}
.side-foot{margin-top:auto;border-top:1px solid rgba(255,255,255,.14);padding:14px 8px 0;display:flex;align-items:center;gap:10px}
.avatar{width:34px;height:34px;border-radius:50%;background:var(--gold);color:#001244;display:grid;place-items:center;font-weight:800;font-size:13px;flex:none}
.side-foot b{display:block;font-size:13px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:130px}
.side-foot small{color:#aab6d3;font-size:11.5px}
.main{margin-left:244px;flex:1;min-width:0;display:flex;flex-direction:column}
.top{height:64px;background:var(--card);border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;gap:12px;padding:0 32px;position:sticky;top:0;z-index:10}
.top .crumb{font-size:13px;color:var(--muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.top .crumb b{color:var(--ink)}
.top-actions{display:flex;gap:10px;align-items:center}
.menu-btn{display:none}
.content{width:100%;max-width:1180px;margin:0 auto;padding:30px 32px 70px}
.scrim{display:none}
@media(max-width:900px){
  .side{transform:translateX(-100%);transition:transform .2s;width:264px}
  body.nav-open .side{transform:none}
  body.nav-open .scrim{display:block;position:fixed;inset:0;background:rgba(0,10,40,.5);z-index:15}
  .main{margin-left:0}.menu-btn{display:grid}
  .top{padding:0 14px;height:58px}.content{padding:22px 14px 60px}
  h1{font-size:22px}
}
@media(prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important}}

/* ---------- Componentes ---------- */
.pagehead{display:flex;justify-content:space-between;align-items:flex-end;gap:16px;margin-bottom:22px;flex-wrap:wrap}
.pagehead p{color:var(--muted);margin-top:4px}
.eyebrow{font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--gold-ink);font-weight:700;margin-bottom:4px}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:20px}
.card+.card{margin-top:16px}
.cardhead{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-bottom:14px;flex-wrap:wrap}
.grid{display:grid;gap:16px}
.g4{grid-template-columns:repeat(4,minmax(0,1fr))}.g3{grid-template-columns:repeat(3,minmax(0,1fr))}.g2{grid-template-columns:repeat(2,minmax(0,1fr))}
.g21{grid-template-columns:minmax(0,1.5fr) minmax(0,1fr)}
.grid>.card+.card{margin-top:0}
@media(max-width:1000px){.g4{grid-template-columns:repeat(2,minmax(0,1fr))}.g21,.g3{grid-template-columns:1fr}}
@media(max-width:600px){.g2{grid-template-columns:1fr}.g4{gap:10px}}
.stat small{color:var(--muted);font-weight:600;font-size:12.5px;display:block}
.stat strong{display:block;font-size:28px;font-weight:700;color:var(--heading);margin-top:4px;font-variant-numeric:tabular-nums;line-height:1.2}
.stat span{font-size:12px;color:var(--muted)}
.mt{margin-top:16px}.mt-s{margin-top:8px}.mt-l{margin-top:26px}
.row{display:flex;justify-content:space-between;align-items:center;gap:12px;padding:11px 0;border-bottom:1px solid var(--line)}
.row:last-child{border:0;padding-bottom:0}.row:first-child{padding-top:0}
.row b{font-size:14px;font-weight:600}.row small{display:block;color:var(--muted);font-size:12.5px}
.row>div:first-child{min-width:0}
.actions{display:flex;gap:8px;flex-wrap:wrap;align-items:center}
.progress{height:8px;background:var(--soft);border-radius:8px;overflow:hidden}
.progress>span{display:block;height:100%;background:var(--gold);border-radius:8px;transition:width .25s}
.tag{display:inline-flex;align-items:center;gap:6px;border-radius:30px;padding:3px 10px;font-size:12px;font-weight:600;background:var(--soft);color:var(--ink);white-space:nowrap}
.tag::before{content:"";width:7px;height:7px;border-radius:50%;background:currentColor;opacity:.75}
.tag.plain::before{display:none}
.tag.ok{background:var(--ok-soft);color:var(--ok)}.tag.bad{background:var(--bad-soft);color:var(--bad)}
.tag.warn{background:var(--warn-soft);color:var(--warn)}.tag.info{background:var(--info-soft);color:var(--info)}
.tag.gold{background:var(--gold-soft);color:var(--gold-ink)}
.notice{border-radius:10px;padding:13px 15px;background:var(--info-soft);color:var(--ink);font-size:14px;display:flex;gap:11px;align-items:flex-start;border:1px solid transparent}
.notice svg{margin-top:2px;color:var(--info)}
.notice.warn{background:var(--warn-soft)}.notice.warn svg{color:var(--warn)}
.notice.bad{background:var(--bad-soft)}.notice.bad svg{color:var(--bad)}
.notice.ok{background:var(--ok-soft)}.notice.ok svg{color:var(--ok)}
.notice b{font-weight:700}
.empty{text-align:center;padding:38px 18px;color:var(--muted)}
.empty svg{width:34px;height:34px;color:var(--gold-ink);margin-bottom:8px}
.empty h3{margin-bottom:4px}
.empty .btn{margin-top:14px}
.ad{margin-top:16px;border:1px dashed var(--line);background:var(--card);border-radius:var(--r);padding:14px 18px;display:flex;justify-content:space-between;align-items:center;gap:14px;flex-wrap:wrap}
.ad .lbl{font-size:10.5px;letter-spacing:.14em;text-transform:uppercase;color:var(--muted);font-weight:700}
.ad b{display:block;font-size:14px}.ad p{font-size:13px;color:var(--muted)}

/* Formularios */
.field{margin-bottom:14px}
.field label,.lbl-like{display:block;font-size:13px;font-weight:600;margin-bottom:6px}
.field .hint{font-size:12.5px;color:var(--muted);margin-top:5px}
input[type=text],input[type=email],input[type=password],input[type=number],input[type=url],input[type=search],select,textarea{width:100%;border:1px solid var(--line);border-radius:9px;padding:10px 12px;background:var(--card);color:var(--ink);font:inherit;min-height:42px}
textarea{min-height:92px;resize:vertical}
input:focus,select:focus,textarea:focus{outline:3px solid var(--gold);outline-offset:0;border-color:var(--gold)}
.formgrid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 16px}
@media(max-width:600px){.formgrid{grid-template-columns:1fr}}
.check{display:flex;gap:10px;align-items:flex-start;font-size:14px;cursor:pointer}
.check input{width:18px;height:18px;margin-top:2px;accent-color:var(--navy);flex:none}
:root[data-theme=dark] .check input{accent-color:var(--gold)}
.err{color:var(--bad);font-size:13.5px;font-weight:600;margin:10px 0;display:flex;gap:8px;align-items:flex-start}
.opt-row{display:grid;grid-template-columns:auto 1fr;gap:10px;align-items:center;margin-bottom:8px}
.opt-row label.radio{display:flex;align-items:center;gap:7px;font-weight:700;font-size:13px;margin:0;cursor:pointer;min-width:44px}
.opt-row input[type=radio]{width:18px;height:18px;accent-color:var(--ok)}

/* Pestañas y tablas */
.tabs{display:flex;gap:6px;flex-wrap:wrap;margin-bottom:14px}
.tabs button{border:1px solid var(--line);background:var(--card);color:var(--muted);border-radius:30px;padding:7px 14px;cursor:pointer;font-size:13px;font-weight:600}
.tabs button[aria-selected=true]{background:var(--primary);color:var(--primary-ink);border-color:var(--primary)}
.toolbar{display:flex;gap:10px;flex-wrap:wrap;align-items:center;margin-bottom:14px}
.toolbar>*{flex:0 1 auto}.toolbar input[type=search]{flex:1 1 200px;width:auto}.toolbar select{width:auto;max-width:240px}
.table-wrap{overflow-x:auto;margin:0 -20px;padding:0 20px}
table{width:100%;border-collapse:collapse;font-size:14px}
th,td{text-align:left;padding:11px 10px;border-bottom:1px solid var(--line);vertical-align:top}
th{color:var(--muted);font-weight:600;font-size:12.5px;white-space:nowrap}
tr:last-child td{border-bottom:0}
td.num,th.num{text-align:right;font-variant-numeric:tabular-nums;white-space:nowrap}
td .qtext{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;max-width:520px}
.pager{display:flex;justify-content:space-between;align-items:center;gap:10px;margin-top:14px;font-size:13px;color:var(--muted)}
.bar{height:8px;border-radius:8px;background:var(--soft);min-width:90px;overflow:hidden}
.bar>span{display:block;height:100%;background:var(--navy-2);border-radius:8px}
:root[data-theme=dark] .bar>span{background:var(--gold)}

/* ---------- Test ---------- */
.quiz{display:grid;grid-template-columns:minmax(0,1fr) 250px;gap:16px;align-items:start}
@media(max-width:1000px){.quiz{grid-template-columns:1fr}}
.quiz-head{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-bottom:12px;font-size:13px;color:var(--muted);flex-wrap:wrap}
.timer{font-variant-numeric:tabular-nums;font-weight:700;color:var(--ink);display:inline-flex;gap:7px;align-items:center;border:1px solid var(--line);border-radius:30px;padding:5px 12px;background:var(--card)}
.timer.low{color:var(--bad);border-color:var(--bad)}
.question{font-size:18px;font-weight:600;color:var(--heading);margin:18px 0 16px;line-height:1.45}
.choice{display:flex;gap:12px;align-items:flex-start;width:100%;text-align:left;padding:13px 14px;border:1.5px solid var(--line);border-radius:10px;margin-top:10px;cursor:pointer;background:var(--card);font-size:15px}
.choice:hover{border-color:var(--gold)}
.choice .key{width:26px;height:26px;border-radius:50%;border:1.5px solid var(--line);display:grid;place-items:center;font-weight:700;font-size:12.5px;flex:none;color:var(--muted)}
.choice[aria-checked=true]{border-color:var(--gold);background:var(--gold-soft)}
.choice[aria-checked=true] .key{background:var(--gold);border-color:var(--gold);color:#001244}
.quiz-nav{display:flex;justify-content:space-between;gap:10px;margin-top:22px;flex-wrap:wrap}
.qmap{display:grid;grid-template-columns:repeat(auto-fill,minmax(36px,1fr));gap:6px}
.qmap button{height:34px;border-radius:8px;border:1px solid var(--line);background:var(--card);cursor:pointer;font-size:12.5px;font-weight:600;color:var(--muted);position:relative}
.qmap button.done{background:var(--soft);color:var(--ink);border-color:transparent}
.qmap button.cur{border:2px solid var(--primary);color:var(--ink)}
.qmap button.flag::after{content:"";position:absolute;top:3px;right:3px;width:7px;height:7px;border-radius:50%;background:var(--gold)}
.legend{display:flex;gap:12px;flex-wrap:wrap;font-size:12px;color:var(--muted);margin-top:12px}
.legend i{display:inline-block;width:10px;height:10px;border-radius:3px;margin-right:5px;vertical-align:-1px;border:1px solid var(--line)}
.review-q{padding:18px 0;border-bottom:1px solid var(--line)}
.review-q:last-child{border:0;padding-bottom:0}
.review-q .qhead{display:flex;justify-content:space-between;gap:10px;align-items:flex-start;flex-wrap:wrap}
.review-q .qt{font-weight:600;margin:8px 0 10px;color:var(--heading)}
.ropt{display:flex;gap:10px;padding:8px 11px;border-radius:9px;font-size:14.5px;margin-top:5px;border:1px solid transparent;align-items:flex-start}
.ropt .mk{flex:none;width:20px;font-weight:700}
.ropt.right{background:var(--ok-soft);color:var(--ok);border-color:currentColor;font-weight:600}
.ropt.wrong{background:var(--bad-soft);color:var(--bad);border-color:currentColor}
.ropt .why{font-size:12px;font-weight:700;margin-left:auto;white-space:nowrap;padding-left:8px}
.explain{margin-top:10px;background:var(--soft);border-radius:9px;padding:10px 13px;font-size:14px}
.explain b{color:var(--heading)}
.score-big{font-size:44px;font-weight:800;color:var(--heading);line-height:1;font-variant-numeric:tabular-nums}

/* ---------- Modal y avisos ---------- */
.modal-bg{position:fixed;inset:0;background:rgba(0,10,40,.55);z-index:50;display:grid;place-items:center;padding:16px;overflow-y:auto}
.modal{background:var(--card);border:1px solid var(--line);border-radius:14px;width:min(520px,100%);padding:24px;box-shadow:0 20px 60px rgba(0,0,0,.3);max-height:calc(100vh - 32px);overflow-y:auto}
.modal.wide{width:min(760px,100%)}
.modal h2{margin-bottom:8px;font-size:19px}
.modal .foot{display:flex;justify-content:flex-end;gap:10px;margin-top:20px;flex-wrap:wrap}
#toasts{position:fixed;right:18px;bottom:18px;z-index:60;display:grid;gap:8px;max-width:min(380px,calc(100vw - 36px))}
.toast{background:var(--navy);color:#fff;border-radius:10px;padding:12px 15px;font-size:14px;box-shadow:var(--shadow);display:flex;gap:10px;align-items:flex-start;border-left:4px solid var(--gold)}
.toast.bad{border-left-color:#ff8a80}
.loading{padding:60px 0;text-align:center;color:var(--muted)}
.spinner{width:26px;height:26px;border:3px solid var(--line);border-top-color:var(--gold);border-radius:50%;animation:spin .8s linear infinite;margin:0 auto 10px}
@keyframes spin{to{transform:rotate(360deg)}}
code.k{background:var(--soft);border-radius:6px;padding:2px 7px;font-size:13px}
pre.sample{background:var(--soft);border-radius:9px;padding:11px 13px;font-size:12.5px;overflow-x:auto;margin:8px 0 0;white-space:pre-wrap;word-break:break-word}