:root{--bg:#f4f6fc;--card:#fff;--ink:#17223b;--muted:#78849d;--line:#e6ebf4;--blue:#526dff;--navy:#111b34;--mint:#18a77e}
*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font:14px/1.5 Inter,system-ui,sans-serif}button,input,textarea,select{font:inherit}button{cursor:pointer}
.app{min-height:100vh;display:grid;grid-template-columns:235px 1fr}.side{background:var(--navy);color:white;padding:22px 15px;display:flex;flex-direction:column;gap:26px}.brand{font-size:19px;font-weight:850;padding:0 8px}.brand span{display:inline-grid;place-items:center;background:linear-gradient(135deg,#91a4ff,#526dff);width:37px;height:37px;border-radius:12px;margin-right:8px}.brand small{display:block;color:#93a3c6;font-size:9px;letter-spacing:1.5px;margin-left:49px;margin-top:-9px}.nav{display:grid;gap:5px}.nav button{border:0;background:none;color:#b9c5dc;text-align:left;padding:11px;border-radius:10px;font-size:12px}.nav button.active,.nav button:hover{background:#28395d;color:white}.sidefoot{margin-top:auto;color:#9eafd0;font-size:10px;padding:10px}
main{padding:27px 32px;max-width:1450px;width:100%;margin:auto}.top{display:flex;justify-content:space-between;align-items:center;margin-bottom:20px}.top h1{font-size:24px;margin:3px 0}.muted{color:var(--muted);font-size:11px}.pill{background:#edf0ff;color:#4b60df;border-radius:30px;padding:5px 9px;font-size:9px;font-weight:750}
.view{display:none}.view.active{display:block}.hero{background:linear-gradient(110deg,#202f68,#526dff 65%,#9876f5);color:white;border-radius:20px;padding:27px 30px;display:flex;justify-content:space-between;align-items:center;min-height:160px;position:relative;overflow:hidden}.hero h2{font-size:27px;letter-spacing:-1px;margin:6px 0}.hero p{color:#e0e6ff;font-size:12px;margin:0}.heroBadge{background:#ffffff20;border:1px solid #ffffff40;border-radius:13px;padding:12px;z-index:1;font-size:11px}.heroBadge b{display:block;font-size:22px}
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin:14px 0}.card,.panel{background:var(--card);border:1px solid var(--line);border-radius:15px;box-shadow:0 10px 30px #172b5409}.card{padding:14px}.card small{color:var(--muted);font-size:10px}.card strong{display:block;font-size:25px;margin:6px 0}.layout{display:grid;grid-template-columns:1.1fr .9fr;gap:13px}.panel{padding:17px}.panelhead{display:flex;justify-content:space-between;align-items:center;margin-bottom:12px}.panel h3{font-size:14px;margin:0}.btn{background:var(--blue);color:white;border:0;border-radius:9px;padding:9px 13px;font-size:10px;font-weight:750}.btn.soft{background:#edf0ff;color:#4a60dd}.task{display:flex;align-items:center;gap:10px;padding:10px 0;border-bottom:1px solid var(--line)}.task:last-child{border:0}.check{border:1px solid #cbd4e5;border-radius:6px;background:white;width:19px;height:19px;color:white}.check.done{background:var(--mint);border-color:var(--mint)}.tasktext{flex:1}.tasktext b{display:block;font-size:11px}.tasktext small{font-size:9px;color:var(--muted)}.featuregrid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:13px}.feature{padding:15px}.feature .emoji{font-size:22px}.feature h3{font-size:12px;margin:7px 0 3px}.feature p{font-size:10px;color:var(--muted);margin:0 0 10px}
.intro{display:flex;justify-content:space-between;align-items:end;margin-bottom:15px}.intro h2{margin:0;font-size:21px}.toolbar{display:flex;gap:8px;margin-bottom:12px}.toolbar input,.toolbar select,.field input,.field textarea{border:1px solid var(--line);border-radius:9px;padding:10px;background:white;color:var(--ink)}.toolbar input{flex:1}.tbl{width:100%;border-collapse:collapse}.tbl th,.tbl td{text-align:left;padding:10px;border-bottom:1px solid var(--line);font-size:10px}.tbl th{color:var(--muted);font-size:9px}.tablewrap{overflow:auto}.resources{display:grid;grid-template-columns:repeat(4,1fr);gap:11px}.resource{padding:15px}.resource h3{font-size:12px;margin:6px 0}.resource p{font-size:10px;color:var(--muted)}.field{display:grid;gap:5px;margin-bottom:12px}.field label{font-size:10px;font-weight:700}.field input,.field textarea{width:100%}.field textarea{min-height:85px}.timer{text-align:center;padding:25px}.clock{font-size:72px;font-weight:850;color:var(--blue);letter-spacing:-4px;margin:15px}.bar{height:8px;background:#edf0f8;border-radius:20px;overflow:hidden;margin:15px}.bar span{display:block;height:100%;background:linear-gradient(90deg,#526dff,#9b79f5);width:0}.chat{height:300px;overflow:auto;background:#f8f9ff;border-radius:12px;padding:12px;margin-bottom:10px}.bubble{padding:10px;border-radius:11px;background:white;border:1px solid var(--line);margin:7px 0;max-width:85%;font-size:11px}.bubble.user{margin-left:auto;background:var(--blue);color:white}.chatform{display:flex;gap:8px}.chatform input{flex:1;border:1px solid var(--line);border-radius:9px;padding:10px}.idea{padding:9px 0;border-bottom:1px solid var(--line);font-size:11px}.hidden{display:none}footer{text-align:center;color:#9aa5b8;font-size:9px;padding:20px}
body.dark{--bg:#10182a;--card:#19243b;--ink:#edf2ff;--muted:#9aa8c2;--line:#2b3955}body.dark input,body.dark textarea,body.dark select{background:#19243b;color:#edf2ff;border-color:#2b3955}body.dark .chat{background:#121d33}body.dark .bubble{background:#202e49;color:#edf2ff}
@media(max-width:950px){.app{grid-template-columns:1fr}.side{padding:12px;gap:8px}.brand small,.sidefoot{display:none}.nav{display:flex;overflow:auto}.nav button{white-space:nowrap;padding:9px}.layout{grid-template-columns:1fr}main{padding:18px}}
@media(max-width:620px){.stats{grid-template-columns:repeat(2,1fr)}.hero h2{font-size:21px}.heroBadge{display:none}.featuregrid{grid-template-columns:1fr}.resources{grid-template-columns:repeat(2,1fr)}.clock{font-size:58px}.top h1{font-size:20px}}

.topiclist{display:grid;gap:8px}.topicbtn{width:100%;text-align:left;border:1px solid var(--line);background:var(--card);padding:12px;border-radius:12px;color:var(--ink)}.topicbtn.active{border-color:var(--blue);background:rgba(82,109,255,.08)}.lesson h3{margin:8px 0}.lesson h4{margin:18px 0 5px}.lesson p{color:var(--muted)}.lesson .example{padding:13px;background:rgba(82,109,255,.08);border-radius:12px;margin-top:12px}.ai-config{padding:14px;background:rgba(82,109,255,.06);border:1px solid var(--line);border-radius:13px;margin-bottom:14px}.configrow{display:flex;gap:8px;margin:10px 0}.configrow input{flex:1;min-width:0}.quickprompts{display:flex;gap:7px;flex-wrap:wrap;margin:12px 0}.bubble.loading{opacity:.65;font-style:italic}
@media(max-width:800px){.configrow{flex-direction:column}}

.solver-panel{max-width:900px}.solver-form{display:flex;gap:9px;margin:15px 0}.solver-form input{flex:1;min-width:0}.solver-examples{display:flex;align-items:center;gap:7px;flex-wrap:wrap}.solver-result{margin-top:20px;border-top:1px solid var(--line);padding-top:17px}.step{display:flex;gap:12px;padding:13px 0;border-bottom:1px solid var(--line)}.stepnum{flex:0 0 28px;height:28px;border-radius:9px;background:rgba(82,109,255,.12);color:var(--blue);display:grid;place-items:center;font-weight:800}.step b{display:block;margin-bottom:3px}.answerbox{margin-top:15px;padding:15px;border-radius:13px;background:rgba(24,167,126,.10);border:1px solid rgba(24,167,126,.25)}.answerbox strong{font-size:22px;color:var(--mint)}.solver-note{max-width:900px;margin-top:12px}@media(max-width:650px){.solver-form{flex-direction:column}}

.exam-panel{max-width:1000px}.exam-controls{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px}.exam-controls .field{margin:0}.exam-actions{display:flex;align-items:center;gap:14px;margin:14px 0}.exam-area{border-top:1px solid var(--line);padding-top:14px}.exam-question{padding:14px 0;border-bottom:1px solid var(--line)}.exam-question h4{margin:0 0 10px}.exam-option{display:flex;gap:9px;align-items:flex-start;padding:8px 10px;border:1px solid var(--line);border-radius:10px;margin:6px 0;cursor:pointer}.exam-option input{margin-top:4px}.exam-result{padding:15px;border-radius:12px;background:rgba(82,109,255,.08);margin-top:14px}.exam-key{margin-top:12px}.correct{color:#15966f;font-weight:700}.incorrect{color:#c05b48;font-weight:700}@media(max-width:650px){.exam-controls{grid-template-columns:1fr}}

.auth-screen{position:fixed;inset:0;z-index:9999;display:grid;place-items:center;padding:20px;background:radial-gradient(circle at 15% 15%,#344b91 0,#111b34 48%,#0b1224 100%);overflow:auto}
.auth-card{width:min(430px,100%);background:#fff;border:1px solid #e7ebf5;border-radius:24px;padding:28px;box-shadow:0 24px 80px #0005;color:#17223b}
.auth-brand{display:flex;align-items:center;justify-content:center;gap:10px;font-size:25px;font-weight:900;letter-spacing:-1px;margin-bottom:22px}
.auth-mark{display:grid;place-items:center;width:45px;height:45px;border-radius:14px;background:linear-gradient(135deg,#91a4ff,#526dff);color:white;font-size:23px}
.auth-card h1{text-align:center;font-size:23px;margin:0 0 5px}.auth-sub{text-align:center;color:#78849d;font-size:12px;margin:0 0 22px}
.auth-tabs{display:grid;grid-template-columns:1fr 1fr;background:#f0f2fa;border-radius:11px;padding:4px;margin-bottom:18px}
.auth-tabs button{border:0;background:transparent;padding:10px;border-radius:8px;color:#66718b;font-weight:750;font-size:12px}
.auth-tabs button.active{background:#fff;color:#4058df;box-shadow:0 2px 8px #172b5414}
.auth-field{display:grid;gap:6px;margin:12px 0}.auth-field label{font-size:11px;font-weight:750}.auth-field input{width:100%;border:1px solid #dfe5f0;border-radius:10px;padding:12px 13px;outline:none}.auth-field input:focus{border-color:#526dff;box-shadow:0 0 0 3px #526dff18}
.auth-submit{width:100%;border:0;border-radius:10px;background:#526dff;color:white;padding:13px;font-weight:800;margin-top:8px}
.auth-note{font-size:10px;line-height:1.5;color:#7b8498;text-align:center;margin:15px 0 0}
.auth-message{display:none;margin:12px 0 0;padding:10px;border-radius:9px;background:#fff3e7;color:#92551d;font-size:11px;line-height:1.45}
.auth-message.show{display:block}
.auth-screen[hidden]{display:none}
@media(max-width:700px){.auth-card{padding:23px 19px}}


/* CampusGo 8.1 — optimización móvil */
@media(max-width:600px){
  html,body{width:100%;max-width:100%;overflow-x:hidden}
  body{font-size:14px}
  .app{display:flex;flex-direction:column;min-height:100vh}
  .side{position:sticky;top:0;z-index:100;padding:10px 10px 8px;gap:8px;box-shadow:0 5px 18px #07132d25}
  .brand{font-size:16px;padding:0 4px;display:flex;align-items:center}
  .brand span{width:31px;height:31px;border-radius:9px}
  .nav{display:flex;gap:6px;overflow-x:auto;overflow-y:hidden;scrollbar-width:none;padding:2px 0 4px}
  .nav::-webkit-scrollbar{display:none}
  .nav button{flex:0 0 auto;white-space:nowrap;font-size:11px;padding:9px 11px}
  main{padding:14px 12px 28px;width:100%;max-width:100%;margin:0}
  .top{align-items:flex-start;gap:8px;flex-wrap:wrap;margin-bottom:14px}
  .top h1{font-size:19px;line-height:1.2}
  .hero{padding:20px 17px;min-height:135px;border-radius:16px}
  .hero h2{font-size:21px;line-height:1.2}
  .hero p{font-size:11px}
  .stats{grid-template-columns:repeat(2,minmax(0,1fr));gap:8px;margin:10px 0}
  .card{padding:11px;border-radius:12px;min-width:0}
  .card strong{font-size:21px}
  .layout{grid-template-columns:minmax(0,1fr);gap:10px}
  .panel{padding:13px;border-radius:13px;min-width:0}
  .featuregrid{grid-template-columns:minmax(0,1fr);gap:9px}
  .resources{grid-template-columns:repeat(2,minmax(0,1fr));gap:8px}
  .resource{padding:11px;min-width:0}
  .toolbar{flex-direction:column}
  .toolbar input,.toolbar select{width:100%;min-width:0}
  .tablewrap{max-width:100%;overflow-x:auto;-webkit-overflow-scrolling:touch}
  .tbl{min-width:540px}
  .field input,.field textarea,.field select{font-size:16px;min-width:0}
  .btn,button{touch-action:manipulation}
  .chatform{gap:6px}
  .chatform input{min-width:0;width:100%;font-size:16px}
  .chat{height:min(48vh,390px);min-height:230px;padding:9px}
  .bubble{max-width:94%;font-size:12px}
  .quickprompts{gap:6px}
  .quickprompts button{font-size:10px}
  .configrow{flex-direction:column}
  .configrow input,.configrow button{width:100%;min-width:0}
  .solver-form{flex-direction:column}
  .solver-form input{width:100%;min-width:0;font-size:16px}
  .exam-controls{grid-template-columns:minmax(0,1fr)!important}
  .clock{font-size:52px;letter-spacing:-2px}
  .timer{padding:17px 8px}
  .intro{align-items:flex-start;gap:8px;flex-direction:column}
  .topicbtn{padding:11px}
  .auth-screen{padding:14px;align-items:center}
  .auth-card{width:100%;max-width:430px;padding:23px 18px;border-radius:19px}
}
@media(min-width:601px) and (max-width:950px){
  main{padding:20px}
  .app{grid-template-columns:1fr}
  .side{position:sticky;top:0;z-index:100}
}


/* CampusGo 9.0 — nueva identidad visual */
:root{--bg:#f3f5fb;--card:#fff;--ink:#121a32;--muted:#74809b;--line:#e5e9f3;--blue:#5b5cf0;--navy:#10172d;--mint:#16b891}
body{font-family:Inter,ui-sans-serif,system-ui,-apple-system,"Segoe UI",sans-serif;background:radial-gradient(ellipse at 78% -10%,#e3e7ff 0,transparent 38%),var(--bg);letter-spacing:-.12px}
.app{grid-template-columns:258px minmax(0,1fr)}
.side{background:linear-gradient(180deg,#111a35 0%,#171f42 55%,#202653 100%);padding:25px 17px;gap:29px;box-shadow:8px 0 35px #111b3410}
.brand{font-size:21px;letter-spacing:-.7px}.brand span{background:linear-gradient(135deg,#8b9aff,#5b5cf0 55%,#a77bff);box-shadow:0 7px 20px #5b5cf055;border-radius:13px}
.brand small{letter-spacing:2px;font-size:8px}
.nav{gap:7px}.nav button{padding:12px 13px;border-radius:12px;font-size:12px;transition:background .2s,transform .2s}
.nav button.active{background:linear-gradient(100deg,#5964ee,#7772f5);box-shadow:0 7px 20px #5360ef35;color:white}
.nav button:hover{transform:translateX(2px)}
main{max-width:1600px;padding:30px clamp(18px,3vw,48px)}
.top{margin-bottom:24px}.top h1{font-size:27px;letter-spacing:-1px;font-weight:850}
.muted{letter-spacing:1.2px;font-size:9px;font-weight:800}
.hero{border-radius:24px;padding:34px 35px;min-height:190px;background:radial-gradient(circle at 82% 20%,#a59cff66 0,transparent 28%),linear-gradient(115deg,#17254b 0%,#454de0 56%,#8b6df0 100%);box-shadow:0 18px 45px #4149bd28}
.hero h2{font-size:clamp(25px,3vw,36px);letter-spacing:-1.5px;font-weight:850;max-width:650px}
.hero p{font-size:13px;max-width:560px;line-height:1.7}
.heroBadge{background:#ffffff17;backdrop-filter:blur(12px);border:1px solid #ffffff42;border-radius:17px;padding:17px;min-width:145px}
.stats{gap:14px;margin:18px 0}.card,.panel{border:1px solid #e8ebf5;box-shadow:0 8px 28px #172b5408;border-radius:17px;transition:transform .2s,box-shadow .2s}
.card:hover,.feature:hover,.resource:hover{transform:translateY(-3px);box-shadow:0 14px 32px #172b5412}
.card{padding:17px}.card strong{font-size:29px;letter-spacing:-1px}
.panel{padding:20px}.panel h3{font-size:15px;letter-spacing:-.3px}
.featuregrid{gap:14px}.feature{border-radius:17px;transition:transform .2s,box-shadow .2s}
.btn{background:linear-gradient(110deg,#565fe9,#7771f2);border-radius:10px;box-shadow:0 5px 13px #5b5cf022}
.btn.soft{background:#eef0ff;color:#4e55d8;box-shadow:none}
.pill{background:#eeefff;color:#5158d8;padding:6px 11px}
.topicbtn{border-radius:13px;transition:border .2s,transform .2s}.topicbtn:hover{transform:translateX(3px)}
.auth-screen{background:radial-gradient(circle at 10% 15%,#6474ec 0,transparent 30%),linear-gradient(135deg,#10172d,#282d69)}
@media(max-width:950px){.app{grid-template-columns:1fr}.side{padding:13px;gap:10px}.brand small,.sidefoot{display:none}.nav{display:flex;overflow-x:auto}.nav button{white-space:nowrap}.layout{grid-template-columns:1fr}main{padding:18px}}
@media(max-width:600px){.app{display:flex;flex-direction:column}.side{position:sticky;top:0;z-index:100;padding:10px;gap:7px}.brand{font-size:17px}.nav{gap:5px}.nav button{font-size:10px;padding:9px}.top h1{font-size:21px}.hero{padding:22px 18px;min-height:155px;border-radius:18px}.hero h2{font-size:25px}.heroBadge{display:none}.stats{grid-template-columns:repeat(2,minmax(0,1fr));gap:8px}.card{padding:12px}.card strong{font-size:23px}.panel{padding:14px}}


/* CampusGo 9.1 — landing page */
.landing{position:fixed;inset:0;z-index:5000;overflow-y:auto;background:#f7f8ff;color:#121a32}
.landing[hidden]{display:none}
.lnav{height:76px;display:flex;align-items:center;justify-content:space-between;gap:20px;padding:0 clamp(18px,5vw,76px);background:#ffffffeb;backdrop-filter:blur(14px);border-bottom:1px solid #e9ebf5;position:sticky;top:0;z-index:3}
.lbrand{display:flex;align-items:center;gap:10px;font-weight:900;font-size:21px;letter-spacing:-.8px}
.lbrandmark{display:grid;place-items:center;width:39px;height:39px;border-radius:13px;background:linear-gradient(135deg,#8b9aff,#565fe9 60%,#a77bff);color:#fff;font-size:21px;box-shadow:0 7px 18px #5964e944}
.lnavlinks{display:flex;align-items:center;gap:25px}.lnavlinks a{font-size:12px;color:#68728c;text-decoration:none;font-weight:700}.lnavlinks a:hover{color:#565fe9}
.lbtn{border:0;border-radius:11px;padding:12px 17px;background:linear-gradient(110deg,#565fe9,#8273f4);color:#fff;font-weight:800;font-size:12px;box-shadow:0 8px 20px #5964e933}
.lhero{padding:76px clamp(20px,7vw,100px) 70px;background:radial-gradient(circle at 78% 20%,#9d95ff55,transparent 26%),radial-gradient(circle at 12% 90%,#6a84ff25,transparent 30%),linear-gradient(130deg,#111a35,#252d69 58%,#5a54c8);color:#fff;display:grid;grid-template-columns:1.1fr .9fr;align-items:center;gap:40px;min-height:530px}
.ltag{display:inline-flex;align-items:center;gap:8px;border:1px solid #ffffff38;background:#ffffff12;padding:8px 12px;border-radius:30px;color:#dfe3ff;font-size:10px;font-weight:800;letter-spacing:1px}
.lhero h1{font-size:clamp(38px,5.4vw,68px);line-height:1.02;letter-spacing:-3px;margin:22px 0 18px;max-width:720px}
.lhero h1 span{color:#a9a4ff}.lhero p{font-size:15px;line-height:1.8;color:#d7dcff;max-width:570px;margin:0 0 26px}
.lheroactions{display:flex;gap:12px;flex-wrap:wrap}.lbtn.light{background:#fff;color:#4148c8;box-shadow:none}.lbtn.ghost{background:#ffffff14;border:1px solid #ffffff42;box-shadow:none}
.lvisual{position:relative;min-height:340px;display:grid;place-items:center}
.lmock{width:min(100%,440px);background:#fff;border:1px solid #ffffff70;border-radius:22px;padding:17px;color:#18213b;box-shadow:0 30px 80px #080d2e65;transform:rotate(2deg)}
.lmocktop{display:flex;justify-content:space-between;align-items:center;margin-bottom:16px;font-size:11px;font-weight:850}
.lmockgrid{display:grid;grid-template-columns:repeat(2,1fr);gap:10px}
.lmockstat{background:#f4f5ff;border-radius:13px;padding:14px}.lmockstat small{color:#7b849d;font-size:9px}.lmockstat b{display:block;font-size:23px;margin-top:5px}
.lmockbar{height:8px;border-radius:20px;background:#e8eafd;margin-top:10px;overflow:hidden}.lmockbar span{display:block;width:72%;height:100%;background:linear-gradient(90deg,#5964e9,#a18cff);border-radius:20px}
.lfloat{position:absolute;background:#fff;color:#26304b;border-radius:14px;padding:13px 16px;box-shadow:0 15px 35px #080d2e30;font-size:11px;font-weight:800}.lfloat.one{left:-8px;bottom:25px}.lfloat.two{right:-5px;top:30px}
.lsection{padding:76px clamp(20px,7vw,100px)}.lsectionhead{text-align:center;max-width:680px;margin:0 auto 35px}.lsectionhead small{color:#5b61dc;font-size:10px;font-weight:900;letter-spacing:1.5px}.lsectionhead h2{font-size:clamp(27px,3vw,40px);letter-spacing:-1.5px;margin:10px 0}.lsectionhead p{color:#78829b;font-size:13px;line-height:1.7}
.lfeatures{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;max-width:1160px;margin:auto}
.lfeature{background:#fff;border:1px solid #e9ecf5;border-radius:18px;padding:22px;box-shadow:0 10px 30px #172b5408}
.licon{width:43px;height:43px;display:grid;place-items:center;border-radius:13px;background:#eff0ff;color:#575ee3;font-size:21px}
.lfeature h3{font-size:15px;margin:15px 0 7px}.lfeature p{font-size:12px;color:#78829b;line-height:1.7;margin:0}
.lband{margin:0 clamp(16px,5vw,70px) 70px;border-radius:25px;padding:40px;background:linear-gradient(110deg,#252d69,#5c59d4 65%,#8974ee);color:#fff;display:flex;justify-content:space-between;align-items:center;gap:24px}
.lband h2{font-size:clamp(23px,3vw,34px);letter-spacing:-1px;margin:0 0 8px}.lband p{font-size:12px;color:#e0e2ff;margin:0}
.lfooter{padding:25px clamp(20px,7vw,100px);display:flex;justify-content:space-between;gap:15px;flex-wrap:wrap;color:#8490a8;font-size:10px;border-top:1px solid #e8ebf3}
@media(max-width:850px){.lhero{grid-template-columns:1fr;padding-top:55px}.lvisual{min-height:300px}.lfeatures{grid-template-columns:repeat(2,1fr)}}
@media(max-width:600px){.lnav{height:65px;padding:0 15px}.lnavlinks{gap:10px}.lnavlinks a{display:none}.lbrand{font-size:18px}.lbrandmark{width:34px;height:34px}.lnav .lbtn{padding:10px 12px}.lhero{padding:48px 20px 45px;gap:20px;min-height:0}.lhero h1{font-size:42px;letter-spacing:-2px}.lhero p{font-size:13px}.lvisual{min-height:260px}.lmock{padding:13px}.lfloat.one{left:-2px;bottom:4px}.lfloat.two{right:-2px;top:0}.lsection{padding:52px 18px}.lfeatures{grid-template-columns:1fr}.lband{margin:0 14px 45px;padding:25px;display:block}.lband .lbtn{margin-top:18px}.lfooter{padding:22px 18px}}


.auth-close{display:block;margin:0 0 8px auto;border:0;background:#f0f2fa;color:#65708b;border-radius:9px;width:31px;height:31px;font-size:19px;line-height:1;cursor:pointer}
.auth-tabs button{cursor:pointer}
.auth-tabs button:focus-visible,.auth-submit:focus-visible,.auth-close:focus-visible{outline:3px solid #9ca8ff;outline-offset:2px}
.auth-field input{box-sizing:border-box;font:inherit;font-size:14px}
.auth-field .hint{font-size:10px;color:#8892a8}
.auth-message.success{background:#e9f8f2;color:#187b5c}
.auth-screen{z-index:99999}


/* Ajustes de la implementación CampusGo */
[hidden]{display:none!important}
.bubble{white-space:pre-wrap}
.btn:disabled,.auth-submit:disabled,.lbtn:disabled{opacity:.6;cursor:not-allowed}
.userchip{display:inline-flex;align-items:center;gap:7px;background:#fff;border:1px solid var(--line);border-radius:30px;padding:6px 11px;font-size:10px;font-weight:750;color:var(--ink)}
.userchip .dot{width:7px;height:7px;border-radius:50%;background:var(--mint)}
.top-actions{display:flex;align-items:center;gap:8px;flex-wrap:wrap;justify-content:flex-end}
.auth-message.error{background:#fdecea;color:#9b2c20}
.auth-message.success{background:#e9f8f2;color:#187b5c}
.auth-screen .auth-card{position:relative}
#toast{z-index:100000;pointer-events:none}
.ai-status-note{font-size:10px;color:var(--muted);margin-top:8px}
.chat .bubble.loading{opacity:.65;font-style:italic}
.exam-timer{font-variant-numeric:tabular-nums}
.lnav .lbtn.ghost{background:#eef0ff;color:#4148c8;border:1px solid #dfe3f3;box-shadow:none}
.lnav .lbtn.ghost:hover{background:#e3e6ff}
.userchip{color:#17223b}
body.dark .userchip{background:#202e49;color:#edf2ff;border-color:#2b3955}

/* ===== Formularios, gestión y componentes interactivos ===== */
:root{--danger:#c05b48;--ok:#18a77e;--ring:rgba(82,109,255,.14)}

input,select,textarea{transition:border-color .18s,box-shadow .18s,background-color .18s,color .18s}
input::placeholder,textarea::placeholder{color:#a3adbf}
input:hover:not(:disabled),select:hover:not(:disabled),textarea:hover:not(:disabled){border-color:#c9d2e4}
input:focus,select:focus,textarea:focus{outline:none;border-color:var(--blue);box-shadow:0 0 0 3px var(--ring)}
input:disabled,select:disabled,textarea:disabled{opacity:.62;cursor:not-allowed;background:#f6f8fd}
body.dark input:disabled,body.dark select:disabled,body.dark textarea:disabled{background:#141e31}
input.invalid,select.invalid,textarea.invalid{border-color:var(--danger)!important;box-shadow:0 0 0 3px rgba(192,91,72,.12)!important}
input[type="search"]::-webkit-search-cancel-button{display:none}
input[type="checkbox"],input[type="radio"]{accent-color:var(--blue);width:16px;height:16px;cursor:pointer}
input[type="date"]{color-scheme:light}
body.dark input[type="date"]{color-scheme:dark}
select{appearance:none;-webkit-appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' fill='none' stroke='%2374809b' stroke-width='1.8' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 11px center;padding-right:34px}
textarea{resize:vertical;min-height:85px;line-height:1.55}
button:focus-visible,a:focus-visible,[role="button"]:focus-visible{outline:3px solid #9ca8ff;outline-offset:2px}

.input-wrap{position:relative;display:flex;align-items:center;min-width:0}
.input-wrap input{width:100%;padding-right:38px}
.toolbar .input-wrap{flex:1}
.input-wrap .input-clear,.input-wrap .input-eye{position:absolute;right:6px;top:50%;transform:translateY(-50%);width:27px;height:27px;border:0;border-radius:8px;background:transparent;color:#8d97ab;display:none;place-items:center;font-size:15px;line-height:1;padding:0}
.input-wrap .input-eye{display:grid}
.input-wrap.has-value .input-clear{display:grid}
.input-wrap .input-clear:hover,.input-wrap .input-eye:hover{background:#eef1f9;color:#4e55d8}
body.dark .input-wrap .input-clear:hover,body.dark .input-wrap .input-eye:hover{background:#263550;color:#cdd6ff}
.auth-field .input-wrap{width:100%}

.field label{display:flex;justify-content:space-between;align-items:center;gap:8px;width:100%}
.char-count{font-size:9px;font-weight:650;color:var(--muted);white-space:nowrap}
.field-error{display:none;color:var(--danger);font-size:10px;line-height:1.35;margin-top:1px}
.field-error.show{display:block}
.field-hint{font-size:9px;color:var(--muted);line-height:1.4}

.btn.ghost{background:#f2f4fa;color:#4e586f;box-shadow:none}
.btn.ghost:hover{background:#e9edf7}
.btn.danger{background:#c05b48;color:#fff;box-shadow:0 5px 13px rgba(192,91,72,.22)}
.btn.danger:hover{background:#ad4e3c}
body.dark .btn.ghost{background:#263550;color:#dce4f6}

.list-meta{display:flex;justify-content:space-between;align-items:center;gap:10px;margin:-2px 0 10px;padding:0 2px;font-size:9px;font-weight:750;color:var(--muted);letter-spacing:.2px}
.task-toolbar select{min-width:142px}
.stat-card{cursor:pointer;user-select:none}
.stat-card:focus-visible{outline:3px solid #9ca8ff;outline-offset:2px}

.duebadge{display:inline-flex;align-items:center;gap:3px;padding:2px 6px;border-radius:20px;font-size:8px;font-weight:800;letter-spacing:.2px;margin-left:4px;white-space:nowrap;vertical-align:1px}
.duebadge.overdue{background:#fdecea;color:#a33b2d}
.duebadge.today{background:#fff4e5;color:#985a16}
.duebadge.soon{background:#eef0ff;color:#4e55d8}
body.dark .duebadge.overdue{background:#402323;color:#f2b0a6}
body.dark .duebadge.today{background:#3d311e;color:#f0c98b}
body.dark .duebadge.soon{background:#232c50;color:#bfc7ff}

.idea{display:flex;align-items:flex-start;justify-content:space-between;gap:10px}
.idea-text{flex:1;min-width:0;overflow-wrap:anywhere}
.idea-del{border:0;background:transparent;color:#a6afc1;border-radius:7px;padding:2px 6px;font-size:9px;font-weight:700;flex:0 0 auto}
.idea-del:hover{background:#fdecea;color:#a33b2d}
body.dark .idea-del:hover{background:#402323;color:#f2b0a6}

.modal-screen{position:fixed;inset:0;z-index:9000;display:grid;place-items:center;padding:20px;background:rgba(16,25,50,.56);backdrop-filter:blur(5px);overflow:auto}
.modal-screen[hidden]{display:none!important}
.modal-card{width:min(540px,100%);max-height:92vh;overflow:auto;background:var(--card);border:1px solid var(--line);border-radius:20px;padding:24px;box-shadow:0 28px 90px #0006;color:var(--ink);position:relative}
.modal-card h2{font-size:20px;letter-spacing:-.6px;margin:0 0 4px}
.modal-card h3{font-size:13px;margin:20px 0 9px;letter-spacing:-.2px}
.modal-card .muted{font-size:10px}
.modal-close{position:absolute;top:14px;right:14px;border:0;background:#f0f2fa;color:#65708b;border-radius:9px;width:32px;height:32px;font-size:20px;line-height:1;display:grid;place-items:center}
.modal-close:hover{background:#e6eaf5;color:#3f4a62}
body.dark .modal-close{background:#263550;color:#dce4f6}
.modal-actions{display:flex;justify-content:flex-end;align-items:center;gap:8px;margin-top:18px}
.confirm-card{width:min(420px,100%);text-align:left}
.profile-card{width:min(590px,100%)}
.profile-head{display:flex;align-items:center;gap:13px;margin-bottom:16px}
.profile-avatar{width:48px;height:48px;border-radius:15px;display:grid;place-items:center;background:linear-gradient(135deg,#8b9aff,#565fe9 55%,#a77bff);color:#fff;font-size:24px;font-weight:900;flex:0 0 auto;box-shadow:0 8px 20px #5964e933}
.profile-head h2{margin:0 0 3px}
.profile-head .muted{margin:0}
.profile-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin:4px 0 8px}
.profile-stat{background:rgba(82,109,255,.07);border:1px solid var(--line);border-radius:11px;padding:10px}
.profile-stat small{display:block;font-size:8px;font-weight:800;color:var(--muted);letter-spacing:.6px;text-transform:uppercase}
.profile-stat strong{display:block;font-size:18px;margin-top:3px;letter-spacing:-.5px}
body.dark .profile-stat{background:rgba(91,92,240,.12)}

.history-panel{margin-bottom:4px}
.history-list{display:grid;gap:7px}
.history-item{display:flex;align-items:center;gap:10px;padding:9px 10px;border:1px solid var(--line);border-radius:11px;background:rgba(82,109,255,.035)}
.history-main{flex:1;min-width:0}
.history-main b{display:block;font-size:11px;margin-bottom:2px}
.history-main small{font-size:9px;color:var(--muted)}
.history-score{font-size:12px;font-weight:850;color:var(--blue);white-space:nowrap}
.history-badge{font-size:8px;font-weight:800;padding:3px 7px;border-radius:20px;background:#eef0ff;color:#4e55d8;white-space:nowrap}
.history-badge.warn{background:#fff4e5;color:#985a16}
.history-empty{font-size:10px;color:var(--muted);padding:6px 0}
body.dark .history-item{background:rgba(91,92,240,.08)}
body.dark .history-badge{background:#232c50;color:#bfc7ff}
body.dark .history-badge.warn{background:#3d311e;color:#f0c98b}

@media(max-width:620px){
  .task-toolbar{flex-direction:column}
  .task-toolbar .input-wrap,.task-toolbar select{width:100%}
  .modal-card{padding:20px 17px;border-radius:17px}
  .profile-stats{grid-template-columns:repeat(3,minmax(0,1fr))}
  .profile-stat{padding:8px}
  .profile-stat strong{font-size:15px}
}

/* Lista inteligente del panel */
.quick-task{margin:-2px 0 9px;padding:10px;border:1px solid var(--line);border-radius:12px;background:rgba(82,109,255,.045)}
.quick-task .field{margin-bottom:6px}
.quick-task input{font-size:11px;padding:8px 10px;min-height:36px}
.quick-task-row{display:flex;gap:7px;align-items:flex-start}
.quick-task-row .field{flex:1;margin-bottom:0;min-width:0}
.quick-task-row .btn{flex:0 0 auto;padding:9px 11px;min-height:36px;font-size:10px}
.quick-task .field-error{margin-top:0}
.quick-task .btn.ghost{padding:9px 10px}
body.dark .quick-task{background:rgba(91,92,240,.09)}
.home-empty{padding:14px 4px 10px}
.home-empty b{display:block;font-size:12px;margin-bottom:3px}
.home-empty p{margin:0 0 10px}
.task-edit{flex:0 0 auto;border:0;background:transparent;color:#9aa5b8;border-radius:7px;width:27px;height:27px;display:grid;place-items:center;font-size:12px;padding:0;opacity:.75}
.task-edit:hover{background:#eef0ff;color:#4e55d8;opacity:1}
body.dark .task-edit:hover{background:#263550;color:#cdd6ff}
.task .tasktext{min-width:0}
.task .tasktext b{overflow-wrap:anywhere}
@media(max-width:620px){
  .quick-task-row{flex-wrap:wrap}
  .quick-task-row .field{flex:1 1 100%}
  .quick-task-row .btn{flex:1 1 auto}
  .tbl{min-width:620px}
}
body.modal-open{overflow:hidden}
.history-repeat{border:0;background:#eef0ff;color:#4e55d8;border-radius:8px;padding:6px 8px;font-size:9px;font-weight:750;white-space:nowrap}
.history-repeat:hover{background:#e1e5ff}
body.dark .history-repeat{background:#232c50;color:#bfc7ff}
body.dark .history-repeat:hover{background:#2c3762}
.userchip{text-align:left;font-family:inherit}
@media(max-width:620px){
  .history-item{flex-wrap:wrap}
  .history-main{flex:1 1 100%}
  .history-repeat{margin-left:auto}
  .profile-head{align-items:flex-start}
  .modal-actions{flex-wrap:wrap}
  .modal-actions .btn{flex:1 1 auto}
}
body.dark{background:radial-gradient(ellipse at 78% -10%,#232a52 0,transparent 38%),var(--bg)}
@media(max-width:620px){
  .smart-head{flex-wrap:wrap;gap:8px}
  .smart-head>div:last-child{width:100%;display:flex;gap:6px}
  .smart-head>div:last-child .btn{flex:1;white-space:nowrap}
}
.input-wrap .input-eye svg{display:block;width:15px;height:15px}
.announcement{margin:0 0 14px;padding:13px 16px;border:1px solid #dce2ff;border-radius:14px;background:linear-gradient(100deg,#eef1ff,#f7f4ff);color:#313d78;font-size:12px;line-height:1.6;font-weight:600}
.announcement::before{content:'📣 ';font-weight:400}
body.dark .announcement{background:linear-gradient(100deg,#202a52,#28244a);border-color:#35416e;color:#dfe4ff}

/* Tareas de cursos, entregas y materiales */
.course-task{display:flex;align-items:flex-start;gap:10px;padding:11px 0;border-bottom:1px solid var(--line)}
.course-task:last-child{border-bottom:0;padding-bottom:2px}
.course-task-main{flex:1;min-width:0}
.course-task-title{display:flex;align-items:center;gap:6px;flex-wrap:wrap;font-size:11px;font-weight:750;margin-bottom:2px}
.course-task-title b{overflow-wrap:anywhere}
.course-task-meta{font-size:9px;color:var(--muted);line-height:1.5}
.course-task-meta span{white-space:nowrap}
.course-task-actions{display:flex;align-items:center;gap:5px;flex-wrap:wrap;justify-content:flex-end;flex:0 0 auto}
.course-task-actions .btn{padding:6px 9px;font-size:9px}
.gradebadge{display:inline-flex;align-items:center;border-radius:20px;padding:2px 7px;font-size:8px;font-weight:850;background:#e9f8f2;color:#187b5c;white-space:nowrap}
.gradebadge.pending{background:#fff4e5;color:#985a16}
.gradebadge.late{background:#fdecea;color:#a33b2d}
.course-empty{padding:8px 0;font-size:10px;color:var(--muted)}
.material-list{display:grid;gap:7px}
.material-item{display:flex;align-items:center;gap:10px;border:1px solid var(--line);border-radius:11px;padding:9px 11px;background:rgba(82,109,255,.03)}
.material-icon{width:32px;height:32px;border-radius:9px;display:grid;place-items:center;background:#eef0ff;color:#4e55d8;font-size:15px;flex:0 0 auto}
.material-main{flex:1;min-width:0}
.material-main b{display:block;font-size:11px;margin-bottom:2px;overflow-wrap:anywhere}
.material-main small{display:block;font-size:9px;color:var(--muted);line-height:1.4}
.material-download{font-size:9px;font-weight:750;color:#4e55d8;text-decoration:none;white-space:nowrap}
.material-download:hover{text-decoration:underline}
body.dark .material-item{background:rgba(91,92,240,.08)}
body.dark .material-icon{background:#232c50;color:#bfc7ff}
body.dark .material-download{color:#bfc7ff}
.submission-current{background:#f6f8fd;border:1px solid var(--line);border-radius:11px;padding:11px 12px;margin-bottom:12px;font-size:10px;line-height:1.55}
.submission-current b{display:block;font-size:11px;margin-bottom:2px}
.submission-current small{display:block;color:var(--muted);font-size:9px}
.submission-file{display:flex;align-items:center;gap:7px;flex-wrap:wrap;margin-top:5px}
.submission-file a{color:#4e55d8;font-weight:750;text-decoration:none}
.submission-file a:hover{text-decoration:underline}
body.dark .submission-file a{color:#bfc7ff}
@media(max-width:620px){
  .course-task{flex-wrap:wrap}
  .course-task-actions{width:100%;justify-content:flex-start}
  .material-item{align-items:flex-start}
}

/* Fase 3: temporizador, niveles, rachas y calendario */
.focus-config{display:grid;grid-template-columns:1fr 1fr;gap:10px;max-width:560px;margin:0 auto 16px;text-align:left}
.focus-config .field{margin:0}
.focus-config label>span{font-size:9px}
.study-panel{margin-top:14px}
.study-head{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap}
.study-head h2{font-size:19px;letter-spacing:-.5px;margin:2px 0 0}
.levelbar{height:9px;background:#edf0f8;border-radius:20px;overflow:hidden;margin:11px 0 6px}
.levelbar span{display:block;height:100%;width:0;background:linear-gradient(90deg,#526dff,#9b79f5);border-radius:20px;transition:width .5s ease}
.study-stats{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:8px;margin:13px 0 4px}
.study-stats>div{background:rgba(82,109,255,.055);border:1px solid var(--line);border-radius:11px;padding:9px 10px}
.study-stats small{display:block;font-size:8px;font-weight:800;text-transform:uppercase;letter-spacing:.4px;color:var(--muted)}
.study-stats strong{display:block;font-size:15px;margin-top:3px;letter-spacing:-.3px}
.calendar-head{display:flex;align-items:center;justify-content:space-between;gap:10px;flex-wrap:wrap;margin:15px 0 8px}
.calendar-head h3{font-size:12px;margin:0}
.study-calendar{display:grid;grid-template-columns:repeat(7,minmax(0,1fr));gap:4px;max-width:520px}
.study-weekday{text-align:center;font-size:8px;font-weight:800;color:var(--muted);padding:2px 0}
.study-day{aspect-ratio:1;border-radius:6px;background:#edf0f8;display:grid;place-items:center;font-size:8px;font-weight:700;color:#8b96ab;position:relative}
.study-day.level-1{background:#dce3ff;color:#4e55d8}
.study-day.level-2{background:#b9c5ff;color:#2f3ba8}
.study-day.level-3{background:#8496ff;color:#fff}
.study-day.level-4{background:#526dff;color:#fff}
.study-day.today{outline:2px solid #17223b;outline-offset:1px}
.study-day.future{opacity:.35}
body.dark .levelbar{background:#263550}
body.dark .study-stats>div{background:rgba(91,92,240,.1)}
body.dark .study-day{background:#263550;color:#93a0ba}
body.dark .study-day.level-1{background:#28345f;color:#bfc7ff}
body.dark .study-day.level-2{background:#35449a;color:#eef0ff}
body.dark .study-day.level-3{background:#5468e0;color:#fff}
body.dark .study-day.level-4{background:#6d7dff;color:#fff}
body.dark .study-day.today{outline-color:#edf2ff}
.profile-study{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:7px;margin:2px 0 6px}
.profile-study>div{background:rgba(82,109,255,.07);border:1px solid var(--line);border-radius:10px;padding:9px 10px}
.profile-study small{display:block;font-size:8px;font-weight:800;color:var(--muted);text-transform:uppercase;letter-spacing:.5px}
.profile-study strong{display:block;font-size:15px;margin-top:3px}
body.dark .profile-study>div{background:rgba(91,92,240,.12)}
@media(max-width:620px){
  .focus-config{grid-template-columns:1fr;max-width:100%}
  .study-stats{grid-template-columns:repeat(2,minmax(0,1fr))}
  .study-calendar{max-width:100%}
  .study-head h2{font-size:17px}
}