:root{font-family:Inter,ui-sans-serif,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:#203b38;background:#f6f8f7;font-synthesis:none;--green:#0c7664;--ink:#183b35;--muted:#72827d;--line:#e2e9e5}*{box-sizing:border-box}body{margin:0}button,input,select{font:inherit}button,a,summary,select{-webkit-tap-highlight-color:transparent}button{cursor:pointer}button:disabled{cursor:default}a{color:inherit;text-decoration:none}button:focus-visible,a:focus-visible,summary:focus-visible,select:focus-visible{outline:3px solid #43bda4;outline-offset:4px}h1,h2,h3,p{margin-top:0}.icon{width:22px;height:22px;flex-shrink:0;vertical-align:middle}button .icon{pointer-events:none}.sidebar{width:242px;position:fixed;inset:0 auto 0 0;background:#fff;border-right:1px solid var(--line);padding:38px 24px;display:flex;flex-direction:column}.brand{display:flex;align-items:center;gap:10px;font-size:20px;font-weight:750;letter-spacing:-.8px}.brand-mark{background:var(--green);color:white;font-size:29px;font-weight:800;letter-spacing:-2px;display:inline-flex;align-items:center;justify-content:center;width:40px;height:40px;border-radius:12px}.brand-mark span{font-size:20px;align-self:flex-start;padding-top:4px;letter-spacing:0}.brand-light{font-weight:420}.product-tag{font-size:10px;letter-spacing:1.7px;color:#8a9691;margin:24px 0 32px 4px}.sidebar nav{display:grid;gap:10px}.nav-item{display:flex;gap:13px;align-items:center;border:0;background:transparent;color:#73837c;padding:14px 16px;border-radius:10px;font-size:14px;font-weight:550;text-align:left}.nav-item.active{background:#eaf5ef;color:var(--green)}.sidebar-bottom{margin-top:auto}.small-status{font-size:12px;font-weight:600;color:#4a6f62}.small-status i{display:inline-block;width:7px;height:7px;background:#73af8a;border-radius:50%;margin-right:6px}.sidebar-bottom>p{font-size:11px;color:#8b9791;margin:8px 0 26px}.student{display:flex;align-items:center;gap:10px;border-top:1px solid var(--line);padding-top:22px}.avatar{width:36px;height:36px;border-radius:50%;background:#dbece2;color:#286b51;display:flex;align-items:center;justify-content:center;font-size:14px;font-weight:700}.student b{font-size:12px;display:block}.student span{font-size:10px;color:var(--muted);display:block;margin-top:4px}.workspace{margin-left:242px}.topbar{height:86px;padding:0 48px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line);font-size:12px;color:#87958f;background:#fff9}.top-right{display:flex;gap:16px;align-items:center}.version-pill{border:1px solid #dae4dd;padding:8px 12px;border-radius:7px;font-size:11px;color:#516c60}.demo-badge{font-size:9px;letter-spacing:1px;color:#807754;background:#f1eedf;padding:6px 8px;border-radius:5px}main{max-width:1160px;margin:0 auto;padding:42px 48px 30px}.eyebrow{font-size:10px;letter-spacing:2px;font-weight:700;color:#6c8e7f;margin-bottom:13px}.page-title{margin-bottom:30px}h1{font-size:34px;font-weight:650;letter-spacing:-1.2px;margin-bottom:10px;line-height:1.2}.page-title p{color:var(--muted);font-size:14px}.greeting-dot{color:#39a582}.hero{background:#113f35;color:#fff;border-radius:18px;padding:38px 42px;display:grid;grid-template-columns:1.6fr 1fr;gap:22px;position:relative;overflow:hidden}.hero:after{content:"";position:absolute;width:420px;height:420px;border:1px solid #ffffff09;right:-100px;top:-220px;border-radius:50%;pointer-events:none}.hero-kicker{font-size:9px;letter-spacing:1.8px;color:#a1d5bd;font-weight:650}.hero h2{font-size:32px;font-weight:550;letter-spacing:-.8px;line-height:1.25;margin:17px 0 14px}.hero-copy>p{max-width:370px;font-size:13px;line-height:1.7;color:#b7cdc4;margin-bottom:24px}.primary,.secondary{border:0;display:inline-flex;align-items:center;justify-content:center;gap:20px;padding:15px 22px;min-height:48px;border-radius:8px;background:var(--green);color:#fff;font-weight:650;font-size:13px;transition:background .15s,transform .15s}.primary:hover{background:#095e50}.primary:active{transform:translateY(1px)}.primary.light{background:#dbf6a5;color:#1c4930;font-size:11px;letter-spacing:.4px}.primary.light:hover{background:#cbed8d}.primary:disabled{opacity:.5}.primary .icon{width:18px;height:18px}.hero-meta{display:flex;gap:22px;margin-top:17px;color:#acc8bb;font-size:10px}.hero-meta .icon{width:14px;height:14px;margin-right:4px}.readiness{display:flex;flex-direction:column;justify-content:center;align-items:center;padding:16px 0}.ring{width:186px;height:186px;background:conic-gradient(#d1ee9e var(--progress),#356355 0);border-radius:50%;padding:9px;position:relative}.ring>div{background:#113f35;border-radius:50%;height:100%;display:flex;flex-direction:column;justify-content:center;align-items:center}.ring strong{font-size:52px;font-weight:550;letter-spacing:-2px}.ring small{font-size:25px;font-weight:350;padding-left:3px}.ring span{font-size:10px;color:#afc9ba;margin-top:8px}.ring-caption{font-size:10px;color:#a5c4b4;margin-top:19px}.stats{display:grid;grid-template-columns:repeat(3,1fr);padding:24px 8px;background:white;border:1px solid var(--line);border-radius:12px;margin:22px 0 32px}.stats>div{display:flex;align-items:center;justify-content:center;gap:16px;border-right:1px solid var(--line)}.stats>div:last-child{border:0}.stats .icon{color:#73987d;width:26px;height:26px}.stats strong{font-size:24px;display:block;letter-spacing:-.5px;font-weight:650}.stats small{font-size:13px;font-weight:450;letter-spacing:0}.stats span{display:block;font-size:10px;color:var(--muted);margin-top:5px}.section-heading{display:flex;justify-content:space-between;align-items:center;margin-bottom:16px}.section-heading h2{font-size:17px;font-weight:600;letter-spacing:-.4px;margin:0}.section-heading>span{font-size:10px;color:#83928b}.mode-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.mode-card{background:#fff;border:1px solid var(--line);border-radius:12px;padding:24px 22px;text-align:left;color:inherit;transition:box-shadow .15s,border-color .15s}.mode-card:hover:not(:disabled){border-color:#9ebfa9;box-shadow:0 6px 18px #194f3410}.tile-icon{background:#edf4e9;width:40px;height:40px;display:flex;align-items:center;justify-content:center;color:#6d8c50;border-radius:10px;margin-bottom:20px}.tile-icon.amber{background:#fcf2e3;color:#b59766}.tile-icon.blue{background:#eaf1f8;color:#7694b3}.mode-card h3{font-size:14px;font-weight:650;margin-bottom:8px}.mode-card p{color:var(--muted);font-size:11px;line-height:1.6;min-height:36px;margin-bottom:20px}.card-link{font-size:10px;color:var(--green);font-weight:650;display:flex;align-items:center;justify-content:space-between}.card-link .icon{width:16px;height:16px}.mode-card:disabled{opacity:.6}.coverage-note{display:flex;gap:14px;margin-top:28px;padding:19px 0;border-top:1px solid var(--line);color:#839089}.coverage-note>.icon{width:17px;height:17px;margin-top:1px}.coverage-note b{font-size:11px;font-weight:600;color:#6e8276}.coverage-note p{font-size:10px;line-height:1.7;max-width:670px;margin:5px 0 0}.workspace footer{max-width:1160px;margin:auto;padding:16px 48px 24px;font-size:10px;color:#8a9890;display:flex;justify-content:space-between}.mobile-nav{display:none}.practice-strip{border:1px solid #d4e6da;background:#eaf3ee;padding:28px;border-radius:13px;display:flex;align-items:center;justify-content:space-between;gap:20px;margin-bottom:30px}.practice-strip .hero-kicker{color:#6d8e77}.practice-strip h2{font-size:23px;margin:10px 0;font-weight:600;letter-spacing:-.5px}.practice-strip p{font-size:12px;color:#77887b;margin-bottom:0}.domain-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px;margin-bottom:32px}.domain-card{border:1px solid var(--line);background:#fff;border-radius:10px;padding:22px;display:flex;align-items:center;gap:18px;color:inherit;text-align:left}.domain-number{color:#98b09f;font-size:17px}.domain-card h3{font-size:13px;margin:0 0 6px}.domain-card p{font-size:10px;margin:0 0 12px;color:#86968b}.domain-card div>span{font-size:10px;color:var(--green)}.domain-card>.icon{width:17px;margin-left:auto}.domain-card:disabled{background:#f2f5f2;opacity:.65}.profile-head{display:flex;align-items:center;gap:20px;background:white;border:1px solid var(--line);padding:26px;border-radius:12px}.avatar.large{width:60px;height:60px;font-size:24px}.profile-head h2{font-size:20px;margin-bottom:8px}.profile-head p{font-size:12px;color:var(--muted);margin:0}.profile-head button{margin-left:auto}.text-button{display:inline-flex;align-items:center;justify-content:center;gap:8px;background:none;border:0;color:#6a8174;padding:12px;font-size:12px}.text-button:hover{color:var(--green)}.progress-list{background:#fff;border:1px solid var(--line);padding:6px 24px;border-radius:12px}.domain-progress{padding:21px 0;border-bottom:1px solid var(--line);display:grid;grid-template-columns:1fr 180px 40px;gap:20px;align-items:center}.domain-progress:last-child{border:0}.domain-progress b{font-size:12px;display:block}.domain-progress span{font-size:10px;color:var(--muted);display:block;margin-top:7px}.domain-progress strong{font-size:13px;text-align:right}.bar,.session-progress{height:6px;background:#e8eee9;border-radius:6px;overflow:hidden}.bar i,.session-progress i{height:100%;background:#70a77b;border-radius:6px;display:block;transition:width .2s}.settings{display:grid;gap:12px;margin-top:25px;max-width:400px}.settings label{font-size:12px;font-weight:600}.settings select{padding:12px;border-radius:7px;border:1px solid var(--line);background:#fff}.settings p,.muted{font-size:11px;color:var(--muted);line-height:1.6}.ranking-panel{background:#fff;border:1px solid var(--line);border-radius:12px;padding:26px;margin-bottom:18px}.ranking-labels{display:flex;justify-content:space-between;font-size:10px;color:var(--muted);padding:16px 10px;border-bottom:1px solid var(--line)}.ranking-row{display:flex;align-items:center;gap:20px;padding:20px 10px;border-bottom:1px solid var(--line);font-size:13px}.ranking-row:last-child{border:0}.ranking-row>strong{margin-left:auto}.rank-number{font-size:18px;color:#90a88f;min-width:24px}.ranking-row small{font-size:10px;color:var(--muted)}.ranking-row.is-you{background:#eff8ee}.empty-state{text-align:center;padding:40px 16px;color:#8c9b8f}.empty-state>.icon{width:40px;height:40px;margin-bottom:22px}.empty-state h3{font-size:17px;color:#5c7766}.empty-state p{font-size:12px;margin-bottom:0}.login{max-width:none;min-height:100vh;display:flex;flex-direction:column;justify-content:center;align-items:center;background:radial-gradient(ellipse at 70% 10%,#dae9db,transparent 55%),#f4f7f2;padding:30px}.login-brand{font-size:19px;font-weight:650;display:flex;align-items:center;gap:12px;margin-bottom:28px}.login-card{max-width:470px;background:#fff;border:1px solid var(--line);padding:44px;border-radius:20px;box-shadow:0 18px 80px #234c3010}.login h1{font-size:32px;line-height:1.22}.login-card>p:not(.eyebrow){font-size:14px;color:var(--muted);line-height:1.7}.demo-notice{border:1px solid #dae8da;background:#f1f7ed;padding:15px;border-radius:8px;color:#678363;font-size:12px;line-height:1.8;margin:22px 0}.login-card .primary,.login-card .secondary{display:flex;width:100%;justify-content:space-between;margin-bottom:12px}.secondary{border:1px solid var(--line);color:#597665;background:#fff}.login-card>small{display:block;font-size:10px;color:#93a08f;margin-top:24px}.loading{padding:80px;text-align:center;color:var(--muted)}#toast{position:fixed;bottom:24px;left:50%;transform:translateX(-50%);padding:16px 24px;border-radius:10px;background:#213f35;color:white;font-size:13px;box-shadow:0 4px 25px #0002;z-index:20;max-width:calc(100% - 32px);width:max-content}.session-page{min-height:100vh}.session-header{height:80px;padding:0 36px;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;background:#fff;font-size:12px}.session-header>span{font-weight:600}.session-version{color:var(--muted);font-size:11px}.question-wrap{max-width:810px;padding:42px 36px 70px}.question-top{display:flex;justify-content:space-between;align-items:center;font-size:12px;font-weight:600;margin-bottom:14px}.question-top>span:last-child{font-size:11px;color:var(--muted);display:flex;align-items:center;gap:5px;font-weight:450}.question-top .icon{width:15px;height:15px}.question-tags{display:flex;gap:14px;align-items:center;margin:32px 0 20px;font-size:10px;color:var(--muted)}.question-tags>span:first-child{background:#e8f2ea;color:#488068;padding:6px 10px;border-radius:5px}.question-title{font-size:25px;letter-spacing:-.5px;line-height:1.45;font-weight:550;margin-bottom:24px}.selection-hint{font-size:11px;color:var(--muted);margin-bottom:13px}.options{display:grid;gap:12px}.option{background:#fff;border:1px solid #dfe7e0;padding:16px 18px;border-radius:10px;text-align:left;display:flex;align-items:center;gap:16px;color:#52665b;font-size:13px;line-height:1.5;min-height:66px}.option:hover:not(:disabled),.option.selected{border-color:#3e9c7d;background:#f0f7ef}.option-letter{border:1px solid #dfe8df;border-radius:7px;width:30px;height:30px;display:flex;align-items:center;justify-content:center;font-size:11px;font-weight:600;flex-shrink:0}.option.selected .option-letter{background:var(--green);color:#fff;border-color:var(--green)}.option.correct{border-color:#5aab75;background:#edf8ef}.option.incorrect{border-color:#d5a091;background:#fff1eb}.option>.icon{color:#549a67;margin-left:auto}.question-actions{display:flex;align-items:center;justify-content:space-between;gap:18px;margin-top:26px}.question-actions>span{font-size:10px;color:var(--muted);line-height:1.6}.feedback{padding:20px 22px;background:#edf6e9;border:1px solid #d4e7cd;border-radius:10px;margin-top:22px}.feedback.failure{background:#fff5e9;border-color:#efdfc5}.feedback-title{display:flex;align-items:center;gap:9px;color:#538348}.feedback.failure .feedback-title{color:#a07c43}.feedback h2{font-size:14px;margin:0;font-weight:650}.feedback-title>b{margin-left:auto;font-size:11px;white-space:nowrap}.feedback p{font-size:12px;line-height:1.8;color:#64745f;margin:12px 0 0}.question-next{float:right;margin-top:22px}.cli{background:#183630;color:#d1efde;padding:20px;border-radius:9px;font-size:12px;line-height:1.7;white-space:pre-wrap;overflow-wrap:anywhere}.cli>span{color:#7aa48f;font-family:inherit;font-size:9px;letter-spacing:1.6px;display:block;margin-bottom:14px}.topology{display:flex;align-items:center;justify-content:center;padding:20px 12px;background:#fff;border:1px solid var(--line);border-radius:10px;margin-bottom:22px}.network-node{background:#eff5f1;display:grid;justify-items:center;padding:12px;border-radius:7px;color:#6d8b78;gap:8px;font-size:11px;min-width:75px}.wire{width:35px;height:1px;background:#85ae92}.result-wrap{max-width:660px;text-align:center;padding:50px 32px 80px}.result-emblem{margin:0 auto 24px;width:64px;height:64px;background:#e0f1d8;color:#58974a;border-radius:50%;display:flex;align-items:center;justify-content:center}.result-emblem .icon{width:32px;height:32px}.result-wrap h1{font-size:32px}.result-subtitle{color:var(--muted);font-size:13px;line-height:1.7}.result-score{background:#fff;border:1px solid var(--line);border-radius:16px;padding:32px;margin:28px 0 20px}.result-score>strong{display:block;font-size:62px;color:#2d7257;font-weight:550;letter-spacing:-2px}.result-score strong small{font-size:28px;color:#9dac9f;font-weight:350}.result-score>span{font-size:12px;color:var(--muted)}.result-chips{display:flex;justify-content:center;gap:14px;margin-top:22px}.result-chips span{font-size:11px;background:#f0f6e9;color:#71865d;padding:8px 14px;border-radius:20px}.result-readiness{display:flex;align-items:center;justify-content:space-between;padding:18px;background:#e9f2e9;border-radius:10px;font-size:12px;color:#6a8169}.result-readiness b{display:flex;align-items:center;gap:12px;color:#397554;font-size:16px}.result-readiness .icon{width:18px}.result-topics{display:grid;grid-template-columns:1fr 1fr;margin:24px 0;gap:18px;text-align:left}.result-topics span{display:block;font-size:10px;color:var(--muted);margin-bottom:8px}.result-topics b{font-size:13px;font-weight:600}.result-wrap>.primary{width:100%}.result-wrap>.text-button{display:block;margin:10px auto 22px}.review{text-align:left;background:#fff;border:1px solid var(--line);border-radius:10px;margin:20px 0}.review summary{font-size:12px;color:#557861;padding:18px;cursor:pointer}.review article{padding:20px;border-top:1px solid var(--line)}.review article h3{font-size:13px;font-weight:550;line-height:1.6;margin:12px 0}.review article p{font-size:11px;color:var(--muted);line-height:1.8;margin-bottom:10px}.review-status{font-size:10px;font-weight:650}.good{color:#348c5c}.bad{color:#b88240}
@media(min-width:1500px){main{padding-top:54px}.hero{padding:44px 48px}.hero h2{font-size:36px}.mode-card{padding:28px}.stats{padding:28px 8px}}
@media(max-width:1150px){.sidebar{width:210px;padding:32px 18px}.workspace{margin-left:210px}.topbar{padding:0 30px}main{padding:32px 30px 24px}.workspace footer{padding:16px 30px}.hero{padding:30px;grid-template-columns:1.4fr 1fr}.hero h2{font-size:28px}.ring{width:156px;height:156px}.ring strong{font-size:42px}.mode-card{padding:20px 16px}.domain-progress{grid-template-columns:1fr 120px 35px}}
@media(max-width:850px){.sidebar{width:178px;padding:28px 14px}.brand{font-size:17px;gap:6px}.brand-mark{width:32px;height:32px;font-size:25px}.brand-mark span{font-size:15px}.product-tag{font-size:8px;letter-spacing:1px}.workspace{margin-left:178px}.topbar{padding:0 22px;height:72px}main{padding:28px 22px}.hero{padding:25px;gap:14px}.hero h2{font-size:25px}.hero-copy>p{font-size:12px}.ring{width:126px;height:126px;padding:7px}.ring strong{font-size:34px}.ring small{font-size:18px}.ring span{font-size:8px}.ring-caption{font-size:8px}.hero-meta{gap:12px}.primary{padding:14px 16px;gap:12px}.primary.light{font-size:10px}.mode-grid{gap:10px}.mode-card{padding:18px 13px}.mode-card h3{font-size:12px}.stats>div{gap:10px}.stats strong{font-size:22px}.stats .icon{width:20px}.practice-strip{align-items:flex-start;flex-direction:column}.domain-card{padding:18px 13px;gap:12px}.domain-card h3{font-size:12px}.domain-progress{grid-template-columns:1fr 80px 35px}}
@media(max-width:650px){.sidebar{display:none}.workspace{margin:0}.topbar{height:64px;padding:0 20px}.topbar>span{font-size:10px}.top-right{gap:8px}.version-pill{font-size:9px;padding:6px 8px}.demo-badge{font-size:7px;padding:5px}.mobile-nav{display:flex;position:fixed;bottom:0;left:0;right:0;background:#fffffff5;backdrop-filter:blur(12px);border-top:1px solid var(--line);justify-content:space-around;padding:8px 5px max(8px,env(safe-area-inset-bottom));z-index:5}.mobile-nav .nav-item{flex-direction:column;gap:5px;font-size:9px;border-radius:8px;padding:8px 16px}.mobile-nav .icon{width:20px;height:20px}main{padding:28px 20px 24px}h1{font-size:29px}.page-title{margin-bottom:24px}.page-title p{font-size:12px}.eyebrow{font-size:9px}.hero{grid-template-columns:1fr;padding:28px 24px}.hero-copy{z-index:1}.hero h2{font-size:29px}.hero-copy>p{font-size:12px;max-width:280px}.readiness{position:absolute;right:20px;top:22px;padding:0;opacity:.9}.ring{width:63px;height:63px;padding:4px}.ring strong{font-size:21px;letter-spacing:-1px}.ring small{font-size:11px}.ring span,.ring-caption{display:none}.hero-kicker{font-size:8px;max-width:210px;display:block;line-height:1.7;padding-right:30px;min-height:25px}.hero .primary{font-size:10px;width:100%;justify-content:space-between}.hero-meta{justify-content:center;margin-top:16px}.stats{padding:20px 0;margin:16px 0 26px}.stats>div{gap:0}.stats>div>.icon{display:none}.stats strong{font-size:23px;text-align:center}.stats span{font-size:8px;text-align:center}.stats small{font-size:11px}.section-heading h2{font-size:16px}.mode-grid{grid-template-columns:1fr}.mode-card{padding:20px;position:relative;min-height:118px}.tile-icon{float:left;margin:0 16px 30px 0;width:36px;height:36px}.mode-card h3{font-size:14px;margin-top:1px}.mode-card p{font-size:11px;min-height:0;margin-bottom:12px}.card-link{padding-left:52px}.mode-card:not(:has(.tile-icon)){min-height:0}.coverage-note{margin-top:22px}.coverage-note b{font-size:10px}.coverage-note p{font-size:9px}.workspace footer{padding:16px 20px 102px;font-size:9px}.workspace footer>span{font-size:8px}.domain-grid{grid-template-columns:1fr}.domain-card{padding:22px}.domain-card h3{font-size:13px}.practice-strip{padding:24px}.practice-strip h2{font-size:23px}.practice-strip .primary{width:100%}.profile-head{padding:20px;gap:12px;flex-wrap:wrap}.profile-head h2{font-size:17px}.profile-head .avatar{width:44px;height:44px;font-size:20px}.profile-head button{margin-left:0;width:100%;justify-content:flex-start;padding:8px 0 0}.progress-list{padding:6px 18px}.domain-progress{grid-template-columns:1fr 35px;gap:14px}.domain-progress>.bar{grid-row:2;grid-column:1/3;height:4px}.domain-progress strong{grid-column:2;grid-row:1}.ranking-panel{padding:20px}.section-heading>span{font-size:9px}.session-header{height:66px;padding:0 10px;font-size:10px}.session-header .text-button{font-size:10px;padding:10px 6px}.session-header .icon{width:16px}.session-version{padding-right:8px}.question-wrap{padding:26px 20px 70px}.question-title{font-size:22px;line-height:1.45;letter-spacing:-.3px}.question-tags{margin:25px 0 16px;gap:10px;font-size:9px}.option{font-size:12px;padding:14px;gap:12px}.option-letter{width:28px;height:28px}.question-actions{flex-direction:column-reverse;align-items:stretch}.question-actions>span{text-align:center}.question-actions .primary{justify-content:space-between}.feedback{padding:18px}.feedback h2{font-size:12px}.feedback p{font-size:11px}.feedback-title .icon{width:17px}.question-next{width:100%;justify-content:space-between}.topology{padding:16px 7px}.network-node{min-width:54px;padding:10px 7px;font-size:9px}.wire{width:20px}.result-wrap{padding:34px 22px 60px}.result-wrap h1{font-size:27px}.result-readiness{font-size:11px;padding:15px}.result-readiness b{font-size:14px;gap:8px}.login{padding:24px}.login-card{padding:30px 26px}.login h1{font-size:28px}#toast{bottom:90px}}
@media(prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto!important}}
/* Inicio simplificado: una práctica principal y dos alternativas discretas. */
.logout-button{display:inline-flex;align-items:center;justify-content:center;gap:7px;border:1px solid #d7e2db;border-radius:7px;padding:9px 12px;background:#fff;color:#50695d;font-size:12px;font-weight:600;white-space:nowrap}.logout-button:hover{background:#edf4ee;color:#0c7664}.logout-button .icon{width:14px;height:14px}.simple-hero{grid-template-columns:1.5fr 1fr}.practice-illustration{display:flex;align-items:center;justify-content:center}.illustration-card{background:#ffffff0a;border:1px solid #ffffff1c;border-radius:14px;width:205px;padding:25px;transform:rotate(4deg)}.illustration-card>span{font-size:9px;letter-spacing:1.5px;color:#b1d0bf;display:flex;gap:8px;align-items:center}.illustration-card>span .icon{width:15px}.illustration-card>b{display:block;font-size:28px;letter-spacing:-.7px;font-weight:550;line-height:1.35;margin:24px 0}.illustration-card>i{display:flex;align-items:center;gap:6px;font-style:normal;font-size:10px;color:#d5efaa}.illustration-card>i .icon{width:15px;height:15px}.simple-alternatives{display:grid;grid-template-columns:1fr 1fr;gap:16px}.simple-alternatives button{display:flex;align-items:center;gap:12px;padding:20px;background:#fff;border:1px solid var(--line);border-radius:10px;color:#567662;font-size:13px;font-weight:550;text-align:left}.simple-alternatives button>.icon:first-child{color:#81a08b;width:20px}.simple-alternatives button>.icon:last-child{margin-left:auto;width:17px}.simple-alternatives button:disabled{opacity:.55}.new-question-note{font-size:11px;line-height:1.7;color:#809388;margin:22px 0 0}.result-account{display:flex;justify-content:flex-end;padding:20px 30px 0}.mode-grid:has(>button:only-child){grid-template-columns:1fr}.mode-grid:has(>button:nth-child(2):last-child){grid-template-columns:repeat(2,1fr)}
@media(max-width:850px){.topbar>span{display:none}.top-right{width:100%;justify-content:flex-end}.practice-illustration{display:none}.simple-hero{grid-template-columns:1fr}.simple-hero .hero-kicker{max-width:none;padding:0}.simple-hero .hero-copy>p{max-width:420px}.simple-hero .hero-meta{flex-wrap:wrap}.simple-alternatives button{font-size:12px;padding:17px}}
@media(max-width:650px){.topbar{padding:0 16px}.top-right{justify-content:space-between;gap:8px}.logout-button{font-size:11px;padding:8px 10px}.simple-hero h2{font-size:29px}.simple-hero .hero-copy>p{max-width:none}.simple-alternatives{grid-template-columns:1fr;gap:12px}.simple-alternatives button{padding:20px}.simple-hero .hero-meta{font-size:9px;gap:12px;justify-content:flex-start}.new-question-note{font-size:10px}.session-header>span{font-size:10px}.mode-grid:has(>button:nth-child(2):last-child){grid-template-columns:1fr}}
.simulation-card{display:flex;align-items:center;gap:18px;margin-top:18px;padding:22px;background:#fff;border:1px solid var(--line);border-radius:11px}.simulation-card .tile-icon{margin:0;flex-shrink:0}.simulation-card h3{font-size:14px;margin:0 0 8px}.simulation-card p{font-size:11px;margin:0;color:var(--muted)}.simulation-card .secondary{margin-left:auto;font-size:11px;padding:11px 16px;min-height:42px;white-space:nowrap}.simulation-intro{background:#fff;padding:32px;border:1px solid var(--line);border-radius:14px;max-width:760px}.simulation-facts{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;padding:12px 0 28px;margin-bottom:26px;border-bottom:1px solid var(--line)}.simulation-facts strong{display:block;font-size:32px;font-weight:600;color:#27715a}.simulation-facts span{display:block;font-size:11px;color:var(--muted);margin-top:8px}.simulation-intro>p{font-size:13px;line-height:1.8;color:#708374;max-width:600px}.simulation-intro>small{display:block;color:#8b978d;font-size:10px;line-height:1.7;margin-top:20px}.simulation-shortage{padding:14px;background:#fbf4e8;border-radius:8px}
@media(max-width:650px){.simulation-card{padding:20px;gap:14px;flex-wrap:wrap}.simulation-card .secondary{margin:4px 0 0;width:100%;justify-content:space-between}.simulation-card p{font-size:10px}.simulation-intro{padding:24px}.simulation-facts{gap:12px}.simulation-facts strong{font-size:29px}.simulation-facts span{font-size:10px}.simulation-intro>.primary{width:100%;justify-content:space-between}}

/* Identidad eClassVirtual: blanco, azul, naranja y azul oscuro. */
:root{--blue:#00a5f8;--orange:#ff5019;--navy:#0a2b3d;--green:#007bb9;--ink:var(--navy);--muted:#617585;--line:#e0e9ef;color:var(--navy);background:#fff}
body,.workspace,.login{background:#fff}.topbar{background:#fff}.brand-logo{width:44px;height:44px;overflow:hidden;display:inline-block;flex-shrink:0}.brand-logo img{display:block;width:66px;height:66px;max-width:none;transform:translate(-11px,-11px)}.brand{gap:7px;font-size:19px;letter-spacing:-.7px;color:var(--navy)}.brand-light{color:#007bb9;font-weight:650}.product-tag{color:#617585}.mobile-brand{display:none}.login-brand .brand-logo{width:64px;height:64px}.login-brand .brand-logo img{width:96px;height:96px;transform:translate(-16px,-16px)}
.nav-item{color:#617585}.nav-item.active{background:#edf8ff;color:#006da3;box-shadow:inset 3px 0 var(--blue)}.nav-item:hover{color:#006da3}.avatar{background:#edf8ff;color:#006da3}.small-status{color:#617585}.small-status i{background:var(--orange)}.student b{color:var(--navy)}.eyebrow{color:#007bb9}.greeting-dot{color:var(--orange)}.version-pill{border-color:var(--line);color:#496376}.demo-badge{color:#944019;background:#fff1e9}.logout-button{color:#496376;border-color:var(--line)}.logout-button:hover{background:#edf8ff;color:#006da3}
.hero{background:#fff;color:var(--navy);border:1px solid #c5e9fc;border-top:4px solid var(--blue);box-shadow:0 8px 32px #0a2b3d06}.hero:after{width:300px;height:300px;right:-100px;top:-120px;border:42px solid #edf8ff}.hero-copy,.practice-illustration{z-index:1}.hero-kicker{color:#007bb9}.hero h2{font-weight:700}.hero-copy>p{color:#617585}.hero-meta{color:#617585}.primary,.primary.light{background:var(--orange);color:#fff;box-shadow:0 4px 12px #ff50191c}.primary:hover,.primary.light:hover{background:#d83b0b}.primary.light{letter-spacing:.4px}.illustration-card{background:var(--navy);border:0;width:220px;border-radius:22px 22px 60px 22px;box-shadow:12px 12px 0 #edf8ff;transform:rotate(3deg);position:relative}.illustration-card:after{content:"";position:absolute;width:22px;height:22px;background:var(--orange);border:5px solid white;border-radius:50%;right:-8px;top:24px}.illustration-card>span{color:#80d5ff}.illustration-card>b{color:white;font-weight:650}.illustration-card>i{color:#80d5ff}.stats .icon{color:#007bb9}.stats>div:first-child .icon{color:var(--orange)}.simple-alternatives button{color:var(--navy)}.simple-alternatives button:hover,.mode-card:hover:not(:disabled),.domain-card:hover:not(:disabled){border-color:var(--blue);box-shadow:0 4px 16px #00a5f80d}.simple-alternatives button>.icon:first-child{color:#007bb9}.tile-icon,.tile-icon.blue{background:#edf8ff;color:#007bb9}.tile-icon.amber{background:#fff1e9;color:#d83b0b}.secondary{color:#006da3;border-color:#c5e9fc}.secondary:hover{background:#edf8ff}.new-question-note,.coverage-note,.coverage-note b{color:#617585}.practice-strip{background:#f4fbff;border-color:#c5e9fc}.practice-strip .hero-kicker{color:#007bb9}.practice-strip p{color:#617585}.domain-number{color:#007bb9}.domain-card div>span,.simulation-facts strong{color:#007bb9}.text-button{color:#496376}.bar,.session-progress{background:#e5f2fa}.bar i,.session-progress i{background:var(--blue)}.question-tags>span:first-child{background:#edf8ff;color:#006da3}.option{color:var(--navy);border-color:var(--line)}.option:hover:not(:disabled),.option.selected{border-color:var(--blue);background:#f4fbff}.cli{background:var(--navy);color:#e1f5ff}.cli>span{color:#80d5ff}.network-node{background:#edf8ff;color:#006da3}.wire{background:var(--blue)}.result-score>strong{color:#007bb9}.result-chips span{background:#edf8ff;color:#006da3}.result-readiness{background:#edf8ff;color:#496376}.result-readiness b{color:#006da3}.review summary{color:#006da3}.demo-notice{background:#f4fbff;border-color:#c5e9fc;color:#496376}#toast{background:var(--navy)}button:focus-visible,a:focus-visible,summary:focus-visible,select:focus-visible{outline-color:var(--blue)}
.ranking-panel{border-top:4px solid var(--blue)}.ranking-intro{font-size:12px;line-height:1.7;color:var(--muted);margin:0 0 8px}.ranking-row{border-radius:8px;gap:16px}.ranking-row.is-you{background:#f0f9ff}.rank-number{color:#007bb9;width:32px;font-weight:700}.ranking-row:first-of-type .rank-number{color:var(--orange)}.rank-student{display:grid;gap:7px}.rank-student>span{font-weight:650}.rank-student>small{font-size:10px}.you-badge{display:inline-block;background:#d9f0ff;color:#006da3!important;padding:3px 7px;border-radius:4px;margin-left:6px}.ranking-row>strong{color:var(--navy);font-size:21px;white-space:nowrap}.ranking-row>strong small{font-size:10px;color:#007bb9}
@media(max-width:850px){.brand{font-size:15px;gap:2px}.brand-logo{width:34px;height:34px}.brand-logo img{width:51px;height:51px;transform:translate(-8.5px,-8.5px)}.top-right{width:auto}.hero:after{right:-180px;top:-150px}}
@media(max-width:650px){.mobile-brand{display:flex;align-items:center}.topbar{gap:10px}.top-right{flex:1;justify-content:flex-end;gap:10px}.topbar .demo-badge{display:none}.mobile-nav .nav-item.active{box-shadow:inset 0 -3px var(--blue)}.hero{padding:26px 22px}.hero h2{font-size:28px}.ranking-row{gap:9px;padding:18px 7px}.rank-number{width:22px;min-width:22px}.ranking-row>strong{font-size:18px}.ranking-panel .section-heading{align-items:flex-start;gap:10px}.ranking-panel .section-heading>span{text-align:right}.rank-student>small{font-size:9px}.login{background:#fff}.login-card{border-top:4px solid var(--blue)}}