:root{
  --bg:#f4f7fb;--card:#fff;--ink:#122033;--muted:#607188;--line:#e6edf5;
  --brand:#17365d;--brand2:#2e63a8;--soft:#eef4ff;--shadow:0 10px 30px rgba(15,23,42,.07);
  --r:22px;
}
*{box-sizing:border-box} html{scroll-behavior:smooth}
body{margin:0;font-family:Inter,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",Arial,sans-serif;background:var(--bg);color:var(--ink)}
img{max-width:100%;display:block}
button,input{font:inherit} button{cursor:pointer}
.layout{display:grid;grid-template-columns:280px 1fr;min-height:100vh}
.sidebar{background:linear-gradient(180deg,#102b4b,#17365d 55%,#1f4e85);color:#fff;padding:22px 18px;position:sticky;top:0;height:100vh}
.brand{display:flex;gap:12px;align-items:center;margin-bottom:26px}
.brand-logo{width:50px;height:50px;border-radius:16px;background:#fff;color:#17365d;display:grid;place-items:center;font-weight:800}
.brand h1{font-size:16px;margin:0}
.brand p{margin:3px 0 0;color:#cde1fb;font-size:12px}
.nav{display:grid;gap:7px}
.nav button{border:0;background:transparent;color:#dbe8f8;text-align:left;padding:12px 14px;border-radius:14px;font-weight:600}
.nav button:hover,.nav button.active{background:rgba(255,255,255,.12);color:#fff}
.side-foot{position:absolute;left:18px;right:18px;bottom:18px;background:rgba(255,255,255,.10);border:1px solid rgba(255,255,255,.12);border-radius:18px;padding:14px}
.side-foot p{margin:7px 0 0;font-size:13px;color:#e6f0fb;line-height:1.45}
.main{padding:26px;max-width:1500px}
.mobile-head{display:none}
.eyebrow{font-size:12px;font-weight:800;color:#2e63a8;letter-spacing:.08em}
.topbar{display:flex;justify-content:space-between;gap:16px;align-items:flex-start;margin-bottom:18px}
.topbar h2{margin:4px 0 8px;font-size:30px}
.lead{margin:0;color:var(--muted);line-height:1.5}
.top-actions{display:flex;gap:10px}
.btn{border:1px solid var(--line);background:#fff;border-radius:14px;padding:11px 15px;font-weight:700;color:var(--ink)}
.btn.primary{background:var(--brand);border-color:var(--brand);color:#fff}
.btn.small{padding:9px 12px;font-size:13px}
.hero{display:grid;grid-template-columns:1.05fr .95fr;gap:18px;background:linear-gradient(135deg,#17365d,#2e63a8);border-radius:28px;padding:22px;color:#fff;box-shadow:var(--shadow)}
.hero img{border-radius:22px}
.hero h3{margin:0 0 10px;font-size:34px}
.hero p{margin:0;color:#e6eef9;line-height:1.6}
.hero-chips{display:flex;gap:8px;flex-wrap:wrap;margin-top:16px}
.hero-chips span{background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.16);padding:8px 10px;border-radius:999px;font-size:13px}
.stats{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:14px;margin:18px 0}
.stat{background:var(--card);border:1px solid var(--line);border-radius:20px;padding:18px;box-shadow:var(--shadow)}
.stat strong{font-size:30px;display:block;margin-top:4px}
.stat span{color:var(--muted);font-size:13px}
.section-head{display:flex;justify-content:space-between;align-items:end;margin:30px 0 14px}
.section-head h3{margin:0}
.section-head p{margin:5px 0 0;color:var(--muted)}
.pill-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:10px}
.pill{background:#fff;border:1px solid var(--line);border-radius:16px;padding:12px 14px;box-shadow:var(--shadow);font-weight:600}
.module-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
.module-card{background:#fff;border:1px solid var(--line);border-radius:22px;box-shadow:var(--shadow);padding:18px;display:flex;flex-direction:column;gap:14px}
.module-card .top{display:flex;justify-content:space-between;align-items:flex-start;gap:12px}
.module-card .icon{width:48px;height:48px;border-radius:16px;background:var(--mod-soft,#eef4ff);display:grid;place-items:center;font-size:24px}
.code{font-size:12px;font-weight:800;color:var(--brand2)}
.badge{display:inline-block;background:#f5f7fb;border:1px solid var(--line);padding:6px 10px;border-radius:999px;font-size:12px;color:#415168}
.module-card h4{margin:0;font-size:18px}
.module-card p{margin:0;color:var(--muted);line-height:1.45}
.hours{display:flex;gap:8px;flex-wrap:wrap}
.hours span{background:var(--soft);color:#1b3e73;border-radius:999px;padding:7px 10px;font-size:12px;font-weight:700}
.card-actions{display:flex;gap:10px;margin-top:auto}
.card-actions .btn{flex:1}
.search{position:relative;width:min(420px,100%)}
.search span{position:absolute;left:14px;top:11px}
.search input{width:100%;border:1px solid var(--line);background:#fff;padding:12px 14px 12px 38px;border-radius:14px;outline:none}
.detail{margin-top:18px;background:#fff;border:1px solid var(--line);border-radius:26px;box-shadow:var(--shadow);overflow:hidden}
.detail-head{display:grid;grid-template-columns:1.2fr .8fr;gap:20px;padding:22px;background:linear-gradient(135deg,#102b4b,#244d83);color:#fff}
.detail-head img{border-radius:18px}
.detail-title h3{margin:6px 0 10px;font-size:34px}
.detail-title p{color:#dbe7f5;line-height:1.6}
.detail-body{padding:22px}
.tabs{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:18px}
.tabs button{border:1px solid var(--line);background:#fff;padding:10px 12px;border-radius:12px;font-weight:700}
.tabs button.active{background:#17365d;color:#fff;border-color:#17365d}
.tab-pane{display:none}
.tab-pane.active{display:block}
.kv{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;margin-bottom:18px}
.kv .box{border:1px solid var(--line);background:#f8fbff;border-radius:18px;padding:14px}
.kv .box strong{display:block;font-size:22px;margin-top:5px}
.list{display:grid;gap:12px}
.note-card,.video-card,.source-card,.test-card{background:#fff;border:1px solid var(--line);border-radius:20px;box-shadow:var(--shadow);padding:18px}
.note-card h4,.video-card h4,.source-card h4,.test-card h4{margin:0 0 8px}
.note-card p,.video-card p,.source-card p{margin:0;color:var(--muted);line-height:1.55}
.note-meta{margin-top:10px;font-size:12px;color:#6f8097;font-weight:700}
.stack{display:grid;gap:14px}
.note-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}
.scheme-wrap{display:grid;gap:16px}
.gallery{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}
.gallery-item{background:#fff;border:1px solid var(--line);border-radius:22px;box-shadow:var(--shadow);overflow:hidden}
.gallery-copy{padding:16px}
.video-top{display:flex;justify-content:space-between;align-items:flex-start;gap:12px}
.kind{font-size:12px;padding:6px 10px;border-radius:999px;background:#f3f7ff;border:1px solid var(--line);color:#355d99;font-weight:800}
.work-list,.unit-list,.source-list{display:grid;gap:10px}
.work-list li,.unit-list li,.source-list li{line-height:1.5}
.test-q{padding:14px;border:1px solid var(--line);border-radius:16px;background:#fcfdff;margin-top:12px}
.answers{display:grid;gap:8px;margin-top:10px}
.answer{border:1px solid var(--line);background:#fff;border-radius:12px;padding:10px 12px;text-align:left}
.answer.good{background:#eefbf3;border-color:#75be98}
.answer.bad{background:#fff1f1;border-color:#dfa0a0}
.test-header{display:flex;justify-content:space-between;align-items:center}
.progress-line{height:10px;background:#ebf0f6;border-radius:999px;overflow:hidden;margin-top:10px}
.progress-line span{display:block;height:100%;width:0;background:#2e63a8}
.hidden{display:none!important}
.mobile-nav{display:none}

/* Navegación entre pantallas */
.view{display:none}
.view.active{display:block}


/* Esquemas responsivos: evita cualquier solapamiento de texto */
.scheme-header{background:#f8fbff;border:1px solid var(--line);border-radius:20px;padding:18px}
.scheme-header h4{margin:5px 0 7px;font-size:22px}
.scheme-header p{margin:0;color:var(--muted);line-height:1.5}
.scheme-steps{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}
.scheme-step{display:flex;align-items:flex-start;gap:13px;min-width:0;background:#fff;border:1px solid var(--line);border-left:5px solid var(--step-color,#2e63a8);border-radius:18px;padding:15px;box-shadow:var(--shadow)}
.step-number{flex:0 0 38px;width:38px;height:38px;border-radius:12px;background:color-mix(in srgb,var(--step-color,#2e63a8) 12%, white);color:var(--step-color,#2e63a8);display:grid;place-items:center;font-weight:900;font-size:16px}
.step-copy{min-width:0;display:grid;gap:4px}
.step-copy span{font-size:11px;letter-spacing:.06em;text-transform:uppercase;color:var(--muted);font-weight:800}
.step-copy strong{display:block;font-size:16px;line-height:1.35;overflow-wrap:anywhere;word-break:normal}

@media (max-width:1200px){
  .module-grid,.gallery,.pill-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .stats{grid-template-columns:repeat(3,minmax(0,1fr))}
}
@media (max-width:820px){
  .layout{display:block}
  .sidebar{display:none}
  .main{padding:16px;padding-bottom:86px}
  .mobile-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:12px}
  .hero,.detail-head,.topbar,.note-grid,.kv,.stats,.module-grid,.gallery,.pill-grid{grid-template-columns:1fr}
  .scheme-steps{grid-template-columns:1fr}
  .scheme-step{padding:14px}
  .step-copy strong{font-size:15px}
  .topbar{display:grid}
  .top-actions{width:100%}
  .top-actions .btn{flex:1}
  .detail-title h3{font-size:28px}
  .hero h3{font-size:28px}
  .mobile-nav{display:grid;grid-template-columns:repeat(5,1fr);gap:6px;position:fixed;left:10px;right:10px;bottom:10px;background:#102b4b;border-radius:18px;padding:8px;box-shadow:0 16px 35px rgba(0,0,0,.28);z-index:50}
  .mobile-nav button{border:0;background:transparent;color:#dbe8f8;padding:8px 4px;border-radius:12px;font-size:11px;display:grid;gap:4px;place-items:center}
  .mobile-nav button.active{background:rgba(255,255,255,.12);color:#fff}
  .mobile-nav span{display:block;font-size:10px}
}
\n\n/* V3.3 · Esquemas interactivos */
.scheme-step.interactive{padding:0;overflow:hidden;transition:box-shadow .2s ease,transform .2s ease}
.scheme-step-toggle{width:100%;display:grid;grid-template-columns:auto 1fr auto;gap:16px;align-items:center;text-align:left;border:0;background:transparent;padding:18px 20px;color:inherit;cursor:pointer}
.scheme-step-toggle:active{transform:scale(.997)}
.step-copy small{display:block;margin-top:7px;color:#74869d;font-size:12px;font-weight:700}
.step-chevron{font-size:28px;line-height:1;color:var(--step-color,#2e63a8);transition:transform .2s ease}
.scheme-step.open .step-chevron{transform:rotate(180deg)}
.scheme-step.open{box-shadow:0 14px 34px rgba(15,23,42,.10)}
.scheme-step-detail{border-top:1px solid var(--line);padding:18px 20px 20px 92px;background:#fbfdff;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
.scheme-step-detail[hidden]{display:none!important}
.scheme-step-detail>div{background:#fff;border:1px solid var(--line);border-radius:14px;padding:13px}
.scheme-step-detail b{display:block;color:#244d83;font-size:13px;margin-bottom:5px}
.scheme-step-detail p{margin:0;color:#53677f;line-height:1.5;font-size:14px}
.scheme-step-detail .scheme-tip{background:#fff9e9;border-color:#f1dfae}
.scheme-step-detail .scheme-tip b{color:#8a6111}
@media(max-width:820px){
 .scheme-step-toggle{grid-template-columns:auto 1fr auto;padding:16px 15px;gap:12px}
 .scheme-step-detail{padding:14px;grid-template-columns:1fr}
 .step-copy small{font-size:11px}
 .step-chevron{font-size:24px}
}


/* ================= V4 ================= */
.card{background:#fff;border:1px solid var(--line);border-radius:20px;box-shadow:var(--shadow);padding:18px}
.quick-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px;margin:18px 0}
.quick-card{border:1px solid var(--line);background:#fff;border-radius:20px;padding:18px;text-align:left;box-shadow:var(--shadow);display:grid;gap:6px;transition:.2s ease}
.quick-card:hover{transform:translateY(-2px)}
.quick-card span{font-size:25px}.quick-card b{font-size:16px}.quick-card small{color:var(--muted);line-height:1.4}
.module-meta{display:flex;gap:8px;flex-wrap:wrap}.module-meta span{font-size:12px;font-weight:700;color:#53677f;background:#f7f9fc;border:1px solid var(--line);padding:6px 9px;border-radius:999px}
.filter-row{display:flex;justify-content:flex-end;margin:-4px 0 16px}.filter-row select,.test-launcher select{border:1px solid var(--line);background:#fff;border-radius:12px;padding:11px 12px;color:var(--ink)}
.test-launcher{display:grid;grid-template-columns:1fr 1fr auto;gap:14px;align-items:end;margin-bottom:18px}
.test-launcher label{display:grid;gap:7px;font-weight:800;font-size:13px}
.active-test{margin-top:18px}.test-header{display:flex;justify-content:space-between;gap:16px;align-items:flex-start}.test-header h3{margin:4px 0}.test-header p{margin:0;color:var(--muted)}
.score{font-weight:900;font-size:22px;background:#eef4ff;border-radius:14px;padding:10px 14px;color:#17365d}
.result-card{margin-top:18px;padding:18px;border-radius:16px;background:#eef8f2;border:1px solid #cfe6d8}
.result-card h3{margin:0 0 6px}.result-card p{margin:0 0 12px}
.linkbtn{display:inline-block;text-decoration:none;margin-top:12px}
.resource-list{display:grid;gap:9px;margin-top:12px}.resource-list a{display:grid;text-decoration:none;color:#17365d;border:1px solid var(--line);border-radius:14px;padding:12px;background:#fbfdff;font-weight:800}.resource-list small{display:block;color:var(--muted);font-weight:500;margin-top:4px}
.module-test-launch{padding:18px;background:#f8fbff;border:1px solid var(--line);border-radius:18px}
.teacher-layout{display:grid;grid-template-columns:1.35fr .65fr;gap:18px}
.teacher-card{background:#fff;border:1px solid var(--line);border-radius:24px;box-shadow:var(--shadow);padding:18px}
.teacher-head{display:flex;align-items:center;gap:12px;border-bottom:1px solid var(--line);padding-bottom:14px}
.teacher-head h3{margin:0}.teacher-head p{margin:3px 0 0;color:var(--muted);font-size:13px}.teacher-avatar{width:52px;height:52px;border-radius:16px;background:#eef4ff;display:grid;place-items:center;font-size:26px}
.status-pill{margin-left:auto;font-size:12px;font-weight:800;border-radius:999px;padding:6px 9px;background:#f4f6f9;color:#607188}.status-pill.ok{background:#eaf8ef;color:#16784e}.status-pill.warn{background:#fff5dc;color:#8a661a}
.chat-messages{min-height:280px;max-height:520px;overflow:auto;padding:16px 2px;display:grid;gap:10px;align-content:start}
.msg{max-width:88%;padding:11px 13px;border-radius:15px;line-height:1.5;white-space:pre-wrap}.msg.assistant{background:#f1f5fb;color:#1f3551;border-bottom-left-radius:5px}.msg.user{background:#17365d;color:#fff;margin-left:auto;border-bottom-right-radius:5px}.msg.loading{opacity:.7}
.suggestions{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:12px}.suggestions button{border:1px solid var(--line);background:#fff;border-radius:999px;padding:8px 10px;font-size:12px;color:#355d99}
.chat-form{display:grid;grid-template-columns:1fr auto;gap:10px;align-items:end}.chat-form textarea{resize:vertical;min-height:72px;border:1px solid var(--line);border-radius:14px;padding:12px;font:inherit}
.ai-note{font-size:11px;color:var(--muted);margin:10px 0 0}.chatgpt-link{display:inline-block;text-decoration:none;justify-self:start}
.teacher-info h3{margin-top:0}.teacher-info p{color:var(--muted);line-height:1.55}
@media(max-width:1200px){.quick-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:820px){
  .quick-grid,.teacher-layout,.test-launcher{grid-template-columns:1fr}
  .teacher-info{display:none}
  .filter-row{justify-content:stretch}.filter-row select{width:100%}
  .chat-form{grid-template-columns:1fr}.chat-form .btn{width:100%}
  .msg{max-width:94%}
  .mobile-nav{grid-template-columns:repeat(5,1fr)}
}

/* ===== Profesor IA V4.1 ===== */
.teacher-access{display:grid;gap:10px;background:#f8fbff;border:1px solid var(--line);border-radius:16px;padding:13px;margin:14px 0 2px}
.teacher-access small{display:block;color:var(--muted);margin-top:4px;line-height:1.4}
.access-row{display:grid;grid-template-columns:1fr auto auto;gap:8px}
.access-row input{border:1px solid var(--line);border-radius:12px;padding:10px 12px;font:inherit;min-width:0}
.btn.ghost{background:#fff;color:#52657c}
.teacher-chat-actions{display:flex;justify-content:space-between;align-items:center;gap:10px;margin-top:10px;color:var(--muted);font-size:11px}
@media(max-width:820px){.access-row{grid-template-columns:1fr 1fr}.access-row input{grid-column:1/-1}.teacher-chat-actions{align-items:flex-start;flex-direction:column}}

/* ===== V4.2 · Profesor IA local ===== */
.local-ai-setup{display:grid;grid-template-columns:1fr auto;gap:12px;align-items:center;background:#f5f9ff;border:1px solid var(--line);border-radius:16px;padding:14px;margin:14px 0 2px}
.local-ai-copy small{display:block;color:var(--muted);line-height:1.45;margin-top:4px}
.ai-load{grid-column:1/-1}.ai-load.hidden{display:none}.ai-load small{display:block;color:var(--muted);margin-top:6px}
@media(max-width:820px){.local-ai-setup{grid-template-columns:1fr}.local-ai-setup .btn{width:100%}}


/* ===== V5 · Centro práctico ===== */
.feature-grid{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:12px;margin-bottom:18px}
.feature-card{border:1px solid var(--line);background:#fff;border-radius:21px;padding:16px;text-align:left;box-shadow:var(--shadow);display:grid;grid-template-columns:auto 1fr;gap:12px;position:relative;min-height:132px;transition:transform .18s ease,box-shadow .18s ease}
.feature-card:hover{transform:translateY(-3px);box-shadow:0 15px 34px rgba(15,23,42,.11)}
.feature-icon{width:44px;height:44px;border-radius:14px;background:#eef4ff;display:grid;place-items:center;font-size:22px}
.feature-card div{display:grid;align-content:start;gap:5px}.feature-card b{font-size:15px}.feature-card small{color:var(--muted);line-height:1.35}
.feature-card em{grid-column:1/-1;color:#2e63a8;font-size:12px;font-style:normal;font-weight:800;align-self:end}
.home-progress{background:linear-gradient(135deg,#f8fbff,#edf4ff);border:1px solid #dce8f7;border-radius:22px;padding:18px;display:flex;justify-content:space-between;gap:20px;align-items:center;margin:16px 0 24px}
.home-progress h3{margin:5px 0 6px}.home-progress p{margin:0;color:var(--muted)}
.home-progress-actions{display:grid;gap:8px;justify-items:end}.home-progress-actions span{font-size:11px;color:var(--muted);font-weight:700}

/* toolbar */
.tool-toolbar{display:grid;grid-template-columns:1fr 1fr auto;gap:12px;align-items:end}
.tool-toolbar label{display:grid;gap:7px;font-weight:800;font-size:13px}.tool-toolbar select{border:1px solid var(--line);border-radius:12px;padding:11px;background:#fff}
.mini-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin:14px 0}.mini-stats div{background:#fff;border:1px solid var(--line);border-radius:16px;padding:14px;box-shadow:var(--shadow)}.mini-stats small{color:var(--muted);display:block}.mini-stats strong{font-size:24px;margin-top:4px;display:block}

/* simulador */
.simulator-stage{margin-top:14px}.scenario-card{background:#fff;border:1px solid var(--line);border-radius:26px;box-shadow:var(--shadow);overflow:hidden;max-width:900px;margin:auto}
.scenario-top{padding:15px 20px;background:#f7faff;border-bottom:1px solid var(--line);display:flex;justify-content:space-between;gap:12px;align-items:center}.scenario-top>div{display:flex;gap:10px;align-items:center;flex-wrap:wrap}
.scenario-badge,.scenario-area{font-size:11px;font-weight:900;border-radius:999px;padding:6px 9px}.scenario-badge{background:#fff4d7;color:#8a6516}.scenario-area{background:#edf4ff;color:#2e63a8}
.scenario-body{padding:24px}.office-case-icon{width:56px;height:56px;border-radius:18px;background:#eef4ff;display:grid;place-items:center;font-size:28px;margin-bottom:12px}.scenario-body h3{font-size:26px;margin:0 0 8px}.scenario-body>p{font-size:17px;line-height:1.6;color:#455a73;margin:0 0 20px}
.scenario-answers{display:grid;gap:10px}.scenario-answers button{border:1px solid var(--line);background:#fff;border-radius:14px;padding:14px 15px;text-align:left;color:var(--ink);font-weight:650;line-height:1.4}.scenario-answers button:hover{border-color:#9fb9dc;background:#f8fbff}.scenario-answers button.good{background:#eefbf3;border-color:#63b589}.scenario-answers button.bad{background:#fff1f1;border-color:#d98989}
.scenario-feedback{margin-top:16px;border-radius:16px;padding:16px}.scenario-feedback.success{background:#eefbf3;border:1px solid #c9e7d5}.scenario-feedback.review{background:#fff8e7;border:1px solid #ecdcae}.scenario-feedback h4{margin:0 0 7px}.scenario-feedback p{margin:0 0 10px;line-height:1.55}.scenario-feedback .btn{margin-top:14px}

/* examen */
.exam-setup{display:grid;gap:18px}.exam-intro{display:flex;gap:15px;align-items:center}.big-icon{width:58px;height:58px;border-radius:18px;background:#eef4ff;display:grid;place-items:center;font-size:28px}.exam-intro h3{margin:0}.exam-intro p{margin:5px 0 0;color:var(--muted)}
.exam-options{display:grid;grid-template-columns:1fr 1fr auto;gap:12px;align-items:end}.exam-options label{display:grid;gap:6px;font-size:13px;font-weight:800}.exam-options select{padding:11px;border:1px solid var(--line);border-radius:12px;background:#fff}.exam-rules{display:flex;gap:8px;flex-wrap:wrap}.exam-rules span{background:#f6f9fd;border:1px solid var(--line);padding:7px 10px;border-radius:999px;font-size:12px;color:#53677f;font-weight:700}
.exam-card{margin-top:18px;background:#fff;border:1px solid var(--line);border-radius:24px;box-shadow:var(--shadow);overflow:hidden}.exam-sticky{position:sticky;top:0;z-index:12;background:rgba(255,255,255,.96);backdrop-filter:blur(8px);padding:14px 18px;display:flex;justify-content:space-between;align-items:center;gap:12px;border-bottom:1px solid var(--line)}.exam-timer{font-size:24px;font-weight:900;color:#17365d;font-variant-numeric:tabular-nums}
.exam-progress{height:7px;background:#edf1f6}.exam-progress span{display:block;height:100%;background:#2e63a8;width:0;transition:width .2s}
.exam-questions{padding:18px;display:grid;gap:14px}.exam-q{border:1px solid var(--line);border-radius:18px;padding:16px}.exam-q-head{display:flex;align-items:center;gap:10px;margin-bottom:8px}.exam-q-head>span{width:30px;height:30px;border-radius:10px;background:#17365d;color:#fff;display:grid;place-items:center;font-weight:900}.exam-q-head small{color:var(--muted);font-weight:700}.exam-answers{display:grid;gap:8px;margin-top:12px}.exam-answers button{border:1px solid var(--line);background:#fff;border-radius:12px;padding:11px 12px;text-align:left}.exam-answers button.selected{border-color:#2e63a8;background:#eef4ff;box-shadow:inset 0 0 0 1px #2e63a8}.exam-answers button.good{background:#eefbf3;border-color:#63b589}.exam-answers button.bad{background:#fff1f1;border-color:#d98989}
.exam-bottom{padding:16px 18px;border-top:1px solid var(--line);display:flex;justify-content:space-between;align-items:center}.exam-bottom span{color:var(--muted);font-weight:700}
.exam-result{margin:18px;border-radius:20px;background:#f7faff;border:1px solid #dce8f7;padding:20px;display:grid;grid-template-columns:auto 1fr;gap:18px}.exam-score-circle{width:110px;height:110px;border-radius:50%;background:#17365d;color:#fff;display:grid;place-items:center;align-content:center}.exam-score-circle strong{font-size:30px}.exam-score-circle span{font-size:12px}.exam-result-copy h3{margin:5px 0}.exam-result-copy p{color:var(--muted);margin:0}
.exam-breakdown{grid-column:1/-1;display:grid;grid-template-columns:repeat(2,1fr);gap:10px}.exam-breakdown>div{background:#fff;border:1px solid var(--line);border-radius:13px;padding:10px}.exam-breakdown>div>span{display:block;font-size:12px;color:#53677f}.exam-breakdown b{display:block;margin:4px 0}.mini-bar{height:6px;background:#edf1f6;border-radius:999px;overflow:hidden}.mini-bar i{display:block;height:100%;background:#2e63a8}.exam-result-actions{grid-column:1/-1;display:flex;gap:10px}

/* progreso */
.progress-summary{display:grid;grid-template-columns:repeat(5,1fr);gap:12px}.progress-stat{background:#fff;border:1px solid var(--line);border-radius:20px;padding:16px;box-shadow:var(--shadow);display:grid;gap:5px}.progress-stat>span{font-size:24px}.progress-stat small{color:var(--muted)}.progress-stat strong{font-size:24px}
.module-progress-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}.module-progress-card{background:#fff;border:1px solid var(--line);border-radius:19px;padding:16px;box-shadow:var(--shadow)}.mp-head{display:flex;justify-content:space-between;gap:12px;align-items:flex-start}.mp-head h4{margin:3px 0 0}.mp-head>strong{font-size:24px;color:#17365d}.mastery-bar{height:10px;background:#edf1f6;border-radius:999px;overflow:hidden;margin:14px 0}.mastery-bar span{display:block;height:100%;background:linear-gradient(90deg,#2e63a8,#4b8ad9);border-radius:999px}.mp-foot{display:flex;justify-content:space-between;align-items:center;font-size:12px;color:var(--muted)}.mp-foot button{border:0;background:none;color:#2e63a8;font-weight:800}
.activity-list{display:grid;gap:9px}.activity-item{background:#fff;border:1px solid var(--line);border-radius:16px;padding:12px 14px;display:grid;grid-template-columns:auto 1fr auto;gap:12px;align-items:center}.activity-icon{width:40px;height:40px;background:#f3f7ff;border-radius:12px;display:grid;place-items:center}.activity-item p{margin:2px 0;color:#53677f}.activity-item small{color:#8a98aa}.activity-item>strong{font-size:18px;color:#17365d}.empty-state{background:#fff;border:1px dashed #cbd7e6;border-radius:18px;padding:24px;color:var(--muted);text-align:center}

/* buscador */
.search-hero{background:linear-gradient(135deg,#102b4b,#2e63a8);border-radius:28px;padding:26px;color:#fff}.search-hero .eyebrow{color:#cfe2fb}.search-hero h2{font-size:34px;margin:6px 0}.search-hero p{color:#e2edf9}.global-search-box{margin-top:18px;background:#fff;border-radius:16px;display:flex;align-items:center;gap:10px;padding:4px 14px;color:#122033}.global-search-box input{border:0;outline:0;padding:13px 0;font:inherit;font-size:16px;width:100%}.search-chips{display:flex;gap:8px;flex-wrap:wrap;margin-top:13px}.search-chips button{border:1px solid rgba(255,255,255,.25);background:rgba(255,255,255,.10);color:#fff;border-radius:999px;padding:7px 10px}.search-meta{margin:18px 0 10px;color:var(--muted);font-weight:700}.search-results{display:grid;gap:10px}.search-result{background:#fff;border:1px solid var(--line);border-radius:18px;padding:14px;display:grid;grid-template-columns:auto 1fr auto;gap:13px;align-items:center;box-shadow:var(--shadow)}.search-result-icon{width:44px;height:44px;border-radius:13px;background:#eef4ff;display:grid;place-items:center;font-size:21px}.search-result span{font-size:10px;text-transform:uppercase;letter-spacing:.06em;color:#2e63a8;font-weight:900}.search-result h4{margin:2px 0 4px}.search-result p{margin:0;color:var(--muted);line-height:1.4;font-size:13px;max-height:3.9em;overflow:hidden}.search-result button{border:1px solid var(--line);background:#f7faff;color:#17365d;border-radius:11px;padding:9px 11px;font-weight:800}.search-result mark{background:#fff0a8;border-radius:3px;padding:0 2px}.search-welcome{text-align:center;padding:45px 20px;color:var(--muted)}.search-welcome span{font-size:42px}.search-welcome h3{color:var(--ink);margin:10px 0 6px}

/* documentos */
.category-pills{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:14px}.category-pills button{border:1px solid var(--line);background:#fff;border-radius:999px;padding:8px 11px;color:#53677f;font-weight:750}.category-pills button.active{background:#17365d;color:#fff;border-color:#17365d}
.document-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.document-card{background:#fff;border:1px solid var(--line);border-radius:21px;padding:17px;box-shadow:var(--shadow);display:flex;flex-direction:column}.doc-icon{width:46px;height:46px;border-radius:14px;background:#eef4ff;display:grid;place-items:center;font-size:23px}.document-card>span,.doc-detail-head span{font-size:10px;text-transform:uppercase;letter-spacing:.06em;color:#2e63a8;font-weight:900;margin-top:12px}.document-card h3{margin:4px 0 7px}.document-card p{margin:0;color:var(--muted);line-height:1.45;flex:1}.doc-meta{font-size:11px;color:#75869b;margin:14px 0}.document-detail{margin-top:18px}.doc-detail-card{background:#fff;border:1px solid var(--line);border-radius:26px;box-shadow:var(--shadow);overflow:hidden}.doc-detail-head{padding:20px;background:linear-gradient(135deg,#f7faff,#edf4ff);display:grid;grid-template-columns:auto 1fr auto;gap:16px;align-items:start}.doc-icon.large{width:62px;height:62px;font-size:30px}.doc-detail-head h2{margin:4px 0 6px}.doc-detail-head p{margin:0;color:#53677f;line-height:1.5}.doc-detail-head>button{border:0;background:#fff;width:36px;height:36px;border-radius:50%;font-size:24px;color:#53677f}.doc-detail-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px;padding:18px}.doc-detail-grid section{border:1px solid var(--line);border-radius:16px;padding:15px}.doc-detail-grid h3{margin:0 0 10px}.doc-detail-grid li{margin:7px 0;line-height:1.45;color:#53677f}.doc-example{background:#f8fbff}.error-list li::marker{color:#c34a4a}.doc-detail-actions{padding:0 18px 18px;display:flex;gap:10px}

/* menú de herramientas móvil */
.mobile-head-actions{display:flex;gap:7px}.mobile-tools-sheet{display:none}.sheet-open{overflow:hidden}
@media(max-width:1200px){.feature-grid{grid-template-columns:repeat(3,1fr)}.document-grid{grid-template-columns:repeat(2,1fr)}.progress-summary{grid-template-columns:repeat(3,1fr)}}
@media(max-width:820px){
 .feature-grid,.document-grid,.module-progress-grid,.progress-summary,.exam-breakdown,.doc-detail-grid{grid-template-columns:1fr}
 .feature-card{min-height:112px}
 .home-progress{display:grid}.home-progress-actions{justify-items:start}
 .tool-toolbar,.exam-options{grid-template-columns:1fr}
 .mini-stats{grid-template-columns:repeat(3,1fr)}.mini-stats small{font-size:10px}.mini-stats strong{font-size:19px}
 .scenario-body{padding:18px}.scenario-body h3{font-size:22px}.scenario-body>p{font-size:15px}
 .exam-sticky{display:grid;grid-template-columns:1fr auto}.exam-sticky .btn{grid-column:1/-1}.exam-result{grid-template-columns:1fr}.exam-score-circle{margin:auto}.exam-result-copy{text-align:center}.exam-breakdown,.exam-result-actions{grid-column:auto}.exam-result-actions{display:grid}
 .search-hero{padding:20px}.search-hero h2{font-size:28px}.search-result{grid-template-columns:auto 1fr}.search-result>button{grid-column:2;justify-self:start}
 .doc-detail-head{grid-template-columns:auto 1fr}.doc-detail-head>button{position:absolute;right:28px}.doc-detail-actions{display:grid}
 .mobile-tools-sheet{display:block;position:fixed;inset:0;background:rgba(8,23,40,.42);z-index:90;opacity:0;pointer-events:none;transition:opacity .2s}.mobile-tools-sheet.open{opacity:1;pointer-events:auto}.mobile-tools-panel{position:absolute;left:10px;right:10px;bottom:10px;background:#fff;border-radius:24px;padding:16px;box-shadow:0 22px 60px rgba(0,0,0,.25);transform:translateY(110%);transition:transform .22s}.mobile-tools-sheet.open .mobile-tools-panel{transform:translateY(0)}.sheet-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:13px}.sheet-head small{display:block;color:var(--muted);margin-top:2px}.sheet-head button{border:0;background:#f2f5f8;width:38px;height:38px;border-radius:50%;font-size:24px}.sheet-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:9px}.sheet-grid button{border:1px solid var(--line);background:#f9fbfd;border-radius:14px;padding:12px 5px;display:grid;gap:5px;place-items:center;font-size:20px;color:var(--ink)}.sheet-grid span{font-size:10px;font-weight:750}
}


/* ===== V5.1 · Inicio tipo pantalla de apps ===== */
.launcher-view{min-height:0}
.launcher-shell{min-height:calc(100vh - 52px);min-height:calc(100dvh - 52px);display:grid;grid-template-rows:auto 1fr auto;gap:18px;align-content:center;background:radial-gradient(circle at 85% 12%,rgba(78,139,217,.24),transparent 30%),radial-gradient(circle at 10% 92%,rgba(31,78,133,.17),transparent 30%),linear-gradient(145deg,#edf4ff 0%,#f8fbff 46%,#eef5fd 100%);border:1px solid #dbe7f5;border-radius:30px;padding:22px;overflow:hidden;position:relative;box-shadow:0 18px 45px rgba(15,42,74,.10)}
.launcher-shell:before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.35) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.35) 1px,transparent 1px);background-size:42px 42px;mask-image:linear-gradient(to bottom,rgba(0,0,0,.35),transparent 45%);pointer-events:none}
.launcher-cover{display:flex;align-items:center;justify-content:center;gap:14px;position:relative;z-index:1;text-align:left}
.launcher-mark{width:58px;height:58px;border-radius:18px;background:linear-gradient(145deg,#17365d,#2e63a8);color:#fff;display:grid;place-items:center;font-weight:950;letter-spacing:.03em;box-shadow:0 12px 25px rgba(23,54,93,.22)}
.launcher-title span{font-size:11px;letter-spacing:.12em;color:#2e63a8;font-weight:900}.launcher-title h2{margin:2px 0 1px;font-size:27px}.launcher-title p{margin:0;color:#607188;font-size:13px}
.launcher-grid{position:relative;z-index:1;display:grid;grid-template-columns:repeat(4,minmax(88px,1fr));gap:20px 16px;align-content:center;justify-items:center;width:min(760px,100%);margin:auto}
.launcher-app{border:0;background:transparent;display:grid;justify-items:center;gap:7px;color:#122033;padding:0;min-width:0;width:100%;transition:transform .13s ease}.launcher-app:active{transform:scale(.94)}
.launcher-icon{width:70px;height:70px;border-radius:20px;display:grid;place-items:center;font-size:34px;background:linear-gradient(145deg,#fff,#eaf2fd);border:1px solid rgba(255,255,255,.86);box-shadow:0 10px 20px rgba(20,52,88,.14),inset 0 1px 0 rgba(255,255,255,.8)}
.launcher-app b{font-size:12px;line-height:1.15;text-align:center;font-weight:800;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:100%}
.app-tests .launcher-icon{background:linear-gradient(145deg,#eafff1,#ccefd9)}.app-teacher .launcher-icon{background:linear-gradient(145deg,#edf5ff,#d7e8ff)}.app-office .launcher-icon{background:linear-gradient(145deg,#fff5df,#f0dfb8)}.app-exam .launcher-icon{background:linear-gradient(145deg,#f4efff,#ddd0ff)}.app-progress .launcher-icon{background:linear-gradient(145deg,#ecfbff,#caedf7)}.app-search .launcher-icon{background:linear-gradient(145deg,#fff,#e7eef8)}.app-docs .launcher-icon{background:linear-gradient(145deg,#fff6ec,#f2dcc7)}.app-schemes .launcher-icon{background:linear-gradient(145deg,#f1efff,#dad6ff)}.app-videos .launcher-icon{background:linear-gradient(145deg,#eefaff,#d1eaf5)}.app-sources .launcher-icon{background:linear-gradient(145deg,#f7f7f7,#e4e7eb)}.app-install .launcher-icon{background:linear-gradient(145deg,#eaf8ff,#cde8fa)}
.launcher-foot{position:relative;z-index:1;text-align:center;color:#607188;font-size:11px;font-weight:700;letter-spacing:.02em}
.scheme-hub-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.scheme-hub-card{background:#fff;border:1px solid var(--line);border-left:5px solid var(--scheme-accent,#2e63a8);border-radius:20px;padding:16px;display:grid;grid-template-columns:auto 1fr auto;gap:14px;align-items:center;box-shadow:var(--shadow)}.scheme-hub-icon{width:50px;height:50px;border-radius:15px;background:#eef4ff;display:grid;place-items:center;font-size:25px}.scheme-hub-card span{font-size:11px;color:#2e63a8;font-weight:900}.scheme-hub-card h3{margin:2px 0 4px;font-size:17px}.scheme-hub-card p{margin:0;color:var(--muted);font-size:12px}
body.home-screen{overflow:hidden}.home-screen .mobile-nav{display:none!important}.home-screen .mobile-head{display:none!important}
@media(max-width:820px){
  body.home-screen .main{height:100dvh;padding:10px;overflow:hidden}
  .launcher-shell{height:calc(100dvh - 20px);min-height:0;border-radius:26px;padding:16px 12px;gap:10px}
  .launcher-cover{gap:10px;justify-content:flex-start;padding:0 7px}.launcher-mark{width:48px;height:48px;border-radius:15px;font-size:14px}.launcher-title span{font-size:9px}.launcher-title h2{font-size:22px}.launcher-title p{font-size:11px}
  .launcher-grid{grid-template-columns:repeat(4,minmax(0,1fr));gap:12px 6px;align-content:space-evenly}
  .launcher-icon{width:min(15.8vw,64px);height:min(15.8vw,64px);border-radius:18px;font-size:min(8vw,31px)}
  .launcher-app b{font-size:10px;white-space:normal;line-height:1.05;min-height:21px;display:grid;place-items:start center}
  .launcher-foot{font-size:9px}
  .scheme-hub-grid{grid-template-columns:1fr}.scheme-hub-card{grid-template-columns:auto 1fr}.scheme-hub-card .btn{grid-column:1/-1}
}
@media(max-width:360px){.launcher-grid{gap:8px 4px}.launcher-icon{width:54px;height:54px;border-radius:16px}.launcher-title h2{font-size:20px}.launcher-foot{display:none}}
@media(min-width:821px){.home-screen .main{height:100vh;overflow:hidden}.home-screen .launcher-shell{height:calc(100vh - 52px)}}


/* V5.4 · buscador universal */
.global-search-box{display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:10px}
.global-search-box button{border:0;border-radius:16px;background:#173d6a;color:#fff;font-weight:800;padding:14px 20px;font-size:16px;cursor:pointer}
.global-search-box button:active{transform:scale(.98)}
.teacher-search-result{border:2px solid #b9d1ee;background:linear-gradient(135deg,#f7fbff,#eef5ff)}
.doc-no-results{grid-column:1/-1;text-align:center;background:#fff;border:1px solid #dce6f2;border-radius:28px;padding:30px 22px;max-width:720px;margin:12px auto;width:100%}
.doc-no-results-icon{font-size:42px}.doc-no-results h3{font-size:24px;margin:10px 0}.doc-no-results p{color:#5c708b;font-size:18px}
.doc-no-results-actions{display:flex;gap:12px;justify-content:center;flex-wrap:wrap;margin-top:20px}
@media(max-width:640px){.global-search-box{grid-template-columns:auto 1fr}.global-search-box button{grid-column:1/-1;width:100%;padding:15px}.doc-no-results-actions{flex-direction:column}.doc-no-results-actions .btn{width:100%}}