:root{--ink:#102a43;--ink-soft:#486581;--paper:#f7fafc;--surface:#fff;--primary:#0b6e75;--primary-dark:#07565b;--accent:#d6a84b;--success:#177245;--warning:#9a5b13;--danger:#b42318;--line:#d9e2ec;--muted:#edf2f7;--focus:#f0b429;--shadow:0 18px 50px rgba(16,42,67,.12);font-family:Aptos,"Segoe UI",system-ui,sans-serif;color:var(--ink);background:var(--paper);font-size:16px;line-height:1.62;scrollbar-color:#829ab1 #edf2f7;scrollbar-width:auto}
*{box-sizing:border-box}html{min-height:100%;scroll-padding-top:1rem}body{margin:0;min-height:100vh;background:radial-gradient(circle at 100% 0,rgba(11,110,117,.07),transparent 34rem),var(--paper)}body::-webkit-scrollbar,*::-webkit-scrollbar{width:12px;height:12px}body::-webkit-scrollbar-track,*::-webkit-scrollbar-track{background:#edf2f7}body::-webkit-scrollbar-thumb,*::-webkit-scrollbar-thumb{background:#829ab1;border:3px solid #edf2f7;border-radius:8px}body::-webkit-scrollbar-thumb:hover,*::-webkit-scrollbar-thumb:hover{background:#627d98}a{color:var(--primary);text-underline-offset:3px}a:hover{color:var(--primary-dark)}button,input{font:inherit}button,a{touch-action:manipulation}button:focus-visible,a:focus-visible,input:focus-visible{outline:3px solid var(--focus);outline-offset:3px}.skip-link{position:fixed;top:.5rem;left:.5rem;transform:translateY(-150%);z-index:100;background:var(--ink);color:#fff;padding:.7rem 1rem;border-radius:6px}.skip-link:focus{transform:none}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.main-nav{position:sticky;top:0;z-index:20;display:grid;grid-template-columns:1fr auto minmax(12rem,auto);align-items:center;gap:2rem;padding:.85rem max(1rem,calc((100vw - 1280px)/2));background:rgba(255,255,255,.96);border-bottom:1px solid var(--line);backdrop-filter:blur(12px)}.brand{display:flex;align-items:center;gap:.75rem;color:var(--ink);font-weight:750;text-decoration:none}.brand-mark{display:grid;place-items:center;width:2.25rem;height:2.25rem;background:var(--ink);color:#fff;border-radius:8px;font-size:.78rem;letter-spacing:.08em}.brand-mark.large{width:3.25rem;height:3.25rem;font-size:1rem;background:var(--primary)}.nav-links{display:flex;align-items:center;gap:.3rem}.nav-link{padding:.5rem .7rem;color:var(--ink-soft);font-weight:650;text-decoration:none;border-radius:6px}.nav-link:hover,.nav-link.active{background:#e6f3f4;color:var(--primary-dark)}.nav-user{display:flex;flex-direction:column;text-align:right;line-height:1.25}.nav-user span{font-size:.82rem;color:var(--ink-soft)}
.app-shell{width:min(1280px,calc(100% - 2rem));margin:0 auto;padding:2.5rem 0 4rem}.auth-shell{min-height:calc(100vh - 4rem);display:grid;place-items:center;padding:2rem 1rem}.site-footer{display:flex;justify-content:space-between;gap:1rem;max-width:1280px;margin:0 auto;padding:1rem;color:var(--ink-soft);font-size:.82rem;border-top:1px solid var(--line)}.eyebrow{margin:0 0 .35rem;text-transform:uppercase;letter-spacing:.12em;font-size:.78rem;font-weight:800;color:var(--primary)}h1,h2,h3{line-height:1.18;letter-spacing:-.025em;margin-top:0}h1{font-size:clamp(2rem,4vw,3.5rem);margin-bottom:.65rem}h2{font-size:1.35rem}h3{font-size:1.08rem}p{max-width:76ch}.page-head{display:flex;align-items:flex-start;justify-content:space-between;gap:2rem;margin-bottom:2rem}.page-head.compact h1{font-size:clamp(1.8rem,3vw,2.6rem)}.page-head p{margin:.2rem 0;color:var(--ink-soft)}.status-stamp{min-width:10rem;padding:1rem;border-left:4px solid var(--accent);background:var(--surface);box-shadow:0 7px 24px rgba(16,42,67,.07)}.status-stamp span{display:block;color:var(--ink-soft);font-size:.82rem}.status-stamp strong{font-size:1.25rem}
.panel{background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:1.5rem}.dashboard-grid,.detail-grid{display:grid;grid-template-columns:1.4fr 1fr;gap:1.25rem;margin-bottom:1.25rem}.panel-head{display:flex;justify-content:space-between;align-items:flex-start;gap:1rem}.progress-number{font:700 2.7rem/1 Aptos Display,"Segoe UI",sans-serif;color:var(--primary)}.progress-track{height:.7rem;background:var(--muted);border-radius:999px;overflow:hidden}.progress-track span{display:block;height:100%;background:var(--primary);border-radius:inherit}.progress-track.small{height:.4rem;margin-top:.35rem}.test-panel{border-top:4px solid var(--accent)}.action-stack{display:flex;flex-direction:column;align-items:flex-start;gap:.5rem}.evidence-panel{margin-top:1.25rem}.evidence-list{display:grid;grid-template-columns:repeat(3,1fr);gap:1rem}.evidence-list div{padding:1rem;background:var(--paper);border-left:3px solid var(--line)}.evidence-list span,.evidence-list strong{display:block}.evidence-list span{font-size:.82rem;color:var(--ink-soft)}
.button{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:.68rem 1rem;border:1px solid var(--primary);border-radius:8px;background:var(--primary);color:#fff;font-weight:750;text-decoration:none;cursor:pointer;line-height:1.2}.button:hover{background:var(--primary-dark);color:#fff}.button.secondary{background:var(--surface);color:var(--primary);border-color:#8dbfc3}.button.secondary:hover{background:#e6f3f4;color:var(--primary-dark)}.button.warning{background:#fff4e5;color:#7a4510;border-color:#d9a15c}.button.disabled{background:#e7edf2;color:#627d98;border-color:#bcccdc;cursor:not-allowed}.button.full{width:100%}.button-row{display:flex;flex-wrap:wrap;gap:.75rem;margin-top:1.5rem}.page-actions{justify-content:flex-end;margin-top:0}.text-link,.back-link{font-weight:700}.back-link{display:inline-block;margin-bottom:1.25rem;text-decoration:none}
.auth-card{width:min(31rem,100%);padding:2rem;background:var(--surface);border:1px solid var(--line);border-radius:20px;box-shadow:var(--shadow)}.auth-heading{display:flex;align-items:center;gap:1rem;margin-bottom:1.5rem}.auth-heading h1{font-size:2.25rem;margin:0}.auth-heading p{margin:0}.stack{display:flex;flex-direction:column;gap:.55rem;margin-top:1.5rem}.stack label{font-weight:750;margin-top:.5rem}.stack small{color:var(--ink-soft);font-size:.82rem}.stack input,.search-form input{width:100%;min-height:46px;padding:.7rem .8rem;border:1px solid #9fb3c8;border-radius:8px;background:#fff;color:var(--ink)}.stack input:focus,.search-form input:focus{border-color:var(--primary)}.password-field{display:flex;gap:.5rem}.password-field input{min-width:0}.icon-button{min-width:5rem;border:1px solid #9fb3c8;border-radius:8px;background:var(--paper);color:var(--ink);cursor:pointer}.support-copy{margin:1.5rem 0 0;padding-top:1rem;border-top:1px solid var(--line);font-size:.9rem;color:var(--ink-soft)}.notice{padding:.85rem 1rem;margin:0 0 1rem;border-radius:8px;border-left:4px solid}.notice-success{background:#e8f5ee;border-color:var(--success)}.notice-warning{background:#fff4e5;border-color:var(--warning)}.notice-error{background:#fff0f0;border-color:var(--danger)}
.course-layout{display:grid;grid-template-columns:22rem minmax(0,1fr);gap:2rem;align-items:start}.timeline{position:sticky;top:5.5rem;max-height:calc(100vh - 7rem);overflow:auto;padding-right:.5rem}.timeline-progress{padding:1rem;margin-bottom:.75rem;background:#e6f3f4;border-radius:8px;font-weight:700}.timeline-item{display:grid;grid-template-columns:2rem 1fr;gap:.75rem;align-items:start;padding:.7rem .6rem;color:var(--ink);text-decoration:none;border-left:2px solid var(--line)}.timeline-item:hover{background:var(--surface)}.timeline-item.current{background:var(--surface);border-left-color:var(--primary)}.timeline-item.complete{border-left-color:var(--success)}.timeline-item.locked{color:#829ab1}.timeline-dot{display:grid;place-items:center;width:1.65rem;height:1.65rem;border:1px solid #9fb3c8;border-radius:50%;font-size:.78rem;font-weight:800;background:var(--paper)}.complete .timeline-dot{background:var(--success);color:#fff;border-color:var(--success)}.timeline-item small,.timeline-item strong{display:block}.timeline-item small{color:inherit;font-size:.7rem;text-transform:uppercase;letter-spacing:.06em}.timeline-item strong{font-size:.91rem;line-height:1.3}.reading-panel{min-height:40rem;padding:clamp(1.5rem,5vw,4.2rem);background:var(--surface);border:1px solid var(--line);border-top:6px solid var(--primary);border-radius:12px}.reading-meta{display:flex;justify-content:space-between;gap:1rem;color:var(--ink-soft);font-size:.82rem;text-transform:uppercase;letter-spacing:.06em}.reading-copy{font-size:1.08rem}.reading-copy p{margin:1.25rem 0}.reading-actions{display:flex;justify-content:flex-end;padding-top:1.5rem;margin-top:2.5rem;border-top:1px solid var(--line)}.source-list{padding-left:1.2rem}.source-list li{margin:.65rem 0}.accept-box{margin:2rem 0 0;padding:1.25rem;background:#fff8e8;border:1px solid #e4c477;border-radius:8px}.check-row{display:flex;align-items:flex-start;gap:.7rem;margin:1rem 0}.check-row input{width:1.2rem;height:1.2rem;margin-top:.18rem;accent-color:var(--primary)}
.test-counter{min-width:9rem;padding:1rem;background:var(--surface);border:1px solid var(--line);text-align:center}.test-counter strong,.test-counter span{display:block}.test-counter strong{font-size:2rem;color:var(--primary)}.test-form{display:grid;gap:1rem}.question-card{margin:0;padding:1.25rem;border:1px solid var(--line);border-radius:12px;background:var(--surface)}.question-card legend{display:flex;gap:.7rem;width:100%;padding:0 0 .75rem;font-weight:750;font-size:1.04rem}.question-card legend span{display:grid;flex:0 0 2rem;place-items:center;width:2rem;height:2rem;border-radius:50%;background:var(--ink);color:#fff}.answer-option{display:block;margin:.55rem 0;cursor:pointer}.answer-option input{position:absolute;opacity:0;pointer-events:none}.answer-option span{display:grid;grid-template-columns:2rem 1fr;gap:.6rem;align-items:center;padding:.72rem;border:1px solid var(--line);border-radius:8px}.answer-option b{display:grid;place-items:center;width:1.8rem;height:1.8rem;border:1px solid #9fb3c8;border-radius:50%}.answer-option:hover span{border-color:#8dbfc3;background:#f1f8f8}.answer-option input:focus-visible+span{outline:3px solid var(--focus);outline-offset:2px}.answer-option input:checked+span{border-color:var(--primary);background:#e6f3f4}.answer-option input:checked+span b{background:var(--primary);border-color:var(--primary);color:#fff}.save-state{display:block;min-height:1.35rem;margin:.5rem .2rem 0;color:var(--ink-soft)}.save-state.error{color:var(--danger)}.question-card.needs-answer{border:2px solid var(--danger)}.submit-panel{position:sticky;bottom:1rem;display:flex;align-items:center;justify-content:space-between;gap:1rem;padding:1.25rem;background:rgba(16,42,67,.97);color:#fff;border-radius:12px;box-shadow:var(--shadow)}.submit-panel h2,.submit-panel p{margin:.1rem 0}.submit-panel p{color:#d9e2ec}.submit-panel .button{background:#fff;color:var(--ink);border-color:#fff}
.result-card{max-width:50rem;margin:1rem auto;padding:clamp(2rem,6vw,4rem);background:var(--surface);border:1px solid var(--line);border-top:7px solid;border-radius:12px;text-align:center}.result-card.passed{border-top-color:var(--success)}.result-card.failed{border-top-color:var(--warning)}.score-ring{display:grid;place-items:center;width:9rem;height:9rem;margin:1rem auto;border:9px solid #e6f3f4;border-radius:50%}.score-ring strong{font-size:3rem;line-height:1}.score-ring span{margin-top:-1rem;color:var(--ink-soft)}.result-card p{margin-left:auto;margin-right:auto}.result-details{display:grid;grid-template-columns:repeat(3,1fr);gap:1rem;margin:2rem 0;text-align:left}.result-details div,.detail-list div{padding:.8rem;background:var(--paper)}dt{font-size:.78rem;color:var(--ink-soft);text-transform:uppercase;letter-spacing:.05em}dd{margin:.2rem 0 0;font-weight:700}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1rem;margin-bottom:1.25rem}.stats-grid article{padding:1.1rem;background:var(--surface);border:1px solid var(--line);border-left:4px solid var(--primary)}.stats-grid span,.stats-grid strong{display:block}.stats-grid span{font-size:.82rem;color:var(--ink-soft)}.stats-grid strong{font-size:2rem}.search-form{margin-bottom:1.25rem}.search-form label{display:block;font-weight:700;margin-bottom:.35rem}.search-form>div{display:flex;gap:.5rem}.clear-search{align-self:center;font-weight:700}.table-scroll{overflow:auto;scrollbar-gutter:stable}table{width:100%;border-collapse:collapse;min-width:58rem}th,td{padding:.8rem;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}thead th{font-size:.78rem;text-transform:uppercase;letter-spacing:.05em;color:var(--ink-soft);background:var(--paper)}tbody th a{font-weight:800}tbody th small,td small{display:block;color:var(--ink-soft);font-weight:400}.status-badge{display:inline-flex;padding:.28rem .55rem;border:1px solid #9fb3c8;border-radius:999px;font-size:.78rem;font-weight:750;background:var(--paper)}.status-apto{background:#e8f5ee;border-color:#8bc5a5;color:#0f5734}.status-no-apto{background:#fff0f0;border-color:#e3a6a2;color:#8f1f17}.status-test-pendiente{background:#fff8e8;border-color:#e4c477;color:#7a5610}.detail-list{display:grid;gap:.65rem}.empty-state{max-width:42rem;margin:8vh auto;padding:3rem;background:var(--surface);border:1px solid var(--line);border-radius:12px;text-align:center}.empty-state p{margin-left:auto;margin-right:auto}
@media (max-width:900px){.main-nav{grid-template-columns:1fr auto;gap:.75rem}.nav-user{display:none}.nav-links{justify-content:flex-end;flex-wrap:wrap}.course-layout{grid-template-columns:1fr}.timeline{position:static;max-height:none;display:flex;overflow:auto;padding:0 0 .75rem;scrollbar-gutter:stable}.timeline-progress{min-width:10rem}.timeline-item{min-width:15rem;border-left:0;border-bottom:2px solid var(--line)}.timeline-item.current,.timeline-item.complete{border-left:0}.timeline-item.current{border-bottom-color:var(--primary)}.timeline-item.complete{border-bottom-color:var(--success)}.dashboard-grid,.detail-grid{grid-template-columns:1fr}.stats-grid{grid-template-columns:repeat(2,1fr)}}
@media (max-width:620px){.main-nav{position:static;display:flex;align-items:flex-start;flex-direction:column;padding:1rem}.nav-links{width:100%;justify-content:flex-start}.app-shell{width:min(100% - 1rem,1280px);padding-top:1.25rem}.page-head,.submit-panel{align-items:stretch;flex-direction:column}.status-stamp,.test-counter{width:100%}.reading-panel{padding:1.25rem}.reading-meta{flex-direction:column;gap:.2rem}.evidence-list,.result-details{grid-template-columns:1fr}.stats-grid{grid-template-columns:1fr 1fr}.search-form>div{flex-wrap:wrap}.site-footer{flex-direction:column}.submit-panel{position:static}.button-row{flex-direction:column}.button-row .button{width:100%}}
/* Accessibility override: reduced-motion preference must supersede component animation rules. */
@media (prefers-reduced-motion:reduce){*,*::before,*::after{scroll-behavior:auto!important;transition:none!important;animation:none!important}}
@media (forced-colors:active){.button,.brand-mark,.timeline-dot,.question-card legend span{forced-color-adjust:auto;border:1px solid ButtonText}.progress-track span{background:Highlight}}
/* Print override: interactive chrome must never appear in generated paper/PDF output. */
@media print{.main-nav,.site-footer,.button,.reading-actions,.search-form{display:none!important}.app-shell{width:100%;padding:0}.panel,.reading-panel{border-color:#777;box-shadow:none}.table-scroll{overflow:visible}table{min-width:0}.course-layout{display:block}.timeline{display:none}}