:root{--azul:#123a63;--azul2:#1d5a93;--dorado:#c99b3b;--claro:#eef5fb;--texto:#17324d}body{font-family:system-ui,-apple-system,"Segoe UI",sans-serif;color:var(--texto);background:#f4f7fb}.hero-bg{min-height:100vh;background:linear-gradient(135deg,rgba(5,28,54,.88),rgba(18,58,99,.68)),url('../img/edificio.png') center/cover fixed}.glass{background:rgba(255,255,255,.94);backdrop-filter:blur(12px);border:1px solid rgba(255,255,255,.4);box-shadow:0 20px 60px rgba(0,0,0,.24);border-radius:24px}.brand-logo{height:96px;max-width:230px;object-fit:contain}.btn-itgam{background:linear-gradient(135deg,var(--azul),var(--azul2));color:white;border:0;box-shadow:0 8px 22px rgba(18,58,99,.25)}.btn-itgam:hover{color:white;transform:translateY(-1px)}.topbar{background:linear-gradient(90deg,#0c2d50,#175b91);color:#fff}.timer{font-variant-numeric:tabular-nums;font-weight:800;letter-spacing:1px}.timer.warning{color:#ffc107}.timer.danger{color:#ff6b6b;animation:pulse 1s infinite}@keyframes pulse{50%{opacity:.55}}.question-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(56px,1fr));gap:8px}.qbtn{border:1px solid #cbd8e5;background:#fff;border-radius:10px;padding:8px;font-size:.82rem}.qbtn.answered{background:#d1e7dd;border-color:#75b798}.qbtn.current{outline:3px solid var(--dorado)}.exam-document{height:68vh;overflow:auto;background:#fff;border-radius:16px;padding:24px;border:1px solid #dbe5ef}.module-title{color:var(--azul);border-bottom:3px solid var(--dorado);padding-bottom:8px;margin-top:28px}.question-source{font-weight:650;margin-top:16px}.options-source{margin-left:12px}.stat-card{border:0;border-radius:18px;box-shadow:0 10px 30px rgba(18,58,99,.08)}@media(max-width:768px){.brand-logo{height:62px}.exam-document{height:54vh}.hero-bg{background-attachment:scroll}}
.admin-bg{background:#f2f5f9;min-height:100vh}.bg-itgam{background:linear-gradient(135deg,#153b67,#0b2341)}.navbar-brand img{background:#fff;border-radius:8px;padding:3px}.stat-card{border:0;border-radius:18px;box-shadow:0 8px 28px rgba(14,43,75,.09)}.metric-box{background:#fff;border-radius:18px;padding:1.15rem 1.25rem;box-shadow:0 8px 28px rgba(14,43,75,.09);border-left:4px solid #1f5f9e}.metric-box span{display:block;color:#697586;font-size:.9rem}.metric-box strong{display:block;font-size:1.75rem;color:#133c66;margin-top:.25rem}.table thead th{white-space:nowrap;color:#29445f}.form-label{font-weight:600;color:#29445f}@media print{nav,.btn,.card-header{display:none!important}.admin-bg{background:#fff}.stat-card,.metric-box{box-shadow:none;border:1px solid #ddd}}
.answer-options{display:grid;gap:.75rem}.answer-option{position:relative;margin:0;padding:0;border:1px solid #cbd8e5;border-radius:12px;background:#fff;transition:.18s ease}.answer-option:hover{border-color:var(--azul2);background:#f5f9fd}.answer-option.selected{border-color:var(--azul2);background:#e7f1fb;box-shadow:0 0 0 2px rgba(29,90,147,.12)}.answer-option .form-check-input{position:absolute;left:1rem;top:50%;transform:translateY(-50%);margin:0}.answer-option .form-check-label{display:block;cursor:pointer;padding:1rem 1rem 1rem 3rem}.question-source[id^="reactivo-"]{scroll-margin-top:90px}

.answer-option{min-height:52px;border-width:2px}.answer-option:hover{transform:translateY(-1px)}.qbtn{cursor:pointer}.qbtn:focus-visible,.answer-option:focus-visible{outline:3px solid #c99b3b;outline-offset:2px}.admin-bg{background:#eef3f8}.metric-box{background:#fff;border:1px solid #dbe5ef;border-radius:16px;padding:18px;height:100%;display:flex;flex-direction:column}.metric-box strong{font-size:1.65rem}.metric-box span{color:#66788a}.nav-link{white-space:nowrap}