:root {--indigo:#3151cb;--navy:#162657;--ink:#182540;--muted:#79859c;--bg:#f3f6fc;--line:#e7eaf2}
*{box-sizing:border-box}body{background:var(--bg);font-family:system-ui,-apple-system,'Segoe UI',sans-serif;color:var(--ink);min-height:100vh}.site-nav{background:linear-gradient(110deg,#162657,#2c4cac);min-height:64px}.brand-accent{color:#a5cbff}.app-content{min-height:calc(100vh - 130px);max-width:1520px}.card{border:1px solid rgba(228,234,245,.5)!important}.btn-primary{background:var(--indigo);border-color:var(--indigo)}.btn-primary:hover{background:#2742ab;border-color:#2742ab}.eyebrow{font-size:.72rem;font-weight:800;letter-spacing:.13em;color:#6278bb}.text-secondary{color:#75819a!important}.form-control,.form-select{border-color:#dbe1eb}.form-control:focus,.form-select:focus{border-color:#9caef5;box-shadow:0 0 0 .18rem rgba(49,81,203,.12)}.login-shell{max-width:490px;margin:5vh auto}.bg-soft{background:#e7eefc!important}.info-line{padding:12px 0;border-top:1px solid var(--line);display:flex;justify-content:space-between;gap:15px;font-size:.94rem}.token-input{letter-spacing:.2em;font-weight:800;text-align:center;text-transform:uppercase}.exam-top{padding:18px 24px}.timer-box{background:#eef2ff;min-width:195px;border-radius:16px;padding:6px 20px}.timer-text{font-size:2rem;letter-spacing:.055em;line-height:1.3;font-weight:850;font-variant-numeric:tabular-nums;color:#1e3f9c}.timer-text.low{color:#d82141}.question-box{padding:25px 30px;min-height:510px}.badge-question{background:#e8eeff;color:#2b4cb2;padding:.7em 1.1em}.question-body{font-size:1.15rem;font-weight:650;white-space:normal;line-height:1.8}.question-image{max-height:310px;width:auto;object-fit:contain;border:1px solid #dce4f5;border-radius:12px;background:#fff}.choice-row{border:1.5px solid #e3e8f3;border-radius:13px;padding:14px 17px;display:flex;align-items:center;gap:14px;margin-bottom:11px;cursor:pointer;transition:.12s background,.12s border;line-height:1.5}.choice-row:hover{border-color:#a3b3f6;background:#f6f8ff}.choice-row:has(input:checked){border-color:var(--indigo);background:#ecf2ff}.choice-row input{width:19px;height:19px;accent-color:var(--indigo)}.choice-letter{display:inline-flex;align-items:center;justify-content:center;font-weight:800;border-radius:10px;background:#f1f4f8;width:34px;min-width:34px;height:34px}.match-row{padding:15px 0;border-bottom:1px solid var(--line)}.doubt-label{font-size:.95rem;cursor:pointer}.side-panel{padding:22px;position:sticky;top:20px}.legend{display:flex;gap:9px;flex-wrap:wrap;margin-top:10px}.legend span{display:inline-flex;align-items:center;gap:4px}.dot{display:inline-block;width:11px;height:11px;border-radius:50%}.dot.done,.num-btn.done{background:#1eaf75}.dot.empty,.num-btn.empty{background:#c9d0da}.dot.doubt,.num-btn.doubt{background:#f3b632}.number-grid{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:7px}.num-btn{height:38px;border:2px solid transparent;border-radius:9px;font-size:.83rem;font-weight:800;color:white}.num-btn.empty{color:#344158}.num-btn.current{outline:3px solid #4268de;outline-offset:1px}.num-btn:hover{filter:brightness(.92)}.result-icon{height:55px;width:55px;border-radius:50%;background:#dbfaeb;color:#119661;font-size:2.1rem;font-weight:800}.score-main{font-size:4.6rem;line-height:1;font-weight:850;letter-spacing:-.055em;color:#2950c5}.metric{border-radius:14px;background:#f4f7fc;padding:24px 10px}.metric-number{font-size:2rem;font-weight:800}.nav-pills .nav-link{color:#45526f;font-weight:650}.nav-pills .nav-link.active{background:#3151cb}.table th{font-size:.82rem;color:#65718b;letter-spacing:.02em}.table td{vertical-align:middle;font-size:.91rem}.stat-card{padding:24px;background:white;border-radius:18px;box-shadow:0 4px 25px rgba(19,49,100,.04)}.stat-num{font-size:2rem;font-weight:800;color:#2444a7}.action-btns{display:flex;gap:5px;flex-wrap:wrap}.long-text{max-width:500px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.admin-title{font-size:1.7rem;font-weight:800}.subtle-panel{background:#f8faff;border-radius:14px;padding:16px;border:1px solid #e9eef8}.credential-box{border:1px dashed #6686cf;border-radius:12px;padding:20px;background:#f1f6ff}.help-sample{font-family:monospace;background:#eff2f9;padding:8px;border-radius:6px;overflow-wrap:anywhere}footer{opacity:.8}@media(max-width:767px){.question-box{padding:18px}.side-panel{position:static}.number-grid{grid-template-columns:repeat(8,minmax(0,1fr))}.num-btn{height:34px}.timer-text{font-size:1.65rem}.timer-box{min-width:155px}.score-main{font-size:3.8rem}}
@media print{.site-nav,footer,.no-print,.btn,.nav-pills{display:none!important}body{background:#fff}.card,.stat-card{border:0!important;box-shadow:none!important}}