:root{--bg:#f3f6fc;--bg-subtle:#eef2f9;--bg-white:#fff;--card:#fff;--card-hover:#f8fafc;--text:#0f172a;--text-muted:#475569;--text-dim:#94a3b8;--line:#e2e8f0;--line-strong:#cbd5e1;--brand:#2563eb;--brand-light:#3b82f6;--brand-gradient:linear-gradient(135deg, #2563eb, #4f46e5);--brand-subtle:#eff6ff;--brand-glow:#2563eb2e;--ok:#059669;--ok-bright:#10b981;--ok-gradient:linear-gradient(135deg, #10b981, #059669);--ok-subtle:#ecfdf5;--warn:#d97706;--warn-bright:#f59e0b;--warn-gradient:linear-gradient(135deg, #f59e0b, #d97706);--warn-subtle:#fffbeb;--danger:#dc2626;--danger-bright:#ef4444;--danger-subtle:#fef2f2;--shadow-sm:0 1px 3px 0 #0f172a0f;--shadow-md:0 4px 16px -2px #0f172a14;--shadow-lg:0 10px 25px -4px #2563eb14, 0 8px 16px -4px #0f172a0f;--shadow-xl:0 20px 35px -8px #0f172a1f;--radius-sm:8px;--radius-md:12px;--radius-lg:18px;--radius-full:9999px}*{box-sizing:border-box}html,body{background-color:var(--bg);min-height:100vh;color:var(--text);-webkit-font-smoothing:antialiased;background-image:radial-gradient(at 100% 0,#2563eb0f 0,#0000 50%),radial-gradient(at 0 100%,#10b9810d 0,#0000 50%);background-attachment:fixed;margin:0;padding:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Inter,Helvetica,Arial,sans-serif;line-height:1.5;overflow-x:hidden}.muted{color:var(--text-muted)}.dim{color:var(--text-dim)}.bold{font-weight:700}.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius-lg);box-shadow:var(--shadow-md);padding:24px}.exam-navbar{z-index:40;-webkit-backdrop-filter:blur(16px);border-bottom:1px solid var(--line);background:#fffffff5;justify-content:space-between;align-items:center;gap:16px;padding:12px 24px;display:flex;position:sticky;top:0;box-shadow:0 2px 10px #0f172a0a}.brand-section{align-items:center;gap:10px;display:flex}.brand-logo{background:var(--brand-gradient);color:#fff;border-radius:var(--radius-md);width:40px;height:40px;box-shadow:0 4px 14px var(--brand-glow);flex-shrink:0;justify-content:center;align-items:center;font-size:1.2rem;font-weight:800;display:flex}.brand-info h2{letter-spacing:-.01em;color:#0f172a;margin:0;font-size:1.05rem;font-weight:700}.proctor-live-badge{color:var(--ok);background:var(--ok-subtle);border-radius:var(--radius-full);border:1px solid #10b98133;align-items:center;gap:5px;padding:2px 8px;font-size:.72rem;font-weight:700;display:inline-flex}.pulse-dot{background:var(--ok-bright);border-radius:50%;width:7px;height:7px;animation:2s infinite pulse-ring;box-shadow:0 0 #10b981b3}@keyframes pulse-ring{0%{box-shadow:0 0 #10b981b3}70%{box-shadow:0 0 0 7px #10b98100}to{box-shadow:0 0 #10b98100}}.header-progress-wrap{flex-direction:column;align-items:center;gap:6px;min-width:220px;display:none}@media (min-width:860px){.header-progress-wrap{display:flex}}.progress-label{color:var(--text-muted);font-size:.82rem;font-weight:700}.progress-track{border-radius:var(--radius-full);background:#e2e8f0;width:100%;height:8px;overflow:hidden}.progress-fill{border-radius:var(--radius-full);background:linear-gradient(90deg,#2563eb,#38bdf8);height:100%;transition:width .3s cubic-bezier(.4,0,.2,1)}.header-actions{align-items:center;gap:10px;display:flex}.timer-pill{border-radius:var(--radius-full);font-variant-numeric:tabular-nums;box-shadow:var(--shadow-sm);color:#1e293b;white-space:nowrap;background:#fff;border:1.5px solid #cbd5e1;align-items:center;gap:6px;padding:6px 14px;font-size:.95rem;font-weight:800;transition:all .2s;display:inline-flex}.timer-pill.low{color:#dc2626;background:#fef2f2;border-color:#f87171;animation:1.5s infinite urgent-pulse}@keyframes urgent-pulse{0%,to{transform:scale(1)}50%{transform:scale(1.04)}}.strikes-pill{border-radius:var(--radius-full);background:var(--warn-subtle);color:var(--warn);white-space:nowrap;border:1px solid #f59e0b4d;align-items:center;gap:5px;padding:6px 12px;font-size:.8rem;font-weight:700;display:inline-flex}.candidate-pill{border-radius:var(--radius-full);border:1px solid var(--line);box-shadow:var(--shadow-sm);cursor:pointer;background:#fff;align-items:center;gap:6px;padding:4px 10px 4px 5px;transition:all .2s;display:inline-flex}.candidate-pill:hover{border-color:var(--brand);background:var(--brand-subtle)}.candidate-avatar{background:var(--brand-gradient);color:#fff;border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;width:26px;height:26px;font-size:.74rem;font-weight:800;display:flex}.candidate-name{color:#1e293b;white-space:nowrap;text-overflow:ellipsis;max-width:110px;font-size:.82rem;font-weight:700;overflow:hidden}.fs-btn{border-radius:var(--radius-full);color:#334155;cursor:pointer;box-shadow:var(--shadow-sm);white-space:nowrap;background:#fff;border:1px solid #cbd5e1;justify-content:center;align-items:center;gap:5px;padding:6px 12px;font-size:.8rem;font-weight:700;transition:all .2s;display:inline-flex}.fs-btn:hover{border-color:var(--brand);color:var(--brand);background:var(--brand-subtle)}.exam-container{grid-template-columns:1fr;gap:24px;max-width:1200px;margin:0 auto;padding:24px 20px 80px;display:grid}@media (min-width:960px){.exam-container{grid-template-columns:1fr 340px}}.question-card{border-radius:var(--radius-lg);box-shadow:var(--shadow-lg);background:#fff;border:1px solid #e2e8f0;flex-direction:column;gap:24px;padding:34px;display:flex;position:relative}.question-header{border-bottom:1px solid #f1f5f9;justify-content:space-between;align-items:center;padding-bottom:18px;display:flex}.question-badge{border-radius:var(--radius-full);background:var(--brand-subtle);color:var(--brand);border:1px solid #2563eb26;align-items:center;gap:8px;padding:6px 14px;font-size:.88rem;font-weight:800;display:inline-flex}.question-status-tag{border-radius:var(--radius-full);padding:5px 12px;font-size:.82rem;font-weight:700}.question-status-tag.answered{background:var(--ok-subtle);color:var(--ok);border:1px solid #10b98133}.question-status-tag.unanswered{color:#64748b;background:#f1f5f9;border:1px solid #e2e8f0}.question-status-tag.flagged{background:var(--warn-subtle);color:var(--warn);border:1px solid #f59e0b33}.question-text{color:#0f172a;margin:0;font-size:1.32rem;font-weight:700;line-height:1.6}.options-list{flex-direction:column;gap:12px;display:flex}.opt-card{border-radius:var(--radius-md);cursor:pointer;-webkit-user-select:none;user-select:none;background:#fff;border:2px solid #e2e8f0;align-items:center;gap:16px;padding:16px 20px;transition:all .2s cubic-bezier(.16,1,.3,1);display:flex}.opt-card:hover{background:#f8faff;border-color:#93c5fd;transform:translateY(-1px)}.opt-card.selected{border-color:var(--brand);background:#eff6ff;box-shadow:0 4px 16px #2563eb26}.opt-key{border-radius:var(--radius-sm);color:#475569;background:#f1f5f9;border:1px solid #cbd5e1;flex-shrink:0;justify-content:center;align-items:center;width:38px;height:38px;font-size:.98rem;font-weight:800;transition:all .2s;display:flex}.opt-card:hover .opt-key{color:var(--brand);background:#fff;border-color:#93c5fd}.opt-card.selected .opt-key{background:var(--brand);border-color:var(--brand);color:#fff}.opt-label{color:#1e293b;flex:1;font-size:1.05rem;font-weight:600}.opt-card.selected .opt-label{color:var(--brand);font-weight:700}.opt-check{border:2px solid #cbd5e1;border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;width:22px;height:22px;font-size:.8rem;font-weight:800;transition:all .2s;display:flex}.opt-card.selected .opt-check{border-color:var(--brand);background:var(--brand);color:#fff}.question-nav-actions{border-top:1px solid #f1f5f9;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:12px;margin-top:12px;padding-top:22px;display:flex}.nav-btn{border-radius:var(--radius-md);cursor:pointer;color:#334155;box-shadow:var(--shadow-sm);background:#fff;border:1.5px solid #cbd5e1;align-items:center;gap:8px;padding:11px 22px;font-size:.94rem;font-weight:700;transition:all .2s;display:inline-flex}.nav-btn:hover:not(:disabled){background:#f8fafc;border-color:#94a3b8;transform:translateY(-1px)}.nav-btn:disabled{opacity:.45;cursor:not-allowed;border-color:#e2e8f0}.nav-btn.primary{background:var(--brand-gradient);color:#fff;box-shadow:0 4px 14px var(--brand-glow);border:none}.nav-btn.primary:hover{filter:brightness(1.08);transform:translateY(-1px)}.flag-btn{border-radius:var(--radius-md);cursor:pointer;color:var(--warn);background:#fffbeb;border:1.5px solid #fde68a;align-items:center;gap:6px;padding:11px 20px;font-size:.94rem;font-weight:700;transition:all .2s;display:inline-flex}.flag-btn:hover{background:#fef3c7;border-color:#f59e0b}.flag-btn.flagged{color:#fff;background:#f59e0b;border-color:#d97706;box-shadow:0 4px 12px #f59e0b40}.palette-card{border-radius:var(--radius-lg);box-shadow:var(--shadow-lg);background:#fff;border:1px solid #e2e8f0;flex-direction:column;gap:20px;height:fit-content;padding:24px;display:flex;position:sticky;top:84px}.palette-title{color:#0f172a;justify-content:space-between;align-items:center;margin:0;font-size:1.05rem;font-weight:800;display:flex}.palette-legend{border-radius:var(--radius-md);background:#f8fafc;border:1px solid #e2e8f0;justify-content:space-between;align-items:center;gap:6px;padding:10px 14px;font-size:.78rem;font-weight:700;display:flex}.legend-item{align-items:center;gap:6px;display:flex}.legend-dot{border-radius:4px;width:12px;height:12px}.legend-dot.ok{background:var(--ok-bright)}.legend-dot.warn{background:var(--warn-bright)}.legend-dot.empty{background:#cbd5e1}.palette-grid{grid-template-columns:repeat(5,1fr);gap:10px;display:grid}.palette-btn{aspect-ratio:1;border-radius:var(--radius-md);color:#64748b;cursor:pointer;background:#f8fafc;border:2px solid #e2e8f0;justify-content:center;align-items:center;font-size:.98rem;font-weight:800;transition:all .2s cubic-bezier(.16,1,.3,1);display:flex;position:relative}.palette-btn:hover{border-color:var(--brand);color:var(--brand);background:#fff;transform:translateY(-2px)}.palette-btn.active{border-color:var(--brand);box-shadow:0 0 0 3px var(--brand-glow)}.palette-btn.answered{background:var(--ok-bright);border-color:var(--ok);color:#fff}.palette-btn.flagged{background:var(--warn-bright);border-color:var(--warn);color:#fff}.palette-flag-corner{font-size:.65rem;position:absolute;top:2px;right:2px}.submit-exam-btn{border-radius:var(--radius-md);background:var(--brand-gradient);color:#fff;cursor:pointer;width:100%;box-shadow:0 4px 16px var(--brand-glow);border:none;justify-content:center;align-items:center;gap:8px;padding:14px;font-size:1rem;font-weight:800;transition:all .2s;display:flex}.submit-exam-btn:hover{box-shadow:0 8px 24px var(--brand-glow);filter:brightness(1.08);transform:translateY(-1px)}.modal-backdrop{z-index:100;-webkit-backdrop-filter:blur(8px);background:#0f172aa6;justify-content:center;align-items:center;padding:16px;display:flex;position:fixed;inset:0}.modal-card{border-radius:var(--radius-lg);box-shadow:var(--shadow-xl);text-align:center;background:#fff;border:1px solid #e2e8f0;width:100%;max-width:480px;max-height:90vh;padding:32px 28px;animation:.25s cubic-bezier(.16,1,.3,1) modal-pop;position:relative;overflow-y:auto}@keyframes modal-pop{0%{opacity:0;transform:scale(.94)}to{opacity:1;transform:scale(1)}}.modal-icon{border-radius:50%;justify-content:center;align-items:center;width:60px;height:60px;margin:0 auto 16px;font-size:1.8rem;display:flex}.modal-icon.warn{color:var(--warn);background:#fef3c7}.modal-icon.danger{color:var(--danger);background:#fee2e2}.modal-icon.info{color:var(--brand);background:#eff6ff}.modal-card h2{color:#0f172a;margin:0 0 10px;font-size:1.35rem;font-weight:800}.modal-card p{color:var(--text-muted);margin:0 0 20px;font-size:.95rem;line-height:1.6}.modal-actions{justify-content:center;align-items:center;gap:12px;display:flex}.btn-secondary{border-radius:var(--radius-md);color:#334155;cursor:pointer;background:#f1f5f9;border:1px solid #cbd5e1;padding:10px 20px;font-weight:700;transition:all .2s}.btn-secondary:hover{background:#e2e8f0}.btn-danger{border-radius:var(--radius-md);color:#fff;cursor:pointer;background:#dc2626;border:none;padding:10px 20px;font-weight:700;transition:all .2s}.btn-danger:hover{background:#b91c1c}.done-container{justify-content:center;align-items:center;min-height:100vh;padding:24px 16px;display:flex}.done-card{border-radius:var(--radius-lg);width:100%;max-width:580px;box-shadow:var(--shadow-xl);text-align:center;background:#fff;border:1px solid #e2e8f0;padding:38px 30px}.done-badge-icon{background:var(--ok-gradient);color:#fff;border-radius:50%;justify-content:center;align-items:center;width:76px;height:76px;margin:0 auto 18px;font-size:2.2rem;display:flex;box-shadow:0 10px 24px #10b98159}.score-display-box{border-radius:var(--radius-md);background:#f8fafc;border:1.5px solid #e2e8f0;margin:20px 0;padding:20px}.score-big{color:var(--brand);font-size:3rem;font-weight:900;line-height:1}.score-percentage{color:#334155;margin-top:6px;font-size:1.1rem;font-weight:800}.stat-pills-row{justify-content:center;gap:12px;margin-top:16px;display:flex}.stat-pill{border-radius:var(--radius-full);background:#fff;border:1px solid #cbd5e1;padding:6px 14px;font-size:.82rem;font-weight:700}.secure,.secure *{-webkit-user-select:none;user-select:none;-webkit-touch-callout:none}.watermark{pointer-events:none;z-index:2;opacity:.05;position:fixed;inset:0}.mobile-palette-strip{display:none}@media (max-width:860px){.exam-navbar{flex-wrap:wrap;gap:8px;padding:10px 14px}.brand-logo{width:34px;height:34px;font-size:1.05rem}.brand-info h2{font-size:.95rem}.proctor-live-badge{padding:1px 6px;font-size:.68rem}.header-actions{gap:6px}.timer-pill{padding:4px 10px;font-size:.88rem}.strikes-pill,.fs-btn{padding:4px 8px;font-size:.74rem}.candidate-pill{padding:3px 6px}.candidate-name{display:none}.candidate-avatar{width:24px;height:24px;font-size:.7rem}.mobile-subbar{border-top:1px solid #f1f5f9;justify-content:space-between;align-items:center;width:100%;margin-top:2px;padding-top:6px;display:flex}.mobile-progress-text{color:var(--text-muted);font-size:.78rem;font-weight:700}.exam-container{flex-direction:column;gap:12px;padding:10px 12px 90px;display:flex}.mobile-palette-strip{-webkit-overflow-scrolling:touch;scrollbar-width:none;align-items:center;gap:8px;padding:4px 2px 8px;display:flex;overflow-x:auto}.mobile-palette-strip::-webkit-scrollbar{display:none}.mobile-palette-btn{border-radius:var(--radius-sm);color:#475569;cursor:pointer;width:42px;height:42px;box-shadow:var(--shadow-sm);background:#fff;border:1.5px solid #cbd5e1;flex-shrink:0;justify-content:center;align-items:center;font-size:.95rem;font-weight:800;display:flex;position:relative}.mobile-palette-btn:active{transform:scale(.96)}.mobile-palette-btn.active{border-color:var(--brand);box-shadow:0 0 0 3px var(--brand-glow);color:var(--brand);background:var(--brand-subtle)}.mobile-palette-btn.answered{background:var(--ok-bright);border-color:var(--ok);color:#fff}.mobile-palette-btn.flagged{background:var(--warn-bright);border-color:var(--warn);color:#fff}.palette-card{display:none}.question-card{border-radius:var(--radius-md);gap:16px;padding:20px 16px}.question-header{padding-bottom:12px}.question-badge{padding:4px 10px;font-size:.8rem}.question-status-tag{padding:3px 8px;font-size:.74rem}.question-text{font-size:1.15rem;line-height:1.5}.opt-card{border-radius:var(--radius-sm);gap:12px;min-height:52px;padding:13px 14px}.opt-key{width:32px;height:32px;font-size:.88rem}.opt-label{font-size:.96rem;line-height:1.45}.question-nav-actions{gap:8px;padding-top:16px}.nav-btn{flex:1;justify-content:center;padding:11px 14px;font-size:.88rem}.flag-btn{justify-content:center;padding:11px 12px;font-size:.84rem}.modal-card{border-radius:var(--radius-md);padding:24px 16px}.modal-card h2{font-size:1.25rem}.modal-card p{margin-bottom:16px;font-size:.88rem}.modal-actions{flex-direction:column;gap:10px;width:100%}.modal-actions button{width:100%}.done-card{border-radius:var(--radius-md);padding:26px 16px}.done-badge-icon{width:64px;height:64px;margin-bottom:14px;font-size:1.8rem}.done-card h1{font-size:1.45rem!important}.score-big{font-size:2.5rem}}@media (max-width:480px){.exam-navbar{padding:8px 10px}.timer-pill{padding:4px 8px;font-size:.82rem}.strikes-pill,.fs-btn{padding:4px 6px;font-size:.7rem}.question-card{padding:16px 12px}.question-text{font-size:1.08rem}.opt-card{gap:10px;padding:11px 12px}.opt-key{width:30px;height:30px;font-size:.82rem}.opt-label{font-size:.92rem}.question-nav-actions{grid-template-columns:1fr 1fr;gap:8px;display:grid}.flag-btn{grid-column:span 2}}