:root{--primary:#0ea5e9;--primary-light:#f0f9ff;--primary-hover:#0284c7;--success:#10b981;--success-light:#d1fae5;--danger:#ef4444;--danger-light:#fee2e2;--warning:#f59e0b;--warning-light:#fef3c7;--bg-body:#f8fafc;--bg-card:#fff;--text-main:#1e293b;--text-muted:#64748b;--border:#e2e8f0;--shadow-soft:0 4px 20px -2px #0000000d;--radius-lg:16px;--radius-md:10px}[data-theme=dark]{--bg-body:#0f172a;--bg-card:#1e293b;--text-main:#f8fafc;--text-muted:#94a3b8;--border:#334155;--primary-light:#0ea5e926;--success-light:#10b98126;--danger-light:#ef444426;--warning-light:#f59e0b26;--shadow-soft:0 4px 20px -2px #0000004d}*{box-sizing:border-box;margin:0;padding:0}body{background:var(--bg-body);color:var(--text-main);font-family:Inter,Hind Siliguri,sans-serif;line-height:1.6;transition:background-color .3s,color .3s;overflow-x:hidden}.hamburger-btn{background-color:var(--primary);color:#fff;cursor:pointer;border:none;border-radius:8px;justify-content:center;align-items:center;width:45px;height:45px;font-size:20px;transition:all .3s;display:flex;box-shadow:0 4px 10px #0ea5e94d}.hamburger-btn:hover{background-color:var(--primary-hover)}.side-menu{background-color:var(--bg-card);z-index:1000;flex-direction:column;width:280px;height:100vh;transition:left .3s cubic-bezier(.4,0,.2,1);display:flex;position:fixed;top:0;left:-300px;box-shadow:4px 0 20px #0000001a}.side-menu.open{left:0}.side-menu-header{justify-content:space-between;align-items:center;padding:25px 25px 15px;display:flex}.side-menu-header h3{color:var(--text-main);margin:0;font-family:Outfit;font-size:24px;font-weight:800}.close-btn{color:var(--text-muted);cursor:pointer;background:0 0;border:none;font-size:20px;transition:all .2s}.close-btn:hover{color:var(--danger);transform:scale(1.1)}.side-menu-links{flex-direction:column;flex-grow:1;gap:5px;margin:0;padding:10px 15px;list-style:none;display:flex}.side-menu-links a{color:var(--text-main);border-radius:30px;align-items:center;gap:15px;padding:14px 20px;font-family:Inter;font-size:15px;font-weight:600;text-decoration:none;transition:all .2s;display:flex}.side-menu-links a i{color:var(--primary);text-align:center;width:24px;font-size:18px;transition:all .2s}.side-menu-links a:hover,.side-menu-links a.active{background-color:var(--primary-light);color:var(--primary)}.side-menu-links a:hover i,.side-menu-links a.active i{color:var(--primary)}.side-menu-footer{margin-top:auto;padding:20px 30px 40px}.logout-link{color:var(--text-main);align-items:center;gap:15px;font-family:Inter;font-size:15px;font-weight:700;text-decoration:none;transition:all .2s;display:flex}.logout-link:hover{color:var(--danger)}.logout-link i{color:var(--danger);font-size:18px;transform:rotate(180deg)}.menu-overlay{-webkit-backdrop-filter:blur(2px);backdrop-filter:blur(2px);z-index:999;opacity:0;visibility:hidden;background:#0f172a66;width:100%;height:100%;transition:all .3s;position:fixed;top:0;left:0}.menu-overlay.open{opacity:1;visibility:visible}.top-nav{background:rgba(var(--bg-card), .9);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border-bottom:1px solid var(--border);z-index:100;box-shadow:var(--shadow-soft);background-color:var(--bg-card);justify-content:space-between;align-items:center;padding:15px 30px;display:flex;position:sticky;top:0}.nav-logo{color:var(--primary);cursor:pointer;align-items:center;gap:8px;font-family:Outfit;font-size:22px;font-weight:800;display:flex}.nav-actions{align-items:center;gap:10px;display:flex}.theme-toggle{border:1px solid var(--border);color:var(--text-muted);cursor:pointer;background:0 0;border-radius:50%;justify-content:center;align-items:center;width:40px;height:40px;font-size:18px;transition:all .3s;display:flex}.theme-toggle:hover{background:var(--bg-body);color:var(--primary);border-color:var(--primary)}.btn{border-radius:var(--radius-md);cursor:pointer;border:none;justify-content:center;align-items:center;gap:8px;padding:10px 20px;font-family:Outfit;font-size:15px;font-weight:600;transition:all .3s;display:inline-flex}.btn-primary{background:var(--primary);color:#fff;box-shadow:0 4px 12px #0ea5e94d}.btn-primary:hover{background:var(--primary-hover);transform:translateY(-2px)}.btn-warning{background:var(--warning);color:#fff}.btn-danger{background:var(--danger);color:#fff}.btn-danger:hover{background:#dc2626;transform:translateY(-2px)}.btn-outline{border:2px solid var(--border);color:var(--text-main);background:0 0}.btn-outline:hover{background:var(--bg-body);border-color:var(--primary);color:var(--primary)}.btn-delete-report{color:var(--danger);cursor:pointer;background:0 0;border:none;padding:5px;font-size:18px;transition:all .2s}.btn-delete-report:hover{color:#b91c1c;transform:scale(1.1)}.view-section{max-width:850px;margin:40px auto;padding:0 20px;animation:.4s forwards fadeIn;display:none;position:relative}.view-section.active{display:block}@keyframes fadeIn{0%{opacity:0;transform:translateY(15px)}to{opacity:1;transform:translateY(0)}}.dash-header{text-align:center;margin-bottom:30px}.dash-header h1{color:var(--text-main);margin-bottom:10px;font-family:Outfit;font-size:28px;font-weight:800}.search-box{max-width:500px;margin:0 auto 40px;position:relative}.search-box input{border:2px solid var(--border);background:var(--bg-card);width:100%;color:var(--text-main);border-radius:30px;padding:15px 20px 15px 45px;font-family:Inter;font-size:16px;transition:all .3s}.search-box input:focus{border-color:var(--primary);box-shadow:0 0 0 4px var(--primary-light);outline:none}.search-box i{color:var(--text-muted);font-size:18px;position:absolute;top:17px;left:18px}#dashboardGrid{flex-direction:column;gap:18px;max-width:850px;margin:0 auto;display:flex}.list-sleek{background:var(--bg-card);box-shadow:var(--shadow-soft);border:1px solid var(--border);border-radius:20px;justify-content:space-between;align-items:center;gap:20px;padding:25px;transition:all .3s;display:flex;position:relative;overflow:hidden}.list-sleek:before{content:"";background:var(--primary);border-radius:20px 0 0 20px;width:6px;transition:all .3s;position:absolute;top:0;bottom:0;left:0}.list-sleek:hover{transform:translate(8px);box-shadow:0 15px 35px #0000000f}[data-theme=dark] .list-sleek:hover{box-shadow:0 15px 35px #0006}.list-sleek:hover:before{width:10px}.list-sleek .info h3{color:var(--text-main);letter-spacing:-.5px;flex-wrap:wrap;align-items:center;gap:10px;margin:0 0 10px;font-family:Outfit;font-size:20px;display:flex}.list-sleek .info p{color:var(--text-muted);flex-wrap:wrap;align-items:center;gap:8px;margin:0;font-size:14px;font-weight:500;display:flex}.list-sleek .info p i{color:var(--primary);margin-right:2px}.list-sleek .btn-sleek{color:var(--primary);border:2px solid var(--primary);cursor:pointer;white-space:nowrap;background:0 0;border-radius:30px;align-items:center;gap:8px;padding:10px 25px;font-family:Outfit;font-size:15px;font-weight:700;transition:all .3s;display:inline-flex}.list-sleek .btn-sleek:hover{background:var(--primary);color:#fff}.list-sleek.pro:before{background:var(--warning)}.list-sleek.pro .info p i{color:var(--warning)}.list-sleek.pro .btn-sleek{color:var(--warning);border-color:var(--warning)}.list-sleek.pro .btn-sleek:hover{background:var(--warning);color:#fff}.list-sleek.locked{opacity:.75;cursor:not-allowed}.pro-tag{background:var(--warning-light);color:var(--warning);border-radius:8px;padding:4px 10px;font-size:12px;font-weight:800}@media (width<=650px){.list-sleek{text-align:left;flex-direction:column;align-items:stretch}}.history-card{background:var(--bg-card);border-radius:var(--radius-lg);box-shadow:var(--shadow-soft);border:1px solid var(--border);padding:30px;overflow-x:auto}.data-table{border-collapse:collapse;text-align:left;width:100%}.data-table th,.data-table td{border-bottom:1px solid var(--border);padding:15px 20px;font-size:15px}.data-table th{background:var(--bg-body);color:var(--text-muted);text-transform:uppercase;font-family:Outfit;font-size:13px;font-weight:700}.data-table tbody tr:hover{background:var(--bg-body)}.badge{border-radius:6px;padding:4px 10px;font-family:Outfit;font-size:12px;font-weight:700}.badge.pass{background:var(--success-light);color:var(--success)}.badge.fail{background:var(--danger-light);color:var(--danger)}.instruction-box{background:var(--primary-light);border:1px solid var(--border);border-radius:var(--radius-md);color:var(--text-main);margin-bottom:30px;padding:25px}.instruction-box ul{margin-top:15px;padding-left:20px;font-size:15px}.instruction-box li{margin-bottom:10px}.instruction-box i{color:var(--primary);text-align:center;width:16px;margin-right:8px}.live-status-bar{background:var(--bg-card);border-radius:var(--radius-lg);border:1px solid var(--border);box-shadow:var(--shadow-soft);z-index:90;justify-content:space-between;align-items:center;margin-bottom:30px;padding:15px 25px;display:flex;position:sticky;top:80px}.tracker-info{flex-direction:column;gap:5px;width:50%;display:flex}.tracker-text{color:var(--text-muted);justify-content:space-between;font-family:Outfit;font-size:14px;font-weight:700;display:flex}.prog-bg{background:var(--border);border-radius:10px;width:100%;height:6px;overflow:hidden}.prog-fill{background:var(--primary);width:0%;height:100%;transition:width .3s}.timer-box{color:var(--primary);background:var(--primary-light);border-radius:30px;align-items:center;gap:10px;padding:8px 20px;font-family:Outfit;font-size:18px;font-weight:800;transition:all .3s;display:flex}.timer-box.warning{color:var(--danger);background:var(--danger-light);animation:1s infinite pulseRed}@keyframes pulseRed{0%,to{transform:scale(1)}50%{transform:scale(1.05)}}.question-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-lg);box-shadow:var(--shadow-soft);margin-bottom:30px;padding:30px;scroll-margin-top:160px;transition:all .3s}.q-header{align-items:flex-start;gap:15px;margin-bottom:20px;display:flex}.q-serial{background:var(--primary-light);color:var(--primary);white-space:nowrap;border-radius:6px;padding:4px 12px;font-family:Outfit;font-size:14px;font-weight:800}.q-text{color:var(--text-main);width:100%;font-family:Inter;font-size:18px;font-weight:600;line-height:1.7}.q-img{border:1px solid var(--border);border-radius:8px;max-width:100%;max-height:200px;margin-top:15px;display:block}.options-grid{grid-template-columns:1fr 1fr;gap:15px;display:grid}@media (width<=600px){.options-grid{grid-template-columns:1fr}}.opt-label{border:2px solid var(--border);border-radius:var(--radius-md);cursor:pointer;background:var(--bg-card);align-items:center;padding:15px 20px;font-family:Inter;font-size:16px;font-weight:500;transition:all .2s;display:flex}.opt-label:hover{border-color:var(--primary-light);background:var(--primary-light)}.opt-label.selected{border-color:var(--primary);background:var(--primary-light);transform:scale(1.01);box-shadow:0 4px 12px #0ea5e926}.opt-label input{display:none}.opt-char{background:var(--bg-body);width:28px;height:28px;color:var(--text-muted);border-radius:6px;justify-content:center;align-items:center;margin-right:15px;font-family:Outfit;font-size:14px;font-weight:800;transition:all .2s;display:flex}.opt-label.selected .opt-char{background:var(--primary);color:#fff}.clear-btn{color:var(--text-muted);cursor:pointer;opacity:0;pointer-events:none;background:0 0;border:none;align-items:center;gap:5px;margin-top:15px;font-size:13px;font-weight:600;transition:all .2s;display:flex}.clear-btn.visible{opacity:1;pointer-events:auto}.clear-btn:hover{color:var(--danger)}.modal-overlay{-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);z-index:1000;opacity:0;background:#0f172a99;justify-content:center;align-items:center;width:100%;height:100%;transition:all .3s;display:none;position:fixed;top:0;left:0}.modal-overlay.active{opacity:1;display:flex}.modal-box{background:var(--bg-card);border-radius:var(--radius-lg);text-align:center;border:1px solid var(--border);width:90%;max-width:400px;padding:30px;transition:all .3s;transform:translateY(20px);box-shadow:0 20px 25px -5px #0000001a}.modal-overlay.active .modal-box{transform:translateY(0)}.modal-box i{color:var(--warning);margin-bottom:15px;font-size:40px}.modal-box h3{color:var(--text-main);margin-bottom:10px;font-family:Outfit;font-size:22px}.modal-box p{color:var(--text-muted);margin-bottom:25px;font-size:15px}.modal-actions{justify-content:center;gap:15px;display:flex}.report-header{background:var(--bg-card);border-radius:var(--radius-lg);text-align:center;box-shadow:var(--shadow-soft);border:1px solid var(--border);margin-bottom:30px;padding:40px}.score-ring-container{width:160px;height:160px;margin:0 auto 20px;position:relative}.score-ring{background:conic-gradient(var(--primary) var(--progress,0%), var(--bg-body) 0);border-radius:50%;justify-content:center;align-items:center;width:100%;height:100%;transition:background 1s ease-out;display:flex}.score-ring:before{content:"";background:var(--bg-card);border-radius:50%;position:absolute;inset:12px}.score-content{z-index:1;flex-direction:column;align-items:center;display:flex;position:relative}.score-val{color:var(--text-main);font-family:Outfit;font-size:42px;font-weight:800;line-height:1}.score-label{color:var(--text-muted);text-transform:uppercase;margin-top:5px;font-size:13px;font-weight:600}.stamp{letter-spacing:1px;text-transform:uppercase;border:2px solid;border-radius:30px;margin-bottom:20px;padding:6px 20px;font-size:16px;font-weight:800;display:inline-block}.stamp.pass{color:var(--success);background:var(--success-light);border-color:var(--success)}.stamp.fail{color:var(--danger);background:var(--danger-light);border-color:var(--danger)}.stats-grid{grid-template-columns:repeat(4,1fr);gap:15px;margin-top:30px;display:grid}@media (width<=600px){.stats-grid{grid-template-columns:1fr 1fr}}.stat-box{background:var(--bg-body);border-radius:var(--radius-md);text-align:center;border:1px solid var(--border);padding:15px}.stat-box .num{margin-bottom:5px;font-family:Outfit;font-size:22px;font-weight:800}.stat-box .text{color:var(--text-muted);text-transform:uppercase;font-size:12px;font-weight:700}.review-card{background:var(--bg-card);border-radius:var(--radius-md);box-shadow:var(--shadow-soft);border:1px solid var(--border);margin-bottom:20px;padding:25px;position:relative}.review-card.correct{border-left:5px solid var(--success)}.review-card.wrong{border-left:5px solid var(--danger)}.review-card.skipped{border-left:5px solid var(--text-muted)}.rev-status-icon{font-size:20px;position:absolute;top:25px;right:25px}.correct .rev-status-icon{color:var(--success)}.wrong .rev-status-icon{color:var(--danger)}.skipped .rev-status-icon{color:var(--text-muted)}#confetti-canvas{pointer-events:none;z-index:9999;width:100%;height:100%;position:fixed;top:0;left:0}.premium-modal-box{background:var(--bg-card);text-align:center;border:1px solid var(--border);border-radius:20px;width:90%;max-width:450px;max-height:90vh;padding:35px 30px;position:relative;overflow-y:auto;box-shadow:0 25px 50px -12px #00000040}.pm-close-btn{background:var(--bg-body);width:32px;height:32px;color:var(--text-muted);cursor:pointer;border:none;border:1px solid var(--border);border-radius:50%;justify-content:center;align-items:center;font-size:16px;transition:all .3s;display:flex;position:absolute;top:15px;right:15px}.pm-close-btn:hover{background:var(--danger-light);color:var(--danger);border-color:var(--danger-light);transform:rotate(90deg)}.premium-modal-box::-webkit-scrollbar{width:6px}.premium-modal-box::-webkit-scrollbar-track{background:0 0}.premium-modal-box::-webkit-scrollbar-thumb{background:#cbd5e1;border-radius:10px}[data-theme=dark] .premium-modal-box::-webkit-scrollbar-thumb{background:#475569}.premium-modal-box:before{content:"";background:linear-gradient(90deg,#0ea5e9,#10b981);border-radius:20px 20px 0 0;width:100%;height:8px;position:absolute;top:0;left:0}.pm-icon{background:-webkit-linear-gradient(#0ea5e9,#10b981);-webkit-text-fill-color:transparent;-webkit-background-clip:text;background-clip:text;margin-bottom:15px;font-size:45px}.premium-modal-box h2{color:var(--text-main);margin:0 0 15px;font-family:Outfit;font-size:26px;font-weight:800}.pm-instruction{color:var(--text-main);text-align:justify;background:var(--bg-body);border:1px solid var(--border);border-radius:12px;margin-bottom:20px;padding:15px;font-size:15px;font-weight:500;line-height:1.6}.pm-benefits-title{color:var(--text-muted);text-align:center;margin-bottom:12px;font-family:Outfit;font-size:14px;font-weight:700}.pm-feature-grid{grid-template-columns:1fr 1fr;gap:10px;margin-bottom:30px;display:grid}[data-theme=light] .pm-feature{color:#166534;background:#f0fdf4;border:1px solid #bbf7d0}[data-theme=dark] .pm-feature{color:#d1fae5;background:#10b9811a;border:1px solid #10b98133}.pm-feature{text-align:left;border-radius:10px;align-items:center;gap:8px;padding:12px 10px;font-size:13px;font-weight:700;display:flex}.pm-feature i{color:#10b981;font-size:15px}.pm-btn-primary{color:#fff;cursor:pointer;background:linear-gradient(135deg,#0ea5e9,#0284c7);border:none;border-radius:30px;justify-content:center;align-items:center;gap:8px;width:100%;padding:15px;font-family:Outfit;font-size:15px;font-weight:700;transition:all .3s;display:flex;box-shadow:0 10px 25px #0ea5e966}.pm-btn-primary:hover{transform:translateY(-3px);box-shadow:0 15px 35px #0ea5e980}.pm-btn-cancel{border:2px solid var(--border);color:var(--text-muted);cursor:pointer;background:0 0;border-radius:30px;width:100%;margin-top:15px;padding:13px;font-size:14px;font-weight:700;transition:all .3s}.pm-btn-cancel:hover{border-color:var(--danger);color:var(--danger)}