:root{--panel-bg:rgba(30,41,59,0.7);--panel-border:rgba(255,255,255,0.1);--primary:#3b82f6;--primary-hover:#2563eb;--success:#10b981;--danger:#ef4444;--warning:#f59e0b;--review:#8b5cf6;--text-main:#f8fafc;--text-muted:#94a3b8;}body.dark-theme{color:var(--text-main);font-family:'Inter',sans-serif;margin:0;padding:0;height:100vh;display:flex;flex-direction:column;overflow:hidden;}.glass-panel{background:var(--panel-bg);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border:1px solid var(--panel-border);border-radius:12px;}.exam-title{font-size:1.25rem;font-weight:600;}.screen{display:none;flex:1;overflow-y:auto;padding:0 1.5rem 1.5rem;}.screen.active{display:flex;flex-direction:column;}#loading-screen{align-items:center;justify-content:center;}.loader{border:4px solid var(--panel-border);border-top:4px solid var(--primary);border-radius:50%;width:50px;height:50px;animation:spin 1s linear infinite;margin-bottom:1rem;}@keyframes spin{0%{transform:rotate(0deg);}100%{transform:rotate(360deg);}}.exam-container{display:flex;gap:1.5rem;height:100%;max-width:100%;margin:0 auto;width:100%;}.ad-container{margin-bottom:1.5rem;min-height:90px;width:100%;display:flex;justify-content:center;}.question-panel{flex:3;display:flex;flex-direction:column;gap:1.5rem;overflow-y:auto;padding:1.5rem;background:rgba(255,255,255,0.03);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border:1px solid rgba(255,255,255,0.05);border-radius:16px;box-shadow:0 8px 32px 0 rgba(0,0,0,0.3);}.status-panel{flex:1;min-width:300px;display:flex;flex-direction:column;gap:1rem;padding:1.5rem;background:rgba(255,255,255,0.03);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border:1px solid rgba(255,255,255,0.05);border-radius:16px;box-shadow:0 8px 32px 0 rgba(0,0,0,0.3);}.question-header{display:flex;justify-content:space-between;padding:1rem;background:var(--panel-bg);border:1px solid var(--panel-border);border-radius:8px;font-weight:600;}.q-marks{color:var(--text-muted);font-size:0.9rem;}.question-content{font-size:1.2rem;line-height:1.6;padding:1.5rem;background:var(--panel-bg);border:1px solid var(--panel-border);border-radius:12px;}.options-container{display:flex;flex-direction:column;gap:1rem;}.option-label{display:flex;align-items:center;padding:1rem;background:var(--panel-bg);border:1px solid var(--panel-border);border-radius:8px;cursor:pointer;transition:all 0.2s ease;}.option-label:hover{background:rgba(255,255,255,0.05);border-color:var(--primary);}.option-label input[type="radio"]{margin-right:1rem;transform:scale(1.2);accent-color:var(--primary);}.option-label.selected{background:rgba(59,130,246,0.1);border-color:var(--primary);}.action-buttons{display:flex;justify-content:space-between;margin-top:auto;gap:1rem;}.btn{padding:0.75rem 1.5rem;border:none;border-radius:8px;font-weight:600;cursor:pointer;transition:all 0.2s ease;font-family:inherit;}.btn-primary{background:var(--primary);color:white;}.btn-primary:hover{background:var(--primary-hover);}.btn-secondary{background:var(--review);color:white;}.btn-secondary:hover{background:#7c3aed;}.btn-danger{background:var(--danger);color:white;}.btn-danger:hover{background:#dc2626;}.btn-outline{background:transparent;border:1px solid var(--text-muted);color:var(--text-main);}.btn-warning{background:rgba(245,158,11,0.1);border:1px solid var(--warning);color:var(--warning);}.btn-warning:hover{background:var(--warning);color:#fff;box-shadow:0 0 15px rgba(245,158,11,0.4);}.btn-outline:hover{background:rgba(255,255,255,0.1);}.timer-card{display:flex;align-items:center;gap:1rem;padding:1rem;background:var(--panel-bg);border:1px solid var(--panel-border);border-radius:12px;font-size:1.25rem;font-weight:700;color:var(--danger);}.palette-stats{display:grid;grid-template-columns:1fr 1fr;gap:0.5rem;padding:1rem;background:var(--panel-bg);border:1px solid var(--panel-border);border-radius:12px;font-size:0.9rem;}.stat-item{display:flex;align-items:center;gap:0.5rem;}.badge{width:12px;height:12px;border-radius:50%;display:inline-block;}.badge.answered{background:var(--success);}.badge.not-answered{background:var(--danger);}.badge.review{background:var(--review);}.badge.not-visited{background:rgba(255,255,255,0.1);border:1px solid rgba(255,255,255,0.2);}.palette-container{display:flex;flex-direction:column;gap:1.5rem;padding:1rem;background:transparent;border:none;overflow-y:auto;max-height:calc(100vh - 300px);}.palette-section-title{font-size:0.95rem;font-weight:700;color:var(--text-muted);border-bottom:1px solid rgba(255,255,255,0.1);padding-bottom:0.5rem;margin-bottom:-0.5rem;font-family:'Outfit',sans-serif;letter-spacing:0.5px;}.palette-section-title.active{color:var(--primary);border-color:var(--primary);}.palette-grid-inner{display:grid;grid-template-columns:repeat(auto-fill,minmax(40px,1fr));gap:0.5rem;}.pal-btn{width:100%;aspect-ratio:1;border:1px solid rgba(255,255,255,0.1);border-radius:6px;background:rgba(255,255,255,0.05);color:var(--text-main);font-weight:600;cursor:pointer;transition:all 0.2s ease;}.pal-btn:hover{transform:scale(1.1);}.pal-btn.answered{background:var(--success);color:white;}.pal-btn.not-answered{background:var(--danger);color:white;}.pal-btn.review{background:var(--review);color:white;}.result-container{max-width:1200px;width:100%;margin:0 auto;text-align:center;}.detailed-stats-card{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:1.5rem;padding:2rem;background:rgba(255,255,255,0.03);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border:1px solid rgba(255,255,255,0.05);border-radius:20px;box-shadow:0 10px 40px 0 rgba(0,0,0,0.4),inset 0 1px 1px rgba(255,255,255,0.1);margin-top:2rem;width:100%;}.stat-box{display:flex;flex-direction:column;align-items:center;justify-content:center;background:rgba(0,0,0,0.2);padding:1.5rem;border-radius:12px;border:1px solid rgba(255,255,255,0.03);}.score-value{font-size:3.5rem;font-weight:900;margin-top:0.5rem;background:linear-gradient(135deg,#8b5cf6,#f43f5e);-webkit-background-clip:text;-webkit-text-fill-color:transparent;text-shadow:0 4px 20px rgba(139,92,246,0.3);}.stat-label{font-size:0.9rem;color:var(--text-muted);text-transform:uppercase;letter-spacing:1px;margin-bottom:0.5rem;font-family:'Outfit',sans-serif;}.stat-number{font-size:1.8rem;font-weight:700;}.text-success{color:var(--success);}.text-danger{color:var(--danger);}.text-primary{color:var(--primary);}.review-card{background:rgba(255,255,255,0.03);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border:1px solid rgba(255,255,255,0.05);border-radius:16px;box-shadow:0 8px 32px 0 rgba(0,0,0,0.3);padding:1.5rem;margin-bottom:1.5rem;width:100%;text-align:left;}.review-q{font-size:1.1rem;font-weight:600;margin-bottom:1rem;}.review-opt{padding:0.75rem;border-radius:6px;margin-bottom:0.5rem;border:1px solid var(--panel-border);}.review-opt.correct{background:rgba(16,185,129,0.2);border-color:var(--success);}.review-opt.incorrect{background:rgba(239,68,68,0.2);border-color:var(--danger);}.explanation-box{margin-top:1rem;padding:1rem;background:rgba(59,130,246,0.1);border-left:4px solid var(--primary);border-radius:4px;}.mt-4{margin-top:1.5rem;}.text-center{text-align:center;}@media (max-width:1024px){.exam-container{flex-direction:column;}.status-panel{min-width:100%;max-height:300px;}}@media (max-width:768px){.action-buttons{flex-wrap:wrap;}.btn{flex:1 1 100%;margin-bottom:0.5rem;}.palette-container{max-height:180px;overflow-y:auto;}body.dark-theme{height:auto;overflow:auto;}.navbar{flex-wrap:wrap;padding:1rem;gap:1rem;justify-content:center;}.exam-title{display:none;}.nav-links{width:100%;justify-content:space-between;gap:0.5rem !important;}.nav-links .btn{flex:1;margin-bottom:0;}.detailed-stats-card{grid-template-columns:1fr 1fr;padding:1rem;gap:1rem;}.detailed-stats-card .stat-box:first-child{grid-column:1 / -1;}.score-value{font-size:2.5rem !important;}}.section-tabs{display:flex;gap:0.5rem;margin-bottom:1rem;border-bottom:1px solid var(--panel-border);padding-bottom:0.5rem;overflow-x:auto;}.section-tab{padding:0.5rem 1rem;background:transparent;border:1px solid var(--panel-border);color:var(--text-main);border-radius:8px;font-weight:600;cursor:pointer;white-space:nowrap;transition:all 0.2s ease;}.section-tab.active{background:var(--primary-dim);color:var(--primary);border-color:var(--primary);}.section-tab:hover:not(.active){background:rgba(255,255,255,0.05);}