:root{--bg-primary: #080c14;--bg-secondary: #0f1626;--bg-card: rgba(17, 25, 44, .65);--bg-card-hover: rgba(26, 38, 66, .85);--border-glass: rgba(255, 255, 255, .06);--border-glass-active: rgba(139, 92, 246, .35);--accent-violet: #8b5cf6;--accent-violet-rgb: 139, 92, 246;--accent-cyan: #06b6d4;--accent-cyan-rgb: 6, 182, 212;--success-emerald: #10b981;--warning-amber: #f59e0b;--danger-rose: #f43f5e;--text-primary: #f8fafc;--text-secondary: #94a3b8;--text-muted: #64748b;--font-sans: "Inter", system-ui, -apple-system, sans-serif;--font-display: "Outfit", sans-serif;--transition-smooth: all .35s cubic-bezier(.16, 1, .3, 1);--shadow-glow: 0 0 25px rgba(139, 92, 246, .15);--shadow-glow-cyan: 0 0 25px rgba(6, 182, 212, .15)}*{box-sizing:border-box;margin:0;padding:0;scrollbar-width:thin;scrollbar-color:rgba(255,255,255,.1) transparent}body{background-color:var(--bg-primary);background-image:radial-gradient(at 0% 0%,rgba(139,92,246,.08) 0px,transparent 50%),radial-gradient(at 100% 100%,rgba(6,182,212,.08) 0px,transparent 50%),radial-gradient(at 50% 50%,rgba(15,22,38,.5) 0px,var(--bg-primary) 100%);background-attachment:fixed;color:var(--text-primary);font-family:var(--font-sans);min-height:100vh;line-height:1.6;-webkit-font-smoothing:antialiased;overflow-x:hidden}h1,h2,h3,h4{font-family:var(--font-display);font-weight:700;letter-spacing:-.02em}h1{background:linear-gradient(135deg,#fff 30%,#a78bfa);-webkit-background-clip:text;-webkit-text-fill-color:transparent}::-webkit-scrollbar{width:6px;height:6px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:#ffffff1a;border-radius:99px}::-webkit-scrollbar-thumb:hover{background:var(--accent-violet)}.app-wrapper{display:flex;min-height:100vh;width:100%;overflow:hidden;position:relative;background-color:var(--bg-primary)}.sidebar-container{width:250px;height:100vh;background:var(--bg-secondary);border-right:1px solid var(--border-glass);display:flex;flex-direction:column;transition:var(--transition-smooth);flex-shrink:0;z-index:100}.sidebar-logo{display:flex;align-items:center;gap:.75rem;padding:1.5rem;height:70px;border-bottom:1px solid var(--border-glass);flex-shrink:0}.sidebar-logo .logo-icon{font-size:1.5rem}.sidebar-logo .logo-text{font-family:var(--font-display);font-weight:800;font-size:1.2rem;background:linear-gradient(135deg,#fff 30%,#a78bfa);-webkit-background-clip:text;-webkit-text-fill-color:transparent;white-space:nowrap}.sidebar-nav{display:flex;flex-direction:column;gap:.35rem;padding:1.25rem .75rem;flex:1;overflow-y:auto}.sidebar-tab{display:flex;align-items:center;gap:1rem;background:transparent;border:none;color:var(--text-secondary);font-family:var(--font-display);font-weight:500;padding:.8rem 1rem;border-radius:12px;cursor:pointer;text-align:left;transition:var(--transition-smooth);width:100%;white-space:nowrap}.sidebar-tab:hover{color:var(--text-primary);background:#ffffff0a}.sidebar-tab.active{color:var(--text-primary);background:linear-gradient(135deg,var(--accent-violet),rgba(139,92,246,.4));box-shadow:var(--shadow-glow)}.sidebar-tab .tab-icon{font-size:1.2rem;display:inline-flex;align-items:center;justify-content:center;width:24px;height:24px;flex-shrink:0}.sidebar-tab-label{font-size:.9rem}.main-content-panel{flex:1;display:flex;flex-direction:column;height:100vh;overflow:hidden;position:relative}.top-header-bar{height:70px;display:flex;justify-content:space-between;align-items:center;padding:0 2rem;background:#0f172a59;-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);border-bottom:1px solid var(--border-glass);z-index:90;flex-shrink:0}.sidebar-toggle-btn{background:#ffffff08;border:1px solid var(--border-glass);color:var(--text-primary);width:38px;height:38px;border-radius:8px;display:flex;align-items:center;justify-content:center;cursor:pointer;font-size:1.1rem;transition:var(--transition-smooth)}.sidebar-toggle-btn:hover{background:#ffffff14;border-color:var(--accent-cyan);color:var(--accent-cyan)}.content-container{flex:1;overflow-y:auto;padding:2rem;max-width:100%}.user-profile-header{display:flex;align-items:center;gap:1rem;background:#ffffff08;padding:.35rem .85rem;border-radius:99px;border:1px solid var(--border-glass)}.app-wrapper.sidebar-collapsed .sidebar-container{width:70px}.app-wrapper.sidebar-collapsed .sidebar-logo{justify-content:center;padding:1.5rem 0}.app-wrapper.sidebar-collapsed .sidebar-tab{justify-content:center;padding:.8rem 0;gap:0}.exam-container-layout{display:grid;grid-template-columns:1fr 300px;gap:2rem;flex:1}@media (max-width: 992px){.sidebar-container{position:fixed;left:-250px;top:0;bottom:0;width:250px;z-index:1000;box-shadow:0 0 40px #000c}.app-wrapper.mobile-sidebar-open .sidebar-container{left:0}.app-wrapper.sidebar-collapsed .sidebar-container{left:-250px}.app-wrapper.mobile-sidebar-open.sidebar-collapsed .sidebar-container{left:0;width:250px}.top-header-bar{padding:0 1.25rem}.content-container{padding:1.25rem}.user-profile-header{padding:.25rem .5rem;gap:.5rem}.user-profile-text-info{display:none!important}}@media (max-width: 768px){.exam-container-layout{grid-template-columns:1fr;gap:1.5rem}}.dashboard-grid{display:grid;grid-template-columns:1fr 1fr;gap:1.5rem;margin-bottom:2rem}@media (max-width: 1024px){.dashboard-grid{grid-template-columns:1fr}}.panel-card{background:var(--bg-card);-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);border:1px solid var(--border-glass);border-radius:20px;padding:1.75rem;box-shadow:0 10px 30px #0003;transition:var(--transition-smooth)}.panel-card:hover{border-color:var(--border-glass-active);box-shadow:var(--shadow-glow)}.panel-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:1.5rem}.panel-title{display:flex;align-items:center;gap:.5rem;font-size:1.25rem;color:var(--text-primary)}.stats-strip{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:1rem;margin-bottom:2rem}.stat-box{background:#ffffff05;border:1px solid var(--border-glass);border-radius:16px;padding:1.25rem;display:flex;flex-direction:column;justify-content:space-between;min-height:110px;transition:var(--transition-smooth)}.stat-box:hover{background:#ffffff0a;transform:translateY(-2px)}.stat-label{color:var(--text-secondary);font-size:.85rem;font-weight:500;text-transform:uppercase;letter-spacing:.05em}.stat-value{font-family:var(--font-display);font-size:2rem;font-weight:800;color:var(--text-primary);line-height:1;margin-top:.5rem;display:flex;align-items:baseline;gap:.35rem}.stat-box.purple .stat-value{color:#a78bfa}.stat-box.cyan .stat-value{color:#67e8f9}.stat-box.emerald .stat-value{color:#34d399}.stat-box.amber .stat-value{color:#fbbf24}.dropzone{border:2px dashed rgba(255,255,255,.15);border-radius:16px;padding:3rem 2rem;text-align:center;cursor:pointer;transition:var(--transition-smooth);background:#ffffff03;display:flex;flex-direction:column;align-items:center;justify-content:center}.dropzone:hover,.dropzone.active{border-color:var(--accent-cyan);background:#06b6d40d;box-shadow:var(--shadow-glow-cyan)}.dropzone-icon{font-size:3rem;margin-bottom:1rem;animation:pulseGlow 2s infinite ease-in-out}.btn{background:linear-gradient(135deg,var(--accent-violet),rgba(139,92,246,.7));color:var(--text-primary);border:none;padding:.75rem 1.5rem;border-radius:12px;font-family:var(--font-display);font-weight:600;cursor:pointer;transition:var(--transition-smooth);display:inline-flex;align-items:center;gap:.5rem;box-shadow:var(--shadow-glow)}.btn:hover{transform:translateY(-1px);box-shadow:0 0 30px #8b5cf666}.btn:disabled{background:#ffffff0d;color:var(--text-muted);cursor:not-allowed;transform:none;box-shadow:none}.btn-secondary{background:#ffffff0d;border:1px solid var(--border-glass)}.btn-secondary:hover{background:#ffffff1a;box-shadow:none}.btn-cyan{background:linear-gradient(135deg,var(--accent-cyan),rgba(6,182,212,.7));box-shadow:var(--shadow-glow-cyan)}.btn-cyan:hover{box-shadow:0 0 30px #06b6d466}.queue-list{display:flex;flex-direction:column;gap:.75rem;max-height:380px;overflow-y:auto}.queue-item{background:#ffffff05;border:1px solid var(--border-glass);border-radius:12px;padding:1rem;display:flex;justify-content:space-between;align-items:center;transition:var(--transition-smooth)}.queue-item:hover{background:#ffffff0a}.queue-info{display:flex;flex-direction:column;gap:.25rem}.queue-name{font-weight:600;font-size:.95rem;color:var(--text-primary)}.queue-meta{font-size:.75rem;color:var(--text-secondary);display:flex;gap:1rem}.status-badge{padding:.25rem .75rem;border-radius:99px;font-size:.75rem;font-weight:600;letter-spacing:.05em;text-transform:uppercase;display:inline-flex;align-items:center;gap:.35rem}.status-badge.pending{background:#f59e0b26;color:var(--warning-amber);border:1px solid rgba(245,158,11,.3)}.status-badge.processing{background:#06b6d426;color:var(--accent-cyan);border:1px solid rgba(6,182,212,.3);animation:pulseGlow 1.5s infinite alternate}.status-badge.completed{background:#10b98126;color:var(--success-emerald);border:1px solid rgba(16,185,129,.3)}.status-badge.failed{background:#f43f5e26;color:var(--danger-rose);border:1px solid rgba(244,63,94,.3)}.logs-console{background:#020617;border:1px solid #1e293b;border-radius:12px;font-family:Consolas,Courier New,monospace;font-size:.8rem;padding:1rem;height:280px;overflow-y:auto;color:#38bdf8;display:flex;flex-direction:column;gap:.35rem}.log-line{line-height:1.4;word-break:break-all;animation:slideUp .2s ease-out}.log-line.warn{color:var(--warning-amber)}.log-line.error{color:var(--danger-rose)}.log-line.info{color:#38bdf8}.filter-bar{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:1rem;margin-bottom:1.5rem}@media (max-width: 768px){.filter-bar{grid-template-columns:1fr}}.form-control{background:#ffffff08;border:1px solid var(--border-glass);border-radius:10px;color:var(--text-primary);padding:.6rem 1rem;font-family:var(--font-sans);font-size:.9rem;width:100%;transition:var(--transition-smooth)}.form-control:focus{border-color:var(--accent-violet);outline:none;background:#ffffff0d}select.form-control option{background-color:#0f1626;color:#f8fafc}.questions-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(320px,1fr));gap:1.25rem;margin-bottom:2rem}.question-card{background:var(--bg-card);border:1px solid var(--border-glass);border-radius:16px;padding:1.25rem;cursor:pointer;display:flex;flex-direction:column;justify-content:space-between;min-height:220px;transition:var(--transition-smooth)}.question-card:hover{background:var(--bg-card-hover);border-color:var(--border-glass-active);transform:translateY(-3px);box-shadow:var(--shadow-glow)}.q-card-header{display:flex;justify-content:space-between;margin-bottom:.75rem}.q-num{font-weight:800;color:var(--text-muted);font-family:var(--font-display)}.q-text{font-size:.9rem;color:var(--text-primary);display:-webkit-box;-webkit-line-clamp:4;-webkit-box-orient:vertical;overflow:hidden;margin-bottom:1rem}.q-footer{display:flex;justify-content:space-between;align-items:center;border-top:1px solid rgba(255,255,255,.05);padding-top:.75rem;margin-top:auto}.badge{padding:.2rem .5rem;border-radius:6px;font-size:.7rem;font-weight:600}.badge.subject{background:#8b5cf626;color:#c084fc;border:1px solid rgba(139,92,246,.3)}.badge.difficulty{background:#06b6d426;color:#22d3ee;border:1px solid rgba(6,182,212,.3)}.badge.conf-High{background:#10b98126;color:#34d399}.badge.conf-Medium{background:#f59e0b26;color:#fbbf24}.badge.conf-Low{background:#f43f5e26;color:#f43f5e}.modal-overlay{position:fixed;top:0;left:0;right:0;bottom:0;background:#030712d9;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);display:flex;justify-content:center;align-items:center;z-index:1000;animation:fadeIn .2s ease-out}.modal-content{background:var(--bg-secondary);border:1px solid var(--border-glass-active);border-radius:20px;width:90%;max-width:800px;max-height:90vh;overflow-y:auto;padding:2rem;box-shadow:0 0 50px #8b5cf640;position:relative}.modal-close{position:absolute;top:1rem;right:1rem;background:#ffffff0d;border:none;color:var(--text-primary);width:32px;height:32px;border-radius:99px;display:flex;align-items:center;justify-content:center;cursor:pointer;transition:var(--transition-smooth)}.modal-close:hover{background:var(--danger-rose)}.modal-body{display:flex;flex-direction:column;gap:1.25rem}.options-list{display:grid;grid-template-columns:1fr 1fr;gap:.75rem}@media (max-width: 600px){.options-list{grid-template-columns:1fr}}.option-item{background:#ffffff05;border:1px solid var(--border-glass);padding:.85rem 1.25rem;border-radius:10px;font-size:.9rem;display:flex;gap:.75rem}.option-item.correct{background:#10b9811a;border-color:var(--success-emerald)}.option-letter{font-weight:800;color:var(--accent-violet)}.option-item.correct .option-letter{color:var(--success-emerald)}.explanation-box{background:#8b5cf608;border-left:4px solid var(--accent-violet);padding:1.25rem;border-radius:0 12px 12px 0}.mock-image-container{background:linear-gradient(135deg,#ffffff05,#ffffff0d);border:1px dashed var(--border-glass);border-radius:12px;padding:2rem;text-align:center;display:flex;flex-direction:column;align-items:center;gap:.5rem;margin-top:.5rem}.diagram-placeholder{font-size:3rem}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes pulseGlow{0%{transform:scale(1);opacity:.8;box-shadow:0 0 10px #8b5cf61a}50%{transform:scale(1.02);opacity:1;box-shadow:0 0 25px #8b5cf659}to{transform:scale(1);opacity:.8;box-shadow:0 0 10px #8b5cf61a}}@keyframes slideUp{0%{transform:translateY(5px);opacity:0}to{transform:translateY(0);opacity:1}}.zoom-overlay{position:fixed;top:0;left:0;right:0;bottom:0;background:#030712f2;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);display:flex;justify-content:center;align-items:center;z-index:2000;animation:fadeIn .25s cubic-bezier(.16,1,.3,1);cursor:zoom-out}.zoom-content{max-width:90vw;max-height:90vh;display:flex;justify-content:center;align-items:center;animation:zoomScaleUp .3s cubic-bezier(.34,1.56,.64,1)}.zoom-image{max-width:100%;max-height:90vh;object-fit:contain;border-radius:12px;box-shadow:0 10px 50px #000c,0 0 30px #8b5cf64d;border:1px solid rgba(255,255,255,.1);background:#fff;padding:16px}.zoom-close{position:absolute;top:1.5rem;right:1.5rem;background:#ffffff0d;border:1px solid rgba(255,255,255,.1);color:var(--text-primary);width:44px;height:44px;border-radius:99px;display:flex;align-items:center;justify-content:center;font-size:1.5rem;cursor:pointer;transition:var(--transition-smooth);z-index:2001}.zoom-close:hover{background:var(--danger-rose);transform:rotate(90deg)}.zoom-badge-overlay{position:absolute;bottom:8px;right:8px;background:#0f1626cc;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);color:var(--text-primary);padding:4px 8px;border-radius:6px;font-size:.65rem;font-weight:600;border:1px solid rgba(255,255,255,.1);display:flex;align-items:center;gap:4px;pointer-events:none;transition:var(--transition-smooth)}.image-display-container:hover .zoom-badge-overlay{background:var(--accent-violet);box-shadow:0 0 10px #8b5cf666}@keyframes zoomScaleUp{0%{transform:scale(.92);opacity:0}to{transform:scale(1);opacity:1}}.modal-nav-btn{box-shadow:0 4px 15px #0006}.modal-nav-btn:hover:not(:disabled){background:var(--accent-cyan)!important;color:#000!important;border-color:var(--accent-cyan)!important;box-shadow:0 0 20px var(--accent-cyan);transform:scale(1.08)}.modal-nav-btn:active:not(:disabled){transform:scale(.96)}