:root{--primary-50: #eef2ff;--primary-100: #e0e7ff;--primary-200: #c7d2fe;--primary-300: #a5b4fc;--primary-400: #818cf8;--primary-500: #6366f1;--primary-600: #4f46e5;--primary-700: #4338ca;--primary-800: #3730a3;--primary-900: #312e81;--accent-400: #2dd4bf;--accent-500: #14b8a6;--accent-600: #0d9488;--success-50: #f0fdf4;--success-500: #22c55e;--success-600: #16a34a;--warning-50: #fffbeb;--warning-500: #f59e0b;--warning-600: #d97706;--danger-50: #fef2f2;--danger-500: #ef4444;--danger-600: #dc2626;--gray-50: #f8fafc;--gray-100: #f1f5f9;--gray-200: #e2e8f0;--gray-300: #cbd5e1;--gray-400: #94a3b8;--gray-500: #64748b;--gray-600: #475569;--gray-700: #334155;--gray-800: #1e293b;--gray-900: #0f172a;--gray-950: #020617;--bg-primary: #ffffff;--bg-secondary: #f8fafc;--bg-tertiary: #f1f5f9;--bg-card: #ffffff;--bg-sidebar: #0f172a;--text-primary: #0f172a;--text-secondary: #475569;--text-tertiary: #94a3b8;--border-color: #e2e8f0;--border-hover: #cbd5e1;--shadow-sm: 0 1px 2px rgba(0, 0, 0, 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#00000014;border-bottom:1px solid rgba(0,0,0,.06)}[data-theme=dark] .topbar{background:#0f172af2!important;border-bottom:1px solid rgba(255,255,255,.08)}.topbar-title{font-weight:800;background:linear-gradient(135deg,var(--primary-600),var(--accent-600));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}}@media (max-width: 768px){.empty-state{padding:3rem 1.5rem}.empty-state-icon{width:64px;height:64px;background:linear-gradient(135deg,var(--primary-50),var(--accent-50));border-radius:var(--radius-full);display:flex;align-items:center;justify-content:center;margin:0 auto 1rem;box-shadow:0 4px 12px #6366f133}.empty-state-icon svg{color:var(--primary-600)}.empty-state-title{font-weight:700;background:linear-gradient(135deg,var(--primary-600),var(--accent-600));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}}@media (max-width: 768px){.spinner{border-width:3px;border-top-color:var(--primary-500);box-shadow:0 0 20px #6366f14d}}@media (max-width: 768px){.sidebar{box-shadow:4px 0 24px #0003}.sidebar-link{transition:all var(--transition-base)}.sidebar-link:active{transform:translate(4px);background:#ffffff1a}.sidebar-link.active{background:linear-gradient(135deg,#6366f140,#14b8a626);box-shadow:inset 3px 0 0 var(--primary-400)}}@media (max-width: 768px){.mobile-overlay{-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);background:#0009}}@media (max-width: 768px){.page-content{scroll-behavior:smooth;-webkit-overflow-scrolling:touch}.table-container{-webkit-overflow-scrolling:touch;scroll-behavior:smooth}}@media (max-width: 768px){.page-content:before{content:"";position:absolute;top:-50px;left:50%;transform:translate(-50%);width:40px;height:40px;border-radius:50%;background:var(--primary-500);opacity:0;transition:all var(--transition-base)}}@media (max-width: 768px){.btn:active,.mobile-nav-item:active,.action-btn:active,.card:active{animation:haptic .1s ease}@keyframes haptic{0%,to{transform:scale(1)}50%{transform:scale(.98)}}}@media (max-width: 768px){.slide-up{animation:slideUpMobile .4s cubic-bezier(.4,0,.2,1)}@keyframes slideUpMobile{0%{opacity:0;transform:translateY(30px)}to{opacity:1;transform:translateY(0)}}.fade-in{animation:fadeInMobile .3s ease}@keyframes fadeInMobile{0%{opacity:0}to{opacity:1}}}@media (max-width: 768px){.card,.btn,.action-btn{-webkit-tap-highlight-color:transparent;-webkit-touch-callout:none;-webkit-user-select:none;user-select:none}}@supports (padding: max(0px)){@media (max-width: 768px){.mobile-bottom-nav{padding-bottom:max(.5rem,env(safe-area-inset-bottom))}.page-content{padding-left:max(.875rem,env(safe-area-inset-left));padding-right:max(.875rem,env(safe-area-inset-right));padding-bottom:calc(var(--mobile-bottom-nav-height) + max(.5rem,env(safe-area-inset-bottom)))}.topbar{padding-top:max(0,env(safe-area-inset-top));padding-left:max(.875rem,env(safe-area-inset-left));padding-right:max(.875rem,env(safe-area-inset-right))}}}@media (max-width: 768px){.exam-actions{width:100%;justify-content:flex-start;gap:.5rem;flex-wrap:wrap;padding:.75rem;background:var(--bg-secondary);border-radius:var(--radius-md)}.action-btn{flex:0 0 auto;padding:.65rem .95rem!important;min-width:auto!important;justify-content:center;font-size:.8rem!important;border-radius:var(--radius-lg)!important;background:var(--bg-card)!important;border:1px solid var(--border-color)!important;box-shadow:0 1px 3px #00000014!important;gap:.5rem!important}.action-btn span{display:inline!important;font-weight:600!important;color:var(--text-primary)!important}.action-btn svg{width:16px!important;height:16px!important;flex-shrink:0}.action-btn:after,.action-btn:before{display:none!important}.action-btn:active{transform:scale(.96)!important;box-shadow:0 1px 2px #0000001a!important;background:var(--primary-50)!important}[data-theme=dark] .action-btn:active{background:#6366f126!important}.btn-danger.action-btn{background:var(--bg-card)!important;border-color:var(--danger-200)!important}.btn-danger.action-btn span{color:var(--danger-600)!important}.btn-danger.action-btn svg{color:var(--danger-600)!important}.btn-danger.action-btn:active{background:var(--danger-50)!important}[data-theme=dark] .btn-danger.action-btn:active{background:#ef444426!important}.btn-ghost.action-btn:hover{background:var(--bg-tertiary)!important}}@media (max-width: 480px){.exam-actions{gap:.4rem;padding:.6rem}.action-btn{padding:.55rem .75rem!important;font-size:.75rem!important}.action-btn svg{width:15px!important;height:15px!important}}@media (max-width: 360px){.exam-actions{flex-direction:column;align-items:stretch}.action-btn{width:100%;justify-content:flex-start;padding:.7rem 1rem!important}}