:root{--bg-primary:#0f172a;--bg-secondary:#1e1b4b;--accent-primary:#8b5cf6;--accent-secondary:#06b6d4;--text-primary:#f8fafc;--text-secondary:#94a3b8;--glass-bg:#ffffff0d;--glass-border:#ffffff1a;--success:#10b981;--error:#ef4444}*{box-sizing:border-box;margin:0;padding:0}body{background:linear-gradient(135deg,var(--bg-primary),var(--bg-secondary));color:var(--text-primary);min-height:100vh;font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;overflow-x:hidden}a{color:inherit;text-decoration:none}button{cursor:pointer;border:none;font-family:inherit}.glass-panel{background:var(--glass-bg);-webkit-backdrop-filter:blur(12px);border:1px solid var(--glass-border);border-radius:16px;box-shadow:0 4px 30px #0000001a}.btn-primary{background:linear-gradient(90deg,var(--accent-primary),var(--accent-secondary));color:#fff;border-radius:8px;padding:.75rem 1.5rem;font-weight:600;transition:transform .2s,box-shadow .2s}.btn-primary:hover{transform:translateY(-2px);box-shadow:0 0 15px #8b5cf680}.btn-secondary{color:#fff;background:#ffffff1a;border-radius:8px;padding:.75rem 1.5rem;font-weight:600;transition:background .2s}.btn-secondary:hover{background:#fff3}.input-field{border:1px solid var(--glass-border);color:#fff;background:#0003;border-radius:8px;outline:none;width:100%;padding:.75rem;transition:border-color .2s}.input-field:focus{border-color:var(--accent-primary)}::-webkit-scrollbar{width:8px}::-webkit-scrollbar-track{background:var(--bg-primary)}::-webkit-scrollbar-thumb{background:var(--glass-border);border-radius:10px}::-webkit-scrollbar-thumb:hover{background:var(--accent-primary)}.container{max-width:1400px;min-height:calc(100vh - 80px);margin:0 auto;padding:1rem}@media (min-width:768px){.container{padding:2rem}}.nav-mobile-btn{justify-content:center;align-items:center;display:flex!important}@media (min-width:1024px){.nav-mobile-btn{display:none!important}}.nav-links-desktop{display:none}@media (min-width:1024px){.nav-links-desktop{align-items:center;gap:2rem;display:flex}}.glass-panel:hover{border-color:#fff3;transition:all .3s;transform:translateY(-2px)}.option-item{cursor:pointer;border:1px solid var(--glass-border);background:#ffffff05;border-radius:12px;padding:1rem;transition:all .2s}.option-item:hover{border-color:var(--accent-primary);background:#ffffff0d}.option-item.active{border-color:var(--accent-primary);background:#8b5cf61a;box-shadow:0 0 15px #8b5cf633}.title-gradient{background:linear-gradient(to right,var(--accent-primary),var(--accent-secondary));-webkit-text-fill-color:transparent;-webkit-background-clip:text;background-clip:text;font-weight:800}.fade-in{animation:.6s cubic-bezier(.16,1,.3,1) forwards fadeIn}.slide-up{animation:.8s cubic-bezier(.16,1,.3,1) forwards slideUp}.scale-up{animation:.5s cubic-bezier(.34,1.56,.64,1) forwards scaleUp}.float{animation:3s ease-in-out infinite float}.spin-slow{animation:12s linear infinite spin}.stagger-1{animation-delay:.1s}.stagger-2{animation-delay:.2s}.stagger-3{animation-delay:.3s}.stagger-4{animation-delay:.4s}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes slideUp{0%{opacity:0;transform:translateY(30px)}to{opacity:1;transform:translateY(0)}}@keyframes scaleUp{0%{opacity:0;transform:scale(.9)}to{opacity:1;transform:scale(1)}}@keyframes pulse{0%{opacity:1;transform:scale(1)}50%{opacity:.7;transform:scale(1.1)}to{opacity:1;transform:scale(1)}}.active-glow{box-shadow:0 0 20px #8b5cf666}@keyframes float{0%,to{transform:translateY(0)}50%{transform:translateY(-10px)}}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.loader{border:3px solid #ffffff1a;border-top:3px solid var(--accent-primary);border-radius:50%;width:28px;height:28px;animation:.8s cubic-bezier(.5,.1,.4,.9) infinite spin}.hover-lift{transition:transform .3s cubic-bezier(.34,1.56,.64,1),box-shadow .3s}.hover-lift:hover{transform:translateY(-8px)scale(1.02);box-shadow:0 20px 40px #0003}.hover-glow:hover{border-color:var(--accent-primary);box-shadow:0 0 20px #8b5cf64d}.hero-section{text-align:center;width:100%;max-width:900px}.hero-title{letter-spacing:-.02em;margin-bottom:1.5rem;font-size:2.5rem;font-weight:900;line-height:1.1}.hero-text{color:var(--text-secondary);max-width:700px;margin:0 auto 2.5rem;font-size:1.1rem;line-height:1.6}.hero-buttons{flex-direction:column;justify-content:center;align-items:center;gap:1rem;display:flex}.stats-grid{grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:2rem;width:100%;max-width:1000px;padding:1.5rem;display:grid;position:relative;overflow:hidden}.features-grid{grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:2rem;width:100%;max-width:1200px;margin-bottom:4rem;display:grid}@media (min-width:768px){.hero-title{font-size:4.5rem;line-height:1}.hero-text{font-size:1.4rem}.hero-buttons{flex-direction:row;gap:1.5rem}.stats-grid{gap:3rem;padding:3rem}}.home-container{flex-direction:column;align-items:center;gap:3rem;min-height:80vh;padding-top:2rem;display:flex}@media (min-width:768px){.home-container{gap:5rem;padding-top:4rem}}.dashboard-grid{grid-template-columns:1fr;gap:3rem;display:grid}@media (min-width:1024px){.dashboard-grid{grid-template-columns:3fr 1fr;gap:2rem}}.quiz-card-grid{grid-template-columns:1fr;gap:1.5rem;display:grid}@media (min-width:768px){.quiz-card-grid{grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:2rem}}.table-container{-webkit-overflow-scrolling:touch;width:100%;overflow-x:auto}.responsive-table{border-collapse:collapse;text-align:left;width:100%;min-width:600px}.header-responsive{flex-direction:column;gap:1.5rem;margin-bottom:2rem;display:flex}@media (min-width:768px){.header-responsive{flex-direction:row;justify-content:space-between;align-items:center;margin-bottom:3rem}}.card-header-responsive{border-bottom:1px solid var(--glass-border);background:#ffffff05;flex-direction:column;gap:1rem;padding:1.5rem;display:flex}@media (min-width:640px){.card-header-responsive{flex-direction:row;justify-content:space-between;align-items:center}}.podium-grid{grid-template-columns:1fr;align-items:center;gap:2rem;margin-bottom:4rem;display:grid}.podium-rank-1{order:1}.podium-rank-2{order:2}.podium-rank-3{order:3}@media (min-width:900px){.podium-grid{grid-template-columns:repeat(3,1fr);align-items:flex-end}.podium-rank-1{order:2}.podium-rank-2{order:1}.podium-rank-3{order:3}}.leaderboard-item{text-align:center;background:var(--glass-bg);border:1px solid var(--glass-border);flex-direction:column;align-items:center;gap:1rem;padding:1rem;display:flex}.leaderboard-item-content{flex-direction:column;align-items:center;gap:.5rem;width:100%;display:flex}@media (min-width:640px){.leaderboard-item{text-align:left;flex-direction:row;gap:2rem;padding:1.25rem 2rem}.leaderboard-item-content{flex-direction:row;flex:1;align-items:center;gap:1.25rem;width:auto}}.quiz-container{width:100%;max-width:800px;margin:0 auto;padding-top:2rem}.results-grid{grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:2rem;margin-bottom:3rem;display:grid}.results-card{flex-direction:column;align-items:center;gap:1.5rem;padding:1.5rem;display:flex}@media (min-width:640px){.results-card{padding:2.5rem}}.share-card{text-align:center;flex-direction:column;align-items:center;gap:1.5rem;padding:1.5rem;display:flex}@media (min-width:640px){.share-card{text-align:left;flex-direction:row;justify-content:space-between;padding:2rem}}.auth-wrapper{justify-content:center;align-items:center;width:100%;min-height:80vh;padding:1rem;display:flex}.auth-card{width:100%;max-width:450px;padding:2rem}@media (min-width:640px){.auth-card{padding:3rem}}.create-quiz-grid{grid-template-columns:1fr;align-items:start;gap:2rem;display:grid}@media (min-width:1024px){.create-quiz-grid{grid-template-columns:1fr 350px}}.options-grid{grid-template-columns:1fr;gap:1rem;display:grid}@media (min-width:640px){.options-grid{grid-template-columns:1fr 1fr}}.sidebar-sticky{flex-direction:column;gap:1.5rem;display:flex;position:relative;top:0}@media (min-width:1024px){.sidebar-sticky{position:sticky;top:7rem}}.mobile-card-list{flex-direction:column;display:flex}.desktop-table{display:none}@media (min-width:768px){.mobile-card-list{display:none!important}.desktop-table{width:100%;display:table!important}}@media (max-width:768px){.immersive-quiz-container{padding:.5rem 1rem 1rem!important}.quiz-main-card{border-radius:20px!important;padding:1.5rem!important}.quiz-question-text{font-size:1.35rem!important;line-height:1.3!important}.option-button{gap:1rem!important;padding:1rem 1.25rem!important;font-size:1rem!important}.option-index{width:32px!important;height:32px!important}.quiz-footer-btn{justify-content:center!important;width:100%!important;padding:1rem!important}.quiz-nav-top{flex-direction:column!important;align-items:flex-start!important;gap:1rem!important}.quiz-progress-mini{scrollbar-width:none!important;width:100%!important;padding-bottom:.5rem!important;display:flex!important;overflow-x:auto!important}.quiz-progress-mini::-webkit-scrollbar{display:none!important}.quiz-header-top{align-items:flex-start!important;gap:.5rem!important}.quiz-timer-mobile{font-size:1.1rem!important}}
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