@import url("https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&display=swap");:root{--bg-primary:#0a0a0f;--bg-secondary:#12121a;--bg-tertiary:#1a1a2e;--bg-card:rgba(26,26,46,.6);--bg-card-hover:rgba(26,26,46,.8);--bg-glass:hsla(0,0%,100%,.03);--bg-glass-hover:hsla(0,0%,100%,.06);--text-primary:#f0f0f5;--text-secondary:#a0a0b8;--text-muted:#6b6b80;--accent-primary:#6c63ff;--accent-primary-glow:rgba(108,99,255,.3);--accent-secondary:#00d4aa;--accent-secondary-glow:rgba(0,212,170,.3);--accent-warning:#ff9f43;--accent-danger:#ff6b6b;--accent-success:#00d4aa;--border-subtle:hsla(0,0%,100%,.06);--border-light:hsla(0,0%,100%,.1);--gradient-primary:linear-gradient(135deg,#6c63ff,#00d4aa);--gradient-hero:linear-gradient(135deg,#0a0a0f,#1a1a2e 50%,#0a0a0f);--gradient-card:linear-gradient(135deg,rgba(108,99,255,.08),rgba(0,212,170,.08));--shadow-sm:0 2px 8px rgba(0,0,0,.3);--shadow-md:0 4px 24px rgba(0,0,0,.4);--shadow-lg:0 8px 48px rgba(0,0,0,.5);--shadow-glow:0 0 40px rgba(108,99,255,.15);--radius-sm:8px;--radius-md:12px;--radius-lg:16px;--radius-xl:24px;--radius-full:9999px;--transition-fast:0.15s ease;--transition-base:0.25s ease;--transition-slow:0.4s ease;--font-family:"Inter",-apple-system,BlinkMacSystemFont,sans-serif}*,:after,:before{margin:0;padding:0;box-sizing:border-box}html{font-size:16px;scroll-behavior:smooth}body{font-family:var(--font-family);background:var(--bg-primary);color:var(--text-primary);line-height:1.6;min-height:100vh;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}a{color:var(--accent-primary);text-decoration:none;transition:color var(--transition-fast)}a:hover{color:var(--accent-secondary)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 24px;border:none;border-radius:var(--radius-md);font-family:var(--font-family);font-size:.95rem;font-weight:600;cursor:pointer;transition:all var(--transition-base);position:relative;overflow:hidden}.btn:after{content:"";position:absolute;inset:0;background:linear-gradient(135deg,hsla(0,0%,100%,.1),transparent 50%);opacity:0;transition:opacity var(--transition-fast)}.btn:hover:after{opacity:1}.btn-primary{background:var(--gradient-primary);color:#fff;box-shadow:0 4px 16px var(--accent-primary-glow)}.btn-primary:hover{transform:translateY(-2px);box-shadow:0 8px 32px var(--accent-primary-glow)}.btn-secondary{background:var(--bg-glass);color:var(--text-primary);border:1px solid var(--border-light);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.btn-secondary:hover{background:var(--bg-glass-hover);border-color:var(--accent-primary);transform:translateY(-2px)}.btn-danger{background:var(--accent-danger);color:#fff}.btn-danger:hover{transform:translateY(-2px);box-shadow:0 8px 32px hsla(0,100%,71%,.3)}.btn-sm{padding:8px 16px;font-size:.85rem}.btn-lg{padding:16px 32px;font-size:1.1rem}.btn:disabled{opacity:.5;cursor:not-allowed;transform:none!important}.card{background:var(--bg-card);border:1px solid var(--border-subtle);border-radius:var(--radius-lg);padding:24px;-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);transition:all var(--transition-base)}.card:hover{border-color:var(--border-light);background:var(--bg-card-hover)}.card-glass{background:var(--bg-glass);border:1px solid var(--border-subtle);border-radius:var(--radius-lg);padding:24px;-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px)}.input-group{display:flex;flex-direction:column;gap:6px}.input-group label{font-size:.85rem;font-weight:500;color:var(--text-secondary);text-transform:uppercase;letter-spacing:.5px}.input{padding:12px 16px;background:var(--bg-glass);border:1px solid var(--border-subtle);border-radius:var(--radius-md);color:var(--text-primary);font-family:var(--font-family);font-size:.95rem;transition:all var(--transition-fast);outline:none}.input:focus{border-color:var(--accent-primary);box-shadow:0 0 0 3px var(--accent-primary-glow)}.input::placeholder{color:var(--text-muted)}.stats-card{background:var(--gradient-card);border:1px solid var(--border-subtle);border-radius:var(--radius-lg);padding:24px;-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);transition:all var(--transition-base)}.stats-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-glow);border-color:var(--border-light)}.stats-card .stats-value{font-size:2.5rem;font-weight:800;background:var(--gradient-primary);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;line-height:1.1}.stats-card .stats-label{font-size:.85rem;color:var(--text-secondary);text-transform:uppercase;letter-spacing:1px;margin-top:4px}.grid-2{grid-template-columns:repeat(2,1fr);grid-gap:20px}.grid-2,.grid-3{display:grid;gap:20px}.grid-3{grid-template-columns:repeat(3,1fr);grid-gap:20px}.grid-4{display:grid;grid-template-columns:repeat(4,1fr);grid-gap:20px;gap:20px}@media (max-width:1024px){.grid-3,.grid-4{grid-template-columns:repeat(2,1fr)}}@media (max-width:640px){.grid-2,.grid-3,.grid-4{grid-template-columns:1fr}}.container{max-width:1200px;margin:0 auto;padding:0 24px}.page-container{min-height:100vh;padding-top:80px}.navbar{position:fixed;top:0;left:0;right:0;height:70px;background:rgba(10,10,15,.8);-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);border-bottom:1px solid var(--border-subtle);z-index:100}.navbar,.navbar .container{display:flex;align-items:center}.navbar .container{justify-content:space-between;width:100%}.navbar-brand{display:flex;align-items:center;gap:10px;font-size:1.3rem;font-weight:800;color:var(--text-primary)}.navbar-brand .brand-icon{width:36px;height:36px;background:var(--gradient-primary);border-radius:var(--radius-sm);display:flex;align-items:center;justify-content:center;font-size:1.1rem}.navbar-links{display:flex;align-items:center;gap:8px}.navbar-links a,.navbar-links button{padding:8px 16px;border-radius:var(--radius-sm);color:var(--text-secondary);font-size:.9rem;font-weight:500;transition:all var(--transition-fast);background:none;border:none;cursor:pointer;font-family:var(--font-family)}.navbar-links a:hover,.navbar-links button:hover{color:var(--text-primary);background:var(--bg-glass-hover)}.navbar-links a.active{color:var(--accent-primary);background:rgba(108,99,255,.1)}.hero{min-height:100vh;display:flex;align-items:center;justify-content:center;position:relative;overflow:hidden}.hero:before{width:600px;height:600px;background:radial-gradient(circle,var(--accent-primary-glow) 0,transparent 70%);top:10%;left:-10%;animation:float 8s ease-in-out infinite}.hero:after,.hero:before{content:"";position:absolute;border-radius:50%}.hero:after{width:500px;height:500px;background:radial-gradient(circle,var(--accent-secondary-glow) 0,transparent 70%);bottom:10%;right:-10%;animation:float 8s ease-in-out infinite reverse}@keyframes float{0%,to{transform:translateY(0) scale(1)}50%{transform:translateY(-30px) scale(1.05)}}.hero-content{text-align:center;z-index:1;max-width:800px;padding:0 24px}.hero-badge{display:inline-flex;align-items:center;gap:8px;padding:8px 20px;background:var(--bg-glass);border:1px solid var(--border-subtle);border-radius:var(--radius-full);font-size:.85rem;color:var(--accent-secondary);font-weight:500;margin-bottom:24px;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.hero h1{font-size:clamp(2.5rem,6vw,4rem);font-weight:900;line-height:1.1;margin-bottom:20px;letter-spacing:-1px}.hero h1 .gradient-text{background:var(--gradient-primary);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.hero p{font-size:1.15rem;color:var(--text-secondary);max-width:600px;margin:0 auto 32px;line-height:1.7}.hero-actions{display:flex;gap:16px;justify-content:center;flex-wrap:wrap}.features-section{padding:100px 0;position:relative}.features-section h2{text-align:center;font-size:2rem;font-weight:800;margin-bottom:16px}.features-section .section-subtitle{text-align:center;color:var(--text-secondary);max-width:500px;margin:0 auto 60px}.feature-card{padding:32px;background:var(--bg-card);border:1px solid var(--border-subtle);border-radius:var(--radius-xl);-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);transition:all var(--transition-base);position:relative;overflow:hidden}.feature-card:before{content:"";position:absolute;top:0;left:0;right:0;height:3px;background:var(--gradient-primary);opacity:0;transition:opacity var(--transition-base)}.feature-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-glow);border-color:var(--border-light)}.feature-card:hover:before{opacity:1}.feature-icon{width:56px;height:56px;border-radius:var(--radius-md);display:flex;align-items:center;justify-content:center;font-size:1.5rem;margin-bottom:20px}.feature-card h3{font-size:1.2rem;font-weight:700;margin-bottom:8px}.feature-card p{color:var(--text-secondary);font-size:.95rem;line-height:1.6}.session-card{background:var(--bg-card);border:1px solid var(--border-subtle);border-radius:var(--radius-lg);padding:24px;-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);transition:all var(--transition-base);cursor:pointer;position:relative}.session-card:hover{transform:translateY(-3px);border-color:var(--border-light);box-shadow:var(--shadow-md)}.session-card .session-header{display:flex;align-items:flex-start;justify-content:space-between;gap:12px;margin-bottom:16px}.session-card h3{font-size:1.1rem;font-weight:700}.session-card .session-status{padding:4px 12px;border-radius:var(--radius-full);font-size:.75rem;font-weight:600;text-transform:uppercase;letter-spacing:.5px;flex-shrink:0}.session-card .session-status.active{background:rgba(0,212,170,.15);color:var(--accent-success)}.session-card .session-status.closed{background:hsla(0,100%,71%,.15);color:var(--accent-danger)}.session-card .session-meta{display:flex;gap:20px;color:var(--text-secondary);font-size:.85rem}.session-card .session-meta span{display:flex;align-items:center;gap:6px}.qr-container{background:#fff;padding:24px;border-radius:var(--radius-lg);display:inline-flex;box-shadow:var(--shadow-lg)}.attend-page{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:24px}.attend-card{width:100%;max-width:440px;background:var(--bg-card);border:1px solid var(--border-subtle);border-radius:var(--radius-xl);padding:40px;-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px)}.attend-card h1{font-size:1.5rem;font-weight:800;margin-bottom:4px}.attend-card .session-title{color:var(--accent-primary);font-size:1.1rem;font-weight:600;margin-bottom:24px}.alert{padding:12px 16px;border-radius:var(--radius-md);font-size:.9rem;font-weight:500;margin-bottom:16px}.alert-success{background:rgba(0,212,170,.1);border:1px solid rgba(0,212,170,.3);color:var(--accent-success)}.alert-error{background:hsla(0,100%,71%,.1);border:1px solid hsla(0,100%,71%,.3);color:var(--accent-danger)}.attendee-list{list-style:none}.attendee-item{display:flex;align-items:center;justify-content:space-between;padding:14px 16px;border-bottom:1px solid var(--border-subtle);transition:background var(--transition-fast);animation:slideIn .3s ease}.attendee-item:hover{background:var(--bg-glass)}.attendee-item:last-child{border-bottom:none}@keyframes slideIn{0%{opacity:0;transform:translateX(-10px)}to{opacity:1;transform:translateX(0)}}.attendee-info{display:flex;flex-direction:column}.attendee-name{font-weight:600;font-size:.95rem}.attendee-id{font-size:.8rem;color:var(--text-muted)}.attendee-time{font-size:.8rem;color:var(--text-secondary)}.auth-page{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:24px;position:relative;overflow:hidden}.auth-page:before{content:"";position:absolute;width:400px;height:400px;border-radius:50%;background:radial-gradient(circle,var(--accent-primary-glow) 0,transparent 70%);top:20%;right:-5%}.auth-card{width:100%;max-width:440px;background:var(--bg-card);border:1px solid var(--border-subtle);border-radius:var(--radius-xl);padding:40px;-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);position:relative;z-index:1}.auth-card h1{font-size:1.8rem;font-weight:800;margin-bottom:4px}.auth-card .auth-subtitle{color:var(--text-secondary);margin-bottom:32px}.auth-card form{display:flex;flex-direction:column;gap:20px}.auth-toggle{text-align:center;margin-top:24px;color:var(--text-secondary);font-size:.9rem}.dashboard-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:32px;flex-wrap:wrap;gap:16px}.dashboard-header h1{font-size:1.8rem;font-weight:800}.section-title{font-size:1.3rem;font-weight:700;margin-bottom:20px}.modal-overlay{position:fixed;inset:0;background:rgba(0,0,0,.7);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);z-index:200;display:flex;align-items:center;justify-content:center;padding:24px;animation:fadeIn .2s ease}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}.modal{background:var(--bg-secondary);border:1px solid var(--border-subtle);border-radius:var(--radius-xl);padding:32px;width:100%;max-width:500px;animation:slideUp .3s ease}@keyframes slideUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}.modal h2{font-size:1.4rem;font-weight:700;margin-bottom:24px}.modal form{display:flex;flex-direction:column;gap:20px}.modal-actions{display:flex;gap:12px;justify-content:flex-end;margin-top:8px}.chart-container{background:var(--bg-card);border:1px solid var(--border-subtle);border-radius:var(--radius-lg);padding:24px;-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px)}.chart-container h3{font-size:1.1rem;font-weight:700;margin-bottom:20px}.detail-header{display:flex;align-items:flex-start;justify-content:space-between;gap:20px;margin-bottom:32px;flex-wrap:wrap}.detail-header h1{font-size:1.8rem;font-weight:800}.detail-actions{display:flex;gap:12px;flex-wrap:wrap}.detail-grid{display:grid;grid-template-columns:1fr 1fr;grid-gap:24px;gap:24px}@media (max-width:768px){.detail-grid{grid-template-columns:1fr}}.share-link{display:flex;align-items:center;gap:12px;padding:12px 16px;background:var(--bg-glass);border:1px solid var(--border-subtle);border-radius:var(--radius-md);margin-top:16px}.share-link input{flex:1 1;background:none;border:none;color:var(--text-primary);font-family:var(--font-family);font-size:.85rem;outline:none}.spinner{width:40px;height:40px;border:3px solid var(--border-subtle);border-top-color:var(--accent-primary);border-radius:50%;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(1turn)}}.loading-container{display:flex;align-items:center;justify-content:center;min-height:60vh;flex-direction:column;gap:16px;color:var(--text-secondary)}.live-indicator{display:flex;align-items:center;gap:8px;font-size:.85rem;color:var(--accent-success);font-weight:600}.live-dot{width:8px;height:8px;background:var(--accent-success);border-radius:50%;animation:pulse 2s ease-in-out infinite}@keyframes pulse{0%,to{opacity:1;transform:scale(1)}50%{opacity:.5;transform:scale(1.5)}}.empty-state{text-align:center;padding:60px 24px;color:var(--text-secondary)}.empty-state .empty-icon{font-size:3rem;margin-bottom:16px;opacity:.5}.empty-state h3{font-size:1.2rem;font-weight:600;color:var(--text-primary);margin-bottom:8px}.text-center{text-align:center}.mt-8{margin-top:8px}.mt-16{margin-top:16px}.mt-24{margin-top:24px}.mt-32{margin-top:32px}.mb-16{margin-bottom:16px}.mb-24{margin-bottom:24px}.mb-32{margin-bottom:32px}.flex{display:flex}.flex-col{flex-direction:column}.gap-12{gap:12px}.gap-16{gap:16px}.gap-24{gap:24px}.w-full{width:100%}@media (max-width:640px){.hero h1{font-size:2rem}.hero p{font-size:1rem}.attend-card,.auth-card,.modal{padding:24px}.dashboard-header h1{font-size:1.4rem}.navbar-brand span:last-child{display:none}}