@import"https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800;900&display=swap";*{margin:0;padding:0;box-sizing:border-box}:root{--bg-primary: #0a0e1a;--bg-secondary: #151b2e;--bg-tertiary: #1f2937;--bg-card: rgba(31, 41, 55, .5);--bg-input: rgba(15, 23, 42, .65);--bg-input-focus: rgba(15, 23, 42, .9);--accent: #8b5cf6;--accent-primary: #6366f1;--accent-secondary: #8b5cf6;--accent-tertiary: #ec4899;--success: #10b981;--warning: #f59e0b;--error: #ef4444;--info: #3b82f6;--text-primary: #f8fafc;--text-secondary: #94a3b8;--text-muted: #64748b;--border-color: rgba(255, 255, 255, .1);--border-color-hover: rgba(255, 255, 255, .2);--font-family: "Inter", system-ui, -apple-system, sans-serif;--shadow-sm: 0 2px 8px rgba(0, 0, 0, .1);--shadow-md: 0 4px 16px rgba(0, 0, 0, .2);--shadow-lg: 0 8px 32px rgba(0, 0, 0, .3);--shadow-xl: 0 20px 60px rgba(0, 0, 0, .4);--shadow-glow: 0 0 30px rgba(99, 102, 241, .3)}[data-theme=light]{--bg-primary: #f8fafc;--bg-secondary: #ffffff;--bg-tertiary: #f1f5f9;--bg-card: #ffffff;--bg-input: #f8fafc;--bg-input-focus: #ffffff;--accent: #8b5cf6;--accent-primary: #6366f1;--accent-secondary: #8b5cf6;--accent-tertiary: #ec4899;--success: #10b981;--warning: #f59e0b;--error: #ef4444;--info: #3b82f6;--text-primary: #0f172a;--text-secondary: #475569;--text-muted: #94a3b8;--border-color: #cbd5e1;--border-color-hover: #94a3b8;--shadow-sm: 0 1px 3px rgba(0, 0, 0, .06), 0 1px 2px rgba(0, 0, 0, .04);--shadow-md: 0 4px 6px -1px rgba(0, 0, 0, .07), 0 2px 4px -1px rgba(0, 0, 0, .04);--shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, .08), 0 4px 6px -2px rgba(0, 0, 0, .04);--shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, .08), 0 10px 10px -5px rgba(0, 0, 0, .03);--shadow-glow: 0 0 30px rgba(99, 102, 241, .15)}body{font-family:var(--font-family);background:var(--bg-primary);color:var(--text-primary);line-height:1.6;min-height:100vh;overflow-x:hidden;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}#root{min-height:100vh;display:flex;flex-direction:column}.container{max-width:1200px;margin:0 auto;padding:2rem;width:100%}.btn{display:inline-flex;align-items:center;justify-content:center;padding:.875rem 1.75rem;border-radius:1.25rem;font-weight:600;cursor:pointer;transition:all .3s cubic-bezier(.4,0,.2,1);border:none;font-size:1rem;gap:.5rem;letter-spacing:.01em;position:relative;overflow:hidden}.btn:before{content:"";position:absolute;top:50%;left:50%;width:0;height:0;border-radius:50%;background:#ffffff1a;transform:translate(-50%,-50%);transition:width .6s,height .6s}.btn:hover:before{width:300px;height:300px}.btn-primary{background:linear-gradient(135deg,#6366f1,#8b5cf6,#ec4899);background-size:200% 200%;color:#fff;box-shadow:0 4px 20px #6366f166,0 0 40px #8b5cf633;animation:gradientShift 3s ease infinite}@keyframes gradientShift{0%,to{background-position:0% 50%}50%{background-position:100% 50%}}.btn-primary:hover{transform:translateY(-3px) scale(1.02);box-shadow:0 8px 30px #6366f180,0 0 60px #8b5cf64d}.btn-primary:active{transform:translateY(-1px) scale(.98)}.btn-secondary{background:#ffffff0d;color:var(--text-primary);border:1.5px solid var(--border-color);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px)}.btn-secondary:hover{background:#ffffff1a;border-color:var(--border-color-hover);transform:translateY(-2px)}.card{background:var(--bg-card);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);border:1.5px solid var(--border-color);border-radius:1.75rem;padding:2rem;box-shadow:var(--shadow-lg);transition:all .4s cubic-bezier(.4,0,.2,1);position:relative;overflow:hidden}.card:before{content:"";position:absolute;top:0;left:0;right:0;height:1px;background:linear-gradient(90deg,transparent,rgba(255,255,255,.1),transparent)}.card:hover{border-color:var(--border-color-hover);transform:translateY(-4px);box-shadow:var(--shadow-xl),var(--shadow-glow)}.input,input[type=text],input[type=number],input[type=password],input[type=email],textarea{width:100%;padding:.85rem 1.15rem;background:var(--bg-input);border:1.5px solid var(--border-color);border-radius:1rem;color:var(--text-primary);font-size:.95rem;transition:all .2s ease;font-family:var(--font-family);box-sizing:border-box}select{width:100%;padding:.65rem 1rem;background:var(--bg-input);border:1.5px solid var(--border-color);border-radius:.85rem;color:var(--text-primary);font-size:.9rem;transition:all .2s ease;font-family:var(--font-family);box-sizing:border-box;cursor:pointer}select option{background:var(--bg-card);color:var(--text-primary);padding:.5rem}.input:focus,input[type=text]:focus,input[type=number]:focus,input[type=password]:focus,input[type=email]:focus,textarea:focus,select:focus{outline:none;border-color:var(--accent-primary);background:var(--bg-input-focus);box-shadow:0 0 0 3px #6366f12e}.admin-filter-control{width:100%;padding:.5rem .85rem!important;background:var(--bg-input)!important;border:1.5px solid var(--border-color)!important;border-radius:.75rem!important;color:var(--text-primary)!important;font-size:.875rem!important;line-height:1.4!important;font-family:var(--font-family)!important;box-sizing:border-box!important;height:42px!important;outline:none;transition:all .2s ease}.admin-filter-control:focus{border-color:var(--accent-primary)!important;background:var(--bg-input-focus)!important;box-shadow:0 0 0 3px #6366f12e!important}select.admin-filter-control{cursor:pointer}select.admin-filter-control option{background:var(--bg-card);color:var(--text-primary);padding:.5rem}.input::placeholder,textarea::placeholder,.admin-filter-control::placeholder{color:var(--text-muted)}.title{font-size:3.5rem;font-weight:900;background:linear-gradient(135deg,#f8fafc,#a5b4fc,#c084fc);background-clip:text;-webkit-background-clip:text;-webkit-text-fill-color:transparent;margin-bottom:1rem;line-height:1.1;letter-spacing:-.03em;text-shadow:0 0 80px rgba(165,180,252,.3)}[data-theme=light] .title{background:linear-gradient(135deg,#0f172a,#6366f1,#8b5cf6);background-clip:text;-webkit-background-clip:text;-webkit-text-fill-color:transparent}.subtitle{font-size:1.25rem;color:var(--text-secondary);margin-bottom:2.5rem;font-weight:500;line-height:1.7}@keyframes fadeIn{0%{opacity:0;transform:translateY(30px);filter:blur(10px)}to{opacity:1;transform:translateY(0);filter:blur(0)}}@keyframes float{0%,to{transform:translateY(0) rotate(0)}50%{transform:translateY(-20px) rotate(3deg)}}@keyframes pulse{0%,to{opacity:1}50%{opacity:.8}}@keyframes shimmer{0%{background-position:-1000px 0}to{background-position:1000px 0}}.animate-fade-in{animation:fadeIn .8s cubic-bezier(.4,0,.2,1) forwards;opacity:0}.animate-float{animation:float 6s ease-in-out infinite}.grid-center{display:grid;place-items:center;min-height:80vh}.ml-auto{margin-left:auto}.hero-container{display:flex;flex-direction:column;min-height:100vh;min-height:100dvh;width:100%;padding:0;margin:0;position:relative;overflow-x:hidden;background:radial-gradient(circle at 50% 50%,rgba(99,102,241,.1) 0%,transparent 50%),radial-gradient(circle at 80% 20%,rgba(139,92,246,.08) 0%,transparent 50%),radial-gradient(circle at 20% 80%,rgba(236,72,153,.08) 0%,transparent 50%)}.hero-content-wrapper{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;width:100%;padding:3rem 1.5rem 2rem;z-index:10;box-sizing:border-box}.hero-content{width:100%;max-width:440px;position:relative}.input-large{font-size:1.5rem;text-align:center;letter-spacing:.2em;text-transform:uppercase;font-family:Inter,monospace;padding:.85rem 1.25rem;font-weight:800;background:var(--bg-input);border:2px solid var(--border-color);color:var(--text-primary)}.input-large:focus{letter-spacing:.25em;border-color:var(--accent-primary);background:var(--bg-input-focus);box-shadow:0 0 0 4px #6366f133,0 8px 24px #6366f133}.host-link{margin-top:1rem;text-align:center;color:var(--text-secondary);font-size:.9rem;cursor:pointer;transition:all .3s;padding:.4rem;border-radius:.75rem}.host-link:hover{color:var(--text-primary);background:#ffffff0d}.host-link span{background:linear-gradient(135deg,var(--accent-primary),var(--accent-secondary));background-clip:text;-webkit-background-clip:text;-webkit-text-fill-color:transparent;font-weight:700;margin-left:.5rem}.blob{position:absolute;border-radius:50%;filter:blur(120px);opacity:.15;z-index:0;pointer-events:none;animation:float 20s ease-in-out infinite}.blob-1{width:500px;height:500px;top:-150px;left:-150px;background:linear-gradient(135deg,var(--accent-primary),var(--accent-secondary));animation-delay:0s}.blob-2{width:600px;height:600px;bottom:-200px;right:-200px;background:linear-gradient(135deg,var(--accent-secondary),var(--accent-tertiary));animation-delay:5s}.blob-3{width:400px;height:400px;top:50%;left:50%;transform:translate(-50%,-50%);background:linear-gradient(135deg,var(--success),var(--info));animation-delay:10s}@media(max-width:768px){.hero-container{min-height:100dvh;min-height:100vh}.hero-content-wrapper{min-height:calc(100dvh - 65px);min-height:calc(100svh - 65px);min-height:calc(100vh - 65px);padding:2rem 1.25rem 2.5rem;justify-content:center}.container{padding:1rem}.card{padding:1.5rem;border-radius:1.25rem}.title{font-size:2.5rem}.subtitle{font-size:1.1rem}.btn{padding:.75rem 1.5rem;font-size:.95rem}.input{padding:.875rem 1rem;font-size:.95rem}.mobile-hide{display:inline!important}}@media(max-width:480px){.hero-container{padding:0}.hero-content-wrapper{min-height:calc(100dvh - 60px);min-height:calc(100svh - 60px);min-height:calc(100vh - 60px);padding:1.5rem 1rem 2rem}.hero-content{max-width:100%}.title{font-size:2rem}.subtitle{font-size:1rem}.card{padding:1.25rem}.btn{padding:.75rem 1.25rem;font-size:.875rem}.input-large{font-size:1.5rem;padding:1.25rem}}::-webkit-scrollbar{width:6px;height:6px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:var(--border-color-hover);border-radius:999px}::-webkit-scrollbar-thumb:hover{background:var(--accent-primary)}.dashboard-header{position:relative;z-index:100;background:var(--bg-card);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);border-bottom:1px solid var(--border-color);padding:1.25rem 2rem}.dashboard-header-content{display:flex;justify-content:space-between;align-items:center;max-width:1400px;margin:0 auto;gap:1rem}.dashboard-user-info{display:flex;align-items:center;gap:.85rem}.dashboard-logo-icon{background:linear-gradient(135deg,#fbbf24,#f59e0b);padding:.45rem;border-radius:.75rem;box-shadow:0 4px 12px #fbbf244d;display:flex;align-items:center;justify-content:center;cursor:pointer;transition:transform .2s ease;flex-shrink:0}.dashboard-logo-icon:hover{transform:scale(1.05)}.dashboard-title-text h1{font-size:1.5rem;font-weight:800;color:var(--text-primary);margin-bottom:.1rem;letter-spacing:-.02em;line-height:1.2}.dashboard-title-text p{color:var(--text-secondary);margin:0;font-size:.85rem}.dashboard-actions{display:flex;gap:.75rem;align-items:center;flex-wrap:wrap}.dashboard-theme-btn{width:42px!important;height:42px!important;min-width:42px!important;max-width:42px!important;padding:0!important;border-radius:50%!important;display:inline-flex!important;align-items:center!important;justify-content:center!important;cursor:pointer!important;transition:all .2s ease!important;flex-shrink:0!important}.dashboard-content{position:relative;z-index:1;padding:2.25rem 2rem;max-width:1400px;margin:0 auto;width:100%;box-sizing:border-box}.dashboard-stats-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1.25rem;margin-bottom:2.25rem}.dashboard-filter-tabs{display:flex;gap:.5rem;margin-bottom:0;flex-wrap:wrap}.dashboard-quiz-list{display:grid;gap:1rem}.quiz-card{display:flex;justify-content:space-between;align-items:center;padding:1.25rem 1.5rem;transition:all .25s ease;cursor:pointer;background:var(--bg-card);border:1px solid var(--border-color);border-radius:1.25rem;gap:1.25rem}.quiz-info{flex:1;min-width:0}.quiz-header{display:flex;align-items:center;gap:.65rem;margin-bottom:.5rem;flex-wrap:wrap}.quiz-title{font-size:1.1rem;font-weight:700;margin:0;color:var(--text-primary);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:100%}.quiz-meta{display:flex;gap:1.25rem;color:var(--text-secondary);font-size:.825rem;flex-wrap:wrap}.quiz-actions{display:flex;gap:.45rem;align-items:center;flex-shrink:0}.dashboard-toolbar{position:relative;z-index:50;display:flex;flex-direction:column;gap:1rem;margin-bottom:2rem}.dashboard-search-row{display:flex;gap:.75rem;align-items:center;width:100%;flex-wrap:wrap}.dashboard-search-container{position:relative;flex:1;min-width:240px;display:flex;align-items:center}.dashboard-search-icon{position:absolute;left:1.15rem;color:#818cf8;pointer-events:none;display:flex;align-items:center;justify-content:center;z-index:5}input[type=text].dashboard-search-input,.dashboard-search-input{width:100%!important;padding:.75rem 2.85rem .75rem 3.15rem!important;border-radius:1rem!important;border:1.5px solid var(--border-color)!important;background:var(--bg-card)!important;color:var(--text-primary)!important;font-size:.92rem!important;font-weight:500!important;height:48px!important;transition:all .25s ease!important;box-shadow:0 2px 8px #0000000a!important;box-sizing:border-box!important}input[type=text].dashboard-search-input:focus,.dashboard-search-input:focus{outline:none!important;border-color:#818cf8!important;background:var(--bg-secondary)!important;box-shadow:0 0 0 4px #818cf833,0 4px 16px #6366f11a!important}.dashboard-search-clear{position:absolute;right:.85rem;background:var(--bg-secondary);border:1px solid var(--border-color);border-radius:50%;width:26px;height:26px;display:flex;align-items:center;justify-content:center;color:var(--text-secondary);cursor:pointer;transition:all .15s ease;z-index:5}.dashboard-search-clear:hover{background:#ef444426;border-color:#ef44444d;color:#ef4444}.dashboard-create-buttons{display:flex;align-items:center;gap:.65rem}.quiz-group-tag{display:inline-flex;align-items:center;gap:.35rem;padding:.2rem .65rem;border-radius:1rem;font-size:.725rem;font-weight:600;background:#818cf81a;color:#818cf8;border:1px solid rgba(129,140,248,.25);cursor:pointer;transition:all .15s ease}.quiz-group-tag:hover{background:#818cf833;border-color:#818cf866;transform:translateY(-1px)}.filter-divider{width:1px;height:22px;background:var(--border-color);margin:0 .25rem;flex-shrink:0}@media(max-width:992px){.dashboard-header{padding:1rem 1.25rem}.dashboard-content{padding:1.75rem 1.25rem}.dashboard-stats-grid{grid-template-columns:repeat(3,1fr);gap:.85rem}.quiz-card{flex-direction:column;align-items:flex-start;gap:1rem}.quiz-actions{width:100%;justify-content:flex-start;flex-wrap:wrap;border-top:1px solid var(--border-color);padding-top:.85rem}}@media(max-width:768px){.dashboard-header{padding:.85rem 1rem}.dashboard-header-content{flex-direction:column;align-items:stretch;gap:.85rem}.dashboard-header-top-row{display:flex;align-items:center;justify-content:space-between;width:100%}.dashboard-actions{display:flex;align-items:center;justify-content:space-between;gap:.5rem;width:100%}.dashboard-content{padding:1.25rem 1rem 3rem}.dashboard-stats-grid{grid-template-columns:1fr;gap:.75rem}.dashboard-search-row{flex-direction:column;gap:.65rem;align-items:stretch}.dashboard-search-container{width:100%}.dashboard-create-buttons{display:grid;grid-template-columns:1fr 1fr;gap:.5rem;width:100%}.dashboard-create-buttons .btn{width:100%;height:46px!important;justify-content:center;font-size:.85rem!important;padding:0 .75rem!important}.filter-divider{display:none}.dashboard-filter-tabs{width:100%;overflow-x:auto;padding-bottom:.25rem}.quiz-card{padding:1.15rem 1rem;border-radius:1rem}.quiz-title{white-space:normal;word-break:break-word;font-size:1.05rem}.quiz-meta{gap:.75rem;font-size:.78rem}.quiz-actions{width:100%;display:flex;flex-wrap:wrap;gap:.4rem;padding-top:.75rem}.quiz-actions button{flex:1;min-width:40px;justify-content:center}}@media(max-width:480px){.dashboard-title-text h1{font-size:1.25rem}}.admin-page-wrapper{min-height:100vh;background:var(--bg-primary);padding:2rem 1.5rem}.admin-container{max-width:1400px;margin:0 auto}.admin-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:2rem;flex-wrap:wrap;gap:1rem}.admin-header-left{display:flex;align-items:center;gap:1rem;flex:1;min-width:260px}.admin-title{font-size:2rem;font-weight:800;margin-bottom:0;line-height:1.2}.admin-subtitle{margin-bottom:0;font-size:.95rem;color:var(--text-secondary)}.admin-stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1.25rem;margin-bottom:2rem}.admin-stat-card{padding:1.25rem;background:var(--bg-card);border:1px solid var(--border-color);border-radius:1.25rem;box-shadow:var(--shadow-sm);transition:transform .2s ease,box-shadow .2s ease}.admin-stat-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-md)}.admin-stat-card-inner{display:flex;align-items:center;gap:1rem}.admin-stat-icon{padding:.9rem;border-radius:1rem;display:flex;align-items:center;justify-content:center;flex-shrink:0}.admin-stat-value{font-size:1.85rem;font-weight:800;color:var(--text-primary);line-height:1.1}.admin-stat-label{font-size:.875rem;color:var(--text-secondary);margin-top:.15rem}.admin-stat-sub{font-size:.75rem;margin-top:.25rem;font-weight:600}.admin-tabs-nav{display:flex;gap:.75rem;margin-bottom:2rem;overflow-x:auto;padding-bottom:.5rem;-webkit-overflow-scrolling:touch;scrollbar-width:none}.admin-tabs-nav::-webkit-scrollbar{display:none}.admin-tab-btn{display:inline-flex;align-items:center;gap:.5rem;padding:.65rem 1.25rem;font-size:.95rem;font-weight:600;border-radius:.75rem;cursor:pointer;white-space:nowrap;flex-shrink:0;transition:all .2s ease}.admin-filter-bar{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:.85rem;margin-bottom:1.5rem;background:var(--bg-secondary);padding:1rem;border-radius:1rem;border:1px solid var(--border-color)}.admin-table-container{width:100%;overflow-x:auto;-webkit-overflow-scrolling:touch;border-radius:.85rem;border:1px solid var(--border-color);background:var(--bg-card)}.admin-table{width:100%;border-collapse:collapse;text-align:left;min-width:780px}.admin-table-logs{min-width:880px}.admin-table th{padding:.85rem 1rem;border-bottom:1.5px solid var(--border-color);color:var(--text-secondary);font-size:.8rem;text-transform:uppercase;letter-spacing:.05em;font-weight:700;background:var(--bg-secondary)}.admin-table td{padding:1rem;border-bottom:1px solid var(--border-color);font-size:.875rem;color:var(--text-primary)}.admin-table-hint{display:none;font-size:.75rem;color:var(--text-muted);margin-bottom:.65rem;text-align:right;font-style:italic}.admin-modal-overlay{position:fixed;inset:0;background:#000000bf;backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);display:flex;align-items:center;justify-content:center;z-index:1000;padding:1rem}.admin-modal-card{width:100%;max-width:650px;max-height:90vh;overflow-y:auto;padding:2rem;background:var(--bg-card);border-radius:1.5rem;border:1px solid var(--border-color);box-shadow:0 25px 50px -12px #00000080}@media(max-width:1024px){.admin-stats-grid{grid-template-columns:repeat(2,1fr)}}@media(max-width:768px){.admin-page-wrapper{padding:1.25rem .85rem}.admin-header{margin-bottom:1.25rem;gap:.75rem}.admin-title{font-size:1.5rem}.admin-subtitle{font-size:.825rem}.admin-stats-grid{grid-template-columns:repeat(2,1fr);gap:.75rem;margin-bottom:1.25rem}.admin-stat-card{padding:1rem;border-radius:1rem}.admin-stat-card-inner{gap:.75rem}.admin-stat-icon{padding:.65rem;border-radius:.75rem}.admin-stat-icon svg{width:20px;height:20px}.admin-stat-value{font-size:1.45rem}.admin-stat-label{font-size:.8rem}.admin-stat-sub{font-size:.7rem}.admin-tabs-nav{gap:.5rem;margin-bottom:1.25rem}.admin-tab-btn{padding:.55rem .95rem;font-size:.85rem}.admin-filter-bar{grid-template-columns:1fr;gap:.75rem;padding:.85rem}.admin-table-hint{display:block}.admin-table th,.admin-table td{padding:.75rem .85rem;font-size:.825rem}.admin-modal-card{padding:1.25rem;border-radius:1.25rem}}@media(max-width:480px){.admin-page-wrapper{padding:1rem .65rem}.admin-stats-grid{grid-template-columns:repeat(2,1fr);gap:.6rem}.admin-stat-card{padding:.85rem}.admin-stat-value{font-size:1.3rem}.admin-stat-label{font-size:.75rem}.admin-stat-sub{font-size:.65rem}}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}