@import"https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700;800;900&family=JetBrains+Mono:wght@400;600&display=swap";:root{--bg-primary: #09080f;--bg-secondary: #0f0e1a;--bg-card: rgba(255,255,255,.03);--bg-glass: rgba(255,255,255,.05);--bg-glass-strong: rgba(255,255,255,.08);--neon-green: #39ff14;--neon-cyan: #00f0ff;--neon-pink: #ff2daa;--neon-purple: #b14eff;--neon-yellow: #ffe600;--neon-red: #ff3838;--text-primary: #f0f0f0;--text-secondary: rgba(240,240,240,.6);--text-muted: rgba(240,240,240,.35);--border-subtle: rgba(255,255,255,.06);--border-glow: rgba(57,255,20,.3);--font-main: "Outfit", system-ui, sans-serif;--font-mono: "JetBrains Mono", monospace;--gap-xs: 4px;--gap-sm: 8px;--gap-md: 16px;--gap-lg: 24px;--gap-xl: 40px;--gap-2xl: 64px;--radius-sm: 8px;--radius-md: 12px;--radius-lg: 20px;--radius-xl: 28px;--radius-full: 9999px;--ease-out: cubic-bezier(.16, 1, .3, 1);--transition-fast: .15s var(--ease-out);--transition-mid: .3s var(--ease-out);--transition-slow: .5s var(--ease-out)}*,*:before,*:after{margin:0;padding:0;box-sizing:border-box}html{scroll-behavior:smooth;-webkit-font-smoothing:antialiased}body{font-family:var(--font-main);background:var(--bg-primary);color:var(--text-primary);line-height:1.6;min-height:100vh;overflow-x:hidden}a{text-decoration:none;color:inherit}button{font-family:inherit;cursor:pointer;border:none;background:none;color:inherit}img{display:block;max-width:100%}body:before{content:"";position:fixed;inset:0;background:radial-gradient(ellipse 600px 400px at 20% 20%,rgba(57,255,20,.06),transparent),radial-gradient(ellipse 500px 500px at 80% 80%,rgba(177,78,255,.05),transparent),radial-gradient(ellipse 400px 300px at 50% 50%,rgba(0,240,255,.04),transparent);pointer-events:none;z-index:0}body:after{content:"";position:fixed;inset:0;background-image:linear-gradient(rgba(255,255,255,.015) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.015) 1px,transparent 1px);background-size:60px 60px;pointer-events:none;z-index:0}#app,main,.page-content{position:relative;z-index:1}.nav{position:fixed;top:0;left:0;right:0;z-index:100;padding:0 var(--gap-lg);height:64px;display:flex;align-items:center;justify-content:space-between;background:#09080fcc;-webkit-backdrop-filter:blur(20px) saturate(180%);backdrop-filter:blur(20px) saturate(180%);border-bottom:1px solid var(--border-subtle)}.nav-brand{display:flex;align-items:center;gap:var(--gap-sm);font-weight:800;font-size:1.15rem;letter-spacing:-.02em}.nav-brand .icon{font-size:1.4rem}.nav-brand span{background:linear-gradient(135deg,var(--neon-green),var(--neon-cyan));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.nav-links{display:flex;align-items:center;gap:var(--gap-xs);list-style:none}.nav-links a{padding:var(--gap-sm) var(--gap-md);border-radius:var(--radius-full);font-size:.9rem;font-weight:500;color:var(--text-secondary);transition:all var(--transition-fast);position:relative}.nav-links a:hover,.nav-links a.active{color:var(--text-primary);background:var(--bg-glass)}.nav-links a.active{color:var(--neon-green);background:#39ff1414}.nav-toggle{display:none;flex-direction:column;gap:5px;padding:8px}.nav-toggle span{display:block;width:22px;height:2px;background:var(--text-primary);border-radius:2px;transition:all var(--transition-fast)}.hero{min-height:100vh;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;padding:var(--gap-2xl) var(--gap-lg);position:relative;overflow:hidden}.hero-glow{position:absolute;width:600px;height:600px;border-radius:50%;filter:blur(120px);opacity:.4;pointer-events:none;animation:pulse-glow 6s ease-in-out infinite alternate}.hero-glow.green{background:var(--neon-green);top:-200px;left:-100px;opacity:.12}.hero-glow.purple{background:var(--neon-purple);bottom:-200px;right:-100px;opacity:.1}.hero-glow.cyan{background:var(--neon-cyan);top:50%;left:50%;transform:translate(-50%,-50%);width:400px;height:400px;opacity:.06}@keyframes pulse-glow{0%{transform:scale(1);opacity:.12}to{transform:scale(1.15);opacity:.18}}.hero-badge{display:inline-flex;align-items:center;gap:var(--gap-sm);padding:6px 16px;border-radius:var(--radius-full);background:#39ff1414;border:1px solid rgba(57,255,20,.2);color:var(--neon-green);font-size:.8rem;font-weight:600;text-transform:uppercase;letter-spacing:.08em;margin-bottom:var(--gap-lg);animation:badge-fade-in .8s var(--ease-out) both}@keyframes badge-fade-in{0%{opacity:0;transform:translateY(12px)}to{opacity:1;transform:translateY(0)}}.hero h1{font-size:clamp(3rem,8vw,6rem);font-weight:900;letter-spacing:-.03em;line-height:1;margin-bottom:var(--gap-lg);animation:hero-title-in 1s var(--ease-out) .1s both}.hero h1 .highlight{background:linear-gradient(135deg,var(--neon-green),var(--neon-cyan),var(--neon-purple));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;background-size:200% 200%;animation:gradient-shift 4s ease-in-out infinite}@keyframes gradient-shift{0%,to{background-position:0% 50%}50%{background-position:100% 50%}}@keyframes hero-title-in{0%{opacity:0;transform:translateY(30px) scale(.95)}to{opacity:1;transform:translateY(0) scale(1)}}.hero-subtitle{font-size:clamp(1rem,2.5vw,1.3rem);color:var(--text-secondary);max-width:600px;line-height:1.7;margin-bottom:var(--gap-xl);animation:hero-title-in 1s var(--ease-out) .25s both}.btn{display:inline-flex;align-items:center;gap:var(--gap-sm);padding:12px 28px;border-radius:var(--radius-full);font-weight:600;font-size:.95rem;transition:all var(--transition-fast);position:relative;overflow:hidden}.btn-primary{background:linear-gradient(135deg,var(--neon-green),#20cc00);color:#000;box-shadow:0 0 30px #39ff1433}.btn-primary:hover{transform:translateY(-2px);box-shadow:0 0 50px #39ff1459}.btn-secondary{background:var(--bg-glass-strong);border:1px solid var(--border-subtle);color:var(--text-primary)}.btn-secondary:hover{background:#ffffff1f;border-color:#ffffff26;transform:translateY(-2px)}.btn-danger{background:#ff383826;border:1px solid rgba(255,56,56,.3);color:var(--neon-red)}.btn-danger:hover{background:#ff383840}.btn-sm{padding:8px 18px;font-size:.85rem}.btn-icon{width:40px;height:40px;padding:0;display:inline-flex;align-items:center;justify-content:center;border-radius:var(--radius-md);background:var(--bg-glass);border:1px solid var(--border-subtle);transition:all var(--transition-fast)}.btn-icon:hover{background:var(--bg-glass-strong)}.card{background:var(--bg-card);border:1px solid var(--border-subtle);border-radius:var(--radius-lg);padding:var(--gap-lg);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);transition:all var(--transition-mid)}.card:hover{border-color:#ffffff1a;background:var(--bg-glass);transform:translateY(-4px)}.card-glow{position:relative}.card-glow:before{content:"";position:absolute;inset:-1px;border-radius:inherit;padding:1px;background:linear-gradient(135deg,transparent,rgba(57,255,20,.15),transparent,rgba(0,240,255,.15),transparent);-webkit-mask:linear-gradient(#fff 0 0) content-box,linear-gradient(#fff 0 0);-webkit-mask-composite:xor;mask:linear-gradient(#fff 0 0) content-box,linear-gradient(#fff 0 0);mask-composite:exclude;opacity:0;transition:opacity var(--transition-mid)}.card-glow:hover:before{opacity:1}.level-card{display:grid;grid-template-columns:160px 1fr 100px;align-items:stretch;gap:0;padding:0;cursor:pointer;border-radius:var(--radius-md);background:var(--bg-card);border:1px solid var(--border-subtle);transition:all var(--transition-fast);min-height:110px;overflow:hidden}.level-card:hover{background:var(--bg-glass-strong);border-color:#39ff1426;transform:translate(4px)}.level-thumb{width:100%;height:100%;border-radius:0;object-fit:cover;background:#000;border-right:1px solid var(--border-subtle)}.level-info{display:flex;flex-direction:column;justify-content:center;padding:var(--gap-md) var(--gap-lg)}.level-info h3{font-size:1.2rem;font-weight:700;margin-bottom:4px;line-height:1.2}.level-info .creator{font-size:.95rem;color:var(--text-secondary)}.level-actions{display:flex;flex-direction:column;align-items:flex-end;justify-content:center;gap:8px;padding:var(--gap-md);padding-left:0}.level-rank{font-family:var(--font-mono);font-size:2.2rem;font-weight:800;color:var(--neon-green);line-height:1}.level-rank.top3{background:linear-gradient(135deg,var(--neon-green),var(--neon-cyan));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;font-size:2.6rem}.btn-view{font-size:.75rem;padding:6px 16px;background:var(--bg-glass);border:1px solid var(--border-subtle);border-radius:var(--radius-full);color:var(--text-secondary);text-transform:uppercase;font-weight:600;transition:all var(--transition-fast)}.level-card:hover .btn-view{background:#39ff141a;color:var(--neon-green);border-color:#39ff144d}.difficulty-badge{display:none}.level-empty{opacity:.3;pointer-events:none}.level-empty .level-thumb{background:var(--bg-glass);border:none;border-right:1px solid var(--border-subtle)}@media(max-width:600px){.level-card{grid-template-columns:1fr auto;grid-template-rows:200px auto;gap:0}.level-thumb{grid-column:1 / -1;grid-row:1;height:100%;border-right:none;border-bottom:1px solid var(--border-subtle)}.level-info{grid-column:1;grid-row:2;padding:var(--gap-md)}.level-info h3{font-size:1.1rem;margin-bottom:2px}.level-actions{grid-column:2;grid-row:2;padding:var(--gap-md);align-items:center;justify-content:center;gap:var(--gap-sm)}.level-rank{font-size:1.8rem}.level-rank.top3{font-size:2rem}.btn-view{display:inline-flex;padding:6px 12px;font-size:.7rem}}.stats-row{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:var(--gap-md);margin:var(--gap-xl) 0}.stat-card{text-align:center;padding:var(--gap-lg);border-radius:var(--radius-lg);background:var(--bg-card);border:1px solid var(--border-subtle)}.stat-card .stat-value{font-size:2.5rem;font-weight:900;font-family:var(--font-mono);background:linear-gradient(135deg,var(--neon-green),var(--neon-cyan));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.stat-card .stat-label{font-size:.85rem;color:var(--text-secondary);margin-top:var(--gap-xs);text-transform:uppercase;letter-spacing:.05em}.modal-overlay{position:fixed;inset:0;background:#000000f2;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);z-index:1000;display:flex;align-items:center;justify-content:center;padding:var(--gap-lg);opacity:0;visibility:hidden;transition:all var(--transition-mid)}.modal-overlay.active{opacity:1;visibility:visible}.modal{background:var(--bg-secondary);border:1px solid var(--border-subtle);border-radius:var(--radius-xl);width:100%;max-width:720px;max-height:90vh;overflow-y:auto;transform:scale(.9) translateY(20px);transition:transform var(--transition-mid);position:relative}.modal-overlay.active .modal{transform:scale(1) translateY(0)}.modal-header{display:flex;align-items:center;justify-content:space-between;padding:var(--gap-lg) var(--gap-lg) 0}.modal-header h2{font-size:1.5rem;font-weight:800}.modal-close{width:36px;height:36px;display:flex;align-items:center;justify-content:center;border-radius:var(--radius-sm);background:var(--bg-glass);border:1px solid var(--border-subtle);font-size:1.2rem;cursor:pointer;transition:all var(--transition-fast)}.modal-close:hover{background:#ff383826;color:var(--neon-red)}.modal-body{padding:var(--gap-lg)}.modal-video{width:100%;aspect-ratio:16/9;border-radius:var(--radius-md);overflow:hidden;margin-bottom:var(--gap-lg);background:#000}.modal-video iframe{width:100%;height:100%;border:none}.modal-detail-grid{display:grid;grid-template-columns:1fr 1fr;gap:var(--gap-md)}.modal-detail{padding:var(--gap-md);border-radius:var(--radius-sm);background:var(--bg-glass)}.modal-detail label{display:block;font-size:.75rem;color:var(--text-muted);text-transform:uppercase;letter-spacing:.08em;margin-bottom:var(--gap-xs)}.modal-detail span{font-weight:600;font-size:.95rem}.form-group{margin-bottom:var(--gap-md)}.form-group label{display:block;font-size:.85rem;font-weight:600;color:var(--text-secondary);margin-bottom:var(--gap-xs);text-transform:uppercase;letter-spacing:.04em}.form-input,.form-select,.form-textarea{width:100%;padding:12px 16px;border-radius:var(--radius-md);background:var(--bg-glass);border:1px solid var(--border-subtle);color:var(--text-primary);font-family:var(--font-main);font-size:.95rem;transition:all var(--transition-fast);outline:none}.form-input:focus,.form-select:focus,.form-textarea:focus{border-color:var(--neon-green);box-shadow:0 0 0 3px #39ff141a}.form-textarea{min-height:100px;resize:vertical}.form-select{appearance:none;cursor:pointer;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23999' d='M6 8L1 3h10z'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 12px center;padding-right:36px}.rankings-table{width:100%;border-collapse:separate;border-spacing:0 var(--gap-sm)}.rankings-table th{text-align:left;padding:var(--gap-sm) var(--gap-md);font-size:.75rem;color:var(--text-muted);text-transform:uppercase;letter-spacing:.08em;font-weight:600}.rankings-table td{padding:var(--gap-md);background:var(--bg-card);border-top:1px solid var(--border-subtle);border-bottom:1px solid var(--border-subtle)}.rankings-table td:first-child{border-left:1px solid var(--border-subtle);border-radius:var(--radius-sm) 0 0 var(--radius-sm)}.rankings-table td:last-child{border-right:1px solid var(--border-subtle);border-radius:0 var(--radius-sm) var(--radius-sm) 0}.rankings-table tr:hover td{background:var(--bg-glass)}.rank-pos{font-family:var(--font-mono);font-weight:700;color:var(--neon-green)}.profile-card{display:flex;align-items:center;gap:var(--gap-lg);padding:var(--gap-xl);border-radius:var(--radius-xl);background:var(--bg-card);border:1px solid var(--border-subtle);margin-bottom:var(--gap-xl)}.profile-avatar{width:80px;height:80px;border-radius:var(--radius-md);background:linear-gradient(135deg,var(--neon-green),var(--neon-purple));display:flex;align-items:center;justify-content:center;font-size:2rem;font-weight:800;flex-shrink:0}.profile-info h2{font-size:1.5rem;font-weight:800}.profile-info .profile-meta{color:var(--text-secondary);font-size:.9rem}.admin-grid{display:grid;grid-template-columns:380px 1fr;gap:var(--gap-xl);align-items:start}.admin-form-panel{position:sticky;top:84px}.admin-levels-list{display:flex;flex-direction:column;gap:var(--gap-sm)}.admin-level-item{display:grid;grid-template-columns:40px 1fr auto;align-items:center;gap:var(--gap-md);padding:var(--gap-md);border-radius:var(--radius-md);background:var(--bg-card);border:1px solid var(--border-subtle)}.admin-level-item .actions{display:flex;gap:var(--gap-sm)}.section{padding:var(--gap-2xl) var(--gap-lg);max-width:1100px;margin:0 auto}.section-header{margin-bottom:var(--gap-xl)}.section-header h2{font-size:clamp(1.8rem,4vw,2.5rem);font-weight:900;letter-spacing:-.02em}.section-header p{color:var(--text-secondary);margin-top:var(--gap-sm);max-width:600px}.tag{display:inline-flex;align-items:center;gap:4px;padding:4px 10px;border-radius:var(--radius-full);font-size:.75rem;font-weight:600;background:var(--bg-glass);border:1px solid var(--border-subtle);color:var(--text-secondary)}.container{padding-top:80px;min-height:100vh}.text-center{text-align:center}.text-glow{text-shadow:0 0 40px rgba(57,255,20,.3)}.mt-sm{margin-top:var(--gap-sm)}.mt-md{margin-top:var(--gap-md)}.mt-lg{margin-top:var(--gap-lg)}.mt-xl{margin-top:var(--gap-xl)}.mb-lg{margin-bottom:var(--gap-lg)}.profile-extra{border-top:1px solid var(--border-subtle);padding-top:var(--gap-md)}.detail-row{display:flex;align-items:center;gap:var(--gap-sm);margin-bottom:6px;font-size:.9rem;color:var(--text-secondary)}.detail-row strong{color:var(--text-primary)}.profile-bio{font-style:italic;color:var(--text-muted);font-size:.9rem;line-height:1.5;background:var(--bg-glass);padding:var(--gap-sm) var(--gap-md);border-radius:var(--radius-sm);border-left:2px solid var(--neon-purple)}.profile-tag{background:var(--bg-glass-strong);color:var(--neon-cyan);padding:2px 6px;border-radius:4px;font-size:.8em;vertical-align:middle;margin-right:6px;border:1px solid rgba(0,240,255,.2)}.flex-center{display:flex;align-items:center;justify-content:center}.hero-actions{display:flex;gap:var(--gap-md);flex-wrap:wrap;justify-content:center;animation:hero-title-in 1s var(--ease-out) .4s both}.auth-container{max-width:440px;margin:0 auto;text-align:center}.google-btn{display:inline-flex;align-items:center;gap:var(--gap-sm);padding:14px 32px;border-radius:var(--radius-full);background:#fff;color:#333;font-weight:600;font-size:1rem;transition:all var(--transition-fast);box-shadow:0 2px 16px #0000004d}.google-btn:hover{transform:translateY(-2px);box-shadow:0 4px 24px #0006}.features-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:var(--gap-lg)}.feature-card{padding:var(--gap-xl);border-radius:var(--radius-lg);background:var(--bg-card);border:1px solid var(--border-subtle);transition:all var(--transition-mid)}.feature-card:hover{border-color:#39ff1426;background:var(--bg-glass);transform:translateY(-4px)}.feature-icon{width:52px;height:52px;border-radius:var(--radius-md);background:#39ff1414;display:flex;align-items:center;justify-content:center;font-size:1.5rem;margin-bottom:var(--gap-md)}.feature-card h3{font-size:1.1rem;font-weight:700;margin-bottom:var(--gap-sm)}.feature-card p{color:var(--text-secondary);font-size:.9rem;line-height:1.6}.skeleton{background:linear-gradient(90deg,var(--bg-glass) 25%,var(--bg-glass-strong) 50%,var(--bg-glass) 75%);background-size:200% 100%;animation:shimmer 1.5s infinite;border-radius:var(--radius-sm)}@keyframes shimmer{0%{background-position:200% 0}to{background-position:-200% 0}}::-webkit-scrollbar{width:6px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:#ffffff1a;border-radius:3px}::-webkit-scrollbar-thumb:hover{background:#fff3}.toast{position:fixed;bottom:24px;right:24px;padding:14px 24px;border-radius:var(--radius-md);background:var(--bg-secondary);border:1px solid var(--border-subtle);font-size:.9rem;font-weight:500;z-index:2000;transform:translateY(100px);opacity:0;transition:all var(--transition-mid)}.toast.show{transform:translateY(0);opacity:1}.toast.success{border-color:#39ff144d;color:var(--neon-green)}.toast.error{border-color:#ff38384d;color:var(--neon-red)}.footer{text-align:center;padding:var(--gap-xl) var(--gap-lg);color:var(--text-muted);font-size:.8rem;border-top:1px solid var(--border-subtle)}@media(max-width:768px){.nav-links{position:fixed;top:64px;left:0;right:0;background:#09080ff2;-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);flex-direction:column;padding:var(--gap-md);border-bottom:1px solid var(--border-subtle);transform:translateY(-100%);opacity:0;transition:all var(--transition-mid);pointer-events:none}.nav-links.open{transform:translateY(0);opacity:1;pointer-events:auto}.nav-toggle{display:flex}.admin-grid{grid-template-columns:1fr}.admin-form-panel{position:static}.profile-card{flex-direction:column;text-align:center}.modal-detail-grid{grid-template-columns:1fr}.level-card{grid-template-columns:44px 1fr}.level-card .difficulty-badge{display:none}}.particle{position:fixed;width:3px;height:3px;background:var(--neon-green);border-radius:50%;pointer-events:none;z-index:0;opacity:0;animation:float-particle 8s linear infinite}@keyframes float-particle{0%{opacity:0;transform:translateY(100vh) scale(0)}10%{opacity:.6}90%{opacity:.6}to{opacity:0;transform:translateY(-10vh) scale(1)}}.auth-tabs{display:flex;gap:var(--gap-xs);margin-bottom:var(--gap-lg);background:var(--bg-glass);padding:4px;border-radius:var(--radius-md)}.auth-tab{flex:1;padding:10px;text-align:center;font-weight:600;font-size:.9rem;color:var(--text-secondary);border-radius:var(--radius-sm);transition:all var(--transition-fast)}.auth-tab:hover{color:var(--text-primary);background:#ffffff0d}.auth-tab.active{background:var(--bg-glass-strong);color:var(--neon-green);box-shadow:0 2px 8px #0003}.auth-form{animation:fade-in .3s var(--ease-out)}@keyframes fade-in{0%{opacity:0;transform:translateY(5px)}to{opacity:1;transform:translateY(0)}}.auth-divider{display:flex;align-items:center;gap:var(--gap-md);margin:var(--gap-lg) 0;color:var(--text-muted);font-size:.8rem;text-transform:uppercase;letter-spacing:.05em}.auth-divider:before,.auth-divider:after{content:"";flex:1;height:1px;background:var(--border-subtle)}.google-btn{width:100%;display:flex;align-items:center;justify-content:center;gap:var(--gap-md);padding:12px;background:#fff;color:#333;font-weight:600;border-radius:var(--radius-md);transition:all var(--transition-fast)}.google-btn:hover{background:#f0f0f0;transform:translateY(-2px)}.google-btn svg{width:20px;height:20px}.form-row{display:flex;gap:var(--gap-md)}@media(max-width:600px){.form-row{flex-direction:column;gap:0}}