@import"https://fonts.googleapis.com/css2?family=Share+Tech+Mono&family=Orbitron:wght@400;700;900&display=swap";:root{--accent-blue: #0099ff;--accent-cyan: #00ffff;--accent-green: #00ff88;--accent-yellow: #ffaa00;--accent-red: #ff3366;--difficulty-beginner: #00ff88;--difficulty-intermediate: #ffaa00;--difficulty-advanced: #ff3366;--difficulty-guru: #8844ff;--status-solved: #00ff88;--status-attempted: #ffaa00;--status-locked: #666666;--category-web: #0099ff;--category-crypto: #ff00ff;--category-forensics: #00ffff;--category-pwn: #ff0066;--category-reverse: #ffaa00;--category-osint: #00ff88;--category-misc: #8844ff;--bg-primary: #0a0a0f;--bg-secondary: #121218;--bg-tertiary: #1a1a24;--bg-card: rgba(18, 18, 24, .8);--bg-hover: rgba(0, 153, 255, .1);--text-primary: #ffffff;--text-secondary: #a0a0a0;--text-muted: #666666;--border-primary: rgba(0, 153, 255, .3);--border-secondary: rgba(255, 255, 255, .1);--shadow-glow: 0 0 20px rgba(0, 153, 255, .3);--shadow-glow-green: 0 0 20px rgba(0, 255, 136, .3);--shadow-glow-cyan: 0 0 20px rgba(0, 255, 255, .3);--font-mono: "Share Tech Mono", "Courier New", monospace;--font-display: "Orbitron", "Arial", sans-serif;--spacing-xs: .25rem;--spacing-sm: .5rem;--spacing-md: 1rem;--spacing-lg: 1.5rem;--spacing-xl: 2rem;--spacing-2xl: 3rem;--radius-sm: .25rem;--radius-md: .5rem;--radius-lg: 1rem;--transition-fast: .15s ease;--transition-normal: .3s ease;--transition-slow: .5s ease}*{margin:0;padding:0;box-sizing:border-box}body{font-family:var(--font-mono);background-color:var(--bg-primary);color:var(--text-primary);line-height:1.6;overflow-x:hidden;min-height:100vh}body:before{content:"";position:fixed;top:0;left:0;width:100%;height:100%;background-image:linear-gradient(rgba(0,153,255,.03) 1px,transparent 1px),linear-gradient(90deg,rgba(0,153,255,.03) 1px,transparent 1px);background-size:50px 50px;pointer-events:none;z-index:-1}#root{min-height:100vh}h1,h2,h3,h4,h5,h6{font-family:var(--font-display);font-weight:700;line-height:1.2;margin-bottom:var(--spacing-md)}h1{font-size:3rem;letter-spacing:.1em}h2{font-size:2rem;letter-spacing:.08em}h3{font-size:1.5rem;letter-spacing:.05em}.glitch{position:relative;display:inline-block;transition:all var(--transition-fast)}.glitch:hover{text-shadow:1px 0 0 var(--accent-cyan),-1px 0 0 var(--accent-red)}a{color:var(--accent-blue);text-decoration:none;transition:color var(--transition-fast)}a:hover{color:var(--accent-cyan)}.btn{padding:var(--spacing-sm) var(--spacing-lg);border:1px solid var(--border-primary);background:transparent;color:var(--text-primary);font-family:var(--font-mono);font-size:.9rem;cursor:pointer;transition:all var(--transition-normal);border-radius:var(--radius-sm);text-transform:uppercase;letter-spacing:.05em}.btn:hover{background:var(--bg-hover);border-color:var(--accent-blue);box-shadow:var(--shadow-glow)}.btn-primary{background:var(--accent-blue);border-color:var(--accent-blue);color:#000;font-weight:600}.btn-primary:hover{background:var(--accent-cyan);border-color:var(--accent-cyan);box-shadow:var(--shadow-glow-cyan)}.btn-success{background:var(--accent-green);border-color:var(--accent-green);color:#000;font-weight:600}.btn-success:hover{box-shadow:var(--shadow-glow-green)}.btn-danger{background:var(--accent-red);border-color:var(--accent-red);color:#fff;font-weight:600}.btn-ghost{background:transparent;border:1px solid var(--border-primary)}.card{background:var(--bg-card);border:1px solid var(--border-secondary);border-radius:var(--radius-md);padding:var(--spacing-lg);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);transition:all var(--transition-normal)}.card:hover{border-color:var(--accent-blue);box-shadow:var(--shadow-glow);transform:translateY(-2px)}.input{width:100%;padding:var(--spacing-sm) var(--spacing-md);background:var(--bg-secondary);border:1px solid var(--border-secondary);border-radius:var(--radius-sm);color:var(--text-primary);font-family:var(--font-mono);font-size:.9rem;transition:all var(--transition-fast)}.input:focus{outline:none;border-color:var(--accent-blue);box-shadow:0 0 10px #09f3}.input::placeholder{color:var(--text-muted)}.terminal-input{background:var(--bg-primary);border:1px solid var(--accent-green);color:var(--accent-green);font-family:var(--font-mono);padding:var(--spacing-md);border-radius:var(--radius-sm);box-shadow:0 0 15px #0f83}.terminal-input:focus{box-shadow:0 0 20px #0f86}.difficulty-badge{display:inline-block;padding:.25rem .75rem;border-radius:1rem;font-size:.75rem;font-weight:600;text-transform:uppercase;letter-spacing:.05em}.difficulty-easy{background:#0f83;color:var(--difficulty-easy);border:1px solid var(--difficulty-easy)}.difficulty-medium{background:#fa03;color:var(--difficulty-medium);border:1px solid var(--difficulty-medium)}.difficulty-hard{background:#f363;color:var(--difficulty-hard);border:1px solid var(--difficulty-hard)}.difficulty-expert{background:#84f3;color:var(--difficulty-expert);border:1px solid var(--difficulty-expert)}.status-solved{color:var(--status-solved)}.status-attempted{color:var(--status-attempted)}.status-locked{color:var(--status-locked)}.spinner{display:inline-block;width:2rem;height:2rem;border:3px solid var(--border-secondary);border-top-color:var(--accent-blue);border-radius:50%;animation:spin 1s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.fade-in{animation:fadeIn .5s ease-in}@keyframes fadeIn{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}.container{max-width:1400px;margin:0 auto;padding:0 var(--spacing-lg)}.grid{display:grid;gap:var(--spacing-lg)}.grid-2{grid-template-columns:repeat(auto-fit,minmax(300px,1fr))}.grid-3{grid-template-columns:repeat(auto-fit,minmax(250px,1fr))}.grid-4{grid-template-columns:repeat(auto-fit,minmax(200px,1fr))}@media(max-width:768px){h1{font-size:2rem}h2{font-size:1.5rem}.grid{gap:var(--spacing-md)}.container{padding:0 var(--spacing-md)}}::-webkit-scrollbar{width:10px}::-webkit-scrollbar-track{background:var(--bg-secondary)}::-webkit-scrollbar-thumb{background:var(--accent-blue);border-radius:5px}::-webkit-scrollbar-thumb:hover{background:var(--accent-cyan)}button:focus,button:focus-visible{outline:4px auto -webkit-focus-ring-color}@media(prefers-color-scheme:light){:root{color:#213547;background-color:#fff}a:hover{color:#747bff}button{background-color:#f9f9f9}}.layout{min-height:100vh;display:flex;flex-direction:column}.layout-header{position:sticky;top:0;z-index:100;background:var(--bg-secondary);border-bottom:1px solid var(--border-primary);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);box-shadow:0 4px 20px #00000080}.header-content{display:flex;align-items:center;justify-content:space-between;padding:var(--spacing-md) var(--spacing-lg);gap:var(--spacing-lg)}.header-logo h2{font-family:var(--font-display);font-size:1.5rem;margin:0;color:var(--accent-cyan);text-transform:uppercase;letter-spacing:.15em}.glitch-small{position:relative;display:inline-block;transition:all var(--transition-fast)}.glitch-small:hover{text-shadow:1px 0 0 var(--accent-cyan),-1px 0 0 var(--accent-red)}.header-nav{display:flex;gap:var(--spacing-sm);flex:1;justify-content:center}.nav-link{display:flex;align-items:center;gap:.5rem;padding:var(--spacing-sm) var(--spacing-md);color:var(--text-secondary);text-decoration:none;font-family:var(--font-mono);font-size:.9rem;border-radius:var(--radius-sm);transition:all var(--transition-fast);text-transform:uppercase;letter-spacing:.05em;border:1px solid transparent}.nav-link:hover{color:var(--text-primary);background:var(--bg-hover);border-color:var(--accent-blue)}.nav-link.active{color:var(--accent-blue);background:#0099ff1a;border-color:var(--accent-blue);font-weight:600}.nav-link svg{font-size:1.2rem}.header-actions{display:flex;align-items:center;gap:var(--spacing-md)}.user-info{display:flex;flex-direction:column;align-items:flex-end;padding-right:var(--spacing-md);border-right:1px solid var(--border-secondary)}.username{font-weight:600;color:var(--text-primary);font-size:.9rem}.user-points{font-size:.8rem;color:var(--accent-green);font-weight:600;font-family:var(--font-display)}.logout-btn{display:flex;align-items:center;gap:.5rem;padding:var(--spacing-sm) var(--spacing-md)}.logout-btn svg{font-size:1.1rem}.mobile-menu-toggle{display:none;background:transparent;border:1px solid var(--border-primary);color:var(--text-primary);padding:var(--spacing-sm);border-radius:var(--radius-sm);cursor:pointer;font-size:1.5rem;transition:all var(--transition-fast)}.mobile-menu-toggle:hover{border-color:var(--accent-blue);color:var(--accent-blue)}.layout-main{flex:1}.layout-footer{background:var(--bg-secondary);border-top:1px solid var(--border-secondary);padding:var(--spacing-lg);margin-top:var(--spacing-2xl)}.footer-content{text-align:center;color:var(--text-secondary);font-size:.9rem}.footer-content p{margin:.25rem 0}.footer-terminal{color:var(--accent-green);font-family:var(--font-mono)}@media(max-width:768px){.header-content{padding:var(--spacing-sm) var(--spacing-md)}.header-nav{position:fixed;top:60px;left:0;right:0;flex-direction:column;background:var(--bg-secondary);border-bottom:1px solid var(--border-primary);padding:var(--spacing-md);gap:0;transform:translateY(-100%);opacity:0;transition:all var(--transition-normal);pointer-events:none}.header-nav.mobile-open{transform:translateY(0);opacity:1;pointer-events:all}.nav-link{width:100%;justify-content:flex-start;padding:var(--spacing-md)}.user-info,.logout-btn span{display:none}.mobile-menu-toggle{display:flex;align-items:center;justify-content:center}}.auth-container{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:var(--spacing-lg)}.auth-card{width:100%;max-width:450px;background:var(--bg-card);border:1px solid var(--border-primary);border-radius:var(--radius-lg);padding:var(--spacing-2xl);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);box-shadow:var(--shadow-glow);animation:fadeIn .5s ease}.auth-header{text-align:center;margin-bottom:var(--spacing-xl)}.auth-header h1{margin-bottom:var(--spacing-sm);color:var(--accent-cyan)}.auth-subtitle{color:var(--accent-green);font-family:var(--font-mono);font-size:.9rem}.auth-error{display:flex;align-items:center;gap:var(--spacing-sm);padding:var(--spacing-md);background:#ff33661a;border:1px solid var(--accent-red);border-radius:var(--radius-md);color:var(--accent-red);margin-bottom:var(--spacing-lg);font-size:.9rem}.auth-error svg{flex-shrink:0;font-size:1.2rem}.auth-form{display:flex;flex-direction:column;gap:var(--spacing-lg)}.form-group{display:flex;flex-direction:column;gap:var(--spacing-sm)}.form-group label{display:flex;align-items:center;gap:.5rem;font-family:var(--font-display);font-size:.9rem;font-weight:600;color:var(--accent-blue);text-transform:uppercase;letter-spacing:.05em}.form-group label svg{font-size:1rem}.btn-full{width:100%;padding:var(--spacing-md);font-size:1rem;margin-top:var(--spacing-md)}.auth-footer{text-align:center;margin-top:var(--spacing-xl);padding-top:var(--spacing-lg);border-top:1px solid var(--border-secondary)}.auth-footer p{color:var(--text-secondary);font-size:.9rem}.auth-footer a{color:var(--accent-blue);font-weight:600;text-decoration:none;transition:color var(--transition-fast)}.auth-footer a:hover{color:var(--accent-cyan)}.auth-divider{position:relative;text-align:center;margin:var(--spacing-lg) 0}.auth-divider:before{content:"";position:absolute;top:50%;left:0;right:0;height:1px;background:var(--border-secondary)}.auth-divider span{position:relative;display:inline-block;padding:0 var(--spacing-md);background:var(--bg-card);color:var(--text-secondary);font-size:.85rem;font-weight:600}.btn-google{display:flex;align-items:center;justify-content:center;gap:var(--spacing-sm);width:100%;padding:var(--spacing-md);background:#fff;color:#333;border:1px solid var(--border-primary);border-radius:var(--radius-md);font-size:1rem;font-weight:600;cursor:pointer;transition:all .3s ease}.btn-google:hover{background:#f8f8f8;border-color:var(--accent-cyan);transform:translateY(-2px);box-shadow:0 4px 12px #0ff3}.btn-google:active{transform:translateY(0)}@media(max-width:768px){.auth-card{padding:var(--spacing-xl)}.auth-header h1{font-size:2rem}}.challenge-card-link{text-decoration:none;display:block}.challenge-card{background:var(--bg-card);border:1px solid var(--border-secondary);border-radius:var(--radius-md);padding:var(--spacing-lg);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);transition:all var(--transition-normal);height:100%;display:flex;flex-direction:column;position:relative;overflow:hidden}.challenge-card.challenge-solved{background:linear-gradient(135deg,rgba(0,255,136,.05) 0%,var(--bg-card) 100%);border-color:var(--accent-green)}.challenge-card:before{content:"";position:absolute;top:0;left:0;width:100%;height:3px;background:var(--accent-blue);transform:scaleX(0);transition:transform var(--transition-normal)}.challenge-card.challenge-solved:before{background:var(--accent-green);transform:scaleX(1)}.challenge-card:hover{border-color:var(--accent-cyan);box-shadow:0 8px 24px #0000004d;transform:translateY(-4px)}.challenge-card.challenge-solved:hover{border-color:var(--accent-green);box-shadow:0 8px 24px #0f83}.challenge-card:hover:before{transform:scaleX(1)}.solved-banner{position:absolute;top:12px;right:-30px;background:var(--accent-green);color:var(--bg-primary);padding:.25rem 2rem;font-size:.7rem;font-weight:700;letter-spacing:.1em;transform:rotate(45deg);box-shadow:0 2px 8px #0f86;display:flex;align-items:center;gap:.25rem;z-index:1}.challenge-card-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:var(--spacing-md)}.challenge-category{font-family:var(--font-display);font-size:.75rem;font-weight:700;letter-spacing:.1em}.challenge-title{font-family:var(--font-display);font-size:1.25rem;color:var(--text-primary);margin-bottom:var(--spacing-sm);line-height:1.3}.challenge-description{color:var(--text-secondary);font-size:.9rem;line-height:1.5;margin-bottom:var(--spacing-md);flex:1}.challenge-tags{display:flex;flex-wrap:wrap;gap:.5rem;margin-bottom:var(--spacing-md)}.challenge-tag{background:#0099ff1a;color:var(--accent-blue);padding:.25rem .5rem;border-radius:var(--radius-sm);font-size:.75rem;border:1px solid rgba(0,153,255,.2)}.challenge-footer{display:flex;gap:var(--spacing-md);align-items:center;padding-top:var(--spacing-md);border-top:1px solid var(--border-secondary);margin-top:auto}.challenge-stat{display:flex;align-items:center;gap:.25rem;font-size:.85rem;color:var(--text-secondary)}.challenge-stat svg{font-size:1rem}.challenge-stat.status-solved{color:var(--status-solved);font-weight:600;margin-left:auto}.challenge-stat.status-attempted{color:var(--status-attempted);font-weight:600;margin-left:auto}.first-blood-badge{position:absolute;top:-8px;right:10px;background:var(--accent-red);color:#fff;padding:.25rem .75rem;border-radius:0 0 var(--radius-sm) var(--radius-sm);font-size:.75rem;font-weight:600;box-shadow:0 4px 10px #f366;animation:pulse 2s infinite}@keyframes pulse{0%,to{box-shadow:0 4px 10px #f366}50%{box-shadow:0 4px 20px #ff3366b3}}@media(max-width:768px){.challenge-card{padding:var(--spacing-md)}.challenge-footer{flex-wrap:wrap;gap:var(--spacing-sm)}}.leaderboard-table-container{background:var(--bg-card);border:1px solid var(--border-secondary);border-radius:var(--radius-md);overflow:hidden;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.leaderboard-table{width:100%;border-collapse:collapse;font-family:var(--font-mono)}.leaderboard-table thead{background:var(--bg-secondary)}.leaderboard-table th{padding:var(--spacing-md);text-align:left;font-family:var(--font-display);font-size:.85rem;font-weight:700;text-transform:uppercase;letter-spacing:.1em;color:var(--accent-blue);border-bottom:2px solid var(--border-primary)}.leaderboard-table td{padding:var(--spacing-md);border-bottom:1px solid var(--border-secondary);color:var(--text-primary)}.leaderboard-table tbody tr{transition:background var(--transition-fast)}.leaderboard-table tbody tr:hover{background:var(--bg-hover)}.leaderboard-table tbody tr.current-user{background:#0099ff26;border-left:3px solid var(--accent-blue)}.leaderboard-table tbody tr.rank-1{background:#ffd7000d}.leaderboard-table tbody tr.rank-2{background:#c0c0c00d}.leaderboard-table tbody tr.rank-3{background:#cd7f320d}.rank-cell{width:80px}.rank-content{display:flex;align-items:center;gap:.5rem}.rank-icon{font-size:1.2rem}.rank-icon.gold{color:gold;filter:drop-shadow(0 0 5px #ffd700)}.rank-icon.silver{color:silver;filter:drop-shadow(0 0 5px #c0c0c0)}.rank-icon.bronze{color:#cd7f32;filter:drop-shadow(0 0 5px #cd7f32)}.rank-number{font-weight:600;font-family:var(--font-display)}.user-cell{min-width:200px}.user-info{display:flex;align-items:center;gap:var(--spacing-sm)}.user-avatar,.user-avatar-placeholder{width:32px;height:32px;border-radius:50%;flex-shrink:0}.user-avatar{object-fit:cover;border:2px solid var(--border-primary)}.user-avatar-placeholder{display:flex;align-items:center;justify-content:center;background:var(--bg-secondary);border:2px solid var(--border-primary);color:var(--accent-blue);font-weight:700;font-family:var(--font-display)}.username{font-weight:600}.you-badge{background:var(--accent-blue);color:#000;padding:.125rem .5rem;border-radius:var(--radius-sm);font-size:.7rem;font-weight:700;letter-spacing:.05em}.points-cell{font-weight:700;color:var(--accent-green);font-family:var(--font-display);font-size:1.1rem}.solves-cell{color:var(--text-secondary)}.solves-content{display:flex;align-items:center;gap:.25rem}.solves-icon{color:var(--accent-cyan)}.time-cell{color:var(--text-secondary);font-size:.85rem}@media(max-width:768px){.leaderboard-table-container{overflow-x:auto}.leaderboard-table{font-size:.85rem}.leaderboard-table th,.leaderboard-table td{padding:var(--spacing-sm)}.time-cell{display:none}.rank-content{gap:.25rem}.user-avatar,.user-avatar-placeholder{width:28px;height:28px}}.dashboard-container{padding:var(--spacing-xl) var(--spacing-lg)}.dashboard-header{display:flex;flex-direction:column;gap:var(--spacing-md);margin-bottom:var(--spacing-2xl)}.dashboard-header h1{font-size:2.5rem;margin-bottom:0}.dashboard-tagline{color:var(--text-secondary);font-size:1.1rem;margin-top:var(--spacing-sm)}.dashboard-tagline .highlight{color:var(--accent-cyan);font-weight:600}.dashboard-timer h3{font-size:.9rem;text-align:center;margin-bottom:var(--spacing-sm);color:var(--text-secondary);text-transform:uppercase;letter-spacing:.1em}.stats-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:var(--spacing-lg);margin-bottom:var(--spacing-2xl)}.stat-card{background:var(--bg-card);border:1px solid var(--border-secondary);border-radius:var(--radius-md);padding:var(--spacing-lg);display:flex;align-items:center;gap:var(--spacing-lg);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);transition:all var(--transition-normal)}.stat-card:hover{border-color:var(--accent-blue);box-shadow:var(--shadow-glow);transform:translateY(-2px)}.stat-icon{width:60px;height:60px;display:flex;align-items:center;justify-content:center;background:var(--bg-secondary);border:2px solid var(--accent-blue);border-radius:var(--radius-md);color:var(--accent-blue);font-size:2rem}.stat-content{flex:1}.stat-value{font-family:var(--font-display);font-size:2rem;font-weight:700;color:var(--accent-green);line-height:1;margin-bottom:.25rem}.stat-label{color:var(--text-secondary);font-size:.85rem;text-transform:uppercase;letter-spacing:.05em}.dashboard-section{margin-bottom:var(--spacing-2xl)}.section-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:var(--spacing-lg)}.section-header h2{margin-bottom:0}.category-progress-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:var(--spacing-md)}.category-progress-card{background:var(--bg-card);border:1px solid 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h1{font-size:2rem}.stats-grid,.category-progress-grid{grid-template-columns:1fr}.stat-card{padding:var(--spacing-md)}.stat-icon{width:50px;height:50px;font-size:1.5rem}.stat-value{font-size:1.5rem}.section-header{flex-direction:column;align-items:flex-start;gap:var(--spacing-sm)}}.category-filter{display:flex;gap:.75rem;flex-wrap:wrap;margin-bottom:var(--spacing-lg);animation:fadeInUp .5s ease-out}@keyframes fadeInUp{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.category-btn{display:flex;align-items:center;gap:.5rem;padding:.6rem 1.2rem;background:var(--bg-secondary);border:2px solid var(--border-secondary);border-radius:var(--radius-md);color:var(--text-secondary);font-family:var(--font-mono);font-size:.85rem;font-weight:500;cursor:pointer;transition:all .3s 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svg{font-size:1rem}@media(max-width:768px){.resources-grid{grid-template-columns:1fr}.resources-controls{flex-direction:column}.search-bar,.type-filter{width:100%}}#root{width:100%}