@import"https://fonts.googleapis.com/css2?family=Share+Tech+Mono&family=Orbitron:wght@400;700;900&display=swap";:root{--accent-blue: #00b4ff;--accent-cyan: #00ffff;--accent-green: #00ff88;--accent-teal: #00d9a8;--accent-yellow: #ffaa00;--accent-red: #ff3366;--accent-neon-blue: #0088ff;--accent-aqua: #00ddff;--accent-mint: #66ffcc;--difficulty-beginner: #00ff88;--difficulty-intermediate: #ffaa00;--difficulty-advanced: #ff3366;--difficulty-guru: #00b4ff;--status-solved: #00ff88;--status-attempted: #ffaa00;--status-locked: #888888;--category-web: #00b4ff;--category-crypto: #00d9a8;--category-forensics: #00ffff;--category-pwn: #0088ff;--category-reverse: #ffaa00;--category-osint: #00ff88;--category-misc: #66ffcc;--bg-primary: #0a0e14;--bg-secondary: #0f141c;--bg-tertiary: #141b26;--bg-card: rgba(15, 20, 28, .9);--bg-hover: rgba(0, 180, 255, .15);--text-primary: #e8e8ea;--text-secondary: #b8b8bb;--text-muted: #888890;--border-primary: rgba(0, 180, 255, .4);--border-secondary: rgba(255, 255, 255, .15);--shadow-glow: 0 0 25px rgba(0, 180, 255, .4);--shadow-glow-green: 0 0 25px rgba(0, 255, 136, .4);--shadow-glow-cyan: 0 0 25px rgba(0, 255, 255, .4);--shadow-glow-teal: 0 0 25px rgba(0, 217, 168, .4);--shadow-glow-aqua: 0 0 25px rgba(0, 221, 255, .4);--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}html{scroll-behavior:smooth;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}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;position:relative}body:before{content:"";position:fixed;top:-50%;left:-50%;width:200%;height:200%;background:radial-gradient(circle at 20% 50%,rgba(0,217,168,.08) 0%,transparent 50%),radial-gradient(circle at 80% 80%,rgba(0,180,255,.08) 0%,transparent 50%),radial-gradient(circle at 40% 20%,rgba(0,255,136,.06) 0%,transparent 50%),radial-gradient(circle at 60% 70%,rgba(0,255,255,.05) 0%,transparent 50%);animation:gradientShift 20s ease infinite;pointer-events:none;z-index:-2}@keyframes gradientShift{0%,to{transform:translate(0) rotate(0)}33%{transform:translate(5%,5%) rotate(120deg)}66%{transform:translate(-5%,5%) rotate(240deg)}}body:after{content:"";position:fixed;top:0;left:0;width:100%;height:100%;background-image:linear-gradient(rgba(0,180,255,.06) 1px,transparent 1px),linear-gradient(90deg,rgba(0,217,168,.06) 1px,transparent 1px);background-size:60px 60px;animation:gridMove 30s linear infinite;pointer-events:none;z-index:-1}@keyframes gridMove{0%{transform:translate(0)}to{transform:translate(60px,60px)}}#root{position:relative}#root:before,#root:after{content:"";position:fixed;border-radius:50%;pointer-events:none;z-index:-2;filter:blur(80px);opacity:.35}#root:before{width:300px;height:300px;background:radial-gradient(circle,rgba(0,217,168,.3) 0%,transparent 70%);top:10%;left:5%;animation:floatOrb1 25s ease-in-out infinite}#root:after{width:350px;height:350px;background:radial-gradient(circle,rgba(0,180,255,.25) 0%,transparent 70%);bottom:15%;right:8%;animation:floatOrb2 30s ease-in-out infinite}@keyframes floatOrb1{0%,to{transform:translate(0) scale(1)}33%{transform:translate(50px,80px) scale(1.1)}66%{transform:translate(-30px,40px) scale(.95)}}@keyframes floatOrb2{0%,to{transform:translate(0) scale(1)}33%{transform:translate(-60px,-50px) scale(1.15)}66%{transform:translate(40px,-80px) scale(.9)}}#root{min-height:100vh}h1,h2,h3,h4,h5,h6{font-family:var(--font-display);font-weight:700;line-height:1.2;margin:0;color:var(--text-primary);text-transform:uppercase}h1{font-size:2.5rem;letter-spacing:.1em;margin-bottom:var(--spacing-lg);background:linear-gradient(135deg,var(--accent-cyan) 0%,var(--accent-blue) 50%,var(--accent-teal) 100%);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}h2{font-size:1.5rem;letter-spacing:.08em;margin-bottom:var(--spacing-md);color:var(--accent-cyan);border-bottom:2px solid var(--border-primary);padding-bottom:var(--spacing-sm)}h3{font-size:1.2rem;letter-spacing:.05em;margin-bottom:var(--spacing-sm);color:var(--text-primary)}h4{font-size:1rem;letter-spacing:.05em;margin-bottom:var(--spacing-sm);color:var(--text-secondary)}.glitch{position:relative;display:inline-block;transition:all var(--transition-fast)}.glitch:hover{text-shadow:2px 0 0 var(--accent-cyan),-2px 0 0 var(--accent-teal),0 2px 0 var(--accent-neon-blue);animation:glitchPulse .3s ease-in-out}@keyframes glitchPulse{0%,to{transform:translate(0)}25%{transform:translate(-2px,2px)}50%{transform:translate(2px,-2px)}75%{transform:translate(-1px,-1px)}}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;position:relative;overflow:hidden}.btn:before{content:"";position:absolute;top:0;left:-100%;width:100%;height:100%;background:linear-gradient(90deg,transparent,rgba(0,180,255,.2),transparent);transition:left var(--transition-slow)}.btn:hover:before{left:100%}.btn:hover{background:var(--bg-hover);border-color:var(--accent-blue);box-shadow:var(--shadow-glow);transform:translateY(-1px)}.btn-primary{background:linear-gradient(135deg,var(--accent-blue) 0%,var(--accent-teal) 100%);border-color:transparent;color:#fff;font-weight:600}.btn-primary:hover{background:linear-gradient(135deg,var(--accent-cyan) 0%,var(--accent-green) 100%);box-shadow:var(--shadow-glow-cyan),var(--shadow-glow-teal);transform:translateY(-2px)}.btn-success{background:linear-gradient(135deg,var(--accent-green) 0%,var(--accent-cyan) 100%);border-color:transparent;color:#000;font-weight:600}.btn-success:hover{box-shadow:var(--shadow-glow-green),var(--shadow-glow-cyan);transform:translateY(-2px)}.btn-danger{background:linear-gradient(135deg,var(--accent-red) 0%,var(--accent-yellow) 100%);border-color:transparent;color:#fff;font-weight:600}.btn-danger:hover{transform:translateY(-2px);filter:brightness(1.1)}.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);position:relative;overflow:hidden}.card *{position:relative;z-index:1}.card a{pointer-events:auto;cursor:pointer;z-index:2}.card:before{content:"";position:absolute;inset:0;border-radius:var(--radius-md);padding:1px;background:linear-gradient(135deg,var(--accent-blue),var(--accent-teal),var(--accent-cyan));-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-normal);z-index:0}.card:hover:before{opacity:1}.card:hover{border-color:transparent;box-shadow:var(--shadow-glow),0 8px 32px #0000004d;transform:translateY(-4px)}.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);background:var(--bg-tertiary);box-shadow:0 0 15px #00b4ff40,0 0 5px #00d9a833}.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:3rem;height:3rem;border:3px solid rgba(255,255,255,.1);border-top-color:var(--accent-blue);border-right-color:var(--accent-teal);border-bottom-color:var(--accent-cyan);border-radius:50%;animation:spin 1s ease-in-out infinite;box-shadow:0 0 20px #00b4ff4d,0 0 40px #00d9a833}@keyframes spin{to{transform:rotate(360deg)}}.fade-in{animation:fadeIn .5s ease-in}.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:12px;height:12px}::-webkit-scrollbar-track{background:var(--bg-secondary);border-radius:6px}::-webkit-scrollbar-thumb{background:linear-gradient(180deg,var(--accent-blue) 0%,var(--accent-teal) 100%);border-radius:6px;border:2px solid var(--bg-secondary);transition:all var(--transition-fast)}::-webkit-scrollbar-thumb:hover{background:linear-gradient(180deg,var(--accent-cyan) 0%,var(--accent-green) 100%);box-shadow:0 0 10px #00ff8880}::-webkit-scrollbar-corner{background:var(--bg-secondary)}button:focus,button:focus-visible{outline:4px auto -webkit-focus-ring-color}:root{--accent-blue: #00b4ff;--accent-cyan: #00ffff;--accent-green: #00ff88;--accent-teal: #00d9a8;--accent-red: #ff3366;--bg-primary: #0a0e14;--bg-secondary: #0f141c;--bg-tertiary: #141b26;--bg-card: rgba(15, 20, 28, .9);--bg-hover: rgba(0, 180, 255, .15);--text-primary: #e8e8ea;--text-secondary: #b8b8bb;--text-muted: #888890;--border-primary: rgba(0, 180, 255, .4);--border-secondary: rgba(255, 255, 255, .15);--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;--spacing-3xl: 4rem;--radius-sm: .25rem;--radius-md: .5rem;--radius-lg: 1rem;--transition-fast: .15s ease;--transition-normal: .3s ease;--transition-slow: .5s ease}#root .card,#root .challenge-card,#root .writeup-card,#root .team-card,#root .stat-card,#root .event-card,#root .resource-card,#root .auth-card,#root .member-card,#root .request-card,#root .pending-request-card,#root .solve-item,#root .leaderboard-table-container,#root .challenge-card-skeleton{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);position:relative}#root .leaderboard-table-container{padding:0;overflow:hidden}#root .btn,#root button.btn,#root a.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;text-decoration:none;display:inline-flex;align-items:center;justify-content:center;gap:var(--spacing-sm)}#root .btn:hover,#root button.btn:hover,#root a.btn:hover{background:var(--bg-hover);border-color:var(--accent-blue);box-shadow:var(--shadow-glow);transform:translateY(-1px)}#root .btn-primary,#root button.btn-primary,#root a.btn-primary{background:linear-gradient(135deg,var(--accent-blue) 0%,var(--accent-teal) 100%);border-color:transparent;color:#fff;font-weight:600}#root .btn-primary:hover,#root button.btn-primary:hover,#root a.btn-primary:hover{background:linear-gradient(135deg,var(--accent-cyan) 0%,var(--accent-green) 100%);box-shadow:var(--shadow-glow-cyan),var(--shadow-glow-teal);transform:translateY(-2px)}#root .btn-secondary,#root button.btn-secondary,#root a.btn-secondary{background:var(--bg-secondary);border-color:var(--border-secondary);color:var(--text-primary)}#root .btn-outline,#root button.btn-outline,#root a.btn-outline{background:transparent;border:1px solid var(--border-secondary);color:var(--text-secondary)}#root .btn-outline:hover,#root button.btn-outline:hover,#root a.btn-outline:hover{border-color:var(--accent-blue);color:var(--text-primary);background:var(--bg-hover)}#root .btn-danger,#root button.btn-danger,#root a.btn-danger{background:linear-gradient(135deg,var(--accent-red) 0%,var(--accent-yellow) 100%);border-color:transparent;color:#fff;font-weight:600}#root .btn-success,#root button.btn-success,#root a.btn-success{background:linear-gradient(135deg,var(--accent-green) 0%,var(--accent-cyan) 100%);border-color:transparent;color:#000;font-weight:600}#root .btn-ghost,#root button.btn-ghost,#root a.btn-ghost{background:transparent;border:1px solid var(--border-primary)}#root .leaderboard-tabs{display:flex;gap:var(--spacing-sm);margin-bottom:var(--spacing-xl);justify-content:center;flex-wrap:wrap}#root .leaderboard-tabs button,#root .leaderboard-tabs .tab-btn{padding:var(--spacing-sm) var(--spacing-lg);background:var(--bg-secondary);border:1px solid var(--border-secondary);border-radius:var(--radius-md);color:var(--text-secondary);font-family:var(--font-display);font-size:1rem;font-weight:600;cursor:pointer;transition:all var(--transition-fast);text-transform:uppercase;letter-spacing:.5px;display:flex;align-items:center;gap:var(--spacing-xs)}#root .leaderboard-tabs button:hover,#root .leaderboard-tabs .tab-btn:hover{background:var(--bg-tertiary);border-color:var(--accent-cyan);color:var(--text-primary);transform:translateY(-1px)}#root .leaderboard-tabs button.active,#root .leaderboard-tabs .tab-btn.active{background:linear-gradient(135deg,var(--accent-cyan),var(--accent-blue));border-color:var(--accent-cyan);color:#0a0e14;font-weight:700;box-shadow:0 4px 12px #00b4ff4d}#root .category-filter{display:flex;flex-direction:column;gap:.5rem}#root .category-filter .category-btn{display:flex;align-items:center;gap:.5rem;padding:var(--spacing-sm) var(--spacing-md);background:var(--bg-tertiary);border:1px solid var(--border-secondary);border-radius:var(--radius-sm);color:var(--text-secondary);font-family:var(--font-mono);font-size:.85rem;font-weight:500;cursor:pointer;transition:all var(--transition-fast);text-transform:uppercase;letter-spacing:.05em;position:relative;overflow:hidden;width:100%;text-align:left;justify-content:flex-start}#root .category-filter .category-btn:hover{border-color:var(--accent-blue);color:var(--text-primary);transform:translateY(-2px);box-shadow:0 4px 12px #00c2ff4d}#root .category-filter .category-btn.active{background:linear-gradient(135deg,var(--accent-blue) 0%,var(--accent-green) 100%);border-color:var(--accent-blue);color:#000;font-weight:600;box-shadow:0 0 20px #00c2ff80,0 0 40px #00c2ff4d,inset 0 0 20px #fff3}#root .filter-buttons-vertical{display:flex;flex-direction:column;gap:.5rem}#root .challenges-sidebar .filter-btn,#root .filter-buttons .filter-btn,#root .filter-buttons-vertical .filter-btn{display:flex;align-items:center;padding:.4rem 1rem;background:var(--bg-secondary);border:1px solid var(--border-secondary);border-radius:var(--radius-sm);color:var(--text-secondary);font-family:var(--font-mono);font-size:.85rem;cursor:pointer;transition:all var(--transition-fast);text-transform:uppercase;letter-spacing:.05em}#root .filter-buttons-vertical .filter-btn{width:100%;text-align:left;padding:var(--spacing-sm) var(--spacing-md);justify-content:flex-start;background:var(--bg-tertiary)}#root .challenges-sidebar .filter-btn:hover,#root .filter-buttons .filter-btn:hover,#root .filter-buttons-vertical .filter-btn:hover{border-color:var(--accent-blue);color:var(--text-primary)}#root .challenges-sidebar .filter-btn.active,#root .filter-buttons .filter-btn.active,#root .filter-buttons-vertical .filter-btn.active{background:var(--accent-blue);border-color:var(--accent-blue);color:#000;font-weight:600}#root .writeups-sidebar .sidebar-title{font-family:var(--font-display);font-size:.95rem;font-weight:700;color:var(--accent-cyan);text-transform:uppercase;letter-spacing:.15em;margin-bottom:var(--spacing-md);padding-bottom:var(--spacing-sm);border-bottom:2px solid var(--accent-blue)}#root .writeups-sidebar .search-input,#root .writeups-sidebar .filter-select{width:100%;padding:var(--spacing-md);background:var(--bg-primary);border:1px solid var(--border-secondary);border-radius:var(--radius-md);color:var(--text-primary);font-family:var(--font-mono);font-size:.95rem;transition:all var(--transition-fast)}#root .writeups-sidebar .search-input:focus,#root .writeups-sidebar .filter-select:focus{outline:none;border-color:var(--accent-blue);box-shadow:0 0 0 3px #00b4ff1a;background:var(--bg-secondary)}#root .teams-sidebar .sidebar-title,#root .challenges-sidebar .sidebar-title{font-family:var(--font-display);font-size:.9rem;font-weight:700;color:var(--accent-cyan);text-transform:uppercase;letter-spacing:.1em;margin-bottom:var(--spacing-md);padding-bottom:var(--spacing-sm);border-bottom:2px solid var(--border-primary)}#root .challenges-sidebar .search-bar,#root .teams-sidebar .search-bar{display:flex;align-items:center;gap:var(--spacing-sm);padding:var(--spacing-sm) var(--spacing-md);background:var(--bg-tertiary);border:1px solid var(--border-secondary);border-radius:var(--radius-md);transition:border-color var(--transition-fast)}#root .challenges-sidebar .search-input,#root .teams-sidebar .search-input{flex:1;background:transparent;border:none;color:var(--text-primary);font-family:var(--font-mono);font-size:1rem;outline:none}#root .challenges-sidebar .search-input::placeholder,#root .teams-sidebar .search-input::placeholder{color:var(--text-muted)}.layout{min-height:100vh;display:flex;flex-direction:column}.layout-header{position:sticky;top:0;z-index:100;background:linear-gradient(135deg,#0f0f14fa,#14141cfa);border-bottom:2px solid var(--border-primary);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);box-shadow:0 4px 20px #0009,0 0 40px #00b4ff1a}.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:1.2rem}.logout-text,.login-text{display:none}.login-btn svg{font-size:1.2rem}.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;position:relative;z-index:1}.layout-footer{background:linear-gradient(135deg,#0f0f14fa,#14141cfa);border-top:2px solid var(--border-primary);padding:var(--spacing-lg);margin-top:var(--spacing-2xl);box-shadow:0 -4px 20px #0006}.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:linear-gradient(135deg,#0f0f14fa,#14141cfa);border-bottom:2px 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{display:none}.mobile-menu-toggle{display:flex;align-items:center;justify-content:center}}.toast-container{position:fixed;top:80px;right:var(--spacing-lg);z-index:1000;display:flex;flex-direction:column;gap:var(--spacing-md);pointer-events:none}.toast{display:flex;align-items:flex-start;gap:var(--spacing-md);padding:var(--spacing-md) var(--spacing-lg);background:var(--bg-card);border:1px solid var(--border-secondary);border-radius:var(--radius-md);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);box-shadow:0 8px 32px #0006;min-width:320px;max-width:420px;pointer-events:all;animation:slideInRight .3s ease-out}@keyframes slideInRight{0%{transform:translate(400px);opacity:0}to{transform:translate(0);opacity:1}}.toast-success{border-left:4px solid var(--accent-green)}.toast-error{border-left:4px solid var(--accent-red)}.toast-info{border-left:4px solid var(--accent-blue)}.toast-icon{font-size:1.5rem;flex-shrink:0;margin-top:2px}.toast-success .toast-icon{color:var(--accent-green)}.toast-error .toast-icon{color:var(--accent-red)}.toast-info .toast-icon{color:var(--accent-blue)}.toast-content{flex:1}.toast-title{font-weight:600;color:var(--text-primary);margin-bottom:4px;font-size:.95rem}.toast-message{color:var(--text-secondary);font-size:.85rem;line-height:1.4}.toast-close{background:none;border:none;color:var(--text-secondary);cursor:pointer;padding:0;width:20px;height:20px;display:flex;align-items:center;justify-content:center;transition:color var(--transition-fast);flex-shrink:0}.toast-close:hover{color:var(--text-primary)}@media(max-width:768px){.toast-container{right:var(--spacing-md);left:var(--spacing-md)}.toast{min-width:unset;max-width:unset}}.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-warning{display:flex;align-items:center;gap:var(--spacing-sm);padding:var(--spacing-md);background:#ff98001a;border:1px solid var(--warning-color, #ff9800);border-radius:var(--radius-md);color:var(--warning-color, #ff9800);margin-bottom:var(--spacing-lg);font-size:.9rem;animation:pulse 2s ease-in-out infinite}.auth-warning svg{flex-shrink:0;font-size:1.2rem}.auth-success{display:flex;align-items:center;gap:var(--spacing-sm);padding:var(--spacing-md);background:#00ff881a;border:1px solid var(--accent-green);border-radius:var(--radius-md);color:var(--accent-green);margin-bottom:var(--spacing-lg);font-size:.9rem;animation:fadeIn .5s ease}.auth-success svg{flex-shrink:0;font-size:1.2rem}.field-error{display:flex;align-items:center;gap:var(--spacing-xs);color:var(--error-color, #f44336);font-size:.85rem;margin-top:calc(var(--spacing-xs) * -1)}.field-success{display:flex;align-items:center;gap:var(--spacing-xs);color:var(--success-color, #4caf50);font-size:.85rem;margin-top:calc(var(--spacing-xs) * -1)}.input-error{border-color:var(--error-color, #f44336)!important}.input-error:focus{box-shadow:0 0 0 3px #f443361a!important}.input-hint{display:flex;align-items:center;gap:var(--spacing-xs);color:var(--text-tertiary);font-size:.8rem;margin-top:calc(var(--spacing-xs) * -1)}.input-hint svg{font-size:.9rem;color:var(--accent-cyan)}.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 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0}.verify-icon{display:flex;align-items:center;justify-content:center;margin:0 auto var(--spacing-xl);width:120px;height:120px;border-radius:50%;animation:fadeIn .5s ease}.verify-icon.verifying{background:#00ffff1a;color:var(--accent-cyan)}.verify-icon.success{background:#00ff881a;color:var(--accent-green);animation:successPulse .6s ease}.verify-icon.error{background:#ff33661a;color:var(--accent-red)}.verify-icon.info{background:#3399ff1a;color:var(--accent-blue)}.spinner-icon{animation:spin 1s linear infinite}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}@keyframes successPulse{0%,to{transform:scale(1)}50%{transform:scale(1.1)}}.verify-content h2{color:var(--accent-cyan);margin-bottom:var(--spacing-md);font-size:1.8rem}.verify-message{color:var(--text-secondary);font-size:1.1rem;margin-bottom:var(--spacing-lg);line-height:1.6}.verify-message.error-text{color:var(--accent-red)}.verify-countdown{color:var(--accent-cyan);font-family:var(--font-mono);font-size:.95rem;margin:var(--spacing-lg) 0;animation:pulse 2s ease-in-out infinite}.verify-actions{display:flex;gap:var(--spacing-md);justify-content:center;margin-top:var(--spacing-xl);flex-wrap:wrap}.verify-actions .btn{min-width:150px}.verify-info{background:#3399ff0d;border:1px solid var(--border-secondary);border-radius:var(--radius-md);padding:var(--spacing-lg);margin:var(--spacing-xl) 0;text-align:left}.verify-info p{color:var(--text-primary);font-weight:600;margin-bottom:var(--spacing-md)}.verify-info ul{list-style:none;padding:0;margin:0}.verify-info li{color:var(--text-secondary);padding:var(--spacing-sm) 0;padding-left:var(--spacing-lg);position:relative}.verify-info li:before{content:"›";position:absolute;left:0;color:var(--accent-cyan);font-weight:700;font-size:1.2rem}@media(max-width:768px){.auth-card{padding:var(--spacing-xl)}.auth-header h1{font-size:2rem}.verify-icon{width:100px;height:100px}.verify-icon svg{width:48px;height:48px}.verify-content h2{font-size:1.5rem}.verify-actions{flex-direction:column}.verify-actions .btn{width:100%}}.password-strength-container{margin-top:var(--spacing-sm)}.strength-bar-wrapper{display:flex;flex-direction:column;gap:var(--spacing-xs)}.strength-bar-label{display:flex;justify-content:space-between;align-items:center;font-size:.875rem;color:var(--text-secondary)}.strength-label{font-weight:600;font-family:var(--font-mono)}.strength-bar-track{height:8px;background:var(--bg-secondary);border-radius:4px;overflow:hidden;position:relative}.strength-bar-fill{height:100%;transition:width .3s ease,background-color .3s ease;border-radius:4px}.strength-score{text-align:right;font-size:.75rem;color:var(--text-tertiary);font-family:var(--font-mono)}.password-requirements{margin-top:var(--spacing-md);padding:var(--spacing-sm);background:var(--bg-secondary);border-radius:var(--radius-sm);border:1px solid var(--border-primary)}.requirements-section{margin-bottom:var(--spacing-sm)}.requirements-section:last-child{margin-bottom:0}.requirements-title{display:block;font-size:.875rem;margin-bottom:var(--spacing-xs);font-family:var(--font-mono)}.requirements-title.error{color:var(--error-color, #f44336)}.requirements-title.suggestion{color:var(--warning-color, #ff9800)}.requirements-list{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:var(--spacing-xs)}.requirement-item{display:flex;align-items:flex-start;gap:var(--spacing-xs);font-size:.8rem;line-height:1.4}.requirement-item.error{color:var(--error-color, #f44336)}.requirement-item.suggestion{color:var(--warning-color, #ff9800)}.requirement-item.success{color:var(--success-color, #4caf50)}.requirement-icon{flex-shrink:0;font-size:1rem}@media(max-width:768px){.password-requirements,.requirement-item{font-size:.75rem}}.difficulty-meter{display:flex;flex-direction:column;gap:var(--spacing-xs)}.difficulty-stars{display:flex;gap:4px}.difficulty-star{font-size:1rem;color:var(--border-secondary);transition:all var(--transition-fast)}.difficulty-star.filled{color:var(--accent-cyan);fill:var(--accent-cyan);filter:drop-shadow(0 0 4px var(--accent-cyan));animation:starPulse .3s ease-out}@keyframes starPulse{0%,to{transform:scale(1)}50%{transform:scale(1.2)}}.difficulty-bar{width:100%;height:4px;background:var(--bg-tertiary);border-radius:2px;overflow:hidden;position:relative}.difficulty-bar-fill{height:100%;transition:width .5s ease-out;position:relative;border-radius:2px}.difficulty-bar-fill:after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,transparent,rgba(255,255,255,.3),transparent);animation:shimmer 2s infinite}@keyframes shimmer{0%{transform:translate(-100%)}to{transform:translate(100%)}}.difficulty-bar-fill.difficulty-beginner{background:linear-gradient(90deg,var(--difficulty-beginner),var(--accent-cyan))}.difficulty-bar-fill.difficulty-intermediate{background:linear-gradient(90deg,var(--difficulty-intermediate),var(--accent-yellow))}.difficulty-bar-fill.difficulty-advanced{background:linear-gradient(90deg,var(--difficulty-advanced),var(--accent-red))}.difficulty-bar-fill.difficulty-guru{background:linear-gradient(90deg,var(--accent-blue),var(--accent-teal))}.category-filter{display:flex;flex-direction:column;gap:.5rem;animation:fadeInUp .5s ease-out}@keyframes fadeInUp{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.category-filter .category-btn{display:flex!important;align-items:center!important;gap:.5rem!important;padding:var(--spacing-sm) var(--spacing-md)!important;background:var(--bg-tertiary)!important;border:1px solid var(--border-secondary)!important;border-radius:var(--radius-sm)!important;color:var(--text-secondary)!important;font-family:var(--font-mono)!important;font-size:.85rem!important;font-weight:500!important;cursor:pointer!important;transition:all var(--transition-fast)!important;text-transform:uppercase!important;letter-spacing:.05em!important;position:relative;overflow:hidden;width:100%!important;text-align:left!important;justify-content:flex-start!important}.category-filter .category-btn:before{content:"";position:absolute;top:0;left:-100%;width:100%;height:100%;background:linear-gradient(90deg,transparent,rgba(0,180,255,.2),transparent);transition:left var(--transition-slow)}.category-filter .category-btn:hover:before{left:100%}.category-filter .category-btn:hover{border-color:var(--accent-blue)!important;color:var(--text-primary)!important;transform:translateY(-2px)!important;box-shadow:0 4px 12px #00c2ff4d!important}.category-filter .category-btn.active{background:linear-gradient(135deg,var(--accent-blue) 0%,var(--accent-green) 100%)!important;border-color:var(--accent-blue)!important;color:#000!important;font-weight:600!important;box-shadow:0 0 20px #00c2ff80,0 0 40px #00c2ff4d,inset 0 0 20px #fff3!important;animation:pulse 2s ease-in-out infinite}@keyframes pulse{0%,to{box-shadow:0 0 20px #00c2ff80,0 0 40px #00c2ff4d,inset 0 0 20px #fff3}50%{box-shadow:0 0 25px #00c2ffb3,0 0 50px #00c2ff66,inset 0 0 25px #ffffff4d}}.category-filter .category-btn.active:hover{transform:translateY(-2px) scale(1.05)}.category-filter .category-icon{font-size:1.2rem;filter:drop-shadow(0 0 3px currentColor);transition:transform .3s ease}.category-filter .category-btn:hover .category-icon{transform:scale(1.2) rotate(5deg)}.category-filter .category-label{font-weight:500}@media(max-width:768px){.category-filter{overflow-x:auto;flex-wrap:nowrap;padding-bottom:.5rem;scroll-snap-type:x mandatory;-webkit-overflow-scrolling:touch;scrollbar-width:thin;scrollbar-color:var(--accent-blue) var(--bg-secondary)}.category-filter::-webkit-scrollbar{height:4px}.category-filter::-webkit-scrollbar-track{background:var(--bg-secondary)}.category-filter::-webkit-scrollbar-thumb{background:var(--accent-blue);border-radius:2px}.category-btn{flex-shrink:0;scroll-snap-align:start}}.challenge-card-skeleton{background:var(--bg-card);border:1px solid var(--border-secondary);border-radius:var(--radius-md);padding:var(--spacing-lg);display:flex;flex-direction:column;gap:var(--spacing-md);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.skeleton{background:linear-gradient(90deg,#ffffff08,#ffffff14,#ffffff08);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}}.skeleton-header{display:flex;gap:var(--spacing-sm)}.skeleton-badge{width:80px;height:24px}.skeleton-title{height:28px;width:70%}.skeleton-text{height:16px;width:100%}.skeleton-text.short{width:60%}.skeleton-footer{display:flex;gap:var(--spacing-md);margin-top:var(--spacing-sm)}.skeleton-stat{width:60px;height:20px}.empty-state{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:var(--spacing-2xl) var(--spacing-lg);text-align:center;min-height:400px;animation:fadeIn .5s ease-out}@keyframes fadeIn{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}.empty-state-icon{width:200px;height:200px;color:var(--accent-cyan);margin-bottom:var(--spacing-xl);animation:float 3s ease-in-out infinite}@keyframes float{0%,to{transform:translateY(0)}50%{transform:translateY(-10px)}}.empty-state-icon svg{width:100%;height:100%;filter:drop-shadow(0 0 20px 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var(--accent-cyan);border-radius:20px;font-size:.85rem;color:var(--accent-cyan);font-family:var(--font-mono);animation:popIn .2s ease-out;box-shadow:0 0 10px #0ff3}@keyframes popIn{0%{transform:scale(.8);opacity:0}to{transform:scale(1);opacity:1}}.filter-pill-label{font-weight:600}.filter-pill-remove{display:flex;align-items:center;justify-content:center;padding:0;background:none;border:none;color:var(--accent-cyan);cursor:pointer;font-size:1rem;transition:all var(--transition-fast);width:18px;height:18px}.filter-pill-remove:hover{color:var(--accent-red);transform:rotate(90deg)}.filter-pills-clear{padding:.4rem 1rem;background:#ff33661a;border:1px solid var(--accent-red);border-radius:20px;color:var(--accent-red);font-size:.85rem;font-family:var(--font-mono);cursor:pointer;transition:all var(--transition-fast);font-weight:600}.filter-pills-clear:hover{background:var(--accent-red);color:#000;box-shadow:0 0 10px #ff336680;transform:scale(1.05)}.flag-input-form{display:flex;flex-direction:column;gap:var(--spacing-sm)}.flag-input-wrapper{display:flex;align-items:center;gap:var(--spacing-sm);padding:var(--spacing-md);background:#05050af2;border:2px solid var(--accent-cyan);border-radius:var(--radius-md);transition:all var(--transition-fast);box-shadow:0 0 20px #00ffff4d,inset 0 0 30px #00ffff0d;position:relative;z-index:10}.flag-input-wrapper:focus-within{border-color:var(--accent-cyan);box-shadow:0 0 30px #00ffff80,0 0 60px #00b4ff4d,inset 0 0 30px #00ffff1a;transform:translateY(-1px)}.terminal-prompt{font-size:1.2rem;flex-shrink:0;text-shadow:0 0 10px var(--accent-cyan);animation:pulse 2s ease-in-out infinite}.flag-input{flex:1;background:transparent;border:none;color:var(--accent-cyan);font-family:var(--font-mono);font-size:1.1rem;padding:0;position:relative;z-index:10;text-shadow:0 0 5px rgba(0,255,255,.5)}.flag-input.invalid-format{color:var(--accent-red)}.flag-input.valid-format{color:var(--accent-green)}.flag-input:focus{outline:none;box-shadow:none}.flag-input::placeholder{color:var(--text-secondary);opacity:.6}.format-hint{padding:var(--spacing-sm) var(--spacing-md);background:#ff33661a;border:1px solid var(--accent-red);border-radius:var(--radius-sm);color:var(--accent-red);font-size:.85rem;display:flex;align-items:center;gap:var(--spacing-xs)}.format-valid{padding:var(--spacing-sm) var(--spacing-md);background:#00ff881a;border:1px solid var(--accent-green);border-radius:var(--radius-sm);color:var(--accent-green);font-size:.85rem;display:flex;align-items:center;gap:var(--spacing-xs)}.flag-submit-btn{display:flex;align-items:center;justify-content:center;width:40px;height:40px;background:linear-gradient(135deg,var(--accent-cyan),var(--accent-green));border:none;border-radius:var(--radius-sm);color:#000;font-size:1.2rem;cursor:pointer;transition:all var(--transition-fast);flex-shrink:0;box-shadow:0 0 15px #00ffff80;position:relative;z-index:10}.flag-submit-btn:hover:not(:disabled){background:var(--accent-cyan);box-shadow:0 0 15px #00ffff80;transform:scale(1.05)}.flag-submit-btn:disabled{opacity:.5;cursor:not-allowed}.flag-submit-btn:active:not(:disabled){transform:scale(.95)}@media(max-width:768px){.flag-input-wrapper{padding:var(--spacing-sm)}.flag-input{font-size:.9rem}.flag-submit-btn{width:36px;height:36px}}@keyframes pulse{0%,to{opacity:1}50%{opacity:.6}}.confetti-container{position:fixed;top:0;left:0;width:100%;height:100%;pointer-events:none;z-index:9999;overflow:hidden}.confetti-piece{position:absolute;width:10px;height:10px;top:-20px;animation:confettiFall 3s ease-out forwards;opacity:1}@keyframes confettiFall{0%{transform:translateY(0) rotate(0);opacity:1}to{transform:translateY(100vh) rotate(720deg);opacity:0}}.screen-flash{position:fixed;top:0;left:0;width:100%;height:100%;background:radial-gradient(circle,rgba(0,255,255,.4) 0%,transparent 70%);pointer-events:none;z-index:9998;animation:flash .5s ease-out}@keyframes flash{0%,to{opacity:0}50%{opacity:1}}.achievements-container{width:100%;padding:var(--spacing-lg);background:var(--bg-card);border:1px solid var(--border-secondary);border-radius:var(--radius-lg);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.achievements-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:var(--spacing-lg);padding-bottom:var(--spacing-md);border-bottom:1px solid var(--border-secondary)}.achievements-header h3{margin:0;font-family:var(--font-display);font-size:1.1rem;color:var(--accent-cyan);text-transform:uppercase}.achievements-stats{display:flex;align-items:center;gap:var(--spacing-sm);font-family:var(--font-mono);font-size:.85rem}.stat-unlocked{color:var(--accent-green);font-weight:600}.stat-separator{color:var(--text-muted)}.stat-total{color:var(--text-secondary)}.achievements-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:var(--spacing-md)}.achievement-badge{display:flex;gap:var(--spacing-md);padding:var(--spacing-md);background:var(--bg-tertiary);border:1px solid var(--border-secondary);border-radius:var(--radius-md);transition:all var(--transition-normal);position:relative;overflow:hidden}.achievement-badge:before{content:"";position:absolute;inset:0;background:linear-gradient(135deg,#00b4ff0d,#00d9a80d);opacity:0;transition:opacity 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var(--spacing-md);border-radius:var(--radius-sm);border:1px solid var(--accent-cyan)}.invite-code code{flex:1;font-family:var(--font-mono);font-size:1.1rem;color:var(--accent-cyan);font-weight:600;letter-spacing:1px}.copy-btn{background:none;border:none;color:var(--text-secondary);cursor:pointer;padding:var(--spacing-xs);display:flex;align-items:center;border-radius:var(--radius-sm);transition:all var(--transition-fast)}.copy-btn:hover{color:var(--accent-cyan);background:var(--bg-secondary)}@media(max-width:768px){.modal-content{padding:var(--spacing-lg);max-width:95%}.modal-header h2{font-size:1.25rem}}.join-requests-section{background:var(--bg-card);border:1px solid var(--border-secondary);border-radius:var(--radius-lg);padding:var(--spacing-xl);margin-bottom:var(--spacing-xl)}.join-requests-section h2{margin:0 0 var(--spacing-lg) 0;color:var(--accent-cyan);font-family:var(--font-display);font-size:1.5rem;display:flex;align-items:center;gap:var(--spacing-sm)}.requests-list{display:flex;flex-direction:column;gap:var(--spacing-md)}.request-card{background:var(--bg-secondary);border:1px solid var(--border-secondary);border-radius:var(--radius-md);padding:var(--spacing-md);display:flex;align-items:center;gap:var(--spacing-md);transition:all var(--transition-fast)}.request-card:hover{border-color:var(--accent-cyan);transform:translateY(-2px)}.request-user-avatar{width:50px;height:50px;border-radius:var(--radius-md);object-fit:cover;border:2px solid var(--accent-cyan);flex-shrink:0}.request-user-avatar-placeholder{width:50px;height:50px;border-radius:var(--radius-md);background:linear-gradient(135deg,var(--accent-cyan),var(--accent-blue));display:flex;align-items:center;justify-content:center;font-size:1.2rem;font-weight:700;color:var(--text-primary);border:2px solid var(--accent-cyan);flex-shrink:0}.request-info{flex:1;min-width:0}.request-user-name{font-weight:600;color:var(--text-primary);margin-bottom:var(--spacing-xs);font-size:1.05rem}.request-user-points{font-size:.85rem;color:var(--text-secondary);margin-bottom:var(--spacing-xs)}.request-message{font-size:.9rem;color:var(--text-secondary);font-style:italic;margin:var(--spacing-xs) 0;padding:var(--spacing-xs) var(--spacing-sm);background:var(--bg-tertiary);border-left:3px solid var(--accent-cyan);border-radius:var(--radius-sm)}.request-time{font-size:.75rem;color:var(--text-muted)}.request-actions{display:flex;gap:var(--spacing-xs);flex-shrink:0}.request-btn{padding:var(--spacing-xs) var(--spacing-md);border:none;border-radius:var(--radius-sm);font-size:.9rem;font-weight:600;cursor:pointer;transition:all var(--transition-fast);display:flex;align-items:center;gap:var(--spacing-xs)}.request-btn-approve{background:var(--accent-green);color:var(--bg-primary)}.request-btn-approve:hover{background:var(--accent-cyan);transform:translateY(-2px);box-shadow:0 4px 12px #00ff884d}.request-btn-reject{background:var(--bg-tertiary);color:var(--text-secondary);border:1px solid var(--border-secondary)}.request-btn-reject:hover{background:#f443361a;color:var(--color-danger);border-color:var(--color-danger)}.request-btn:disabled{opacity:.5;cursor:not-allowed}.no-requests{text-align:center;padding:var(--spacing-xl);color:var(--text-secondary)}.no-requests svg{font-size:3rem;color:var(--text-muted);margin-bottom:var(--spacing-md)}@media(max-width:768px){.request-card{flex-direction:column;align-items:flex-start}.request-actions{width:100%}.request-btn{flex:1}}.team-detail-container{padding:var(--spacing-xl) var(--spacing-lg);max-width:1200px;margin:0 auto}.team-detail-header{background:var(--bg-card);border:1px solid var(--border-secondary);border-radius:var(--radius-lg);padding:var(--spacing-xl);margin-bottom:var(--spacing-xl);position:relative}.team-detail-top{display:flex;align-items:flex-start;gap:var(--spacing-lg);margin-bottom:var(--spacing-lg)}.team-detail-avatar{width:100px;height:100px;border-radius:var(--radius-lg);object-fit:cover;border:3px solid var(--accent-cyan);flex-shrink:0}.team-detail-avatar-placeholder{width:100px;height:100px;border-radius:var(--radius-lg);background:linear-gradient(135deg,var(--accent-cyan),var(--accent-blue));display:flex;align-items:center;justify-content:center;font-size:2.5rem;font-weight:700;color:var(--text-primary);border:3px solid var(--accent-cyan);flex-shrink:0}.team-detail-info{flex:1}.team-detail-info h1{margin:0 0 var(--spacing-sm) 0;font-family:var(--font-display);font-size:2rem;color:var(--text-primary)}.team-captain-badge{display:inline-flex;align-items:center;gap:var(--spacing-xs);background:linear-gradient(135deg,var(--accent-yellow),var(--accent-orange));color:var(--bg-primary);padding:var(--spacing-xs) var(--spacing-sm);border-radius:var(--radius-sm);font-size:.85rem;font-weight:600;margin-bottom:var(--spacing-md)}.team-description{color:var(--text-secondary);line-height:1.6;margin-bottom:var(--spacing-md)}.team-detail-actions{display:flex;gap:var(--spacing-sm);flex-wrap:wrap}.team-detail-stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:var(--spacing-md);padding:var(--spacing-lg) 0;border-top:1px solid var(--border-secondary);border-bottom:1px solid var(--border-secondary);margin:var(--spacing-lg) 0}.team-stat-box{text-align:center}.team-stat-box-value{font-size:2rem;font-weight:700;color:var(--accent-cyan);font-family:var(--font-mono);margin-bottom:var(--spacing-xs)}.team-stat-box-label{color:var(--text-secondary);font-size:.9rem;text-transform:uppercase;letter-spacing:.5px}.team-members-section{background:var(--bg-card);border:1px solid var(--border-secondary);border-radius:var(--radius-lg);padding:var(--spacing-xl);margin-bottom:var(--spacing-xl)}.team-members-section h2{margin:0 0 var(--spacing-lg) 0;color:var(--accent-cyan);font-family:var(--font-display);font-size:1.5rem}.members-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:var(--spacing-md)}.member-card{background:var(--bg-secondary);border:1px solid var(--border-secondary);border-radius:var(--radius-md);padding:var(--spacing-md);display:flex;align-items:center;gap:var(--spacing-md);transition:all var(--transition-fast);position:relative}.member-card:hover{border-color:var(--accent-cyan);transform:translateY(-2px)}.member-card.is-captain{border-color:var(--accent-yellow);background:linear-gradient(135deg,#ffc1071a,#ff98001a)}.member-avatar{width:50px;height:50px;border-radius:var(--radius-md);object-fit:cover;border:2px solid var(--accent-cyan)}.member-avatar-placeholder{width:50px;height:50px;border-radius:var(--radius-md);background:linear-gradient(135deg,var(--accent-cyan),var(--accent-blue));display:flex;align-items:center;justify-content:center;font-size:1.2rem;font-weight:700;color:var(--text-primary);border:2px solid var(--accent-cyan)}.member-info{flex:1}.member-name{font-weight:600;color:var(--text-primary);margin-bottom:var(--spacing-xs);display:flex;align-items:center;gap:var(--spacing-xs)}.member-name svg{color:var(--accent-yellow)}.member-stats{display:flex;gap:var(--spacing-md);font-size:.85rem;color:var(--text-secondary)}.member-actions{display:flex;gap:var(--spacing-xs)}.icon-btn{background:none;border:none;color:var(--text-secondary);cursor:pointer;padding:var(--spacing-xs);display:flex;align-items:center;justify-content:center;border-radius:var(--radius-sm);transition:all var(--transition-fast)}.icon-btn:hover{background:var(--bg-tertiary);color:var(--text-primary)}.icon-btn.danger:hover{background:#f443361a;color:var(--color-danger)}.team-solves-section{background:var(--bg-card);border:1px solid var(--border-secondary);border-radius:var(--radius-lg);padding:var(--spacing-xl);margin-bottom:var(--spacing-xl)}.team-solves-section h2{margin:0 0 var(--spacing-lg) 0;color:var(--accent-cyan);font-family:var(--font-display);font-size:1.5rem}.solves-list{display:flex;flex-direction:column;gap:var(--spacing-md)}.solve-item{background:var(--bg-secondary);border:1px solid var(--border-secondary);border-radius:var(--radius-md);padding:var(--spacing-md);display:flex;justify-content:space-between;align-items:flex-start;gap:var(--spacing-md);transition:all var(--transition-fast)}.solve-item:hover{border-color:var(--accent-cyan);transform:translate(4px)}.solve-info{flex:1}.solve-info h4{margin:0 0 var(--spacing-sm) 0;color:var(--text-primary);font-size:1.1rem;font-weight:600}.solve-meta{display:flex;align-items:center;gap:var(--spacing-sm);flex-wrap:wrap}.solve-category{background:#00b4ff26;color:var(--accent-cyan);padding:.25rem .5rem;border-radius:var(--radius-sm);font-size:.75rem;font-weight:600;font-family:var(--font-mono);letter-spacing:.5px}.solve-points{color:var(--text-secondary);font-size:.9rem;font-family:var(--font-mono)}.solve-date{color:var(--text-secondary);font-size:.85rem;font-family:var(--font-mono);white-space:nowrap}.first-blood{background:linear-gradient(135deg,#ffc10733,#ff980033);border:1px solid var(--accent-yellow);color:var(--accent-yellow);padding:.25rem .5rem;border-radius:var(--radius-sm);font-size:.75rem;font-weight:600;display:inline-flex;align-items:center;gap:.25rem}.empty-state{text-align:center;padding:var(--spacing-xl);color:var(--text-secondary)}.empty-state p{margin:0;font-size:1rem}@media(max-width:768px){.team-detail-container{padding:var(--spacing-lg) var(--spacing-md)}.team-detail-top{flex-direction:column}.team-detail-stats{grid-template-columns:repeat(2,1fr)}.members-grid{grid-template-columns:1fr}.solve-item{flex-direction:column}.solve-date{width:100%}}.error-page{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:var(--spacing-xl);position:relative;overflow:hidden}.error-content{max-width:600px;width:100%;text-align:center;animation:fadeInUp .6s ease-out;position:relative;z-index:1}@keyframes fadeInUp{0%{opacity:0;transform:translateY(30px)}to{opacity:1;transform:translateY(0)}}.error-glitch-wrapper{margin-bottom:var(--spacing-lg)}.error-code{font-size:8rem;font-family:var(--font-display);color:var(--accent-cyan);margin:0;line-height:1;text-shadow:2px 2px 0 var(--accent-teal),-2px -2px 0 var(--accent-blue);animation:glitchAnimation 2s infinite}.error-code.error-500{color:var(--accent-red);text-shadow:2px 2px 0 var(--accent-yellow),-2px -2px 0 var(--accent-red)}.glitch-large{position:relative;display:inline-block}.glitch-large:before,.glitch-large:after{content:attr(data-text);position:absolute;top:0;left:0;width:100%;height:100%;opacity:0}.glitch-large:hover:before{animation:glitch1 .3s infinite;color:var(--accent-cyan);z-index:-1}.glitch-large:hover:after{animation:glitch2 .3s infinite;color:var(--accent-blue);z-index:-2}@keyframes glitchAnimation{0%,90%,to{transform:translate(0)}92%{transform:translate(-2px,2px)}94%{transform:translate(2px,-2px)}96%{transform:translate(-2px,-2px)}98%{transform:translate(2px,2px)}}@keyframes glitch1{0%{transform:translate(0);opacity:1}20%{transform:translate(-3px,3px);opacity:.8}40%{transform:translate(-3px,-3px);opacity:.8}60%{transform:translate(3px,3px);opacity:.8}80%{transform:translate(3px,-3px);opacity:.8}to{transform:translate(0);opacity:1}}@keyframes glitch2{0%{transform:translate(0);opacity:1}20%{transform:translate(3px,-3px);opacity:.8}40%{transform:translate(3px,3px);opacity:.8}60%{transform:translate(-3px,-3px);opacity:.8}80%{transform:translate(-3px,3px);opacity:.8}to{transform:translate(0);opacity:1}}.error-icon{width:200px;height:200px;margin:0 auto var(--spacing-xl);color:var(--accent-cyan);animation:float 3s ease-in-out infinite}@keyframes float{0%,to{transform:translateY(0)}50%{transform:translateY(-20px)}}.error-icon svg{width:100%;height:100%;filter:drop-shadow(0 0 20px rgba(0,255,255,.3))}.error-title{font-size:2rem;color:var(--text-primary);margin-bottom:var(--spacing-md);font-family:var(--font-display)}.error-message{font-size:1.1rem;color:var(--text-secondary);margin-bottom:var(--spacing-xl);line-height:1.6}.error-actions{display:flex;gap:var(--spacing-md);justify-content:center;margin-bottom:var(--spacing-2xl);flex-wrap:wrap}.error-code-snippet{padding:var(--spacing-lg);background:var(--bg-secondary);border:1px solid var(--border-secondary);border-radius:var(--radius-md);text-align:left;max-width:400px;margin:0 auto;box-shadow:0 0 20px #00ffff1a;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.error-code-snippet code{font-family:var(--font-mono);font-size:.9rem;line-height:1.8;color:var(--text-secondary)}.code-keyword{color:var(--accent-cyan);font-weight:600}.code-function{color:var(--accent-green)}.code-string{color:var(--accent-yellow)}@media(max-width:768px){.error-code{font-size:5rem}.error-title{font-size:1.5rem}.error-message{font-size:1rem}.error-icon{width:150px;height:150px}.error-actions{flex-direction:column}.error-actions .btn{width:100%}}.matrix-rain{position:fixed;top:0;left:0;width:100%;height:100%;z-index:-3;pointer-events:none;opacity:.6}.modal-overlay{position:fixed;inset:0;background:#000000d9;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);display:flex;align-items:center;justify-content:center;z-index:1000;animation:fadeIn .2s ease}.shortcuts-modal{background:var(--bg-secondary);border:2px solid var(--border-primary);border-radius:var(--radius-lg);max-width:700px;width:90%;max-height:85vh;overflow:hidden;display:flex;flex-direction:column;box-shadow:0 0 40px #00b4ff4d,0 20px 60px #0009;animation:slideUp .3s ease}@keyframes slideUp{0%{transform:translateY(30px);opacity:0}to{transform:translateY(0);opacity:1}}.shortcuts-header{display:flex;align-items:center;justify-content:space-between;padding:var(--spacing-lg);border-bottom:1px solid var(--border-secondary);background:linear-gradient(135deg,#00b4ff0d,#00d9a80d)}.shortcuts-header h2{margin:0;font-family:var(--font-display);font-size:1.5rem;color:var(--accent-cyan);text-transform:uppercase}.shortcuts-close{background:transparent;border:1px solid var(--border-secondary);color:var(--text-secondary);width:36px;height:36px;border-radius:var(--radius-sm);display:flex;align-items:center;justify-content:center;cursor:pointer;transition:all var(--transition-fast);font-size:1.3rem}.shortcuts-close:hover{background:var(--bg-hover);border-color:var(--accent-red);color:var(--accent-red)}.shortcuts-content{flex:1;overflow-y:auto;padding:var(--spacing-lg)}.shortcuts-category{margin-bottom:var(--spacing-xl)}.shortcuts-category:last-child{margin-bottom:0}.shortcuts-category-title{font-family:var(--font-display);font-size:1rem;color:var(--accent-teal);text-transform:uppercase;margin-bottom:var(--spacing-md);padding-bottom:var(--spacing-sm);border-bottom:1px solid var(--border-secondary)}.shortcuts-list{display:flex;flex-direction:column;gap:var(--spacing-sm)}.shortcut-item{display:flex;align-items:center;justify-content:space-between;padding:var(--spacing-sm) var(--spacing-md);background:var(--bg-tertiary);border:1px solid var(--border-secondary);border-radius:var(--radius-sm);transition:all var(--transition-fast)}.shortcut-item:hover{border-color:var(--accent-blue);background:var(--bg-hover)}.shortcut-keys{display:flex;align-items:center;gap:var(--spacing-sm);min-width:120px}.shortcut-key{display:inline-flex;align-items:center;justify-content:center;min-width:32px;height:32px;padding:0 var(--spacing-sm);background:var(--bg-primary);border:2px solid var(--accent-blue);border-radius:var(--radius-sm);color:var(--accent-cyan);font-family:var(--font-mono);font-size:.85rem;font-weight:600;text-transform:uppercase;box-shadow:0 2px #00b4ff4d,inset 0 1px #ffffff1a}.shortcut-or{color:var(--text-muted);font-size:.8rem;font-style:italic}.shortcut-description{flex:1;color:var(--text-secondary);font-family:var(--font-mono);font-size:.9rem;text-align:right}.shortcuts-footer{padding:var(--spacing-md) var(--spacing-lg);border-top:1px solid var(--border-secondary);background:var(--bg-tertiary);text-align:center}.shortcuts-footer p{margin:0;color:var(--text-muted);font-size:.85rem;font-family:var(--font-mono)}.shortcuts-footer .shortcut-key{margin:0 var(--spacing-xs)}@media(max-width:768px){.shortcuts-modal{width:95%;max-height:90vh}.shortcut-item{flex-direction:column;align-items:flex-start;gap:var(--spacing-sm)}.shortcut-keys{min-width:auto}.shortcut-description{text-align:left}}#root{width:100%}