*{margin:0;padding:0;box-sizing:border-box}:root{--bg-primary: #0a0e27;--bg-secondary: #1a1f3a;--bg-tertiary: #252b48;--text-primary: #00ff41;--text-secondary: #00d936;--text-muted: #6b7280;--accent: #00ffff;--accent-dim: #007777;--danger: #ff0055;--warning: #ffaa00;--success: #00ff41;--border: #00ff4133}body{font-family:Courier New,monospace;background-color:var(--bg-primary);color:var(--text-primary);line-height:1.6;min-height:100vh}.app{min-height:100vh;display:flex;flex-direction:column}.navbar{background:var(--bg-secondary);border-bottom:2px solid var(--border);padding:1rem 2rem;display:flex;justify-content:space-between;align-items:center;box-shadow:0 0 20px #00ff411a}.navbar-brand{font-size:1.5rem;font-weight:700;color:var(--text-primary);text-decoration:none;text-shadow:0 0 10px var(--text-primary)}.navbar-brand:before{content:"> ";color:var(--accent)}.navbar-links{display:flex;gap:2rem;list-style:none;align-items:center}.navbar-links a{color:var(--text-secondary);text-decoration:none;transition:all .3s;padding:.5rem 1rem;border:1px solid transparent}.navbar-links a:hover,.navbar-links a.active{color:var(--accent);border:1px solid var(--border);text-shadow:0 0 8px var(--accent);background:var(--bg-tertiary)}.main-content{flex:1;padding:2rem;max-width:1400px;margin:0 auto;width:100%}.card{background:var(--bg-secondary);border:1px solid var(--border);border-radius:4px;padding:1.5rem;margin-bottom:1.5rem;box-shadow:0 0 15px #00ff411a;transition:all .3s}.card:hover{box-shadow:0 0 25px #00ff4133;border-color:var(--text-secondary)}.card-header{font-size:1.3rem;margin-bottom:1rem;color:var(--accent);border-bottom:1px solid var(--border);padding-bottom:.5rem}.form-group{margin-bottom:1.5rem}.form-label{display:block;margin-bottom:.5rem;color:var(--text-secondary);font-weight:700}.form-input{width:100%;padding:.75rem;background:var(--bg-tertiary);border:1px solid var(--border);color:var(--text-primary);font-family:Courier New,monospace;font-size:1rem;transition:all .3s}.form-input:focus{outline:none;border-color:var(--accent);box-shadow:0 0 10px #00ffff4d}.btn{padding:.75rem 1.5rem;font-family:Courier New,monospace;font-size:1rem;font-weight:700;border:2px solid;cursor:pointer;transition:all .3s;text-transform:uppercase;letter-spacing:1px}.btn-primary{background:transparent;color:var(--text-primary);border-color:var(--text-primary)}.btn-primary:hover{background:var(--text-primary);color:var(--bg-primary);box-shadow:0 0 15px var(--text-primary)}.btn-secondary{background:transparent;color:var(--accent);border-color:var(--accent)}.btn-secondary:hover{background:var(--accent);color:var(--bg-primary);box-shadow:0 0 15px var(--accent)}.btn-danger{background:transparent;color:var(--danger);border-color:var(--danger)}.btn-danger:hover{background:var(--danger);color:#fff;box-shadow:0 0 15px var(--danger)}.grid{display:grid;gap:1.5rem}.grid-2{grid-template-columns:repeat(auto-fit,minmax(300px,1fr))}.grid-3{grid-template-columns:repeat(auto-fit,minmax(250px,1fr))}.badge{display:inline-block;padding:.25rem .75rem;border-radius:3px;font-size:.85rem;font-weight:700;text-transform:uppercase}.badge-easy{background:#00ff4133;color:var(--success);border:1px solid var(--success)}.badge-medium{background:#fa03;color:var(--warning);border:1px solid var(--warning)}.badge-hard{background:#f053;color:var(--danger);border:1px solid var(--danger)}.progress-bar{width:100%;height:20px;background:var(--bg-tertiary);border:1px solid var(--border);border-radius:3px;overflow:hidden}.progress-fill{height:100%;background:linear-gradient(90deg,var(--text-secondary),var(--text-primary));transition:width .5s;box-shadow:0 0 10px var(--text-primary)}.table{width:100%;border-collapse:collapse}.table th,.table td{padding:1rem;text-align:left;border-bottom:1px solid var(--border)}.table th{color:var(--accent);font-weight:700;text-transform:uppercase;font-size:.9rem}.table tr:hover{background:var(--bg-tertiary)}.alert{padding:1rem;margin-bottom:1rem;border-left:4px solid}.alert-success{background:#00ff411a;border-color:var(--success);color:var(--success)}.alert-error{background:#ff00551a;border-color:var(--danger);color:var(--danger)}.loading{text-align:center;padding:2rem;color:var(--accent);font-size:1.2rem}.loading:after{content:"...";animation:dots 1.5s infinite}@keyframes dots{0%,20%{content:"."}40%{content:".."}60%,to{content:"..."}}.terminal{background:#000;border:2px solid var(--text-primary);border-radius:4px;padding:1rem;font-family:Courier New,monospace;color:var(--text-primary);box-shadow:0 0 20px #00ff414d}.terminal-line:before{content:"$ ";color:var(--accent)}.footer{background:var(--bg-secondary);border-top:2px solid var(--border);padding:1.5rem 2rem;margin-top:auto;box-shadow:0 0 20px #00ff411a}.footer-content{max-width:1400px;margin:0 auto;text-align:center;color:var(--text-muted);font-size:.9rem}.footer-content p{margin:0}.grecaptcha-badge{visibility:hidden}.recaptcha-disclosure{margin-top:1rem;font-size:.75rem;color:var(--text-muted);text-align:center;line-height:1.4}.recaptcha-disclosure a{color:var(--accent-dim);text-decoration:none}.recaptcha-disclosure a:hover{color:var(--accent);text-decoration:underline}