:root{--bg-color:#080808;--card-bg:#121212;--text-main:#fff;--text-muted:#a0a0a0;--accent:#00c3ff;--border:#333}*{box-sizing:border-box}body{background-color:var(--bg-color);color:var(--text-main);-webkit-font-smoothing:antialiased;margin:0;padding:0;font-family:Helvetica Neue,Arial,sans-serif;line-height:1.6}.container{max-width:900px;margin:0 auto;padding:40px 20px}h1,h2,h3,h4{letter-spacing:-.5px;margin-top:0;font-weight:700}h1{text-transform:uppercase;text-shadow:0 0 20px #00c3ff4d;margin-bottom:25px;font-size:2.8rem}.mono-text{color:var(--accent);letter-spacing:1px;text-shadow:0 0 5px #00c3ff80;margin-bottom:20px;font-family:Courier New,Courier,monospace;font-size:.9rem;display:block}.hero-features{flex-wrap:wrap;gap:15px;margin-bottom:40px;display:flex}.feature-block{border:1px solid var(--accent);color:var(--accent);text-transform:uppercase;background:#00c3ff1a;padding:10px 20px;font-family:Courier New,Courier,monospace;font-size:.9rem;font-weight:700;box-shadow:0 0 10px #00c3ff1a}.countdown-container{border:1px solid var(--border);text-align:center;background:#111;border-radius:4px;margin-bottom:60px;padding:30px}.countdown-title{color:var(--text-muted);text-transform:uppercase;letter-spacing:2px;margin-bottom:20px;font-size:.9rem;display:block}.timer{justify-content:center;gap:40px;display:flex}.time-box{flex-direction:column;align-items:center;display:flex}.time-val{color:#fff;text-shadow:0 0 10px #00c3ff80;font-size:2.5rem;font-weight:700;line-height:1}.time-label{color:var(--accent);text-transform:uppercase;margin-top:5px;font-family:Courier New,Courier,monospace;font-size:.8rem}.grid{grid-template-columns:repeat(auto-fit,minmax(350px,1fr));gap:20px;margin-bottom:60px;display:grid}.card{background:var(--card-bg);border:1px solid var(--border);padding:30px;transition:all .3s}.card:hover{border-color:var(--accent);transform:translateY(-5px);box-shadow:0 5px 20px #00c3ff26}.card-header{color:var(--text-muted);margin-bottom:10px;font-family:Courier New,Courier,monospace;font-size:.8rem;display:block}.card h3{color:var(--accent);text-shadow:0 0 8px #00c3ff66;margin-bottom:15px;font-size:1.4rem}.card p{color:#ccc;margin:0;font-size:.95rem}.instructor-section{border:1px solid var(--border);background:#12121280;border-radius:2px;margin-bottom:60px;padding:40px}.instructor-content h3{color:#fff;margin-bottom:5px;font-size:1.8rem}.instructor-role{color:var(--accent);margin-bottom:20px;font-family:Courier New,Courier,monospace;font-size:1rem;display:block}.instructor-bio{padding-left:0}.instructor-bio li{color:#bbb;margin-bottom:12px;font-size:1rem;line-height:1.6;list-style-type:none}.instructor-bio li:before{content:">> ";color:var(--accent);margin-right:10px;font-weight:700}.intro-block{border-left:2px solid var(--border);margin-bottom:30px;padding-left:20px}.intro-block.accent{border-left-color:var(--accent)}.intro-title{color:var(--accent);text-transform:uppercase;margin-bottom:10px;font-family:Courier New,Courier,monospace;font-size:1rem;font-weight:700;display:block}.info-bar{border-top:1px solid var(--border);border-bottom:1px solid var(--border);flex-wrap:wrap;justify-content:space-between;gap:30px;margin-bottom:60px;padding:30px 0;display:flex}.info-item{text-align:left}.info-label{color:var(--text-muted);margin-bottom:5px;font-family:Courier New,Courier,monospace;font-size:.8rem;display:block}.info-value{font-size:1.2rem;font-weight:700}.info-value.accent{color:var(--accent);text-shadow:0 0 10px #00c3ff66}.registration-form-container{border:1px solid var(--border);background:#111;border-radius:4px;max-width:600px;margin:0 auto 60px;padding:40px;box-shadow:0 0 30px #00000080}.registration-form-container h2{text-align:center;text-transform:uppercase;margin-bottom:30px}.form-group{text-align:left;margin-bottom:20px}.form-label{color:var(--text-muted);margin-bottom:8px;font-family:Courier New,Courier,monospace;font-size:.9rem;display:block}.form-input{border:1px solid var(--border);color:#fff;box-sizing:border-box;background-color:#1a1a1a;width:100%;padding:15px;font-family:inherit;font-size:1rem;transition:all .3s}.form-input:focus{border-color:var(--accent);outline:none;box-shadow:0 0 10px #00c3ff33}.btn{color:var(--accent);border:2px solid var(--accent);text-transform:uppercase;cursor:pointer;text-shadow:0 0 5px #00c3ff66;background-color:#0000;width:100%;padding:18px 50px;font-family:Courier New,Courier,monospace;font-size:1.1rem;font-weight:700;text-decoration:none;transition:all .3s;display:inline-block;box-shadow:0 0 10px #00c3ff33}.btn:hover{background-color:var(--accent);color:#000;text-shadow:none;box-shadow:0 0 30px #00c3ff99}.form-note{color:#666;text-align:center;margin-top:20px;font-size:.8rem}.success-message{text-align:center;border:1px solid var(--accent);background:#111;border-radius:4px;margin-bottom:60px;padding:60px}.success-message h2{color:var(--accent);margin-bottom:20px}.success-message p{color:#fff;font-size:1.1rem}.section{margin-bottom:60px}@media (max-width:600px){h1{font-size:2rem}.timer{gap:20px}.time-val{font-size:1.8rem}.grid{grid-template-columns:1fr}.info-bar{flex-direction:column;gap:20px}.hero-features{flex-direction:column}.feature-block{text-align:center}.instructor-bio ul{padding:0}}.seat-counter{border:1px solid var(--border);background:#111;border-radius:4px;flex-wrap:wrap;justify-content:center;align-items:center;gap:15px;margin-bottom:30px;padding:20px;display:flex}.seat-counter.low{background:#ff6b351a;border-color:#ff6b35}.seat-label{color:var(--text-muted);text-transform:uppercase;font-family:Courier New,Courier,monospace;font-size:.9rem}.seat-value{color:var(--accent);text-shadow:0 0 10px #00c3ff66;font-size:1.5rem;font-weight:700}.seat-warning{color:#ff6b35;font-family:Courier New,Courier,monospace;font-size:.85rem;font-weight:700;animation:1.5s infinite pulse}@keyframes pulse{0%,to{opacity:1}50%{opacity:.6}}.admin-container{max-width:1200px;min-height:100vh;margin:0 auto;padding:40px 20px}.admin-header{border-bottom:1px solid var(--border);justify-content:space-between;align-items:center;margin-bottom:40px;padding-bottom:20px;display:flex}.admin-header h1{margin:0;font-size:2rem}.admin-subtitle{color:var(--accent);margin:5px 0 0;font-family:Courier New,Courier,monospace;font-size:.9rem}.btn-logout{color:#f44;cursor:pointer;background:0 0;border:1px solid #f44;padding:10px 20px;font-family:Courier New,Courier,monospace;transition:all .3s}.btn-logout:hover{color:#000;background:#f44}.stats-grid{grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:20px;margin-bottom:40px;display:grid}.stat-card{background:var(--card-bg);border:1px solid var(--border);text-align:center;border-radius:4px;padding:25px}.stat-label{color:var(--text-muted);text-transform:uppercase;margin-bottom:10px;font-family:Courier New,Courier,monospace;font-size:.8rem;display:block}.stat-value{font-size:2rem;font-weight:700}.stat-value.accent{color:var(--accent)}.stat-value.pending{color:orange}.stat-value.confirmed{color:#4da6ff}.stat-value.paid{color:#0f8}.table-container{background:var(--card-bg);border:1px solid var(--border);border-radius:4px;overflow-x:auto}.admin-table{border-collapse:collapse;width:100%;min-width:1000px}.admin-table th,.admin-table td{text-align:left;border-bottom:1px solid var(--border);padding:15px}.admin-table th{color:var(--text-muted);text-transform:uppercase;background:#1a1a1a;font-family:Courier New,Courier,monospace;font-size:.8rem;font-weight:400}.admin-table tr:hover{background:#00c3ff0d}.name-cell{color:#fff;font-weight:600}.email-link{color:var(--accent);text-decoration:none}.email-link:hover{text-decoration:underline}.date-cell{color:var(--text-muted);font-size:.9rem}.status-badge{text-transform:uppercase;border-radius:20px;padding:5px 12px;font-family:Courier New,Courier,monospace;font-size:.75rem;font-weight:700;display:inline-block}.status-pending{color:orange;background:#ffa50033;border:1px solid orange}.status-confirmed{color:#4da6ff;background:#4da6ff33;border:1px solid #4da6ff}.status-paid{color:#0f8;background:#0f83;border:1px solid #0f8}.btn-confirm{color:#4da6ff;border-color:#4da6ff}.btn-confirm:hover{color:#000;background:#4da6ff}.btn-paid{color:#0f8;border-color:#0f8}.btn-paid:hover{color:#000;background:#0f8}.check-mark{color:#0f8;font-size:1.2rem}.loading-action{color:var(--text-muted)}.linkedin-link{color:#0077b5;font-size:.85rem;text-decoration:none}.linkedin-link:hover{text-decoration:underline}.actions-cell{flex-wrap:nowrap;align-items:center;gap:6px;display:flex}.btn-action{cursor:pointer;white-space:nowrap;background:0 0;border:1px solid;padding:6px 12px;font-family:Courier New,Courier,monospace;font-size:.75rem;transition:all .3s}.btn-delete{color:#f44;cursor:pointer;background:0 0;border:1px solid #f44;border-radius:4px;flex-shrink:0;justify-content:center;align-items:center;width:28px;height:28px;padding:0;font-size:14px;transition:all .3s;display:inline-flex}.btn-delete:hover{color:#000;background:#f44}.empty-state,.loading-text{text-align:center;color:var(--text-muted);padding:60px}.error-message{color:#f44;text-align:center;background:#ff44441a;border:1px solid #f44;border-radius:4px;margin-bottom:20px;padding:15px}.admin-login-container{justify-content:center;align-items:center;min-height:100vh;padding:20px;display:flex}.admin-login-box{background:var(--card-bg);border:1px solid var(--border);border-radius:4px;width:100%;max-width:400px;padding:50px}.admin-login-box h1{text-align:center;margin-bottom:5px}.admin-login-box .admin-subtitle{text-align:center;margin-bottom:40px}@media (max-width:768px){.admin-header{text-align:center;flex-direction:column;gap:20px}.stats-grid{grid-template-columns:repeat(2,1fr)}}