:root{--bg-primary: #0a0a1a;--bg-secondary: #111122;--bg-tertiary: #1a1a2e;--bg-card: #16162a;--text-primary: #ffffff;--text-secondary: #a0a0c0;--text-muted: #6a6a8a;--accent-primary: #00ffaa;--accent-secondary: #4ecdc4;--accent-tertiary: #ff6b6b;--border-color: #2a2a4a;--border-glow: rgba(0, 255, 170, .3);--gradient-primary: linear-gradient(135deg, #00ffaa 0%, #4ecdc4 100%);--gradient-secondary: linear-gradient(135deg, #4ecdc4 0%, #556270 100%);--gradient-danger: linear-gradient(135deg, #ff6b6b 0%, #ee5a24 100%);--spacing-xs: .25rem;--spacing-sm: .5rem;--spacing-md: 1rem;--spacing-lg: 1.5rem;--spacing-xl: 2rem;--spacing-xxl: 3rem;--radius-sm: 4px;--radius-md: 8px;--radius-lg: 12px;--radius-xl: 20px;--transition-fast: .15s ease;--transition-normal: .3s ease;--font-display: "Orbitron", sans-serif;--font-body: "Inter", -apple-system, BlinkMacSystemFont, sans-serif}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html,body{height:100%;overflow:hidden}body{font-family:var(--font-body);background:var(--bg-primary);color:var(--text-primary);line-height:1.6}#app{height:100%;display:flex;align-items:center;justify-content:center}.screen{width:100%;height:100%;display:flex;align-items:center;justify-content:center;animation:fadeIn .3s ease}.screen.hidden{display:none}@keyframes fadeIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.menu-container{text-align:center;padding:var(--spacing-xxl)}.game-title{font-family:var(--font-display);font-size:5rem;font-weight:900;margin-bottom:var(--spacing-sm);text-transform:uppercase;letter-spacing:.1em}.title-ping{color:var(--accent-tertiary);text-shadow:0 0 30px rgba(255,107,107,.5)}.title-pong{color:var(--accent-secondary);text-shadow:0 0 30px rgba(78,205,196,.5)}.subtitle{font-family:var(--font-display);font-size:1.2rem;color:var(--text-secondary);letter-spacing:.3em;text-transform:uppercase;margin-bottom:var(--spacing-xxl)}.menu-buttons{display:flex;flex-direction:column;gap:var(--spacing-lg);margin-bottom:var(--spacing-xxl)}.controls-hint{display:flex;justify-content:center;gap:var(--spacing-xxl);color:var(--text-muted);font-size:.9rem}.control{display:flex;align-items:center;gap:var(--spacing-sm)}.key{display:inline-flex;align-items:center;justify-content:center;width:32px;height:32px;background:var(--bg-tertiary);border:1px solid var(--border-color);border-radius:var(--radius-sm);font-family:var(--font-display);font-size:.8rem;font-weight:700}.btn{display:inline-flex;flex-direction:column;align-items:center;justify-content:center;padding:var(--spacing-lg) var(--spacing-xl);border:none;border-radius:var(--radius-lg);font-family:var(--font-display);font-size:1.1rem;font-weight:600;cursor:pointer;transition:all var(--transition-normal);text-transform:uppercase;letter-spacing:.05em;min-width:280px}.btn-icon{font-size:1.5rem;margin-bottom:var(--spacing-xs)}.btn-hint{font-family:var(--font-body);font-size:.75rem;font-weight:400;opacity:.7;text-transform:none;letter-spacing:normal;margin-top:var(--spacing-xs)}.btn-primary{background:var(--gradient-primary);color:var(--bg-primary);box-shadow:0 4px 20px #00ffaa4d}.btn-primary:hover{transform:translateY(-2px);box-shadow:0 8px 30px #00ffaa80}.btn-primary:active{transform:translateY(0)}.btn-secondary{background:var(--bg-tertiary);color:var(--text-primary);border:2px solid var(--border-color)}.btn-secondary:hover{background:var(--bg-secondary);border-color:var(--accent-secondary);box-shadow:0 0 20px #4ecdc433}.btn-back{background:transparent;color:var(--text-secondary);padding:var(--spacing-sm) var(--spacing-md);min-width:auto}.btn-back:hover{color:var(--text-primary)}.btn-icon-only{min-width:auto;padding:var(--spacing-sm) var(--spacing-md);background:var(--bg-tertiary);border:1px solid var(--border-color);font-size:1.2rem}.btn-large{padding:var(--spacing-xl) var(--spacing-xxl);font-size:1.4rem}.btn.ready{background:var(--gradient-danger)}.btn:disabled{opacity:.5;cursor:not-allowed}.lobbies-container{width:100%;max-width:800px;padding:var(--spacing-xl)}.lobbies-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:var(--spacing-xl)}.lobbies-header h2{font-family:var(--font-display);font-size:1.8rem;color:var(--accent-primary)}.header-actions{display:flex;gap:var(--spacing-md)}.lobby-list{display:flex;flex-direction:column;gap:var(--spacing-md);max-height:60vh;overflow-y:auto;padding-right:var(--spacing-sm)}.lobby-list::-webkit-scrollbar{width:6px}.lobby-list::-webkit-scrollbar-track{background:var(--bg-secondary);border-radius:3px}.lobby-list::-webkit-scrollbar-thumb{background:var(--border-color);border-radius:3px}.lobby-item{display:flex;align-items:center;justify-content:space-between;padding:var(--spacing-lg);background:var(--bg-card);border:1px solid var(--border-color);border-radius:var(--radius-lg);transition:all var(--transition-fast)}.lobby-item:hover{border-color:var(--accent-secondary);box-shadow:0 0 20px #4ecdc41a}.lobby-info{display:flex;align-items:center;gap:var(--spacing-lg)}.lobby-name{font-family:var(--font-display);font-size:1.1rem;font-weight:600;color:var(--text-primary)}.lobby-players,.lobby-health{color:var(--text-secondary);font-size:.9rem}.lobby-phase{padding:var(--spacing-xs) var(--spacing-sm);border-radius:var(--radius-sm);font-size:.75rem;font-weight:600;text-transform:uppercase}.phase-waiting{background:#ffc10733;color:#ffc107}.phase-ready{background:#0fa3;color:var(--accent-primary)}.phase-countdown,.phase-playing{background:#4ecdc433;color:var(--accent-secondary)}.phase-gameOver{background:#ff6b6b33;color:var(--accent-tertiary)}.btn-join{padding:var(--spacing-sm) var(--spacing-lg);min-width:80px}.no-lobbies{text-align:center;color:var(--text-muted);padding:var(--spacing-xxl)}.lobby-room-container{text-align:center;padding:var(--spacing-xxl);width:100%;max-width:500px}.lobby-room-header{display:flex;align-items:center;gap:var(--spacing-lg);margin-bottom:var(--spacing-xxl)}.lobby-room-header h2{font-family:var(--font-display);font-size:1.5rem;color:var(--accent-primary);flex:1}.lobby-players{display:flex;flex-direction:column;gap:var(--spacing-md);margin-bottom:var(--spacing-xxl)}.player-slot{display:flex;align-items:center;justify-content:space-between;padding:var(--spacing-lg);background:var(--bg-card);border:2px solid var(--border-color);border-radius:var(--radius-lg);transition:all var(--transition-fast)}.player-slot.ready{border-color:var(--accent-primary);box-shadow:0 0 15px #0fa3}.player-name{font-family:var(--font-display);font-weight:600}.player-side{color:var(--text-secondary)}.player-ready{font-size:.9rem;color:var(--text-muted)}.player-slot.ready .player-ready{color:var(--accent-primary)}.lobby-actions{margin-bottom:var(--spacing-lg)}.lobby-hint{color:var(--text-muted);font-size:.9rem}.game-container{display:flex;align-items:center;justify-content:center;width:100%;height:100%;background:var(--bg-primary)}#game-canvas{max-width:100%;max-height:100%;border-radius:var(--radius-lg);box-shadow:0 0 50px #0fa3}.modal{position:fixed;top:0;right:0;bottom:0;left:0;background:#000c;display:flex;align-items:center;justify-content:center;z-index:1000;animation:fadeIn .2s ease}.modal.hidden{display:none}.modal-content{background:var(--bg-card);border:1px solid var(--border-color);border-radius:var(--radius-xl);padding:var(--spacing-xl);width:100%;max-width:400px;animation:slideUp .3s ease}@keyframes slideUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}.modal-content h3{font-family:var(--font-display);font-size:1.4rem;color:var(--accent-primary);margin-bottom:var(--spacing-xl);text-align:center}.form-group{margin-bottom:var(--spacing-lg)}.form-group label{display:block;margin-bottom:var(--spacing-sm);color:var(--text-secondary);font-size:.9rem}.form-group input[type=text]{width:100%;padding:var(--spacing-md);background:var(--bg-secondary);border:1px solid var(--border-color);border-radius:var(--radius-md);color:var(--text-primary);font-family:var(--font-body);font-size:1rem;transition:border-color var(--transition-fast)}.form-group input[type=text]:focus{outline:none;border-color:var(--accent-primary)}.form-group input[type=range]{width:calc(100% - 40px);margin-right:var(--spacing-sm);accent-color:var(--accent-primary)}#lobby-health-value{display:inline-block;width:24px;text-align:center;font-family:var(--font-display);font-weight:700;color:var(--accent-primary)}.modal-actions{display:flex;gap:var(--spacing-md);margin-top:var(--spacing-xl)}.modal-actions .btn{flex:1;min-width:auto}@media (max-width: 768px){.game-title{font-size:3rem}.subtitle{font-size:1rem;letter-spacing:.2em}.btn{min-width:100%}.controls-hint{flex-direction:column;gap:var(--spacing-md)}.lobby-info{flex-wrap:wrap;gap:var(--spacing-sm)}.lobbies-header{flex-wrap:wrap;gap:var(--spacing-md)}.lobbies-header h2{order:-1;width:100%}}