:root{--primary: #6c5ce7;--primary-dark: #5b4cdb;--secondary: #fd79a8;--accent: #00cec9;--danger: #d63031;--warning: #fdcb6e;--success: #00b894;--bg-primary: #0f0f1a;--bg-secondary: #1a1a2e;--bg-tertiary: #252542;--text-primary: #ffffff;--text-secondary: #a0a0b0;--text-muted: #6c6c7d;--border-radius: 12px;--transition: all .3s ease}*{margin:0;padding:0;box-sizing:border-box}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,sans-serif;background:var(--bg-primary);color:var(--text-primary);min-height:100vh;line-height:1.6}button{cursor:pointer;border:none;outline:none;font-family:inherit;transition:var(--transition)}button:disabled{opacity:.5;cursor:not-allowed}input,select,textarea{font-family:inherit;border:none;outline:none}a{color:var(--primary);text-decoration:none}.layout{min-height:100vh;display:flex;flex-direction:column}.header{padding:1rem 2rem;background:var(--bg-secondary);border-bottom:1px solid var(--bg-tertiary);display:flex;justify-content:space-between;align-items:center}.logo{font-size:1.5rem;font-weight:700;background:linear-gradient(135deg,var(--primary),var(--secondary));-webkit-background-clip:text;-webkit-text-fill-color:transparent}.main{flex:1;padding:2rem;max-width:1200px;margin:0 auto;width:100%}.card{background:var(--bg-secondary);border-radius:var(--border-radius);padding:1.5rem;margin-bottom:1rem;border:1px solid var(--bg-tertiary)}.card-title{font-size:1.25rem;margin-bottom:1rem;color:var(--text-primary)}.btn{padding:.75rem 1.5rem;border-radius:var(--border-radius);font-size:1rem;font-weight:500;display:inline-flex;align-items:center;gap:.5rem}.btn-primary{background:var(--primary);color:#fff}.btn-primary:hover:not(:disabled){background:var(--primary-dark);transform:translateY(-2px)}.btn-secondary{background:var(--bg-tertiary);color:var(--text-primary)}.btn-secondary:hover:not(:disabled){background:var(--bg-secondary)}.btn-danger{background:var(--danger);color:#fff}.btn-lg{padding:1rem 2rem;font-size:1.125rem}.form-group{margin-bottom:1.5rem}.form-label{display:block;margin-bottom:.5rem;color:var(--text-secondary);font-size:.875rem}.form-input{width:100%;padding:.75rem 1rem;background:var(--bg-tertiary);border-radius:var(--border-radius);color:var(--text-primary);font-size:1rem}.form-input:focus{box-shadow:0 0 0 2px var(--primary)}.game-container{display:flex;flex-direction:column;align-items:center;gap:2rem;padding:2rem}.beat-circle{width:200px;height:200px;border-radius:50%;background:var(--bg-tertiary);display:flex;align-items:center;justify-content:center;font-size:1.5rem;font-weight:700;cursor:pointer;-webkit-user-select:none;user-select:none;transition:all .1s ease}.beat-circle.active{background:var(--primary);transform:scale(1.1);box-shadow:0 0 30px var(--primary)}.score-display{display:flex;gap:3rem;font-size:1.25rem}.score{text-align:center}.score-value{font-size:2rem;font-weight:700;color:var(--primary)}.safeword-btn{position:fixed;bottom:2rem;right:2rem;background:var(--danger);color:#fff;padding:1rem 2rem;border-radius:var(--border-radius);font-weight:700;font-size:1.125rem;box-shadow:0 4px 15px #d6303166;z-index:1000}.safeword-btn:hover{transform:scale(1.05);box-shadow:0 6px 20px #d6303199}.intensity-slider{width:100%;height:8px;border-radius:4px;background:var(--bg-tertiary);outline:none;-webkit-appearance:none}.intensity-slider::-webkit-slider-thumb{-webkit-appearance:none;width:24px;height:24px;border-radius:50%;background:var(--primary);cursor:pointer}.status-indicator{display:inline-flex;align-items:center;gap:.5rem;font-size:.875rem}.status-dot{width:8px;height:8px;border-radius:50%}.status-dot.connected{background:var(--success);box-shadow:0 0 8px var(--success)}.status-dot.disconnected{background:var(--danger)}@keyframes pulse{0%,to{opacity:1}50%{opacity:.5}}.pulse{animation:pulse 2s infinite}@media (max-width: 768px){.main{padding:1rem}.beat-circle{width:150px;height:150px}.safeword-btn{bottom:1rem;right:1rem;padding:.75rem 1.5rem}}