:root{--bg-primary: #0f0e17;--bg-surface: #1a1a2e;--bg-elevated: #16213e;--bg-input: #0f3460;--accent: #e94560;--accent-hover: #d63851;--info: #a8d8ea;--text-primary: #e0e0e0;--text-secondary: #a0a0b0;--text-muted: #6b6b80;--success: #4ecca3;--error: #ff6b6b;--warning: #ffd93d;--radius-sm: 4px;--radius-md: 8px;--radius-lg: 12px;--transition: .2s ease}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,sans-serif;color:var(--text-primary);background:var(--bg-primary);line-height:1.5;-webkit-font-smoothing:antialiased}body{min-height:100vh}button{cursor:pointer;font-family:inherit;font-size:inherit;border:none;background:none;color:inherit}a{color:var(--info)}.container{max-width:1200px;margin:0 auto;padding:0 24px}.btn-primary{background:var(--accent);color:#fff;padding:12px 24px;border-radius:var(--radius-md);font-weight:600;font-size:1rem;transition:background var(--transition)}.btn-primary:hover:not(:disabled){background:var(--accent-hover)}.btn-primary:disabled{opacity:.5;cursor:not-allowed}.btn-secondary{background:var(--bg-input);color:var(--text-primary);padding:8px 16px;border-radius:var(--radius-sm);font-weight:500;transition:background var(--transition)}.btn-secondary:hover{background:var(--bg-elevated)}.btn-icon{display:inline-flex;align-items:center;justify-content:center;width:36px;height:36px;border-radius:var(--radius-sm);background:var(--bg-input);transition:background var(--transition)}.btn-icon:hover{background:var(--bg-elevated)}@media(max-width:768px){.container{padding:0 16px}}