:root{--bg-app:#fafafa;--bg-panel:#ffffffbf;--bg-surface:#f1f5f9;--primary:#06f;--primary-glow:#06f3;--secondary:#7000ff;--text-main:#0f172a;--text-muted:#475569;--text-dim:#94a3b8;--border-light:#e2e8f0cc;--border-active:#cbd5e1;--success:#10b981;--error:#ef4444;--spacing-xs:4px;--spacing-sm:8px;--spacing-md:16px;--spacing-lg:24px;--spacing-xl:32px;--spacing-xxl:48px;--font-heading:"Outfit",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;--font-body:"Inter",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;--radius-sm:6px;--radius-md:12px;--radius-lg:24px;--radius-full:9999px;--transition-fast:.2s ease;--transition-smooth:.3s cubic-bezier(.4,0,.2,1)}[data-theme=dark]{--bg-app:#030712;--bg-panel:#0f172abf;--bg-surface:#1e293bcc;--text-main:#f8fafc;--text-muted:#94a3b8;--text-dim:#64748b;--border-light:#33415580;--border-active:#475569;--primary-glow:#0066ff4d}*{box-sizing:border-box;margin:0;padding:0}body{background-color:var(--bg-app);color:var(--text-main);font-family:var(--font-body);-webkit-font-smoothing:antialiased;min-height:100vh;line-height:1.6;overflow-x:hidden}h1,h2,h3,h4,h5,h6{font-family:var(--font-heading);letter-spacing:-.02em}#root{flex-direction:column;min-height:100vh;display:flex}button{cursor:pointer;background:0 0;border:none;font-family:inherit;font-size:1rem}.btn-primary,.primary-btn{background:var(--primary);color:#fff;border-radius:var(--radius-md);transition:all var(--transition-smooth);box-shadow:0 4px 12px var(--primary-glow);border:none;justify-content:center;align-items:center;gap:8px;padding:12px 24px;font-weight:600;display:inline-flex;position:relative;overflow:hidden}.btn-primary:not(:disabled):hover,.primary-btn:not(:disabled):hover{box-shadow:0 8px 24px var(--primary-glow);background:#1a75ff;transform:translateY(-2px)}.btn-primary:not(:disabled):active,.primary-btn:not(:disabled):active{transform:translateY(0)}.btn-primary:disabled,.primary-btn:disabled{opacity:.5;cursor:not-allowed;box-shadow:none}.btn-secondary,.secondary-btn,.action-btn{background:var(--bg-surface);color:var(--text-main);border-radius:var(--radius-md);border:1px solid var(--border-light);transition:all var(--transition-fast);justify-content:center;align-items:center;gap:8px;padding:10px 20px;font-weight:600;display:inline-flex}.btn-secondary:hover,.secondary-btn:hover,.action-btn:hover{border-color:var(--border-active);background:var(--bg-panel);transform:translateY(-1px)}.btn-danger{color:var(--error);background:#ef44441a;border:1px solid #ef444433}.btn-danger:hover{background:#ef444433;border-color:#ef444466}input[type=range]{-webkit-appearance:none;background:0 0;width:100%;padding:8px 0}input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;background:var(--primary);cursor:pointer;width:20px;height:20px;box-shadow:0 0 10px var(--primary-glow);border-radius:50%;margin-top:-8px;transition:transform .2s}input[type=range]:active::-webkit-slider-thumb{transform:scale(1.2)}input[type=range]::-webkit-slider-runnable-track{cursor:pointer;background:var(--border-light);border-radius:var(--radius-full);width:100%;height:6px}input[type=range]:focus{outline:none}input[type=range]:focus::-webkit-slider-runnable-track{background:var(--border-active)}::-webkit-scrollbar{width:8px}::-webkit-scrollbar-track{background:var(--bg-app)}::-webkit-scrollbar-thumb{background:var(--border-active);border-radius:var(--radius-full)}::-webkit-scrollbar-thumb:hover{background:var(--text-muted)}:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:var(--radius-sm)}:focus:not(:focus-visible){outline:none}.sr-only{clip:rect(0,0,0,0);white-space:nowrap;border-width:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}