:root{--text:#6b6375;--text-h:#08060d;--bg:#fff;--border:#e5e4e7;--code-bg:#f4f3ec;--accent:#aa3bff;--accent-bg:#aa3bff1a;--accent-border:#aa3bff80;--social-bg:#f4f3ec80;--shadow:#0000001a 0 10px 15px -3px, #0000000d 0 4px 6px -2px;--sans:system-ui, "Segoe UI", Roboto, sans-serif;--heading:system-ui, "Segoe UI", Roboto, sans-serif;--mono:ui-monospace, Consolas, monospace;font:18px/145% var(--sans);letter-spacing:.18px;--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light dark;color:var(--text);background:var(--bg);font-synthesis:none;text-rendering:optimizelegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}@media (prefers-color-scheme:dark){:root{--lightningcss-light: ;--lightningcss-dark:initial}}@media (width<=1024px){:root{font-size:16px}}@media (prefers-color-scheme:dark){:root{--text:#9ca3af;--text-h:#f3f4f6;--bg:#16171d;--border:#2e303a;--code-bg:#1f2028;--accent:#c084fc;--accent-bg:#c084fc26;--accent-border:#c084fc80;--social-bg:#2f303a80;--shadow:#0006 0 10px 15px -3px, #00000040 0 4px 6px -2px}#social .button-icon{filter:invert()brightness(2)}}#root{text-align:center;border-inline:1px solid var(--border);box-sizing:border-box;flex-direction:column;width:1126px;max-width:100%;min-height:100svh;margin:0 auto;display:flex}body{margin:0}h1,h2{font-family:var(--heading);color:var(--text-h);font-weight:500}h1{letter-spacing:-1.68px;margin:32px 0;font-size:56px}@media (width<=1024px){h1{margin:20px 0;font-size:36px}}h2{letter-spacing:-.24px;margin:0 0 8px;font-size:24px;line-height:118%}@media (width<=1024px){h2{font-size:20px}}p{margin:0}code,.counter{font-family:var(--mono);color:var(--text-h);border-radius:4px;display:inline-flex}code{background:var(--code-bg);padding:4px 8px;font-size:15px;line-height:135%}:root{--bg-dark:#0f111a;--bg-card:#1a1d2d;--accent-primary:#00f2fe;--accent-secondary:#4facfe;--text-primary:#fff;--text-secondary:#94a3b8;--danger:#ef4444;--success:#22c55e}*{box-sizing:border-box;margin:0;padding:0;font-family:Inter,system-ui,-apple-system,sans-serif}body{background-color:var(--bg-dark);color:var(--text-primary);min-height:100vh;overflow-x:hidden}.app-container{flex-direction:column;min-height:100vh;display:flex}.content-area{padding:20px;padding-bottom:calc(140px + env(safe-area-inset-bottom));flex:1}.premium-banner{background:linear-gradient(90deg, var(--accent-secondary), var(--accent-primary));color:#000;text-align:center;cursor:pointer;justify-content:space-between;align-items:center;padding:12px 20px;font-weight:600;display:flex;box-shadow:0 4px 15px #00f2fe4d}.premium-banner:hover{filter:brightness(1.1)}.bottom-nav{height:calc(65px + env(safe-area-inset-bottom));padding-bottom:env(safe-area-inset-bottom);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);z-index:100;background-color:#1a1d2df2;border-top:1px solid #ffffff0d;justify-content:space-around;align-items:center;transition:bottom .3s;display:flex;position:fixed;bottom:0;left:0;right:0}.nav-item{color:var(--text-secondary);flex-direction:column;align-items:center;gap:4px;font-size:12px;text-decoration:none;transition:all .2s;display:flex}.nav-item.active{color:var(--accent-primary)}.btn{background:linear-gradient(90deg, var(--accent-secondary), var(--accent-primary));color:#000;cursor:pointer;border:none;border-radius:30px;justify-content:center;align-items:center;gap:8px;padding:12px 24px;font-size:16px;font-weight:700;transition:transform .2s,box-shadow .2s;display:inline-flex}.btn:hover{transform:translateY(-2px);box-shadow:0 4px 15px #00f2fe66}.btn-secondary{background:var(--bg-card);color:var(--text-primary);border:1px solid #ffffff1a}.btn-secondary:hover{box-shadow:none;background:#ffffff0d}.input-field{width:100%;color:var(--text-primary);background:#ffffff0d;border:1px solid #ffffff1a;border-radius:16px;outline:none;padding:16px;font-size:16px;transition:border-color .2s}.input-field:focus{border-color:var(--accent-primary)}.input-field option{color:var(--text-primary);background:#111}.card{background:var(--bg-card);border:1px solid #ffffff0d;border-radius:20px;padding:20px}.piano-roll-container{background:var(--bg-dark);z-index:1000;width:100vw;height:100vh;padding-top:env(safe-area-inset-top);padding-bottom:env(safe-area-inset-bottom);padding-left:env(safe-area-inset-left);padding-right:env(safe-area-inset-right);flex-direction:column;display:flex;position:fixed;top:0;left:0}.piano-roll-header{background:var(--bg-card);white-space:nowrap;border-bottom:1px solid #ffffff1a;justify-content:space-between;align-items:center;gap:16px;height:60px;padding:0 20px;display:flex;overflow-x:auto}.piano-roll-header::-webkit-scrollbar{display:none}.piano-roll-body{background:#1e1e1e;flex:1;display:flex;position:relative;overflow:hidden}.piano-keys{z-index:10;background:#2a2a2a;border-right:1px solid #000;flex-direction:column;width:60px;display:flex}.piano-key{border-bottom:1px solid #000;flex:1;justify-content:flex-end;align-items:center;padding-right:4px;display:flex}.white-key{color:#000;background:#fff}.black-key{color:#888;background:#222}.key-label{font-size:10px;font-weight:700}.piano-grid{background:#111 linear-gradient(90deg,#ffffff0d 1px,#0000 1px) 0 0/50px 100%;flex:1;position:relative;overflow:auto hidden}.grid-row{background:#ffffff1a;height:1px;position:absolute;left:0;right:0}.piano-note{background:var(--accent-primary);cursor:grab;touch-action:none;border:1px solid #000;border-radius:2px;position:absolute;box-shadow:0 0 5px #00f2fe80}.piano-note:active{cursor:grabbing;opacity:.8;z-index:100}.playhead{background:var(--danger);z-index:50;pointer-events:none;width:2px;position:absolute;top:0;bottom:0}.btn-icon{color:var(--text-primary);cursor:pointer;background:0 0;border:none;justify-content:center;align-items:center;padding:4px;display:flex}.btn-icon:hover{color:var(--accent-primary)}