:root{--accent: #4a9eff;--panel-bg: rgb(12 14 18 / 54%);--panel-border: rgba(255, 255, 255, .08);--text: rgba(255, 255, 255, .9);--text-dim: rgba(255, 255, 255, .45)}*{box-sizing:border-box}html,body{margin:0;padding:0;overflow:hidden;background:#000;font-family:SF Mono,Menlo,Consolas,monospace}#canvas{position:fixed;inset:0;width:100vw;height:100vh;display:block}#gpu-guard{position:fixed;top:0;left:0;width:2px;height:2px;backdrop-filter:blur(1px);-webkit-backdrop-filter:blur(1px);pointer-events:none;z-index:5}.curves-canvas{width:100%;height:140px;background:#0e0e12;border:1px solid #2a2a33;border-radius:4px;cursor:crosshair;display:block;margin:4px 0 8px;touch-action:none}.sizeramp-canvas{width:100%;height:56px;border:1px solid #2a2a33;border-radius:4px;cursor:crosshair;display:block;margin:4px 0;touch-action:none}.control-panel{position:fixed;top:14px;right:14px;width:370px;max-height:calc(100vh - 28px);background:var(--panel-bg);border:1px solid var(--panel-border);border-radius:10px;color:var(--text);backdrop-filter:blur(12px);mix-blend-mode:luminosity;display:flex;flex-direction:column;z-index:10}.panel-header{display:flex;align-items:center;justify-content:space-between;padding:10px 14px;border-bottom:1px solid var(--panel-border)}.panel-title{font-size:11px;letter-spacing:2px;text-transform:uppercase;color:var(--accent);display:flex;align-items:center}.panel-logo{display:inline-flex;color:var(--text)}.panel-logo svg{width:64px;height:auto;display:block}.panel-toggle{background:none;border:1px solid var(--panel-border);border-radius:4px;color:var(--text-dim);width:24px;height:24px;cursor:pointer;font-size:14px;line-height:1}.panel-toggle:hover{color:var(--text);border-color:var(--accent)}.tab-container{display:flex;min-height:0}.tab-nav{display:flex;flex-direction:column;gap:2px;padding:8px 4px;border-right:1px solid var(--panel-border);flex:0 0 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