:root{color-scheme:dark;--bg: #0c0e13;--panel: #131722;--panel-alt: #181d2b;--border: #252c3f;--border-strong: #35405c;--text: #eef2ff;--muted: #93a1be;--accent: #3b82f6;--accent-strong: #2563eb;--accent-soft: rgba(59, 130, 246, .16);--success: #10b981;--warn: #f59e0b;--danger: #ef4444;--radius: 10px;font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif}*{box-sizing:border-box}html,body,#root{margin:0;width:100%;height:100%;overflow:hidden;background:var(--bg);color:var(--text)}button,input,select,textarea{font:inherit;color:inherit}.studio-shell{display:grid;grid-template-rows:52px minmax(0,1fr);height:100%;width:100%}.topbar{display:flex;align-items:center;justify-content:space-between;padding:0 16px;background:var(--panel);border-bottom:1px solid 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