:root{--color-bg: #f4f5f7;--color-panel: #ffffff;--color-border: #d8dbe0;--color-header: #1b1712;--color-header-text: #f3ead2;--color-accent: #c9a227;--color-accent-hover: #b28f22;--color-accent-text: #1b1712;--color-text: #232830;--color-text-muted: #6b7480;--color-danger: #c0392b;--radius: 4px;font-family:Segoe UI,system-ui,-apple-system,Noto Sans,DejaVu Sans,sans-serif}*{box-sizing:border-box}html,body,#root{height:100%;margin:0}body{background:var(--color-bg);color:var(--color-text)}.app-shell{display:flex;flex-direction:column;height:100vh}.app-header{background:var(--color-header);color:var(--color-header-text);padding:10px 16px;display:flex;align-items:baseline;gap:12px;flex-shrink:0}.app-header h1{font-size:16px;font-weight:600;margin:0;letter-spacing:.02em;text-transform:uppercase}.app-header__project{font-size:15px;font-weight:600;color:#cbb98a}.app-body{flex:1;display:grid;grid-template-columns:260px 1fr 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