:root{--bg:#f4f6fa;--panel:#fff;--border:#e3e7ee;--text:#1f2937;--muted:#6b7280;--accent:#2563eb;--accent-soft:#dbe7ff;--danger:#dc2626;--shadow:0 1px 2px #1018280f, 0 1px 3px #1018281a;--radius:8px;color:var(--text);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Inter,Helvetica,Arial,sans-serif;font-size:14px}*{box-sizing:border-box}html,body,#root{height:100%;margin:0}body{background:var(--bg);overflow:hidden}button,input,select,textarea{font:inherit;color:inherit}.app{height:100%;flex-direction:column;height:100dvh;display:flex}.topbar{background:var(--panel);border-bottom:1px solid var(--border);flex:0 0 52px;align-items:center;gap:6px;min-width:0;padding:0 12px;display:flex}.brand{align-items:center;gap:8px;margin-right:10px;font-weight:700;display:flex}.brand .logo{background:var(--accent);color:#fff;border-radius:7px;place-items:center;width:28px;height:28px;font-size:11px;display:grid}.brand .name{font-size:15px}.brand 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