:root{--bg: #f7f8fa;--card: #ffffff;--border: #e5e7eb;--text: #1f2933;--muted: #6b7280;--primary: #2563eb;--danger: #dc2626}*{box-sizing:border-box}body{margin:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,PingFang SC,Microsoft YaHei,sans-serif;background:var(--bg);color:var(--text)}a{color:var(--primary);text-decoration:none}button{font:inherit;border:1px solid var(--border);background:var(--card);border-radius:8px;padding:6px 12px;cursor:pointer}button.primary{background:var(--primary);color:#fff;border-color:var(--primary)}button.danger{color:var(--danger);border-color:var(--danger)}input{font:inherit;padding:8px 10px;border:1px solid var(--border);border-radius:8px;width:100%}.container{max-width:960px;margin:0 auto;padding:24px}.card{background:var(--card);border:1px solid var(--border);border-radius:12px;padding:20px}.row{display:flex;gap:8px;align-items:center}.spacer{flex:1}.muted{color:var(--muted);font-size:13px}.error{color:var(--danger);font-size:13px}.toolbar{display:flex;gap:8px;align-items:center;margin:16px 0;flex-wrap:wrap}table{width:100%;border-collapse:collapse}th,td{text-align:left;padding:10px 8px;border-bottom:1px solid var(--border);font-size:14px}th{color:var(--muted);font-weight:500}.breadcrumb{font-size:14px;margin-bottom:8px}.badge{font-size:12px;color:var(--muted)}