:root{--cd-bg: #f4f5f7;--cd-surface: #ffffff;--cd-border: #dcdfe6;--cd-text: #1f2329;--cd-text-muted: #6b7280;--cd-primary: #c8102e;--cd-primary-hover: #a50d26;--cd-danger: #d03050;--cd-radius: 6px;--cd-on-primary: #fff;--cd-btn-ghost-hover: #f0f1f3;--cd-ops-nav-bg: #1f2329;--cd-ops-nav-text: #e8eaed;--cd-ops-nav-muted: #8b9199;--cd-ops-nav-hover: #2c313a}*{box-sizing:border-box}html,body{margin:0;padding:0;height:100%}body{background:var(--cd-bg);color:var(--cd-text);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,PingFang SC,Microsoft YaHei,Hiragino Sans GB,sans-serif;font-size:14px;line-height:1.6}#app{height:100%}.cd-input{width:100%;padding:8px 10px;border:1px solid var(--cd-border);border-radius:var(--cd-radius);background:var(--cd-surface);color:var(--cd-text);font-size:14px;font-family:inherit}.cd-input:focus{outline:none;border-color:var(--cd-primary)}.cd-btn{padding:8px 16px;border:1px solid transparent;border-radius:var(--cd-radius);background:var(--cd-primary);color:var(--cd-on-primary);font-size:14px;font-family:inherit;cursor:pointer}.cd-btn:hover:not(:disabled){background:var(--cd-primary-hover)}.cd-btn:disabled{opacity:.55;cursor:not-allowed}.cd-btn--ghost{background:transparent;border-color:var(--cd-border);color:var(--cd-text)}.cd-btn--ghost:hover:not(:disabled){background:var(--cd-btn-ghost-hover)}.cd-field{margin-bottom:14px}.cd-label{display:block;margin-bottom:6px;color:var(--cd-text-muted);font-size:13px}.cd-error{margin:10px 0 0;color:var(--cd-danger);font-size:13px}