:root{--color-bg: #f5f6f8;--color-surface: #ffffff;--color-text: #1f2933;--color-muted: #6b7280;--color-border: #e5e7eb;--color-primary: #1f5fbf;--color-transfer: #2f6fd6;--color-label: #d62f2f;--color-vab: #2fa64f;--color-label-ot: #7c4dbf}*{box-sizing:border-box}html,body{margin:0;height:100%}body{font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif;font-size:14px;color:var(--color-text);background:var(--color-bg)}h1,h2{font-weight:600;margin:0}button{font:inherit;cursor:pointer}.panel{background:var(--color-surface);border:1px solid var(--color-border);border-radius:8px;padding:1rem 1.25rem}