:root{font-family:Inter,Segoe UI,Microsoft YaHei,sans-serif;color:#202b40;background:#f5f7fb;font-synthesis:none;font-size:15px}*{box-sizing:border-box}body{margin:0}button,input{font:inherit}button{min-height:48px;border:0;border-radius:10px;padding:0 24px;background:#315fe9;color:#fff;font-weight:600;cursor:pointer;touch-action:manipulation}button:hover:not(:disabled){background:#254ac1}button:disabled{background:#e6eaf1;color:#929bad;cursor:not-allowed}button:focus-visible,input:focus-visible{outline:3px solid #9fb5ff;outline-offset:3px}[hidden]{display:none!important}#app{height:100vh;height:100dvh;display:flex;flex-direction:column;padding-top:env(safe-area-inset-top);padding-left:env(safe-area-inset-left);padding-right:env(safe-area-inset-right)}header{height:76px;flex-shrink:0;display:flex;align-items:center;gap:14px;padding:0 28px;background:#fff;border-bottom:1px solid #e5e9f1}.brand{display:grid;place-items:center;background:#315fe9;color:#fff;font-weight:700;font-size:24px;width:40px;height:44px;border-radius:10px}.heading{display:flex;flex-direction:column;gap:6px;min-width:0;flex:1}.heading strong{font-size:16px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.heading span{font-size:11px;letter-spacing:1px;color:#8993a4}.badge{font-size:12px;color:#57719c;background:#f0f4fa;border:1px solid #e3eaf4;padding:7px 12px;border-radius:20px;white-space:nowrap}main{flex:1;min-height:0;position:relative;overflow:auto;display:grid;place-items:center;padding:28px}main:has(#editor-shell:not([hidden])){padding:0}#editor-shell{width:100%;height:100%;position:absolute;inset:0}#editor-shell iframe{border:0;display:block}.card{width:min(640px,100%);background:#fff;border:1px solid #e3e8f0;border-radius:20px;padding:38px;box-shadow:0 16px 48px #213c6710}.eyebrow{font-size:11px;color:#315fe9;letter-spacing:2px;font-weight:700}h1{font-size:29px;letter-spacing:-1px;margin:16px 0}p{color:#778297;line-height:1.8;margin:0 0 24px}form{display:grid;gap:20px}label{display:grid;gap:9px;font-size:13px;font-weight:600}input{width:100%;min-width:0;background:#fbfcff;border:1px solid #dce2eb;border-radius:8px;min-height:48px;padding:12px;color:#283650}input::placeholder{color:#a3aabb;font-size:13px}.fields{display:grid;grid-template-columns:1fr 1fr;gap:16px}form button{justify-self:start}form button span{margin-left:20px}small{font-size:12px;color:#8993a4;line-height:1.7}.overlay{position:absolute;inset:0;z-index:2;background:#f5f7fbf5;display:flex;align-items:center;justify-content:center;flex-direction:column;padding:30px;text-align:center}.overlay p{max-width:600px;overflow-wrap:anywhere}.overlay h2{font-size:22px}.spinner{width:30px;height:30px;border:3px solid #dce5ff;border-top-color:#315fe9;border-radius:50%;animation:spin 1s linear infinite}footer{flex-shrink:0;min-height:80px;padding:14px 28px calc(14px + env(safe-area-inset-bottom));display:flex;align-items:center;gap:20px;border-top:1px solid #e5e9f1;background:#fff;z-index:3}.status-area{display:flex;align-items:center;gap:9px;flex:1;min-width:0;font-size:12px;color:#718096;line-height:1.6;overflow-wrap:anywhere}.status-dot{width:6px;height:6px;background:#6b8ace;border-radius:50%;flex-shrink:0}#save{min-width:116px}@keyframes spin{to{transform:rotate(360deg)}}@media(max-width:600px){header{padding:0 16px;height:66px}main{padding:16px}.card{padding:24px}h1{font-size:24px}.fields{grid-template-columns:1fr}footer{padding-left:16px;padding-right:16px;gap:12px}#save{min-width:88px}.badge{padding:6px 8px}}@media(prefers-reduced-motion:reduce){.spinner{animation:none}}