:root{color-scheme:light;--bg:#f4f7fb;--surface:#fff;--text:#182230;--muted:#64748b;--line:#dbe3ee;--accent:#2563eb;--danger:#b42318}*{box-sizing:border-box}body{margin:0;font:15px/1.5 system-ui,-apple-system,"Segoe UI",sans-serif;background:var(--bg);color:var(--text)}header{display:flex;align-items:center;justify-content:space-between;padding:24px max(20px,calc((100% - 1240px)/2));background:var(--surface);border-bottom:1px solid var(--line)}h1,h2,p{margin:0}h1{font-size:23px}h2{font-size:16px;margin-bottom:12px}header p,.empty{color:var(--muted);font-size:13px}.login,.layout,.status{max-width:1240px;margin-left:auto;margin-right:auto}.login{margin-top:20px;padding:18px;background:var(--surface);border:1px solid var(--line);border-radius:14px}.tabs{display:flex;gap:8px;margin-bottom:12px}input,textarea,button{font:inherit}input,textarea{width:100%;padding:10px 12px;border:1px solid var(--line);border-radius:8px;background:var(--surface);color:var(--text)}textarea{min-height:110px;resize:vertical}button{padding:9px 12px;border:1px solid var(--line);border-radius:8px;background:var(--surface);color:var(--text);cursor:pointer}button:hover{border-color:var(--accent)}button.active,button:not(.icon-button):not(.account):not(.mail):last-child{background:var(--accent);border-color:var(--accent);color:#fff}.icon-button{font-size:18px}.status{min-height:24px;padding:10px 0}.status.error{color:var(--danger)}.status.success{color:#087443}.layout{display:grid;grid-template-columns:minmax(190px,1fr) minmax(240px,1.25fr) minmax(360px,2.4fr);gap:16px;padding:0 0 24px}.box{min-width:0;min-height:460px;padding:18px;background:var(--surface);border:1px solid var(--line);border-radius:14px}.account,.mail{display:block;width:100%;margin-bottom:7px;text-align:left;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.mail{border:0;border-bottom:1px solid var(--line);border-radius:0}.mail:hover{background:#eff6ff}.empty{padding:14px 0}iframe{width:100%;height:390px;margin-top:14px;border:1px solid var(--line);border-radius:8px;background:#fff}pre{white-space:pre-wrap;word-break:break-word}.dark{color-scheme:dark;--bg:#0f172a;--surface:#172033;--text:#e5edf8;--muted:#9aa9bd;--line:#2e3a50}.dark .mail:hover{background:#223555}@media(max-width:850px){.login,.status,.layout{margin-left:16px;margin-right:16px}.layout{grid-template-columns:1fr}.box{min-height:auto}iframe{height:420px}}@media(max-width:480px){header{padding:18px 16px}.tabs{flex-wrap:wrap}}
/* 单个登录 */
#single {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
}

#single input {
    width: 280px;
    max-width: 100%;
}

#single button {
    width: auto;
}