:root{font-family:'Segoe UI','Microsoft YaHei',sans-serif;color:#24324b;background:#f4f6fa;line-height:1.6}*{box-sizing:border-box}body{margin:0}header{padding:20px 5vw;border-bottom:1px solid #dfe5ef;background:white;display:flex;justify-content:space-between;align-items:center}header b{font-size:21px}header span{font-size:14px;font-weight:400;margin-left:20px;color:#64748b}main{max-width:1140px;margin:40px auto;padding:0 24px}h1{font-size:28px;margin:8px 0 20px}h2{font-size:23px;margin:8px 0}p{margin:8px 0}.card{background:white;border:1px solid #e0e6ef;border-radius:14px;padding:26px;margin-bottom:22px}.auth{max-width:530px;margin:60px auto}.eyebrow{color:#3268db;font-size:13px;font-weight:600}.muted{color:#718096;font-size:13px;overflow-wrap:anywhere}.toolbar{display:flex;align-items:center;gap:16px;margin-bottom:22px}.toolbar>div:first-child,.toolbar h2{flex:1}.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}button,input,select{font:inherit;border-radius:8px;border:1px solid #d5dfed;padding:10px 14px;background:white;color:inherit}button{cursor:pointer}button:hover{border-color:#3268db}button:disabled{opacity:.5;cursor:wait}.primary{background:#2964d9;color:white;border:0}label{display:block;font-size:14px;margin:16px 0}input{display:block;width:100%;margin-top:6px}nav{display:flex;gap:8px}#submitAuth{width:100%;margin-top:20px}#notice{color:#ab422a;white-space:pre-wrap}table{width:100%;border-collapse:collapse}td,th{text-align:left;padding:12px 8px;border-bottom:1px solid #e5eaf2;font-size:14px}td button{padding:5px 9px;margin:3px}#members{overflow:auto}[hidden]{display:none!important}@media(max-width:700px){.cards{grid-template-columns:1fr;gap:0}.toolbar{flex-wrap:wrap}.auth{margin:15px auto}.card{padding:20px}header span{display:none}main{padding:0 15px;margin-top:24px}}
:root{--sf-primary:#2563eb;--sf-ink:#182230;--sf-muted:#596579;--sf-line:#dce2ea}
button:focus-visible,input:focus-visible,select:focus-visible{outline:3px solid #93b4fa;outline-offset:2px}
nav button[aria-pressed="true"]{background:#eaf1ff;border-color:#9bb9f4;color:#164fb8;font-weight:600}
dialog{width:min(440px,calc(100vw - 32px));max-height:calc(100dvh - 48px);overflow:auto;border:1px solid #dce2ea;border-radius:16px;padding:28px;color:#182230;box-shadow:0 24px 80px #17223b30}
dialog::backdrop{background:#15223866}
.dialog-actions{display:flex;justify-content:flex-end;gap:10px;margin-top:24px}
#actionError{color:#a62222;font-size:14px;white-space:pre-wrap}
#actionDescription{line-height:1.7}
#actionTitle{font-size:22px;margin-top:0}
/* Account center foundation; selectors stay scoped to this standalone page. */
body{color:#182230;background:#f6f7f9;font-size:14px}
header{padding:16px 32px;gap:12px}header b{margin-right:auto;font-size:19px}header span{color:#596579}
.auth{max-width:440px;margin:48px auto;padding:32px;border-radius:12px;box-shadow:0 8px 28px #18223005}
.auth h1{font-size:26px;line-height:1.35;letter-spacing:0;margin:12px 0}
.auth h1+p{color:#596579;margin-bottom:24px;font-size:14px}
.auth nav{padding:4px;background:#f1f3f6;border-radius:8px;gap:4px}
.auth nav button{flex:1;padding:7px 8px;border:1px solid transparent;background:transparent;font-size:13px}
.auth nav button[aria-pressed="true"]{background:white;border-color:#dce2ea;box-shadow:0 1px 3px #18223008}
.auth input{min-height:40px;padding:8px 12px;border-color:#c6ceda}
.auth .primary{min-height:42px;background:#2563eb;font-weight:600}
.auth label{margin:18px 0;color:#344054}.muted{color:#596579}
.card{border-radius:12px}.cards{gap:16px}
#notice:not(:empty){padding:12px 16px;border:1px solid #cbd9f0;border-radius:8px;background:#eef4ff;color:#25466e;margin-bottom:16px}
#sessionPanel p{overflow-wrap:anywhere}#sessionPanel button{margin-top:6px}
.security-dialog{width:540px;max-width:calc(100vw - 32px);max-height:90vh;overflow:auto}.security-dialog details{margin:24px 0;padding-top:16px;border-top:1px solid #e0e5ed}.security-dialog details button{display:block;margin-top:12px;color:#a52828}.security-dialog [role=alert]{color:#a52828}.security-dialog summary{cursor:pointer;color:#923b3b}
@media(max-width:700px){header{padding:14px 16px;flex-wrap:wrap}.auth{padding:24px;margin:24px auto}.toolbar{gap:10px}.toolbar select{max-width:100%}}
.recovery-link{text-align:center;padding:0 16px 24px}.toolbar{flex-wrap:wrap}.node-create,.node-actions{display:flex;align-items:center;gap:12px;flex-wrap:wrap}.node-create input{width:min(340px,100%);margin:0}.node-actions select{max-width:100%;min-width:0}.node-item{padding:16px 0;border-top:1px solid #e5eaf2}.node-item h3{margin:0 0 6px}#nodePanel [role=alert]{color:#a52828}#nodePanel button{margin:6px 0}