:root{
  --bg:#F6F4F1;
  --card:#FFFFFF;
  --text:#0B1F36;
  --muted:#5C6673;
  --border:#E6E1DB;
  --brand:#DAD2CA;
  --brand-strong:#B8B6AB;
  --danger:#B42318;
}
*{box-sizing:border-box}
html,body{height:100%}
body{margin:0;font-family:ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial;background:var(--bg);color:var(--text)}
.header{max-width:980px;margin:32px auto 0;padding:0 20px;display:flex;align-items:center;justify-content:space-between;gap:12px}
.brand{display:flex;align-items:center;gap:14px;min-width:0}
.brand img{height:38px;width:auto;display:block}
.brand .title{font-weight:700;letter-spacing:.2px}
.brand .subtitle{margin-top:2px;color:var(--muted);font-size:13px}
.container{max-width:980px;margin:18px auto 40px;padding:0 20px}
.card{background:var(--card);border:1px solid var(--border);border-radius:16px;padding:22px;box-shadow:0 8px 24px rgba(11,31,54,.06)}
h1{font-size:22px;margin:0 0 8px}
p{margin:0 0 14px;color:var(--muted);line-height:1.45}
label{display:block;font-size:13px;color:var(--muted);margin:14px 0 8px}
input,textarea{width:100%;padding:12px;border-radius:12px;border:1px solid var(--border);background:#fff;color:var(--text);font-size:14px;outline:none}
textarea{min-height:92px;resize:vertical}
.row{display:grid;grid-template-columns:1fr 1fr;gap:14px}
@media (max-width:720px){.row{grid-template-columns:1fr}}
.actions{margin-top:16px;display:flex;gap:12px;align-items:center;flex-wrap:wrap}
.btn{border:0;border-radius:12px;padding:12px 14px;font-weight:600;cursor:pointer;text-decoration:none;display:inline-flex;align-items:center}
.btn-primary{background:var(--text);color:var(--bg)}
.btn-primary:hover{opacity:.92}
.btn-secondary{background:transparent;color:var(--text);border:1px solid var(--border)}
.badge{display:inline-flex;align-items:center;gap:8px;padding:8px 10px;border-radius:999px;background:rgba(218,210,202,.35);border:1px solid rgba(218,210,202,.65);color:var(--text);font-size:12px}
hr{border:0;border-top:1px solid var(--border);margin:18px 0}
.code{font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,"Liberation Mono","Courier New",monospace;background:rgba(218,210,202,.25);border:1px solid rgba(218,210,202,.5);padding:10px 12px;border-radius:12px;word-break:break-all}
.small{font-size:12px;color:var(--muted)}
.notice{margin-top:14px;padding:12px 14px;border-radius:12px;background:#fff;border:1px solid var(--border)}
.notice b{color:var(--text)}
.error{color:var(--danger)}
.footer{max-width:980px;margin:0 auto 32px;padding:0 20px;color:var(--muted);font-size:12px}