:root{--bg:#f5f7fb;--ink:#182638;--muted:#64748b;--line:#dce3ed;--blue:#315bc5;--pale:#eef3ff;--red:#b3343d;--radius:12px}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--ink);font:15px/1.55 -apple-system,BlinkMacSystemFont,"Segoe UI","Microsoft YaHei",sans-serif}
header{height:72px;background:#fff;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;padding:0 max(24px,calc((100vw - 1080px)/2))}
.wordmark{font-size:19px;font-weight:750;color:var(--ink);text-decoration:none}
.header-actions{display:flex;align-items:center;gap:16px;font-size:14px}
main{max-width:1128px;padding:36px 24px;margin:auto;min-height:calc(100vh - 128px)}
h1{font-size:26px;letter-spacing:-.5px;margin:4px 0 8px}
h2{font-size:17px;margin:0 0 12px}
p{margin:8px 0 16px}
.eyebrow{color:var(--blue);font-size:12px;font-weight:700;letter-spacing:1px}
.muted,.hint{color:var(--muted)}
.hint{font-size:12px;margin:5px 0 16px}
.auth-card{max-width:430px;background:#fff;border:1px solid var(--line);border-radius:16px;padding:32px;margin:48px auto;box-shadow:0 12px 35px #18263806}
label{display:block;font-size:13px;font-weight:600;margin:16px 0 7px}
input,select,textarea{width:100%;border:1px solid #bdc9d9;border-radius:7px;background:#fff;padding:11px 12px;font:inherit;color:var(--ink);min-height:44px}
input:focus,select:focus,textarea:focus,button:focus-visible,a:focus-visible,summary:focus-visible{outline:3px solid #7194ed;outline-offset:2px}
button,.button{font:inherit;font-size:14px;border:1px solid var(--line);border-radius:7px;background:#fff;color:var(--ink);min-height:44px;padding:10px 17px;cursor:pointer;display:inline-flex;align-items:center;justify-content:center;text-decoration:none;white-space:nowrap;transition:background .15s}
button:hover,.button:hover{background:#edf1f7}
.primary{background:var(--blue);color:#fff;border-color:var(--blue)}
.primary:hover{background:#254caa}
.wide{width:100%;margin-top:16px}
button:disabled{opacity:.5;cursor:wait}
.tabs{display:flex;gap:8px;border-bottom:1px solid var(--line);margin:24px 0 20px}
.tabs button{border:0;border-radius:0;border-bottom:3px solid transparent;background:transparent;min-width:80px}
.tabs button[aria-selected=true]{color:var(--blue);font-weight:700;border-bottom-color:var(--blue)}
.footnote{text-align:center;margin:20px 0 0}
.page-heading,.card-heading,.toolbar,.pagination{display:flex;align-items:center;justify-content:space-between;gap:16px}
.page-heading{margin-bottom:22px}
.account-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:22px}
.card-heading h2{margin:0}
.big-date{font-size:27px;font-weight:700;margin:18px 0 0}
.account-details{margin:18px 0 0}
.account-details div{display:grid;grid-template-columns:92px 1fr;align-items:baseline;padding:8px 0;border-top:1px solid var(--line)}
.account-details div:first-child{border-top:0}
.account-details dt{color:var(--muted);font-size:13px}
.account-details dd{margin:0;font-weight:650}
.account-details div:last-child dd{font-size:20px;color:var(--blue)}
.badge{font-size:12px;border-radius:20px;background:var(--pale);color:var(--blue);padding:4px 10px;white-space:nowrap}
.badge.off{background:#fff0ed;color:#a54432}
.divider{border-top:1px solid var(--line);margin:20px 0}
.input-action{display:flex;align-items:center;gap:8px}
.input-action input{min-width:0}
.input-action label{white-space:nowrap;margin:0}
.password-card{margin:20px 0 40px}
.password-card summary{cursor:pointer;font-weight:600}
.password-grid{display:grid;grid-template-columns:1fr 1fr auto;gap:16px;align-items:end}
.metrics{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.metric{background:#fff;border:1px solid var(--line);border-radius:10px;padding:18px}
.metric span{display:block;color:var(--muted);font-size:13px}
.metric strong{font-size:30px;line-height:1.8}
.toolbar{margin-bottom:18px}
.toolbar h2{margin:0}
.toolbar .hint{margin-bottom:0}
.toolbar form{max-width:360px}
#code-count{width:80px}
.table-wrap{overflow:auto}
table{width:100%;border-collapse:collapse;text-align:left;white-space:nowrap;font-size:13px}
th{font-size:12px;color:var(--muted);font-weight:600;background:#f8fafc}
th,td{padding:12px;border-bottom:1px solid #edf0f5}
td button{font-size:12px;min-height:36px;padding:6px 12px;color:var(--blue)}
.pagination{margin-top:18px;color:var(--muted);font-size:13px}
.pagination button{margin-left:8px}
.new-codes{background:var(--pale);border:1px solid #c8d7fa;padding:18px;border-radius:8px;margin:0 0 24px}
.new-codes textarea{font-family:Consolas,monospace;font-size:13px}
.notice{position:fixed;bottom:24px;left:50%;transform:translateX(-50%);background:#19283a;color:#fff;max-width:calc(100% - 40px);padding:13px 22px;border-radius:9px;box-shadow:0 8px 30px #18263822;z-index:10}
.notice.error{background:#982a35}
dialog{border:1px solid var(--line);border-radius:14px;padding:26px;width:440px;max-width:calc(100vw - 32px)}
dialog::backdrop{background:#172b4a55}
footer{text-align:center;font-size:12px;color:var(--muted);padding:18px}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0)}
[hidden]{display:none!important}
@media(max-width:700px){header{padding:0 18px}
main{padding:24px 16px}
.auth-card{padding:24px;margin:20px auto}
.account-grid{grid-template-columns:1fr}
.metrics{grid-template-columns:1fr 1fr;gap:10px}
.password-grid{grid-template-columns:1fr}
.toolbar{align-items:flex-start;flex-direction:column}
.toolbar form{max-width:100%;width:100%}
.card{padding:18px}
.page-heading h1{font-size:22px}
.page-heading .button{padding:10px 12px}
.header-actions{gap:10px}
}
@media(prefers-reduced-motion:reduce){*{transition:none!important}
}