:root{--account-ink:#23342e;--account-primary:#244d40;--account-muted:#5e6e66;--account-line:#dbe4de;--account-bg:#eef3ef;--account-gold:#edbd51;--account-ink-soft:#3d5249;--account-sprout-ink:#2a7a48;--account-sprout-soft:#e3f2e7;--account-amber:#e0913f;--account-amber-ink:#8a5418;--account-amber-soft:#fdf0e1;--account-font:ui-rounded,'SF Pro Rounded',-apple-system,BlinkMacSystemFont,'PingFang SC','Microsoft YaHei',sans-serif}*{box-sizing:border-box}[hidden]{display:none!important}.account-body{margin:0;background:var(--account-bg);color:var(--account-ink);font:16px/1.65 system-ui,-apple-system,sans-serif}.account-shell{max-width:460px;margin:8vh auto;padding:30px;background:white;border:1px solid var(--account-line);border-radius:24px}.account-shell h1{font-size:27px;margin:4px 0 12px}.account-muted{color:var(--account-muted)}.account-form{display:grid;gap:16px}.account-form label{display:grid;gap:5px;font-weight:600}.account-form input,.account-form select,.admin-filters 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40px}.admin-header{display:grid;grid-template-columns:auto minmax(0,1fr) auto;grid-template-areas:"mark title links" "mark who who";align-items:center;gap:0 12px;margin-bottom:16px}.admin-mark{grid-area:mark;align-self:start;width:40px;height:40px;margin-top:2px}.admin-header h1{grid-area:title;margin:0;font-size:22px;line-height:1.3;font-weight:750;letter-spacing:-.3px}.admin-who{grid-area:who;margin:2px 0 0;font-size:14px;color:var(--account-muted);overflow-wrap:anywhere}.admin-links{grid-area:links;display:flex;align-items:center;gap:4px}.admin-links a{padding:10px 8px;color:var(--account-primary);font-size:15px;font-weight:650;text-decoration:none;white-space:nowrap}.admin-links a:hover{text-decoration:underline}.admin-button,.admin-primary{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:8px 14px;border:0;border-radius:12px;background:var(--account-bg);color:var(--account-ink-soft);font:inherit;font-size:15px;font-weight:650;white-space:nowrap;cursor:pointer}.admin-primary{background:var(--account-primary);color:#fff}.admin-button:hover{background:var(--account-line)}.admin-button:disabled,.admin-primary:disabled{opacity:.55;cursor:wait}.admin-body .account-status{margin:0 0 16px;font-size:15px}.admin-body .account-status:empty{display:none}.admin-body .account-status.account-success{padding:12px 16px;border-radius:14px;background:var(--account-sprout-soft)}.admin-body .account-status.account-error{padding:12px 16px;border-radius:14px;background:var(--account-amber-soft)}.admin-body #admin-retry{margin:0 0 16px}.admin-tabs{display:grid;grid-template-columns:repeat(3,1fr);gap:6px;margin:0 0 20px;padding:4px;border-radius:16px;background:var(--account-bg)}.admin-tabs a{display:flex;align-items:center;justify-content:center;min-height:46px;padding:9px 6px;border-radius:12px;color:var(--account-muted);font-size:15px;font-weight:650;text-decoration:none}.admin-tabs a[aria-current="page"]{background:#fff;color:var(--account-primary);box-shadow:0 1px 4px rgb(35 52 46 / .12)}.admin-card-head{display:flex;align-items:flex-start;justify-content:space-between;gap:12px;margin-bottom:12px}.admin-card h2{margin:0;font-size:20px;line-height:1.35;font-weight:750}.admin-count{margin:2px 0 0;font-size:14px;color:var(--account-muted)}.admin-tools{display:flex;flex-wrap:wrap;justify-content:flex-end;gap:8px}.admin-users{border-top:1px solid var(--account-line)}.admin-user{display:grid;grid-template-columns:minmax(0,1fr) auto;grid-template-areas:"name name" "login actions";align-items:center;gap:8px 12px;padding:14px 0;border-bottom:1px solid var(--account-line)}.admin-user p{margin:0}.admin-user-name{grid-area:name;min-width:0}.admin-user-name strong{margin-right:8px;font-size:17px;font-weight:700}.admin-user.is-off strong{color:var(--account-muted)}.admin-username{font-size:14px;color:var(--account-muted);overflow-wrap:anywhere}.admin-user-login{grid-area:login;font-size:14px;color:var(--account-muted)}.admin-user-login time{color:var(--account-ink-soft)}.admin-actions{grid-area:actions;display:flex;justify-content:flex-end;gap:8px}.admin-tag{display:inline-block;margin:2px 6px 2px 0;padding:0 9px;border-radius:999px;background:var(--account-bg);color:var(--account-ink-soft);font-size:13px;font-weight:650;line-height:24px;vertical-align:2px;white-space:nowrap}.admin-tag.is-admin{background:var(--account-sprout-soft);color:var(--account-primary)}.admin-tag.is-off{background:var(--account-line);color:var(--account-ink-soft)}.admin-tag.is-alert{background:var(--account-amber-soft);color:var(--account-amber-ink)}.learner-head{display:none}.learner-list{border-top:1px solid var(--account-line)}.learner{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));grid-template-areas:"name name name 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minmax(0,1fr);grid-template-areas:"time what who" ". detail detail";align-items:baseline;gap:2px 10px;padding:12px 0;border-bottom:1px solid var(--account-line);overflow-wrap:anywhere}.audit-event p{margin:0}.audit-time{grid-area:time;color:var(--account-muted);font-variant-numeric:tabular-nums}.audit-what{grid-area:what;font-weight:700}.audit-event.is-alert .audit-what{color:var(--account-amber-ink)}.audit-event.is-alert .audit-what::before{content:'';display:inline-block;width:8px;height:8px;margin-right:7px;border-radius:50%;background:var(--account-amber);vertical-align:2px}.audit-who{grid-area:who;color:var(--account-ink-soft)}.audit-username{font-size:14px;color:var(--account-muted)}.audit-detail{grid-area:detail;font-size:14px;color:var(--account-muted)}.audit-detail span{display:inline-block}.audit-id{grid-area:id}.audit-detail:empty,.audit-id{display:none}.admin-more{display:flex;width:100%;margin-top:16px}.admin-danger{color:#993a2e}.account-dialog{width:calc(100% - 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var(--account-primary);outline-offset:3px}.account-shell.login-shell{padding:0;overflow:hidden}.login-brand{position:relative;margin:0;background:#fff}.login-hero{display:block;width:100%;height:auto;aspect-ratio:3/2;object-fit:cover}.login-name{position:absolute;left:22px;top:50%;translate:0 -50%;margin:0;color:var(--account-primary);font-size:30px;font-weight:800;line-height:1.15;letter-spacing:1px}.login-name span{display:block;margin-top:6px;font-size:14px;font-weight:700;letter-spacing:0;color:var(--account-muted)}.login-mark{display:block;width:44px;height:44px;margin-bottom:10px}.login-main{padding:22px 30px 26px}.login-main h1{margin-top:0}@media(max-width:720px){.login-main{padding:20px 22px 24px}.login-name{left:16px;font-size:26px}.account-shell{margin:20px 16px;padding:24px}}@media(max-width:374px){.admin-header{grid-template-columns:auto minmax(0,1fr);grid-template-areas:"mark title" "mark who" "links 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