[hidden]{display:none!important}.auth-brand{display:flex;gap:12px;align-items:center;font-size:23px;font-weight:700;text-decoration:none;color:var(--text)}.auth-brand svg{width:34px;height:34px;fill:none;stroke:currentColor;stroke-width:2.4;stroke-linecap:round;stroke-linejoin:round}.login-page{padding:0!important;min-height:100dvh;background:var(--bg)}.login-top{display:flex;justify-content:space-between;align-items:center;max-width:1400px;margin:auto;padding:32px 48px}.login-top button{background:transparent;color:var(--muted);font-size:13px}.login-layout{display:grid;grid-template-columns:1fr 430px;gap:100px;align-items:center;max-width:1150px!important;margin:40px auto!important;padding:20px 38px!important;min-height:650px}.eyebrow{font-size:11px;letter-spacing:.18em!important;color:var(--muted)}.login-intro h1{font-size:62px;line-height:1.2;font-weight:620;margin:24px 0}.login-intro p{font-size:16px;color:var(--muted);line-height:1.9}.login-art{max-width:360px;color:var(--muted);margin-top:20px;opacity:.7}.login-art svg{width:100%;height:245px}.login-art span{display:block;text-align:center;font-size:10px;letter-spacing:.2em!important}.login-card{padding:36px;border:1px solid var(--line);border-radius:22px;background:var(--panel);box-shadow:0 20px 60px #0001}.status-pill{display:inline-block;border:1px solid var(--line);border-radius:20px;padding:4px 10px;font-size:11px;color:var(--muted)}.login-card h2{font-size:30px;margin:24px 0 8px}.login-card p.muted{margin:0 0 30px;font-size:14px}.login-card form{display:grid;gap:10px}.login-card input:not([type=checkbox]){width:100%;height:48px;padding:12px 14px;border-radius:10px}.login-card label{font-size:13px;margin-top:8px}.password-field{position:relative}.password-field input{padding-right:64px!important}.password-field button{position:absolute;right:8px;top:7px;border:0;background:transparent;color:var(--muted);font-size:12px}.check-row{display:flex;align-items:center;gap:8px;color:var(--muted)}.check-row input{width:16px;height:16px;margin:0}.login-submit{width:100%;min-height:49px;border-radius:10px;display:flex;justify-content:space-between;align-items:center;margin-top:2px;font-weight:600}#message{color:var(--bad);min-height:22px;font-size:13px;margin:0}.login-foot{font-size:12px;color:var(--muted);line-height:1.9;margin-top:26px;padding-top:22px;border-top:1px solid var(--line)}.login-copyright{text-align:center;color:var(--muted);font-size:12px;padding:24px}.admin-main{max-width:1260px!important;margin:28px auto!important;padding:0 22px!important}.admin-heading{display:flex;justify-content:space-between;align-items:center;gap:20px;margin:28px 0}.admin-heading h1{font-size:26px;margin:0 0 5px}.admin-heading p{color:var(--muted);margin:0}.admin-grid{display:grid;grid-template-columns:200px minmax(0,1fr);gap:24px}.admin-sidebar{display:flex;flex-direction:column;gap:8px;align-self:start;padding:14px;border:1px solid var(--line);border-radius:14px;background:var(--panel);position:sticky;top:84px}.admin-sidebar button{text-align:left;padding:12px 16px;background:transparent;border-color:transparent}.admin-sidebar button[aria-selected=true]{background:var(--accent-soft);border-color:var(--line)}.admin-panel{min-width:0;background:var(--panel);border:1px solid var(--line);border-radius:16px;padding:28px}.admin-panel h2{font-size:19px;margin:0}.admin-panel p{color:var(--muted)}.admin-toolbar{display:flex;align-items:center;justify-content:space-between;gap:14px;margin-bottom:22px;flex-wrap:wrap}.admin-toolbar input{padding:10px 12px;min-width:200px}.admin-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin:22px 0}.admin-stat{padding:22px;background:var(--surface);border:1px solid var(--line);border-radius:12px}.admin-stat span{color:var(--muted);font-size:13px}.admin-stat strong{font-size:31px;display:block;margin-top:5px}.admin-note{padding:18px 20px;border:1px solid var(--line);border-radius:12px;margin-top:18px;line-height:1.8}.admin-note p{margin:6px 0 0}.table-scroll{overflow:auto}.admin-table{width:100%;border-collapse:collapse;white-space:nowrap;text-align:left;font-size:13px}.admin-table th{font-size:12px;color:var(--muted);font-weight:500;padding:12px;border-bottom:1px solid var(--line)}.admin-table td{padding:16px 12px;border-bottom:1px solid var(--line)}.admin-table td small{display:block;color:var(--muted);margin-top:4px}.admin-table td button{font-size:12px;margin:2px}.admin-table td:first-child{white-space:normal;min-width:160px;overflow-wrap:anywhere}.admin-pill{font-size:12px;color:var(--ok)}.admin-pill.off{color:var(--muted)}.admin-form{display:grid;gap:16px;max-width:460px;margin:24px 0}.admin-form label{display:grid;gap:8px;font-size:13px}.admin-form input,.admin-form select{width:100%;padding:12px;min-height:46px}.admin-form .primary{min-height:44px}.admin-message{min-height:24px;color:var(--muted);margin:0 0 16px}.admin-message.error{color:var(--bad)}.admin-dialog{width:min(480px,92vw);padding:28px;background:var(--panel);color:var(--text);border:1px solid var(--line);border-radius:16px}.admin-dialog::backdrop{background:#0008;backdrop-filter:blur(3px)}.admin-dialog h2{font-size:20px;margin:0}.admin-dialog .admin-form{margin-bottom:0}.dialog-actions{display:flex;justify-content:flex-end;gap:10px}.account-nav{display:flex;gap:6px;align-items:center}.account-nav a{font-size:12px;text-decoration:none;white-space:nowrap;padding:5px 8px}.account-nav button{font-size:12px;padding:5px 8px}.admin-empty{padding:36px;color:var(--muted);text-align:center}@media(max-width:950px){.login-layout{gap:36px;grid-template-columns:1fr 400px}.login-intro h1{font-size:46px}.admin-grid{grid-template-columns:160px minmax(0,1fr)}}@media(max-width:860px){.login-top{padding:24px}.login-layout{display:block;min-height:0;margin:12px auto!important;padding:12px 22px!important;max-width:470px!important}.login-intro{display:none}.login-card{padding:28px}.login-copyright{padding:24px}.admin-main{padding:0 10px!important}.admin-heading{margin:20px 0}.admin-heading h1{font-size:23px}.admin-grid{display:block}.admin-sidebar{position:static;flex-direction:row;overflow:auto;margin-bottom:16px;padding:6px}.admin-sidebar button{white-space:nowrap;padding:9px 12px}.admin-panel{padding:20px 16px}.admin-stats{gap:8px}.admin-stat{padding:14px 10px}.admin-stat strong{font-size:25px}.account-nav a,.account-nav button{padding:4px}.admin-heading p{font-size:13px}}

.admin-message:empty{display:none}.admin-sidebar>a{padding:10px 14px;font-size:12px;text-decoration:none;color:var(--muted)}

@media(max-width:860px){.admin-sidebar{align-items:center}.admin-sidebar>*{flex:0 0 auto;white-space:nowrap}.admin-sidebar>a{padding:9px 12px}}

.table-mobile-hint{display:none}@media(max-width:600px){.admin-sidebar button{flex:1;min-width:0;padding:9px 8px;font-size:13px}.admin-sidebar>a{display:none}.table-mobile-hint{display:block;font-size:12px;color:var(--muted);margin:0 0 12px}}

#admin-models iframe{display:block;width:100%;height:calc(100dvh - 255px);min-height:420px;border:0;background:var(--panel);border-radius:10px}.admin-panel:has(#admin-models:not([hidden])){padding:12px}.admin-main{width:100%;min-width:0}.admin-sidebar button[hidden]{display:none!important}@media(max-width:600px){.admin-sidebar button{flex:0 0 auto;min-width:max-content}#admin-models iframe{height:calc(100dvh - 320px);min-height:480px}.admin-panel:has(#admin-models:not([hidden])){padding:4px}}

.appearance-options{display:flex;flex-wrap:wrap;gap:18px;margin-top:24px}.appearance-options button{display:grid;gap:10px;min-width:200px;text-align:left;padding:16px}.appearance-options small{color:var(--muted)}.theme-sample{display:block;height:95px;border:1px solid var(--border);border-radius:8px}.theme-sample.dark{background:linear-gradient(90deg,#202123 25%,#34373b 25%,#34373b 78%,#292b2e 78%)}.theme-sample.light{background:linear-gradient(90deg,#f0f1f3 25%,#fff 25%,#fff 78%,#e3e6ea 78%)}

#admin-models{scroll-margin-top:80px}.admin-main:has(#admin-models:not([hidden])) .admin-heading{margin-block:18px}

/* 后台「AI 账号」页底部的对话测试：常驻 iframe（切标签不重载，聊天记录在 IndexedDB 里） */
#admin-chat iframe{width:100%;height:min(560px,70vh);border:1px solid rgba(128,128,128,.3);border-radius:10px;background:transparent;display:block}