*,*::before,*::after{box-sizing:border-box}
:root{
  --bg:#F7F5FA;--surface:#FFFFFF;--surface-2:#F1EDF6;--surface-3:#E9E4F0;
  --text:#1B1720;--text-2:#5A5364;--text-3:#847B90;--line:#DED8E7;--line-2:#CFC7DB;
  --primary:#5B3FD6;--primary-hover:#4A31BE;--on-primary:#fff;--primary-soft:#EDE8FF;--on-primary-soft:#2E1E86;
  --accent:#0E9F8E;--accent-soft:#DDF5F1;
  --ok:#0F7B3F;--ok-soft:#DCF3E3;--warn:#9A6200;--warn-soft:#FCEDD2;--err:#B3261E;--err-soft:#FBE3E1;
  --radius:8px;--radius-sm:6px;--radius-lg:12px;--shadow:0 1px 2px rgba(27,23,32,.08),0 1px 3px rgba(27,23,32,.06);
  --shadow-lg:0 4px 12px rgba(27,23,32,.14);--mono:ui-monospace,SFMono-Regular,"JetBrains Mono",Menlo,Consolas,monospace;
  --sidebar-w:216px;--topbar-h:52px;
}
[data-theme="dark"]{
  --bg:#121016;--surface:#1A1720;--surface-2:#221E2B;--surface-3:#2B2637;
  --text:#E9E4F0;--text-2:#B4ABC2;--text-3:#8B8299;--line:#302A3C;--line-2:#3D3550;
  --primary:#A88BFF;--primary-hover:#BBA3FF;--on-primary:#241155;--primary-soft:#2E2352;--on-primary-soft:#D9CCFF;
  --accent:#4FD1C0;--accent-soft:#123B37;
  --ok:#6FDD9B;--ok-soft:#12361F;--warn:#F2C14E;--warn-soft:#3B2E0C;--err:#FF8A80;--err-soft:#4A1614;
  --shadow:0 1px 2px rgba(0,0,0,.5);--shadow-lg:0 6px 18px rgba(0,0,0,.55);
}
html,body{margin:0;height:100%}
body{background:var(--bg);color:var(--text);font:13px/1.45 system-ui,-apple-system,"Segoe UI",Roboto,"Noto Sans SC",sans-serif;-webkit-font-smoothing:antialiased}
a{color:var(--primary);text-decoration:none}a:hover{text-decoration:underline}
h1,h2,h3,h4{margin:0;font-weight:600}
h1{font-size:19px}h2{font-size:15px}h3{font-size:13.5px}
code,.mono{font-family:var(--mono);font-size:12px}
.muted{color:var(--text-2)}.dim{color:var(--text-3)}
.tiny{font-size:11.5px}
/* layout */
.shell{display:flex;min-height:100vh}
.sidebar{width:var(--sidebar-w);flex:0 0 var(--sidebar-w);background:var(--surface);border-right:1px solid var(--line);display:flex;flex-direction:column;position:sticky;top:0;height:100vh}
.logo-row{display:flex;align-items:center;gap:9px;padding:12px 14px;border-bottom:1px solid var(--line)}
.logo{width:30px;height:30px;flex:0 0 30px}
.logo-name{font-size:15px;font-weight:700;letter-spacing:-.2px;line-height:1.1}
.logo-sub{font-size:10.5px;color:var(--text-3);letter-spacing:.06em;text-transform:uppercase}
.nav{padding:8px 8px;overflow:auto;flex:1}
.nav-group{font-size:10.5px;letter-spacing:.08em;text-transform:uppercase;color:var(--text-3);padding:10px 8px 4px}
.nav a{display:flex;align-items:center;gap:9px;padding:7px 10px;border-radius:var(--radius-sm);color:var(--text-2);font-weight:500;margin-bottom:1px}
.nav a:hover{background:var(--surface-2);text-decoration:none;color:var(--text)}
.nav a.on{background:var(--primary-soft);color:var(--on-primary-soft);font-weight:600}
.nav a svg{width:16px;height:16px;flex:0 0 16px;opacity:.9}
.nav .badge{margin-left:auto;font-size:11px;background:var(--surface-3);color:var(--text-2);padding:0 6px;border-radius:9px;line-height:16px}
.side-foot{border-top:1px solid var(--line);padding:10px 12px;font-size:11.5px;color:var(--text-3)}
.main{flex:1;min-width:0;display:flex;flex-direction:column}
.topbar{height:var(--topbar-h);background:var(--surface);border-bottom:1px solid var(--line);display:flex;align-items:center;gap:10px;padding:0 16px;position:sticky;top:0;z-index:15}
.crumb{font-size:12.5px;color:var(--text-2);display:flex;gap:6px;align-items:center}
.content{padding:14px 16px 40px;max-width:1560px;width:100%;margin:0 auto}
/* surfaces */
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow)}
.card-h{display:flex;align-items:center;gap:8px;padding:9px 12px;border-bottom:1px solid var(--line)}
.card-h h2,.card-h h3{font-size:13px;font-weight:600}
.card-b{padding:12px}
.card-b.tight{padding:0}
.pad{padding:12px}
.row{display:flex;gap:8px;align-items:center;flex-wrap:wrap}
.row.tight{gap:6px}
.spacer{flex:1}
.grid{display:grid;gap:10px}
.g4{grid-template-columns:repeat(4,minmax(0,1fr))}
.g3{grid-template-columns:repeat(3,minmax(0,1fr))}
.g2{grid-template-columns:repeat(2,minmax(0,1fr))}
/* stats */
.stat{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:10px 12px;display:flex;flex-direction:column;gap:2px}
.stat .k{font-size:11px;color:var(--text-3);letter-spacing:.04em;text-transform:uppercase}
.stat .v{font-size:22px;font-weight:700;line-height:1.15;letter-spacing:-.5px}
.stat .s{font-size:11.5px;color:var(--text-2)}
/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;height:32px;padding:0 12px;border-radius:var(--radius-sm);border:1px solid transparent;background:var(--surface-2);color:var(--text);font:inherit;font-weight:550;font-size:12.5px;cursor:pointer;white-space:nowrap}
.btn:hover{filter:brightness(.97);text-decoration:none}
.btn svg{width:15px;height:15px}
.btn-primary{background:var(--primary);color:var(--on-primary)}
.btn-primary:hover{background:var(--primary-hover);filter:none}
.btn-ghost{background:transparent;border-color:var(--line-2);color:var(--text)}
.btn-ghost:hover{background:var(--surface-2)}
.btn-danger{background:var(--err-soft);color:var(--err)}
.btn-sm{height:26px;padding:0 8px;font-size:12px;border-radius:5px}
.btn-icon{width:28px;height:28px;padding:0;border-radius:5px;background:transparent;border:none;color:var(--text-2);cursor:pointer;display:inline-flex;align-items:center;justify-content:center}
.btn-icon:hover{background:var(--surface-2);color:var(--text)}
.btn-icon svg{width:15px;height:15px}
/* forms */
.field{display:flex;flex-direction:column;gap:4px}
.field label{font-size:11.5px;color:var(--text-2);font-weight:500}
input,select,textarea{font:inherit;font-size:12.5px;color:var(--text);background:var(--surface);border:1px solid var(--line-2);border-radius:var(--radius-sm);padding:0 9px;height:32px;outline:none;width:100%}
textarea{height:auto;padding:8px 9px;resize:vertical;font-family:var(--mono);font-size:12px;line-height:1.5}
input:focus,select:focus,textarea:focus{border-color:var(--primary);box-shadow:0 0 0 2px color-mix(in srgb,var(--primary) 22%,transparent)}
input::placeholder,textarea::placeholder{color:var(--text-3)}
.hint{font-size:11px;color:var(--text-3)}
/* tables */
table.tbl{width:100%;border-collapse:collapse;font-size:12.5px}
.tbl th{text-align:left;font-weight:600;font-size:11px;letter-spacing:.04em;text-transform:uppercase;color:var(--text-3);background:var(--surface-2);padding:7px 10px;border-bottom:1px solid var(--line);white-space:nowrap}
.tbl td{padding:6px 10px;border-bottom:1px solid var(--line);vertical-align:middle}
.tbl tr:last-child td{border-bottom:none}
.tbl tbody tr:hover{background:var(--surface-2)}
.tbl .num{text-align:right;font-variant-numeric:tabular-nums}
.tbl.compact td{padding:4px 10px}
.tbl-empty{padding:26px 12px;text-align:center;color:var(--text-3);font-size:12.5px}
/* chips */
.chip{display:inline-flex;align-items:center;gap:4px;height:20px;padding:0 7px;border-radius:5px;font-size:11.5px;font-weight:550;background:var(--surface-3);color:var(--text-2);white-space:nowrap}
.chip.ok{background:var(--ok-soft);color:var(--ok)}
.chip.warn{background:var(--warn-soft);color:var(--warn)}
.chip.err{background:var(--err-soft);color:var(--err)}
.chip.info{background:var(--primary-soft);color:var(--on-primary-soft)}
.chip.accent{background:var(--accent-soft);color:var(--accent)}
.chip.out{background:transparent;border:1px solid var(--line-2)}
.dot{width:6px;height:6px;border-radius:50%;background:currentColor;display:inline-block}
/* type badges */
.rt{display:inline-block;min-width:38px;text-align:center;font-family:var(--mono);font-size:10.5px;font-weight:700;letter-spacing:.03em;padding:1px 5px;border-radius:4px;background:var(--surface-3);color:var(--text-2)}
.rt.A{background:#E3F0FF;color:#0B5CAB}.rt.AAAA{background:#E8E4FF;color:#4B31B8}
.rt.CNAME{background:#E1F6EC;color:#0C6B45}.rt.MX{background:#FFF0D6;color:#8A5A00}
.rt.TXT{background:#F3E8FF;color:#6B2FA0}.rt.NS{background:#E4F4F7;color:#0A5C6B}
.rt.SRV{background:#FDE8EF;color:#9B1B4E}.rt.CAA{background:#EAEAF5;color:#3A3A78}
.rt.SOA{background:#EFEFEF;color:#444}.rt.DS,.rt.DNSKEY{background:#E8F5E9;color:#1B5E20}
.rt.PTR{background:#F0EEE6;color:#5C5343}.rt.OTHER{background:#EFEFEF;color:#555}
[data-theme="dark"] .rt{background:#2B2637;color:#CFC7DB}
[data-theme="dark"] .rt.A{background:#12304F;color:#8CC6FF}[data-theme="dark"] .rt.AAAA{background:#241C4D;color:#BBA3FF}
[data-theme="dark"] .rt.CNAME{background:#0F3A2A;color:#7EE2B8}[data-theme="dark"] .rt.MX{background:#3B2E0C;color:#F2C14E}
[data-theme="dark"] .rt.TXT{background:#2E1B45;color:#D6A8FF}[data-theme="dark"] .rt.NS{background:#0F3540;color:#7FDCE8}
[data-theme="dark"] .rt.SRV{background:#421527;color:#FFA3C2}[data-theme="dark"] .rt.CAA{background:#26264A;color:#B0B0F5}
/* misc */
.toast{position:fixed;right:16px;bottom:16px;z-index:60;display:flex;flex-direction:column;gap:8px}
.toast div{background:var(--surface);border:1px solid var(--line);border-left:3px solid var(--primary);border-radius:var(--radius-sm);padding:9px 12px;box-shadow:var(--shadow-lg);font-size:12.5px;max-width:380px}
.toast div.err{border-left-color:var(--err)}
.empty{padding:32px 12px;text-align:center;color:var(--text-3)}
pre{background:var(--surface-2);border:1px solid var(--line);border-radius:var(--radius-sm);padding:10px;overflow:auto;margin:0;font-family:var(--mono);font-size:11.5px;line-height:1.55}
.kv{display:grid;grid-template-columns:auto 1fr;gap:4px 12px;font-size:12.5px}
.kv dt{color:var(--text-2);white-space:nowrap}.kv dd{margin:0;word-break:break-all}
.tabs{display:flex;gap:2px;border-bottom:1px solid var(--line);margin-bottom:12px}
.tabs a{padding:7px 11px;font-size:12.5px;font-weight:550;color:var(--text-2);border-bottom:2px solid transparent;margin-bottom:-1px}
.tabs a.on{color:var(--primary);border-bottom-color:var(--primary)}
.tabs a:hover{text-decoration:none;color:var(--text)}
.split{display:grid;grid-template-columns:minmax(0,1fr) 340px;gap:12px;align-items:start}
@media(max-width:1100px){.split{grid-template-columns:1fr}.g4{grid-template-columns:repeat(2,1fr)}}
@media(max-width:760px){.sidebar{display:none}.g4,.g3,.g2{grid-template-columns:1fr}}
dialog{border:none;border-radius:var(--radius-lg);padding:0;box-shadow:var(--shadow-lg);background:var(--surface);color:var(--text);max-width:560px;width:calc(100% - 32px)}
dialog::backdrop{background:rgba(15,12,20,.45)}
.dlg-h{padding:12px 14px;border-bottom:1px solid var(--line);display:flex;align-items:center;gap:8px}
.dlg-b{padding:14px}
.dlg-f{padding:10px 14px;border-top:1px solid var(--line);display:flex;gap:8px;justify-content:flex-end}
.srch{position:relative;flex:1;max-width:360px}
.srch input{padding-left:28px}
.srch svg{position:absolute;left:8px;top:8px;width:15px;height:15px;color:var(--text-3)}
.sec-title{display:flex;align-items:center;gap:8px;margin:14px 0 8px}
.sec-title h2{font-size:14px}

/* ============ 移动端适配 ============ */
.hamb{display:none}
.sb-backdrop{display:none;position:fixed;inset:0;background:rgba(10,8,14,.5);z-index:39;-webkit-backdrop-filter:blur(2px);backdrop-filter:blur(2px)}
@media(max-width:900px){
  .hamb{display:inline-flex}
  .sidebar{position:fixed;left:0;top:0;bottom:0;z-index:40;width:250px;flex:0 0 250px;
    transform:translateX(-102%);transition:transform .22s ease;box-shadow:0 0 32px rgba(0,0,0,.4);display:flex}
  .sidebar.open{transform:none}
  .sb-backdrop.open{display:block}
  .main{width:100%}
  .topbar{padding:0 10px;gap:6px}
  .topbar .srch{display:none}
  .content{padding:10px 10px 48px}
  .split{grid-template-columns:1fr}
  .g4,.g3{grid-template-columns:repeat(2,minmax(0,1fr))}
  .g2{grid-template-columns:1fr}
  .card-b.tight{overflow-x:auto;-webkit-overflow-scrolling:touch}
  table.tbl{min-width:520px}
  .tabs{overflow-x:auto;white-space:nowrap;-webkit-overflow-scrolling:touch;padding-bottom:2px}
  .tabs a{flex:0 0 auto}
  dialog{width:calc(100% - 16px);max-width:100%;margin:auto}
  .dlg-b{padding:12px 10px}
  .dlg-f{padding:10px}
  h1{font-size:17px}
  .stat .v{font-size:19px}
  .row .field{min-width:100%}
  .btn{height:34px}
  .btn-sm{height:28px}
  input,select{height:36px;font-size:13px}
}
@media(max-width:520px){
  .g4,.g3{grid-template-columns:1fr}
  .content{padding:8px 8px 40px}
  .card{padding:0}
  .stat{padding:8px 10px}
  .stat .v{font-size:17px}
  .brand,.logo-name{font-size:14px}
  .zone-card{padding:12px}
}

/* 移动端细节修正 */
@media(max-width:900px){
  .card-h{flex-wrap:wrap;gap:6px}
  .card-h input,.card-h select{flex:1 1 auto;min-width:110px;width:auto!important}
  .card-h .spacer{display:none}
  .zone-card .name{font-size:15px}
  .kv{grid-template-columns:96px 1fr}
  pre{font-size:11px}
  .dlg-h h2{font-size:13px}
  .btn-icon{width:32px;height:32px}
  .toast{left:8px;right:8px;bottom:8px}
  .toast div{max-width:none}
}
.auth-box{max-width:380px;margin:56px auto 0}
.auth-head{text-align:center;margin-bottom:18px}
@media(max-width:520px){
  .auth-box{margin:20px auto 0;max-width:100%}
  .auth-head{margin-bottom:12px}
  .auth-head h1{font-size:18px}
}

/* 移动端表格：不再强制横向滚动，允许换行 */
@media(max-width:900px){
  .hide-sm{display:none!important}
  table.tbl{min-width:0}
  .tbl th,.tbl td{padding:6px 8px;word-break:break-word}
  .tbl .mono{font-size:11px}
}
@media(max-width:520px){ .g4{grid-template-columns:repeat(2,minmax(0,1fr))} }

/* 记录表：手机上改成卡片式 */
@media(max-width:760px){
  table.stack thead{display:none}
  table.stack,table.stack tbody,table.stack tr,table.stack td{display:block;width:auto}
  table.stack tr{padding:9px 10px;border-bottom:1px solid var(--line);position:relative;min-height:44px}
  table.stack tbody tr:last-child{border-bottom:none}
  table.stack td{border:none;padding:1px 0;text-align:left}
  table.stack td.c-name{font-weight:600;font-size:12.5px;padding-right:70px}
  table.stack td.c-type,table.stack td.c-ttl{display:inline-block;margin-right:8px}
  table.stack td.c-ttl{color:var(--text-3);font-size:11px}
  table.stack td.c-val{margin-top:4px;word-break:break-all;line-height:1.5;font-size:11.5px}
  table.stack td.c-act{position:absolute;right:8px;top:8px;width:auto}
  table.stack td.c-act form{display:inline}
  .tbl tr:hover{background:transparent}
}
.cloud{color:var(--text-3)}
.cloud.on{color:#F6821F}
.cloud svg{width:16px;height:16px}
.cloud-badge{display:inline-block;margin-left:4px;font-size:11px;color:#F6821F;vertical-align:middle}

.cblock{border:1px solid var(--line);border-radius:var(--radius-sm);overflow:hidden;background:var(--surface)}
.cblock-h{display:flex;align-items:center;gap:8px;padding:6px 10px;background:var(--surface-2);border-bottom:1px solid var(--line);font-size:12px;color:var(--text-2)}
.cblock pre{margin:0;border:none;border-radius:0;max-height:240px;overflow:auto;background:var(--surface);padding:10px}

/* 长记录值（DKIM/TXT）不撑破页面 */
.tbl td{overflow-wrap:anywhere;word-break:break-word}
table.stack{table-layout:fixed;width:100%}
table.stack td.c-val{white-space:normal;word-break:break-all;line-height:1.5}
table.stack th:nth-child(1),table.stack td.c-name{width:190px}
table.stack th:nth-child(2),table.stack td.c-type{width:66px}
table.stack th:nth-child(3),table.stack td.c-ttl{width:64px}
table.stack th:last-child,table.stack td.c-act{width:92px}

/* 记录值：强制多行折行 */
.tbl td .val{white-space:pre-wrap;word-break:break-all;overflow-wrap:anywhere;max-width:100%}
table.stack td.c-val{padding-right:6px}

/* 操作列：三个图标按钮不能挤破单元格 */
table.stack th:last-child,
table.stack td.c-act{width:122px;min-width:122px}
table.stack td.c-act{padding:4px 6px;text-align:right;white-space:nowrap;overflow:hidden}
table.stack td.c-act .btn-icon{width:26px;height:26px}
table.stack td.c-act form{display:inline-block;vertical-align:middle;margin:0}
.card-b.tight{overflow-x:auto}