:root{--bg:#f3f5f9;--card:#fff;--ink:#1f2633;--sub:#6b7486;--line:#e4e8ef;--pri:#2f6bff;--pri2:#e9f0ff;
--ok:#12a150;--warn:#d98a00;--bad:#e5484d;--side:#1e2433;--side2:#2a3245}
*{box-sizing:border-box}html,body{margin:0}
body{font:14px/1.6 -apple-system,"PingFang SC","Microsoft YaHei",system-ui,sans-serif;background:var(--bg);color:var(--ink)}
a{color:var(--pri);text-decoration:none}a:hover{text-decoration:underline}
.layout{display:flex;min-height:100vh}
.side{width:210px;background:var(--side);color:#c9d1e3;flex-shrink:0;position:sticky;top:0;height:100vh;overflow:auto}
.brand{padding:18px 20px;font-size:17px;font-weight:600;color:#fff;border-bottom:1px solid var(--side2)}
.brand small{display:block;font-size:12px;font-weight:400;color:#8b95ab}
.side nav a{display:flex;gap:10px;align-items:center;padding:11px 20px;color:#c9d1e3}
.side nav a:hover{background:var(--side2);text-decoration:none}
.side nav a.on{background:var(--pri);color:#fff}
.side nav .grp{padding:14px 20px 4px;font-size:12px;color:#77819a}
.main{flex:1;min-width:0}
.top{background:#fff;border-bottom:1px solid var(--line);padding:12px 24px;display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap}
.top h1{font-size:17px;margin:0}
.top .r{color:var(--sub);font-size:13px;display:flex;gap:14px;align-items:center}
.wrap{padding:20px 24px;max-width:1400px}
.card{background:var(--card);border:1px solid var(--line);border-radius:8px;padding:18px 20px;margin-bottom:18px}
.card h2{font-size:15px;margin:0 0 14px;display:flex;justify-content:space-between;align-items:center}
.stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(140px,1fr));gap:12px}
.stat{background:var(--card);border:1px solid var(--line);border-radius:8px;padding:14px 16px}
.stat .k{color:var(--sub);font-size:12.5px}.stat .v{font-size:24px;font-weight:600;margin-top:2px;font-variant-numeric:tabular-nums}
.stat.ok .v{color:var(--ok)}.stat.bad .v{color:var(--bad)}.stat.warn .v{color:var(--warn)}.stat.pri .v{color:var(--pri)}
.dr{display:flex;flex-wrap:wrap;gap:0;border:1px solid var(--line);border-radius:8px;overflow:hidden;margin-bottom:14px}
.dr div{flex:1;min-width:110px;padding:10px 14px;border-right:1px solid var(--line);background:#fafbfd}
.dr div:last-child{border-right:0}.dr b{display:block;font-size:19px;font-variant-numeric:tabular-nums}.dr span{font-size:12px;color:var(--sub)}
table{width:100%;border-collapse:collapse;font-size:13.5px}
th,td{padding:9px 10px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}
th{background:#f7f9fc;color:var(--sub);font-weight:500;white-space:nowrap}
tr:hover td{background:#fafcff}
.tbl{overflow-x:auto}
td.num,th.num{text-align:right;font-variant-numeric:tabular-nums}
.muted{color:var(--sub)}.small{font-size:12.5px}.mono{font-family:ui-monospace,Menlo,monospace;font-size:12.5px}
.tag{display:inline-block;padding:1px 8px;border-radius:10px;font-size:12px;background:#eef1f6;color:#4a5468;white-space:nowrap}
.tag.delivered,.tag.done{background:#e5f6ec;color:var(--ok)}
.tag.failed,.tag.bounced,.tag.held,.tag.cancelled{background:#fdecec;color:var(--bad)}
.tag.delayed,.tag.paused{background:#fff4e0;color:var(--warn)}
.tag.submitted,.tag.sending{background:var(--pri2);color:var(--pri)}
form.inline{display:inline}
label{display:block;font-weight:500;margin:0 0 5px}
.row{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:14px;margin-bottom:14px}
input[type=text],input[type=password],input[type=email],input[type=number],input[type=date],input[type=datetime-local],select,textarea{
width:100%;padding:8px 10px;border:1px solid #cfd6e2;border-radius:6px;font:inherit;background:#fff;color:var(--ink)}
textarea{min-height:120px;resize:vertical}textarea.code{font-family:ui-monospace,Menlo,monospace;font-size:12.5px;min-height:320px}
input:focus,select:focus,textarea:focus{outline:2px solid var(--pri2);border-color:var(--pri)}
.hint{color:var(--sub);font-size:12.5px;margin-top:4px}
.btn{display:inline-block;padding:8px 18px;border-radius:6px;border:1px solid #cfd6e2;background:#fff;color:var(--ink);cursor:pointer;font:inherit}
.btn:hover{text-decoration:none;border-color:var(--pri);color:var(--pri)}
.btn.pri{background:var(--pri);border-color:var(--pri);color:#fff}.btn.pri:hover{filter:brightness(1.08);color:#fff}
.btn.bad{color:var(--bad);border-color:#f2c1c2}.btn.sm{padding:3px 10px;font-size:12.5px}
.filters{display:flex;flex-wrap:wrap;gap:10px;align-items:flex-end;margin-bottom:14px}
.filters>div{min-width:140px}.filters input,.filters select{width:auto;min-width:140px}
.flash{padding:10px 14px;border-radius:6px;margin-bottom:14px}
.flash.ok{background:#e5f6ec;color:#0c6b37}.flash.err{background:#fdecec;color:#a3161b}
.banner{background:#fff4e0;color:#8a5800;padding:10px 24px;border-bottom:1px solid #f3dcae;display:flex;gap:12px;align-items:center;flex-wrap:wrap}
.banner.bad{background:#fdecec;color:#a3161b;border-color:#f2c1c2}
.split{display:grid;grid-template-columns:1fr 1fr;gap:18px}
iframe.pv{width:100%;height:min(720px,calc(100vh - 110px));border:1px solid var(--line);border-radius:6px;background:#fff}
.pager{display:flex;gap:6px;justify-content:flex-end;margin-top:12px;align-items:center}
.bar{height:6px;background:#eef1f6;border-radius:3px;overflow:hidden;min-width:80px}
.bar i{display:block;height:100%;background:var(--ok)}
.chart{display:flex;align-items:flex-end;gap:10px;height:140px;padding-top:10px}
.chart .c{flex:1;display:flex;flex-direction:column;align-items:center;gap:4px;height:100%;justify-content:flex-end}
.chart .c i{display:block;width:100%;max-width:38px;background:var(--pri);border-radius:3px 3px 0 0;min-height:2px}
.chart .c span{font-size:11.5px;color:var(--sub)}.chart .c b{font-size:11.5px;font-weight:500}
.dot{display:inline-block;width:8px;height:8px;border-radius:50%;margin-right:5px;vertical-align:middle}
.dot.ok{background:var(--ok)}.dot.bad{background:var(--bad)}.dot.unk{background:#aab}
pre{background:#f7f9fc;border:1px solid var(--line);border-radius:6px;padding:12px;overflow:auto;font-size:12.5px}
.login{max-width:360px;margin:12vh auto;padding:0 16px}
.login .card{padding:28px}
@media (max-width:860px){
.layout{flex-direction:column}.side{width:auto;height:auto;position:static}
.side nav{display:flex;overflow-x:auto}.side nav a{white-space:nowrap;padding:10px 14px}.side nav .grp{display:none}
.brand{padding:12px 16px}.wrap{padding:16px}.top{padding:12px 16px}.split{grid-template-columns:1fr}}
.tabs{display:flex;gap:0;margin-bottom:14px;border-bottom:1px solid var(--line)}
.tabs button{background:none;border:0;border-bottom:2px solid transparent;padding:8px 14px;font:inherit;color:var(--sub);cursor:pointer;margin-bottom:-1px}
.tabs button.on{color:var(--pri);border-bottom-color:var(--pri);font-weight:500}
.lay{display:grid;grid-template-columns:repeat(auto-fill,minmax(104px,1fr));gap:8px}
.lay-i{display:flex;flex-direction:column;align-items:center;gap:4px;border:2px solid var(--line);border-radius:8px;padding:6px;cursor:pointer;font-weight:400;margin:0;text-align:center}
.lay-i:has(input:checked){border-color:var(--pri);background:var(--pri2)}
.lay-i input{display:none}
.sw{display:block;width:100%;height:46px;border-radius:4px;position:relative;border:1px solid #0001;overflow:hidden}
.sw i{position:absolute;left:12%;right:12%;top:6px;height:9px;border-radius:2px}
.sw b{position:absolute;left:35%;right:35%;bottom:7px;height:8px;border-radius:4px}
.btn.ins{padding:0 8px;font-size:12px;font-weight:400;margin-left:6px;vertical-align:1px}
.inbox{display:flex;align-items:center;gap:10px;border:1px solid var(--line);border-radius:8px;padding:8px 12px;margin-bottom:10px;background:#fafbfd}
.inbox .av{width:32px;height:32px;border-radius:50%;background:var(--pri);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:600;flex-shrink:0}
.ib-from{font-weight:600;font-size:13.5px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.ib-subj{font-size:13.5px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.sub{background:#f7f9fc;border:1px solid var(--line);border-radius:8px;padding:12px;margin-top:14px}