:root{
  --bg:#f6f7f9; --card:#fff; --ink:#14181f; --muted:#68707d; --line:#e3e6ec;
  --accent:#2563eb; --accent-soft:#e8efff; --ok:#0f7b46; --warn:#a35b00; --bad:#b42318;
}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--ink);
  font:14.5px/1.55 -apple-system,BlinkMacSystemFont,"Segoe UI",Inter,Roboto,Helvetica,Arial,sans-serif}
a{color:var(--accent);text-decoration:none}
a:hover{text-decoration:underline}
h1{font-size:22px;margin:0 0 4px;letter-spacing:-.01em}
h2{font-size:15px;margin:0}
code{font:12.5px/1.5 ui-monospace,SFMono-Regular,Menlo,monospace;background:#f1f3f6;padding:2px 5px;border-radius:5px}
code.block{display:block;padding:12px;margin:10px 0;white-space:pre-wrap;word-break:break-all}
hr{border:0;border-top:1px solid var(--line);margin:16px 0}

.top{display:flex;align-items:center;gap:26px;padding:0 26px;height:58px;background:#fff;
  border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20}
.brand{font-weight:700;color:var(--ink);font-size:16px;display:flex;align-items:center;gap:8px}
.brand:hover{text-decoration:none}
.dot{width:9px;height:9px;border-radius:50%;background:var(--accent);display:inline-block}
.top nav{display:flex;gap:4px}
.top nav a{padding:7px 11px;border-radius:7px;color:#3d4552;font-weight:500}
.top nav a:hover{background:#f2f4f7;text-decoration:none}
.top nav a.on{background:var(--accent-soft);color:var(--accent)}
.top .right{margin-left:auto;display:flex;gap:8px;align-items:center}
.badge{background:var(--accent);color:#fff;border-radius:20px;padding:1px 7px;font-size:11px;font-weight:700}
.badge.warn{background:var(--warn)}

main{max-width:1120px;margin:0 auto;padding:28px 26px 60px}
.page-head{display:flex;align-items:center;gap:16px;margin-bottom:18px;flex-wrap:wrap}
.page-head h1{margin:0}
.spacer{flex:1}
.muted{color:var(--muted)}
.small{font-size:12.5px}
.pill{display:inline-block;padding:1px 7px;border-radius:20px;background:#eef1f5;color:#4b5563;
  font-size:11px;font-weight:600;vertical-align:middle}
.pill.ok{background:#e5f6ec;color:var(--ok)}
.pill.warn{background:#fdf1dd;color:var(--warn)}
.pill.bad{background:#fde8e6;color:var(--bad)}

.tabs{display:flex;align-items:center;gap:6px;border-bottom:1px solid var(--line);margin-bottom:6px}
.tabs a{padding:9px 12px;color:#4b5563;border-bottom:2px solid transparent;font-weight:500}
.tabs a.on{color:var(--accent);border-bottom-color:var(--accent)}
.tabs a:hover{text-decoration:none;color:var(--ink)}

table{width:100%;border-collapse:collapse}
.maillist td{padding:11px 10px;border-bottom:1px solid var(--line);vertical-align:top}
.maillist tr:hover{background:#fbfcfe}
.maillist .star{width:30px}
.maillist .who{width:230px}
.maillist .who a{color:var(--ink);font-weight:500}
.maillist .name{display:inline-block;max-width:180px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;vertical-align:middle}
.maillist .subj a{color:var(--ink);font-weight:500}
.maillist .snippet{display:block;color:var(--muted);font-size:12.5px;margin-top:2px;
  overflow:hidden;text-overflow:ellipsis;white-space:nowrap;max-width:560px}
.maillist .when{width:90px;text-align:right;color:var(--muted);font-size:12px;white-space:nowrap}
.maillist tr.unread .name,.maillist tr.unread .subj a{font-weight:700}
.maillist tr.unread{background:#fff}
.link{background:none;border:0;font-size:17px;color:#9aa3af;cursor:pointer;padding:0}
.link:hover{color:#d97706}

.empty{background:#fff;border:1px solid var(--line);border-radius:12px;padding:40px;text-align:center}
.pager{display:flex;gap:14px;align-items:center;justify-content:center;margin-top:18px}

button,.btn{background:var(--accent);color:#fff;border:0;border-radius:8px;padding:9px 15px;
  font-size:14px;font-weight:600;cursor:pointer}
button:hover{filter:brightness(1.06)}
button.ghost,.ghost{background:#fff;color:#374151;border:1px solid var(--line);padding:7px 11px;border-radius:8px;font-weight:500}
button.ghost:hover{background:#f7f8fa}
button.danger{color:var(--bad)}
form{margin:0}
.inline{display:flex;gap:8px;margin-left:auto}
input,select,textarea{font:inherit;padding:9px 11px;border:1px solid #d5dae2;border-radius:8px;
  background:#fff;width:100%;outline:none}
input:focus,select:focus,textarea:focus{border-color:var(--accent);box-shadow:0 0 0 3px rgba(37,99,235,.12)}
label{display:block;margin:10px 0;font-weight:500;font-size:13px;color:#374151}
label input,label select,label textarea{margin-top:5px;font-weight:400}
.row{display:flex;gap:10px;align-items:center}
.row label{flex:1;margin:10px 0}
.search{display:flex;gap:8px;margin-left:auto;width:380px}
.search input{width:100%}

.card{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:18px;margin-bottom:18px}
.card-head{display:flex;align-items:baseline;gap:10px;justify-content:space-between;margin-bottom:12px}
.compose{max-width:760px}
.compose textarea{font:14px/1.6 ui-monospace,Menlo,monospace}

.cards{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-bottom:18px}
.kpi{background:#fff;border:1px solid var(--line);border-radius:12px;padding:16px}
.kpi span{display:block;color:var(--muted);font-size:12.5px}
.kpi b{font-size:27px;letter-spacing:-.02em}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.chart{width:100%;height:200px;display:block}
.chart .ax{font-size:10px;fill:#8b93a1}
.chart-card{padding-bottom:8px}

table.bars td{padding:6px 6px;border-bottom:1px solid #f1f3f6;font-size:13px}
table.bars .label{max-width:220px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
table.bars .bar{width:46%}
table.bars .bar span{display:block;height:8px;border-radius:4px;background:var(--accent);min-width:2px}
table.bars .bar span.alt{background:#93b4f5}
table.bars .num{text-align:right;width:52px;font-variant-numeric:tabular-nums}
table.live td,table.live th{padding:7px 8px;border-bottom:1px solid #f1f3f6;text-align:left;font-size:13px}
table.live th{font-size:11.5px;text-transform:uppercase;letter-spacing:.04em;color:var(--muted)}

.msg-head{display:flex;gap:8px;align-items:center;margin-bottom:14px;flex-wrap:wrap}
.subject{font-size:20px;margin:6px 0 12px}
.meta{display:grid;gap:3px;font-size:13px;margin-bottom:16px}
.meta .muted{display:inline-block;width:52px}
.mailhtml{width:100%;height:620px;border:1px solid var(--line);border-radius:10px;background:#fff}
.mailtext{white-space:pre-wrap;background:#fff;border:1px solid var(--line);border-radius:10px;padding:16px;font:13.5px/1.6 ui-monospace,Menlo,monospace}
.textpart{margin-top:12px}
.textpart pre{white-space:pre-wrap;background:#fff;border:1px solid var(--line);border-radius:10px;padding:14px;font-size:13px}
.attachments{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:14px}
.notice{background:#fff;border:1px solid var(--line);border-left:3px solid var(--accent);border-radius:8px;padding:11px 14px;margin-bottom:14px;font-size:13px}
.notice.warn{border-left-color:var(--warn);background:#fffdf8}
table.dns td,table.dns th{padding:9px 10px;border-bottom:1px solid var(--line);text-align:left;font-size:13px;vertical-align:top}
table.dns th{font-size:11.5px;text-transform:uppercase;letter-spacing:.04em;color:var(--muted)}
table.dns td:first-child{font-family:ui-monospace,Menlo,monospace;white-space:nowrap}

.foot{max-width:1120px;margin:0 auto;padding:0 26px 30px;color:var(--muted);font-size:12px}

.login-body{display:flex;align-items:center;justify-content:center;min-height:100vh;background:#f2f4f7}
.login-card{background:#fff;border:1px solid var(--line);border-radius:14px;padding:30px;width:340px;
  box-shadow:0 10px 30px rgba(20,24,31,.06)}
.login-card .brand.big{font-size:19px;margin-bottom:6px}
.login-card button{width:100%;margin-top:12px}
.err{color:var(--bad);font-size:13px;margin:8px 0 0}

@media (max-width:900px){
  .cards{grid-template-columns:1fr 1fr}
  .grid2{grid-template-columns:1fr}
  .maillist .who{width:150px}
  .search{width:100%;margin-left:0}
}