:root{
  --bg:#f5f6f8;--surface:#fff;--surface2:#f0f2f5;--text:#1b1f24;--muted:#5f6b7a;--border:#e1e5ea;
  --primary:#0b6e4f;--primary-ink:#fff;--primary-soft:#e3f2ec;
  --danger:#c0392b;--danger-soft:#fbe9e7;--warn:#b7791f;--warn-soft:#fdf3e1;--info:#1f5fa8;--info-soft:#e6effa;
  --ok:#1e7d4f;--ok-soft:#e3f4ea;--radius:10px;--shadow:0 1px 2px rgba(16,24,40,.06),0 1px 3px rgba(16,24,40,.08);
  font-family:system-ui,-apple-system,"Segoe UI",Roboto,Ubuntu,sans-serif;font-size:15px;color-scheme:light;
}
@media (prefers-color-scheme:dark){:root{
  --bg:#111418;--surface:#1a1e24;--surface2:#222831;--text:#e6e9ee;--muted:#9aa5b3;--border:#2c333d;
  --primary:#3fbf8f;--primary-ink:#0b1510;--primary-soft:#1d3a30;--danger:#ef6f61;--danger-soft:#3a201d;
  --warn:#e3b04b;--warn-soft:#3a2f18;--info:#6aa6ec;--info-soft:#1c2b3d;--ok:#4cc38a;--ok-soft:#1b3326;color-scheme:dark;
}}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--text);display:flex;min-height:100vh}
a{color:var(--primary)}
.sidebar{width:230px;flex:0 0 230px;background:var(--surface);border-right:1px solid var(--border);padding:16px 10px;position:sticky;top:0;height:100vh;overflow:auto}
.brand{font-weight:700;font-size:17px;padding:4px 10px 14px;display:flex;align-items:center;gap:8px}
.brand.center{justify-content:center}
.logo{display:inline-grid;place-items:center;width:30px;height:30px;border-radius:8px;background:var(--primary);color:var(--primary-ink)}
.nav-section{font-size:11px;text-transform:uppercase;letter-spacing:.06em;color:var(--muted);padding:14px 10px 6px}
.nav-link{display:block;padding:7px 10px;border-radius:7px;color:var(--text);text-decoration:none}
.nav-link:hover{background:var(--surface2)}
.nav-link.active{background:var(--primary-soft);color:var(--primary);font-weight:600}
.main{flex:1;min-width:0;display:flex;flex-direction:column}
.topbar{display:flex;align-items:center;gap:12px;padding:12px 24px;background:var(--surface);border-bottom:1px solid var(--border);position:sticky;top:0;z-index:5}
.topbar h1{font-size:18px;margin:0}
.spacer{flex:1}
.user small{color:var(--muted)}
.burger{display:none;cursor:pointer;font-size:20px}
.content{padding:24px;max-width:1300px;width:100%}
.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);padding:18px;margin-bottom:18px}
.card h2{font-size:16px;margin:0 0 12px}
.card h3{font-size:14px;margin:16px 0 8px}
.narrow{max-width:560px}
.grid{display:grid;gap:18px}
.g2{grid-template-columns:repeat(2,minmax(0,1fr))}.g3{grid-template-columns:repeat(3,minmax(0,1fr))}.g4{grid-template-columns:repeat(4,minmax(0,1fr))}
.stat{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:14px 16px;box-shadow:var(--shadow)}
.stat .label{color:var(--muted);font-size:13px}.stat .value{font-size:26px;font-weight:700;margin-top:4px;font-variant-numeric:tabular-nums}
.stat .sub{color:var(--muted);font-size:12px;margin-top:2px}
table{width:100%;border-collapse:collapse}
th,td{text-align:left;padding:8px 10px;border-bottom:1px solid var(--border);vertical-align:top}
th{font-size:12px;text-transform:uppercase;letter-spacing:.04em;color:var(--muted);font-weight:600;background:var(--surface2)}
td.num,th.num{text-align:right;font-variant-numeric:tabular-nums}
.table-wrap{overflow-x:auto}
tr:hover td{background:color-mix(in srgb,var(--surface2) 50%,transparent)}
.msg-preview{max-width:360px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:var(--muted)}
label{display:block;font-size:13px;font-weight:600;margin-bottom:12px}
input[type=text],input[type=email],input[type=password],input[type=number],input[type=tel],input[type=datetime-local],input[type=date],input[type=time],input[type=search],input[type=url],select,textarea{
  display:block;width:100%;margin-top:5px;padding:8px 10px;border:1px solid var(--border);border-radius:7px;background:var(--surface);color:var(--text);font:inherit;font-weight:400}
textarea{min-height:110px;resize:vertical}
input:focus,select:focus,textarea:focus{outline:2px solid var(--primary);outline-offset:0;border-color:transparent}
.check{display:flex;align-items:center;gap:8px;font-weight:400}
.check input{margin:0}
.row{display:flex;gap:12px;flex-wrap:wrap;align-items:flex-end}
.row>*{flex:1;min-width:140px}
.row>.auto{flex:0 0 auto;min-width:0}
.btn{display:inline-flex;align-items:center;gap:6px;padding:8px 14px;border-radius:7px;border:1px solid var(--border);background:var(--surface);color:var(--text);font:inherit;font-weight:600;cursor:pointer;text-decoration:none;white-space:nowrap}
.btn:hover{background:var(--surface2)}
.btn-primary{background:var(--primary);border-color:var(--primary);color:var(--primary-ink)}
.btn-primary:hover{filter:brightness(1.07);background:var(--primary)}
.btn-danger{color:var(--danger);border-color:var(--danger)}
.btn-ghost{border-color:transparent;background:transparent}
.btn-sm{padding:4px 9px;font-size:13px}
.btn-block{width:100%;justify-content:center}
form.inline{display:inline}
.actions{display:flex;gap:6px;flex-wrap:wrap}
.alert{padding:10px 14px;border-radius:8px;margin-bottom:16px;border:1px solid}
.alert-success{background:var(--ok-soft);border-color:var(--ok);color:var(--ok)}
.alert-error{background:var(--danger-soft);border-color:var(--danger);color:var(--danger)}
.alert-warning{background:var(--warn-soft);border-color:var(--warn);color:var(--warn)}
.alert-info{background:var(--info-soft);border-color:var(--info);color:var(--info)}
.badge{display:inline-block;padding:2px 8px;border-radius:999px;font-size:12px;font-weight:600;background:var(--surface2);color:var(--muted)}
.badge-delivered,.badge-online{background:var(--ok-soft);color:var(--ok)}
.badge-sent,.badge-queued{background:var(--info-soft);color:var(--info)}
.badge-pending,.badge-processing,.badge-unknown{background:var(--warn-soft);color:var(--warn)}
.badge-failed,.badge-offline{background:var(--danger-soft);color:var(--danger)}
.badge-cancelled,.badge-disabled{background:var(--surface2);color:var(--muted)}
.pill{font-size:11px;font-weight:700;padding:3px 8px;border-radius:999px}
.pill.warn{background:var(--warn-soft);color:var(--warn)}
.dot{display:inline-block;width:9px;height:9px;border-radius:50%;margin-right:6px;background:var(--muted)}
.dot.online{background:var(--ok)}.dot.offline{background:var(--danger)}.dot.unknown{background:var(--warn)}
.muted{color:var(--muted)}.small{font-size:12px}.mono{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:13px}
.counter{font-size:12px;color:var(--muted);margin-top:-6px;margin-bottom:12px}
.counter.warn{color:var(--warn)}
.filters{margin-bottom:14px}
.pager{display:flex;gap:6px;margin-top:12px;align-items:center}
.bars{display:flex;align-items:flex-end;gap:4px;height:120px;padding-top:8px}
.bars .bar{flex:1;display:flex;flex-direction:column;justify-content:flex-end;gap:1px;height:100%}
.bars .seg{border-radius:3px 3px 0 0;min-height:0}
.bars .seg.d{background:var(--primary)}.bars .seg.o{background:var(--info)}.bars .seg.f{background:var(--danger)}
.bars-x{display:flex;gap:4px;font-size:10px;color:var(--muted)}.bars-x span{flex:1;text-align:center}
.legend{display:flex;gap:14px;font-size:12px;color:var(--muted);margin-top:8px}
.legend i{display:inline-block;width:10px;height:10px;border-radius:2px;margin-right:4px;vertical-align:-1px}
.timeline{list-style:none;padding:0;margin:0}
.timeline li{padding:6px 0;border-bottom:1px dashed var(--border);font-size:13px}
.key-box{padding:12px;border-radius:8px;background:var(--warn-soft);border:1px solid var(--warn);word-break:break-all}
.login-page{align-items:center;justify-content:center}
.login-card{width:100%;max-width:360px}
.vars{display:flex;flex-wrap:wrap;gap:6px;margin:-4px 0 12px}
.vars code{background:var(--surface2);padding:2px 6px;border-radius:5px;cursor:pointer;font-size:12px}
@media (max-width:900px){
  .g3,.g4{grid-template-columns:repeat(2,minmax(0,1fr))}
  .sidebar{position:fixed;left:-240px;z-index:10;transition:left .2s;box-shadow:var(--shadow)}
  #navtoggle:checked~.sidebar{left:0}
  .burger{display:block}
  .content{padding:16px}
  .topbar{padding:10px 16px}.user{display:none}
}
@media (max-width:560px){.g2,.g3,.g4{grid-template-columns:1fr}}
@media print{.sidebar,.topbar,.no-print,.filters{display:none!important}.content{padding:0}.card{box-shadow:none;border:none}}