:root {
  --bg: #f6f7f9; --panel: #fff; --ink: #14171c; --sub: #69707d; --line: #e3e6eb;
  --accent: #2f5bea; --good: #138a4b; --good-bg: #e3f5ea; --bad: #c62f2f; --bad-bg: #fbe6e6;
  --warn: #9a6400; --warn-bg: #fff3d6; --muted-bg: #eceef2;
  --mono: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0f1115; --panel: #171a20; --ink: #e7e9ee; --sub: #8c93a0; --line: #2a2f38;
    --accent: #6e8ff7; --good: #4ccb86; --good-bg: #13301f; --bad: #f07272; --bad-bg: #3a1717;
    --warn: #e5b04a; --warn-bg: #352a10; --muted-bg: #22262e;
  }
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--ink); font: 14px/1.45 system-ui, -apple-system, "Segoe UI", sans-serif; }
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
code, pre, .mono { font-family: var(--mono); font-size: 12.5px; }
code { background: var(--muted-bg); padding: 1px 5px; border-radius: 4px; }
pre { background: var(--muted-bg); padding: 12px 14px; border-radius: 8px; overflow-x: auto; white-space: pre; }
h1 { font-size: 20px; margin: 4px 0 12px; }
h3 { font-size: 13px; text-transform: uppercase; letter-spacing: .04em; color: var(--sub); margin: 0 0 10px; }
.sub { color: var(--sub); font-size: 12.5px; }
.ok { color: var(--good); font-weight: 600; }
.no { color: var(--bad); font-weight: 600; font-style: normal; }

.top { display: flex; align-items: center; gap: 20px; padding: 0 20px; height: 52px; background: var(--panel); border-bottom: 1px solid var(--line); position: sticky; top: 0; z-index: 5; }
.brand { font-weight: 700; color: var(--ink); display: flex; align-items: center; gap: 8px; }
.brand.big { font-size: 18px; margin-bottom: 8px; }
.dot { width: 10px; height: 10px; border-radius: 50%; background: var(--good); box-shadow: 0 0 0 3px var(--good-bg); }
.top nav { display: flex; gap: 4px; flex: 1; }
.top nav a { color: var(--sub); padding: 6px 10px; border-radius: 6px; }
.top nav a.on, .top nav a:hover { color: var(--ink); background: var(--muted-bg); text-decoration: none; }
.logout { color: var(--sub); }

.wrap { max-width: 1400px; margin: 0 auto; padding: 18px 20px 60px; }
.center { min-height: 100vh; display: grid; place-items: center; padding: 16px; }
.card { background: var(--panel); border: 1px solid var(--line); border-radius: 10px; padding: 16px; margin-bottom: 14px; }
.card p { margin: 0 0 10px; }
.login { width: 100%; max-width: 340px; display: grid; gap: 12px; }

label { display: grid; gap: 4px; font-size: 12.5px; color: var(--sub); }
input, select, textarea { font: inherit; color: var(--ink); background: var(--panel); border: 1px solid var(--line); border-radius: 7px; padding: 7px 9px; width: 100%; }
textarea { resize: vertical; }
input:focus, select:focus, textarea:focus { outline: 2px solid var(--accent); outline-offset: -1px; }
input[type=checkbox] { width: auto; }
.btn { display: inline-flex; align-items: center; gap: 6px; font: inherit; font-weight: 500; padding: 7px 12px; border-radius: 7px; border: 1px solid var(--line); background: var(--panel); color: var(--ink); cursor: pointer; white-space: nowrap; }
.btn:hover { background: var(--muted-bg); text-decoration: none; }
.btn.primary { background: var(--accent); border-color: var(--accent); color: #fff; }
.btn.danger { color: var(--bad); }
.btn.ghost { border-color: transparent; }
.btn.sm { padding: 4px 9px; font-size: 12.5px; }

.flash { padding: 10px 14px; border-radius: 8px; margin-bottom: 12px; background: var(--good-bg); color: var(--good); }
.flash.err { background: var(--bad-bg); color: var(--bad); }

.stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(130px, 1fr)); gap: 10px; margin-bottom: 12px; }
.stat { background: var(--panel); border: 1px solid var(--line); border-radius: 10px; padding: 12px 14px; color: var(--ink); display: grid; gap: 2px; }
a.stat:hover { text-decoration: none; border-color: var(--accent); }
.stat b { font-size: 24px; font-variant-numeric: tabular-nums; line-height: 1.1; }
.stat b.sm { font-size: 15px; }
.stat small { font-size: 13px; color: var(--sub); font-weight: 500; }
.stat span { color: var(--sub); font-size: 12px; }
.stat.good b { color: var(--good); }
.stat.bad b { color: var(--bad); }
.stat.muted b { color: var(--sub); }

.checker { display: flex; align-items: center; gap: 10px; font-size: 12.5px; color: var(--sub); margin: 0 2px 12px; }
.checker.warn { color: var(--warn); background: var(--warn-bg); padding: 8px 12px; border-radius: 8px; }
.checker .auto { display: flex; flex-direction: row; align-items: center; gap: 6px; margin-left: auto; }

.split { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.4fr); gap: 12px; margin-bottom: 12px; }
.providers, .recent { background: var(--panel); border: 1px solid var(--line); border-radius: 10px; padding: 10px 12px; }
.prov { display: grid; grid-template-columns: 110px 1fr 60px; align-items: center; gap: 10px; padding: 4px 6px; border-radius: 6px; color: var(--ink); }
.prov.on, .prov:hover { background: var(--muted-bg); text-decoration: none; }
.prov small { color: var(--sub); text-align: right; font-variant-numeric: tabular-nums; }
.bar { height: 6px; background: var(--bad-bg); border-radius: 3px; overflow: hidden; }
.bar i { display: block; height: 100%; background: var(--good); }
.recent { max-height: 170px; overflow-y: auto; }
.ev { font-size: 12.5px; padding: 3px 0; border-bottom: 1px dashed var(--line); }
.ev:last-child { border-bottom: 0; }
.ev time { color: var(--sub); display: inline-block; min-width: 62px; }
.ev.mass_failure, .ev.status { }
.tag { font-size: 11px; background: var(--muted-bg); padding: 1px 6px; border-radius: 4px; color: var(--sub); }

.filters { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 10px; }
.filters input { flex: 1 1 220px; width: auto; }
.filters select { width: auto; }
.bulkbar { display: flex; align-items: center; gap: 6px; margin-bottom: 8px; font-size: 12.5px; color: var(--sub); flex-wrap: wrap; }
.bulkbar .count { margin-left: auto; }

.tablewrap { overflow-x: auto; background: var(--panel); border: 1px solid var(--line); border-radius: 10px; }
.card .tablewrap { border: 0; }
table.grid { width: 100%; border-collapse: collapse; font-size: 13px; }
.grid th { text-align: left; font-weight: 600; font-size: 12px; color: var(--sub); padding: 9px 10px; border-bottom: 1px solid var(--line); white-space: nowrap; }
.grid th a { color: var(--sub); }
.grid td { padding: 7px 10px; border-bottom: 1px solid var(--line); vertical-align: top; }
.grid tr:last-child td { border-bottom: 0; }
.grid tr:hover td { background: var(--muted-bg); }
.grid tr.off td { opacity: .55; }
.grid .num { text-align: right; font-variant-numeric: tabular-nums; white-space: nowrap; }
.grid .err, dd.err { color: var(--bad); font-size: 12px; max-width: 320px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.empty { text-align: center; color: var(--sub); padding: 30px !important; }
.proto { font-size: 11px; color: var(--sub); border: 1px solid var(--line); border-radius: 4px; padding: 0 4px; font-family: system-ui, sans-serif; font-weight: 500; vertical-align: middle; }

.pill { white-space: nowrap; display: inline-block; font-size: 11.5px; font-weight: 600; padding: 2px 8px; border-radius: 99px; background: var(--muted-bg); color: var(--sub); }
.pill.healthy { background: var(--good-bg); color: var(--good); }
.pill.dead { background: var(--bad-bg); color: var(--bad); }
.pill.unknown { background: var(--warn-bg); color: var(--warn); }
.pill.unassigned, .pill.disabled { background: var(--warn-bg); color: var(--warn); }
.grid tr.prob td { background: color-mix(in srgb, var(--bad-bg) 55%, transparent); }
.alertbar { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; background: var(--bad-bg); color: var(--bad); padding: 10px 14px; border-radius: 10px; margin-bottom: 12px; }
.alertbar .btn { margin-top: 0 !important; }
label.inline { display: flex; flex-direction: row; align-items: center; gap: 8px; margin: 4px 0; color: var(--ink); }

.back { display: inline-block; margin-bottom: 8px; font-size: 13px; }
.head { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; margin-bottom: 14px; }
.head h1 { margin: 0; font-size: 18px; }
.head .actions { margin-left: auto; display: flex; gap: 6px; }
.chartbox { position: relative; min-height: 220px; }
.chartbox svg { display: block; width: 100%; }
.chartbox .gl { stroke: var(--line); stroke-width: 1; }
.chartbox .ax { fill: var(--sub); font-size: 11px; }
.chartbox .ln { fill: none; stroke-width: 1.6; stroke-linejoin: round; }
.chartbox .ln.http { stroke: var(--accent); }
.chartbox .ln.smtp { stroke: var(--good); }
.chartbox .failbar { fill: var(--bad); opacity: .35; }
.legend { display: flex; align-items: center; gap: 6px; font-size: 12px; color: var(--sub); margin-top: 6px; }
.legend .k { width: 12px; height: 3px; display: inline-block; margin-left: 10px; border-radius: 2px; }
.legend .k:first-child { margin-left: 0; }
.legend .k.http { background: var(--accent); } .legend .k.smtp { background: var(--good); } .legend .k.fail { background: var(--bad); opacity: .5; height: 10px; width: 3px; }
.cols { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.kv { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; margin-bottom: 14px; }
.kv .wide { grid-column: 1 / -1; }
.kv .btn { justify-self: start; }
.row { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 10px; margin: 12px 0; }
.wide { display: grid; }
dl.meta { display: grid; grid-template-columns: 120px 1fr; gap: 6px 12px; margin: 0 0 12px; font-size: 13px; }
dl.meta dt { color: var(--sub); }
dl.meta dd { margin: 0; overflow-wrap: anywhere; }
.copy { cursor: copy; }
form .btn.primary { margin-top: 10px; }

@media (max-width: 900px) {
  .split, .cols { grid-template-columns: 1fr; }
  .top { gap: 10px; padding: 0 12px; }
  .top nav a { padding: 6px 6px; }
  .brand { display: none; }
  .wrap { padding: 14px 12px 40px; }
  .head .actions { margin-left: 0; }
}
#import { margin-top: 14px; }

/* sheet-like proxies table */
.tabs { display: flex; gap: 4px; flex-wrap: wrap; margin: 0 0 10px; border-bottom: 1px solid var(--line); }
.tabs a { padding: 7px 12px; color: var(--sub); border-bottom: 2px solid transparent; margin-bottom: -1px; }
.tabs a.on { color: var(--ink); border-bottom-color: var(--accent); font-weight: 600; }
.tabs a:hover { text-decoration: none; color: var(--ink); }
table.sheet td { vertical-align: middle; }
table.sheet td.name { white-space: nowrap; }
.uc { width: 150px; padding: 4px 7px; font-size: 13px; background: transparent; border-color: transparent; }
.uc:hover { border-color: var(--line); }
.uc:focus { background: var(--panel); }
.uc.saving { opacity: .5; }
.uc.saved { outline: 2px solid var(--good); }
.lc { width: auto; padding: 3px 6px; font-size: 12.5px; font-weight: 600; border-radius: 99px; }
.lc-active { background: var(--good-bg); color: var(--good); border-color: transparent; }
.lc-ready { background: var(--muted-bg); color: var(--accent); border-color: transparent; }
.lc-suspended { background: var(--bad-bg); color: var(--bad); border-color: transparent; }
.pill.deleted { background: var(--muted-bg); color: var(--sub); }
.copybtn { border: 0; background: none; color: var(--sub); cursor: pointer; padding: 0 4px; font-size: 14px; }
.copybtn:hover { color: var(--accent); }
.toast { position: fixed; bottom: 18px; left: 50%; transform: translateX(-50%); max-width: min(680px, calc(100% - 32px));
  padding: 10px 16px; border-radius: 10px; z-index: 20; box-shadow: 0 6px 24px rgba(0,0,0,.18); font-size: 13.5px; }
.toast.ok { background: var(--good-bg); color: var(--good); border: 1px solid var(--good); }
.toast.err { background: var(--bad-bg); color: var(--bad); border: 1px solid var(--bad); }
a.alertbar { text-decoration: none; }
.lifebox { display: flex; gap: 6px; flex-wrap: wrap; align-items: center; }
.pill.lcp-active { background: var(--good-bg); color: var(--good); }
.pill.lcp-ready { background: var(--muted-bg); color: var(--accent); }
.pill.lcp-suspended { background: var(--bad-bg); color: var(--bad); }
.nowrap { white-space: nowrap; }
.ucstatic { padding-left: 8px; }
.toast.warn { background: var(--warn-bg); color: var(--warn); border: 1px solid var(--warn); }
.top .me { color: var(--ink); font-weight: 600; padding: 6px 10px; border-radius: 6px; }
.top .me:hover, .top .me.on { background: var(--muted-bg); text-decoration: none; }
.by { color: var(--accent); font-size: 12px; white-space: nowrap; }
.lc-to_delete { background: var(--warn-bg); color: var(--warn); border-color: transparent; }
.pill.lcp-to_delete, .pill.to_delete { background: var(--warn-bg); color: var(--warn); }
.pill.suspended { background: var(--bad-bg); color: var(--bad); }
.susp { font-size: 11.5px; color: var(--bad); padding-left: 8px; margin-top: 2px; white-space: nowrap; }
.grid th a.sortable { display: inline-flex; align-items: center; gap: 4px; white-space: nowrap; }
.grid th a.sortable .arrow { opacity: .35; font-size: 11px; }
.grid th a.sortable:hover .arrow, .grid th a.sortable.on .arrow { opacity: 1; color: var(--accent); }
.grid th a.sortable.on { color: var(--ink); }