/* ------------------------------------------------------------------
   MailWatch
   Dense, dark-first operations UI. No framework, no build step.
   ------------------------------------------------------------------ */

:root {
  --bg:        #0f1216;
  --bg-raise:  #161b22;
  --bg-sink:   #0b0e12;
  --line:      #242b35;
  --line-soft: #1b212a;

  --fg:        #d8dee9;
  --fg-dim:    #8b97a8;
  --fg-faint:  #5d6878;

  --ok:        #3fb950;
  --warn:      #d29922;
  --bad:       #f85149;
  --accent:    #58a6ff;

  --ok-bg:     rgba(63, 185, 80, .12);
  --warn-bg:   rgba(210, 153, 34, .12);
  --bad-bg:    rgba(248, 81, 73, .12);

  --mono: ui-monospace, "SF Mono", "JetBrains Mono", Menlo, Consolas, monospace;
  --sans: system-ui, -apple-system, "Segoe UI", Inter, Roboto, sans-serif;

  --r: 7px;
}

@media (prefers-color-scheme: light) {
  :root:not([data-theme="dark"]) {
    --bg: #f6f8fa; --bg-raise: #fff; --bg-sink: #eef1f4;
    --line: #d5dbe2; --line-soft: #e6eaef;
    --fg: #1c2128; --fg-dim: #5a6674; --fg-faint: #8b97a8;
    --ok: #1a7f37; --warn: #9a6700; --bad: #cf222e; --accent: #0969da;
  }
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: var(--sans);
  font-size: 14px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
code {
  font-family: var(--mono);
  font-size: .9em;
  background: var(--bg-sink);
  border: 1px solid var(--line-soft);
  border-radius: 4px;
  padding: .05em .35em;
}

/* ---------- top bar ---------- */

.topbar {
  display: flex;
  align-items: center;
  gap: 24px;
  padding: 0 20px;
  height: 52px;
  background: var(--bg-raise);
  border-bottom: 1px solid var(--line);
  position: sticky;
  top: 0;
  z-index: 10;
}

.brand { display: flex; align-items: center; gap: 9px; font-size: 15px; }
.brand .host { color: var(--fg-faint); font-family: var(--mono); font-size: 12px; }

.topbar nav { display: flex; gap: 2px; margin-left: auto; flex-wrap: wrap; }
.topbar nav a {
  color: var(--fg-dim);
  padding: 6px 11px;
  border-radius: var(--r);
  font-size: 13px;
  white-space: nowrap;
}
.topbar nav a:hover { background: var(--bg-sink); color: var(--fg); text-decoration: none; }
.topbar nav a.active { background: var(--bg-sink); color: var(--fg); box-shadow: inset 0 -2px 0 var(--accent); }

.logout { color: var(--fg-faint); font-size: 13px; }

.pill {
  background: var(--bad); color: #fff;
  border-radius: 10px; padding: 0 6px;
  font-size: 11px; margin-left: 5px;
}

.dot { width: 9px; height: 9px; border-radius: 50%; background: var(--fg-faint); display: inline-block; flex: none; }
.dot-ok   { background: var(--ok);   box-shadow: 0 0 7px var(--ok); }
.dot-warn { background: var(--warn); box-shadow: 0 0 7px var(--warn); }
.dot-bad  { background: var(--bad);  box-shadow: 0 0 7px var(--bad); }

/* ---------- layout ---------- */

main { max-width: 1500px; margin: 0 auto; padding: 22px 20px 60px; }

.page-head {
  display: flex; align-items: baseline; gap: 14px;
  margin: 0 0 18px;
}
.page-head h1 { font-size: 19px; font-weight: 600; margin: 0; }
.page-head .count { color: var(--fg-faint); font-size: 13px; }

.range { margin-left: auto; display: flex; gap: 2px; }
.range a {
  color: var(--fg-dim); font-size: 12px;
  padding: 4px 10px; border-radius: var(--r);
  border: 1px solid transparent;
}
.range a.on { background: var(--bg-raise); border-color: var(--line); color: var(--fg); }
.range a:hover { text-decoration: none; color: var(--fg); }

.split { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
@media (max-width: 900px) { .split { grid-template-columns: 1fr; } }

.panel {
  background: var(--bg-raise);
  border: 1px solid var(--line);
  border-radius: var(--r);
  padding: 16px 18px;
  margin-bottom: 16px;
}
.panel h2 {
  font-size: 13px; font-weight: 600; margin: 0 0 14px;
  color: var(--fg-dim); text-transform: uppercase; letter-spacing: .06em;
  display: flex; align-items: center; gap: 10px;
}
.panel h2 .sub { text-transform: none; letter-spacing: 0; }
.muted-panel { opacity: .82; }

/* ---------- stat cards ---------- */

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 12px;
  margin-bottom: 16px;
}
.card {
  background: var(--bg-raise);
  border: 1px solid var(--line);
  border-radius: var(--r);
  padding: 13px 15px;
  display: flex; flex-direction: column; gap: 2px;
}
.card .k { font-size: 11px; color: var(--fg-faint); text-transform: uppercase; letter-spacing: .06em; }
.card .v { font-size: 25px; font-weight: 600; font-variant-numeric: tabular-nums; line-height: 1.15; }
.card .n { font-size: 11px; color: var(--fg-faint); }

.ok { color: var(--ok); }
.warn { color: var(--warn); }
.bad { color: var(--bad); }
.muted, .sub { color: var(--fg-faint); }
.sub { font-size: 12px; }

/* ---------- tables ---------- */

.tablewrap { overflow-x: auto; margin: 0 -18px; padding: 0 18px; }

table { width: 100%; border-collapse: collapse; font-size: 13px; }
thead th {
  text-align: left;
  font-size: 11px; font-weight: 600;
  color: var(--fg-faint);
  text-transform: uppercase; letter-spacing: .05em;
  padding: 0 10px 7px;
  border-bottom: 1px solid var(--line);
  white-space: nowrap;
}
tbody td { padding: 7px 10px; border-bottom: 1px solid var(--line-soft); vertical-align: top; }
tbody tr:last-child td { border-bottom: 0; }
tbody tr:hover { background: var(--bg-sink); }

.num { text-align: right; font-variant-numeric: tabular-nums; }
.nowrap { white-space: nowrap; }
.mono { font-family: var(--mono); font-size: 12px; }
.trunc { max-width: 230px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.trunc-wide { max-width: 330px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.detail { max-width: 480px; color: var(--fg-dim); font-size: 12.5px; }
.w-50 { width: 50%; }

.row-bad  td:first-child { box-shadow: inset 2px 0 0 var(--bad); }
.row-warn td:first-child { box-shadow: inset 2px 0 0 var(--warn); }
.row-ok   td:first-child { box-shadow: inset 2px 0 0 transparent; }

.badge {
  display: inline-block; font-size: 11px; font-weight: 500;
  padding: 1px 7px; border-radius: 20px; white-space: nowrap;
}
.badge-ok    { background: var(--ok-bg);   color: var(--ok); }
.badge-warn  { background: var(--warn-bg); color: var(--warn); }
.badge-bad   { background: var(--bad-bg);  color: var(--bad); }
.badge-muted { background: var(--bg-sink); color: var(--fg-faint); }

.tag {
  font-size: 10px; text-transform: uppercase; letter-spacing: .05em;
  background: var(--bad-bg); color: var(--bad);
  padding: 1px 6px; border-radius: 4px; margin-left: 6px;
}

/* expandable SMTP response */
.resp summary { cursor: pointer; font-family: var(--mono); font-size: 11px; color: var(--fg-faint); }
.resp pre, .resp-cell pre {
  margin: 5px 0 0;
  font-family: var(--mono); font-size: 11px; line-height: 1.45;
  white-space: pre-wrap; word-break: break-word;
  background: var(--bg-sink); border: 1px solid var(--line-soft);
  border-radius: 5px; padding: 7px 9px;
  color: var(--fg-dim);
  max-width: 560px;
}
.resp-cell pre { margin: 0; }

/* inline bar inside a table cell */
.bar-cell { width: 45%; }
.bar { display: block; height: 7px; border-radius: 4px; min-width: 2px; }
.bar-bad   { background: var(--bad); opacity: .75; }
.bar-muted { background: var(--fg-faint); opacity: .45; }

/* ---------- chart ---------- */

.chart {
  display: flex; align-items: flex-end; gap: 2px;
  height: 130px; padding-top: 6px;
}
.chart-col { flex: 1; height: 100%; display: flex; align-items: flex-end; min-width: 3px; }
.chart-stack { width: 100%; display: flex; flex-direction: column-reverse; border-radius: 2px; overflow: hidden; min-height: 2px; }
.seg { width: 100%; }
.seg-ok   { background: var(--ok); }
.seg-warn { background: var(--warn); }
.seg-bad  { background: var(--bad); }

.legend { display: flex; gap: 16px; margin-top: 10px; font-size: 11px; color: var(--fg-faint); }
.legend i { display: inline-block; width: 9px; height: 9px; border-radius: 2px; margin-right: 5px; }

/* ---------- category grid ---------- */

.catgrid { display: grid; grid-template-columns: repeat(auto-fill, minmax(165px, 1fr)); gap: 9px; }
.cat {
  background: var(--bg-sink); border: 1px solid var(--line);
  border-radius: var(--r); padding: 11px 13px;
  display: flex; flex-direction: column; gap: 1px;
  color: var(--fg);
}
.cat:hover { border-color: var(--accent); text-decoration: none; }
.cat-on { border-color: var(--accent); background: var(--bg-raise); }
.cat-ours { border-left: 3px solid var(--bad); }
.cat-n { font-size: 21px; font-weight: 600; font-variant-numeric: tabular-nums; }
.cat-l { font-size: 12px; color: var(--fg-dim); }
.cat-p { font-size: 11px; color: var(--fg-faint); }

/* ---------- blacklist grid ---------- */

.bl-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(210px, 1fr)); gap: 9px; }
.bl {
  border: 1px solid var(--line); border-radius: var(--r);
  padding: 10px 12px; background: var(--bg-sink);
  display: flex; flex-direction: column; gap: 2px;
}
.bl-name { font-size: 13px; font-weight: 500; }
.bl-ip { font-size: 11px; color: var(--fg-faint); }
.bl-state { font-size: 11px; text-transform: uppercase; letter-spacing: .06em; }
.bl-clear .bl-state { color: var(--ok); }
.bl-listed { border-color: var(--bad); background: var(--bad-bg); }
.bl-listed .bl-state { color: var(--bad); font-weight: 700; }
.bl-listed-info { border-color: var(--warn); }
.bl-listed-info .bl-state { color: var(--warn); }
.bl-resp { font-size: 10px; color: var(--fg-dim); word-break: break-all; }

/* ---------- services ---------- */

.services { display: grid; grid-template-columns: repeat(auto-fill, minmax(190px, 1fr)); gap: 8px; }
.svc { display: flex; align-items: center; gap: 8px; background: var(--bg-sink); border-radius: var(--r); padding: 8px 11px; }
.svc-name { font-size: 13px; }
.svc-state { margin-left: auto; font-size: 11px; color: var(--fg-faint); font-family: var(--mono); }

/* ---------- alerts ---------- */

.alertstrip { display: flex; flex-direction: column; gap: 8px; margin-bottom: 16px; }
.alert {
  display: flex; align-items: flex-start; gap: 12px;
  border: 1px solid var(--line); border-left-width: 3px;
  border-radius: var(--r); padding: 10px 14px;
  background: var(--bg-raise); font-size: 13px;
}
.alert-body { display: flex; flex-direction: column; gap: 2px; flex: 1; }
.alert-bad  { border-left-color: var(--bad);  background: var(--bad-bg); }
.alert-warn { border-left-color: var(--warn); background: var(--warn-bg); }
.alert.acked { opacity: .55; }
.alert strong { font-weight: 600; }
.alert span { color: var(--fg-dim); }
.alert em { font-style: normal; font-size: 11px; color: var(--fg-faint); }
.alert .more { font-size: 12px; }

/* ---------- filters / forms ---------- */

.filters { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 14px; align-items: center; }
input, select, button {
  font-family: inherit; font-size: 13px;
  background: var(--bg-raise); color: var(--fg);
  border: 1px solid var(--line); border-radius: var(--r);
  padding: 6px 10px;
}
input:focus, select:focus { outline: 2px solid var(--accent); outline-offset: -1px; }
button { cursor: pointer; background: var(--bg-sink); }
button:hover { border-color: var(--accent); }
button.ghost { background: transparent; font-size: 12px; padding: 4px 10px; }

.chip {
  display: inline-flex; align-items: center; gap: 6px;
  background: var(--bg-sink); border: 1px solid var(--line);
  border-radius: 20px; padding: 3px 11px; font-size: 12px;
}
.chip a { color: var(--fg-faint); font-size: 14px; line-height: 1; }

.pager { display: flex; gap: 16px; align-items: center; justify-content: center; margin-top: 18px; font-size: 13px; color: var(--fg-faint); }

/* ---------- explanatory copy ---------- */

.hint {
  font-size: 12px; color: var(--fg-faint);
  margin: 12px 0 0; line-height: 1.6;
  border-top: 1px solid var(--line-soft); padding-top: 10px;
  max-width: 78ch;
}
.empty { color: var(--fg-faint); font-size: 13px; padding: 14px 0; margin: 0; }

.explain-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 22px; }
@media (max-width: 800px) { .explain-grid { grid-template-columns: 1fr; } }
.explain-grid h3 { font-size: 12px; color: var(--fg-dim); margin: 0 0 6px; text-transform: uppercase; letter-spacing: .05em; }
.explain-grid p { margin: 0; font-size: 13px; line-height: 1.65; color: var(--fg-dim); max-width: 60ch; }

.explain-list { margin: 0; padding-left: 20px; max-width: 80ch; }
.explain-list li { margin-bottom: 11px; font-size: 13px; line-height: 1.65; color: var(--fg-dim); }
.explain-list strong { color: var(--fg); }

/* ---------- login ---------- */

body.centered { display: grid; place-items: center; min-height: 100vh; }
.login {
  background: var(--bg-raise); border: 1px solid var(--line);
  border-radius: 11px; padding: 30px 32px;
  width: min(360px, 92vw);
  display: flex; flex-direction: column; gap: 7px;
}
.login h1 { font-size: 19px; margin: 0; }
.login .sub { margin: 0 0 14px; font-size: 12px; color: var(--fg-faint); }
.login label { font-size: 11px; color: var(--fg-dim); text-transform: uppercase; letter-spacing: .06em; margin-top: 8px; }
.login button { margin-top: 18px; padding: 9px; background: var(--accent); color: #fff; border-color: var(--accent); font-weight: 500; }

/* ---------- footer ---------- */

footer {
  max-width: 1500px; margin: 0 auto; padding: 14px 20px 30px;
  display: flex; gap: 20px;
  font-size: 11px; color: var(--fg-faint);
  border-top: 1px solid var(--line-soft);
}

/* ---------- meters (filesystem usage) ---------- */

.meter {
  display: inline-block;
  width: calc(100% - 46px);
  height: 8px;
  background: var(--bg-sink);
  border-radius: 4px;
  overflow: hidden;
  vertical-align: middle;
}
.meter-fill { display: block; height: 100%; border-radius: 4px; }
.meter-ok   { background: var(--ok); opacity: .7; }
.meter-warn { background: var(--warn); }
.meter-bad  { background: var(--bad); }
.meter-label {
  display: inline-block; width: 40px;
  text-align: right; font-variant-numeric: tabular-nums;
  font-size: 12px; color: var(--fg-dim); vertical-align: middle;
}

/* ---------- service groups ---------- */

.group-head {
  font-size: 11px; font-weight: 600;
  color: var(--fg-faint);
  text-transform: uppercase; letter-spacing: .06em;
  margin: 18px 0 7px;
  padding-bottom: 5px;
  border-bottom: 1px solid var(--line-soft);
}
.group-head:first-of-type { margin-top: 0; }