/* mailtester-20261013 — стили vhost mail-tester.solusrex.ru.
   Лёгкая самостоятельная страница; темы light/dark через prefers-color-scheme.
   CSP style-src 'self' — инлайн-стилей нет. */

:root {
  --bg: #f4f5f7;
  --card: #ffffff;
  --text: #1c2430;
  --muted: #5c6773;
  --line: #dfe3e8;
  --accent: #2456c4;
  --accent-dark: #1b429c;
  --ok: #1e7f3c;
  --ok-bg: #e6f4ea;
  --warn: #9a6b00;
  --warn-bg: #fdf3d7;
  --bad: #b3261e;
  --bad-bg: #fbe9e7;
  --mono: "JetBrains Mono", "Cascadia Mono", Consolas, monospace;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #14181d;
    --card: #1d232a;
    --text: #e4e8ee;
    --muted: #97a1ad;
    --line: #2c343d;
    --accent: #6f9bff;
    --accent-dark: #8fb0ff;
    --ok: #57c07a;
    --ok-bg: #17281d;
    --warn: #d9a83f;
    --warn-bg: #2a2414;
    --bad: #ef7b72;
    --bad-bg: #2c1715;
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 16px/1.55 -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

.wrap { max-width: 860px; margin: 0 auto; padding: 28px 16px 60px; }

.hero h1 { margin: 0 0 6px; font-size: 30px; letter-spacing: -0.5px; }
.hero .sub { margin: 0 0 22px; color: var(--muted); max-width: 640px; }

.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 18px 20px;
  margin: 0 0 16px;
}

.btn {
  display: inline-block;
  border: 1px solid var(--line);
  background: var(--bg);
  color: var(--text);
  border-radius: 8px;
  padding: 10px 18px;
  font-size: 15px;
  cursor: pointer;
}
.btn:hover { border-color: var(--accent); }
.btn-primary { background: var(--accent); border-color: var(--accent); color: #fff; }
.btn-primary:hover { background: var(--accent-dark); border-color: var(--accent-dark); }
.btn:disabled { opacity: 0.55; cursor: default; }

.hint { color: var(--muted); font-size: 14px; margin: 10px 0 0; }

.stub { color: var(--warn); font-weight: 600; margin: 12px 0 0; }

.hidden { display: none !important; }

.addr-row { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; }
.address {
  font-family: var(--mono);
  font-size: 15px;
  background: var(--bg);
  border: 1px dashed var(--line);
  border-radius: 8px;
  padding: 10px 12px;
  word-break: break-all;
  flex: 1 1 320px;
}

.actions-row { display: flex; align-items: center; gap: 14px; margin-top: 14px; flex-wrap: wrap; }
.countdown { font-family: var(--mono); color: var(--muted); font-size: 14px; }
.status-line { color: var(--muted); font-size: 14px; margin: 12px 0 0; }
.state { font-weight: 600; margin: 12px 0 0; min-height: 1em; }
.state.ok { color: var(--ok); }
.state.warn { color: var(--warn); }
.state.bad { color: var(--bad); }

.score-row { display: flex; gap: 22px; align-items: center; flex-wrap: wrap; }
.score-num { font-size: 52px; font-weight: 700; min-width: 96px; text-align: center; }
.score-num.ok { color: var(--ok); }
.score-num.warn { color: var(--warn); }
.score-num.bad { color: var(--bad); }
.score-scale { flex: 1 1 260px; }
.score-bar {
  height: 14px; border-radius: 7px; background: var(--bg);
  border: 1px solid var(--line); overflow: hidden;
}
.score-fill { height: 100%; width: 0; border-radius: 7px; }
.score-fill.ok { background: var(--ok); }
.score-fill.warn { background: var(--warn); }
.score-fill.bad { background: var(--bad); }
.score-legend { display: flex; justify-content: space-between; color: var(--muted); font-size: 12px; margin-top: 6px; }

.disclaimer { color: var(--muted); font-size: 13px; margin: 12px 0 0; }

.meta { font-size: 14px; }
.meta h2 { margin: 0 0 8px; font-size: 16px; }
.meta dl { display: grid; grid-template-columns: max-content 1fr; gap: 4px 16px; margin: 0; }
.meta dt { color: var(--muted); }
.meta dd { margin: 0; word-break: break-all; }

.cards { display: grid; gap: 12px; }
.tcard { background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 14px 18px; }
.tcard-head { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.tcard-icon { font-weight: 700; width: 22px; text-align: center; }
.tcard-title { font-weight: 600; font-size: 16px; }
.tcard.ok .tcard-icon, .tcard.ok .tcard-title { color: var(--ok); }
.tcard.warn .tcard-icon, .tcard.warn .tcard-title { color: var(--warn); }
.tcard.bad .tcard-icon, .tcard.bad .tcard-title { color: var(--bad); }
.tcard-pen {
  font-family: var(--mono); font-size: 13px; color: var(--bad);
  background: var(--bad-bg); border-radius: 6px; padding: 2px 8px; margin-left: auto;
}
.tcard-advice { color: var(--muted); font-size: 14px; margin: 8px 0 0; }
.tcard-details { margin: 10px 0 0; font-size: 13px; color: var(--muted); }
.tcard-details ul { margin: 4px 0 0; padding-left: 18px; }
.tcard.ok { border-left: 4px solid var(--ok); }
.tcard.warn { border-left: 4px solid var(--warn); }
.tcard.bad { border-left: 4px solid var(--bad); }

.sa-summary { color: var(--muted); font-size: 14px; }
.table-scroll { overflow-x: auto; }
.sa-table { border-collapse: collapse; width: 100%; font-size: 13px; }
.sa-table th, .sa-table td { text-align: left; border-bottom: 1px solid var(--line); padding: 7px 10px; vertical-align: top; }
.sa-table th { color: var(--muted); font-weight: 600; white-space: nowrap; }
.sa-table td:first-child { font-family: var(--mono); white-space: nowrap; }
.sa-table td:nth-child(2) { font-family: var(--mono); white-space: nowrap; }

.raw-block summary { cursor: pointer; font-weight: 600; }
.raw {
  font-family: var(--mono);
  font-size: 12px;
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 12px;
  overflow-x: auto;
  white-space: pre-wrap;
  word-break: break-all;
  max-height: 420px;
  overflow-y: auto;
  margin: 10px 0 0;
}

.foot { color: var(--muted); font-size: 13px; text-align: center; margin-top: 26px; }

@media (max-width: 560px) {
  .wrap { padding-top: 18px; }
  .hero h1 { font-size: 24px; }
  .score-num { font-size: 40px; }
  .card { padding: 14px; }
}