:root {
  --bg: #f6f7f9;
  --card: #ffffff;
  --ink: #1d2430;
  --muted: #6b7482;
  --line: #e2e6ec;
  --accent: #2f6f4f;
  --accent-ink: #ffffff;
  --error: #b3261e;
  --warning: #9a6700;
  --ok: #1f7a4d;
  --changed: #2b6cb0;
  --radius: 10px;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 15px/1.5 -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

.wrap { max-width: 1080px; margin: 0 auto; padding: 0 20px; }

.top { background: var(--card); border-bottom: 1px solid var(--line); }
.top-inner { display: flex; align-items: center; justify-content: space-between; gap: 16px; flex-wrap: wrap; padding-top: 14px; padding-bottom: 14px; }
.brand { display: flex; align-items: baseline; gap: 12px; }
.logo { font-size: 22px; font-weight: 700; letter-spacing: -0.5px; color: var(--accent); }
.tagline { color: var(--muted); font-size: 14px; }

.tabs { display: flex; gap: 6px; flex-wrap: wrap; }
.tab {
  border: 1px solid var(--line); background: #fff; color: var(--ink);
  padding: 7px 14px; border-radius: 999px; cursor: pointer; font-size: 14px;
}
.tab:hover { border-color: #c9d1db; }
.tab.is-active { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); }

main { padding: 26px 20px 40px; }

.panel {
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 22px 24px 26px; margin-bottom: 20px;
}
.panel.hidden, .hidden { display: none !important; }

h1 { font-size: 22px; margin: 0 0 6px; }
h2 { font-size: 17px; margin: 26px 0 6px; }
.lead { color: var(--muted); margin: 0 0 18px; }
.muted { color: var(--muted); }

.row { display: flex; gap: 12px; align-items: flex-end; flex-wrap: wrap; margin-bottom: 16px; }
.field { display: flex; flex-direction: column; gap: 5px; font-size: 13px; color: var(--muted); }
.field.grow { flex: 1 1 320px; }
.field > span { font-weight: 600; }

input[type="text"], select {
  font: inherit; color: var(--ink); background: #fff;
  border: 1px solid var(--line); border-radius: 8px; padding: 8px 10px; min-width: 190px;
}
input[type="text"]:focus, select:focus { outline: 2px solid rgba(47, 111, 79, .25); border-color: var(--accent); }

.btn {
  font: inherit; cursor: pointer; border-radius: 8px; padding: 9px 16px;
  border: 1px solid var(--line); background: #fff; color: var(--ink);
}
.btn:hover:not(:disabled) { border-color: #c9d1db; }
.btn:disabled { opacity: .5; cursor: not-allowed; }
.btn.primary { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); }
.btn.primary:hover:not(:disabled) { background: #275c41; }

.result { border-top: 1px solid var(--line); padding-top: 16px; }
.result.is-empty { color: var(--muted); }

.compare { display: flex; gap: 14px; flex-wrap: wrap; align-items: stretch; margin-bottom: 12px; }
.compare > div {
  flex: 1 1 260px; border: 1px solid var(--line); border-radius: 8px; padding: 10px 12px; background: #fbfcfd;
}
.compare .label { font-size: 12px; color: var(--muted); text-transform: uppercase; letter-spacing: .04em; }
.compare .value { font-size: 16px; margin-top: 4px; word-break: break-word; }

.badge { display: inline-block; padding: 3px 9px; border-radius: 999px; font-size: 12px; font-weight: 600; }
.badge.ok { background: #e4f4ea; color: var(--ok); }
.badge.changed { background: #e3eefb; color: var(--changed); }
.badge.warning { background: #fdf1d8; color: var(--warning); }
.badge.error { background: #fbe3e1; color: var(--error); }

.issues { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 8px; }
.issue { border-left: 3px solid var(--line); padding: 6px 10px; background: #fbfcfd; border-radius: 0 6px 6px 0; }
.issue.error { border-left-color: var(--error); }
.issue.warning { border-left-color: var(--warning); }
.issue.info { border-left-color: var(--changed); }
.issue .msg { font-weight: 600; }
.issue .hint { color: var(--muted); font-size: 13px; }

.meta { display: flex; gap: 10px; flex-wrap: wrap; margin: 4px 0 14px; }
.meta .chip { border: 1px solid var(--line); border-radius: 999px; padding: 4px 11px; font-size: 13px; color: var(--muted); background: #fbfcfd; }

.table-wrap { overflow: auto; border: 1px solid var(--line); border-radius: 8px; margin-bottom: 14px; max-height: 420px; }
table { border-collapse: collapse; width: 100%; font-size: 14px; }
th, td { border-bottom: 1px solid var(--line); padding: 7px 10px; text-align: left; vertical-align: top; }
th { background: #f2f4f7; position: sticky; top: 0; font-weight: 600; }
tr:last-child td { border-bottom: none; }
td.status-ok { color: var(--ok); }
td.status-changed { color: var(--changed); }
td.status-warning { color: var(--warning); }
td.status-error { color: var(--error); }

.summary { display: flex; gap: 10px; flex-wrap: wrap; margin-bottom: 8px; }
.summary .card { border: 1px solid var(--line); border-radius: 8px; padding: 8px 14px; min-width: 92px; background: #fbfcfd; }
.summary .card .n { font-size: 20px; font-weight: 700; }
.summary .card .t { font-size: 12px; color: var(--muted); }

.rules { display: grid; grid-template-columns: repeat(auto-fill, minmax(290px, 1fr)); gap: 12px; }
.rule-card { border: 1px solid var(--line); border-radius: 8px; padding: 12px 14px; background: #fbfcfd; }
.rule-card h3 { margin: 0 0 4px; font-size: 15px; }
.rule-card p { margin: 0 0 8px; color: var(--muted); font-size: 13px; }
.rule-card code { background: #fff; border: 1px solid var(--line); border-radius: 5px; padding: 1px 6px; font-size: 12px; }
.rule-card ul { margin: 6px 0 0; padding-left: 18px; color: var(--muted); font-size: 13px; }

.foot { padding-bottom: 30px; color: var(--muted); font-size: 13px; }