:root {
  --bg: #f3f5f7; --card: #fff; --text: #14212e; --muted: #5b6b7a; --line: #dde3e8; --brand: #123a5c; --accent: #1e5a8a;
  --ok: #1d8a4e; --ok-bg: #e3f4ea; --warn: #9a6400; --warn-bg: #fdf1d8; --bad: #c0392b; --bad-bg: #fbe5e2; --na: #8a98a6;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #0e151c; --card: #17212b; --text: #e6edf3; --muted: #93a3b3; --line: #2a3744; --brand: #0b2a44; --accent: #4d9be0;
    --ok: #43c47d; --ok-bg: #143324; --warn: #f0b443; --warn-bg: #3a2c10; --bad: #ff7a6b; --bad-bg: #3a1a17; --na: #66788a;
    color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --bg: #0e151c; --card: #17212b; --text: #e6edf3; --muted: #93a3b3; --line: #2a3744; --brand: #0b2a44; --accent: #4d9be0;
  --ok: #43c47d; --ok-bg: #143324; --warn: #f0b443; --warn-bg: #3a2c10; --bad: #ff7a6b; --bad-bg: #3a1a17; --na: #66788a;
  color-scheme: dark;
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--text); font: 15px/1.45 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif; }
a { color: var(--accent); }
.top { display: flex; align-items: center; gap: 14px; background: var(--brand); color: #fff; padding: calc(10px + env(safe-area-inset-top)) calc(16px + env(safe-area-inset-right)) 10px calc(16px + env(safe-area-inset-left)); position: sticky; top: 0; z-index: 2; }
.top .brand span { font-weight: 400; opacity: .8; }
.top .small { opacity: .85; }
.top button { background: transparent; border: 1px solid rgba(255,255,255,.4); color: #fff; padding: 4px 10px; min-height: 0; }
main { max-width: 1200px; margin: 0 auto; padding: 16px; }
h1 { font-size: 22px; margin: 4px 0 14px; }
h2 { font-size: 17px; margin: 26px 0 10px; }
.grow { flex: 1; }
.small { font-size: 13px; }
.muted { color: var(--muted); }
.card { background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 16px; margin-bottom: 16px; }
.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(340px, 1fr)); gap: 16px; }
.grid .card { margin: 0; }
.inst-head { display: flex; align-items: center; gap: 10px; margin-bottom: 10px; }
.inst-head h3 { margin: 0; font-size: 17px; }
.dot { width: 14px; height: 14px; border-radius: 50%; flex: none; background: var(--na); }
.dot.ok { background: var(--ok); } .dot.warn { background: var(--warn); } .dot.bad { background: var(--bad); }
dl.kv { display: grid; grid-template-columns: max-content 1fr; gap: 4px 14px; margin: 10px 0 0; font-size: 14px; }
dl.kv dt { color: var(--muted); }
dl.kv dd { margin: 0; min-width: 0; overflow-wrap: anywhere; }
.badge { display: inline-block; font-size: 12px; font-weight: 700; padding: 1px 8px; border-radius: 99px; background: var(--line); color: var(--muted); 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); }
.spark { width: 100%; height: 44px; display: block; margin-top: 10px; }
.spark .line { fill: none; stroke: var(--accent); stroke-width: 1.5; }
.spark .fail { stroke: var(--bad); stroke-width: 2; }
.inc { display: flex; gap: 10px; align-items: baseline; padding: 8px 0; border-top: 1px solid var(--line); }
.inc:first-child { border-top: 0; }
table { width: 100%; border-collapse: collapse; background: var(--card); }
th, td { text-align: left; padding: 8px 10px; border-bottom: 1px solid var(--line); vertical-align: top; font-size: 14px; }
th { font-size: 12px; text-transform: uppercase; letter-spacing: .04em; color: var(--muted); background: var(--bg); }
.table-wrap { border: 1px solid var(--line); border-radius: 12px; overflow: auto; }
.notice { background: var(--warn-bg); color: var(--warn); border-radius: 10px; padding: 10px 14px; margin-bottom: 16px; font-weight: 600; }
.notice.bad { background: var(--bad-bg); color: var(--bad); }
form.login { max-width: 360px; margin: 60px auto; }
label { display: block; font-weight: 600; font-size: 13px; margin: 10px 0 3px; color: var(--muted); }
input { width: 100%; font: inherit; color: var(--text); background: var(--card); border: 1px solid var(--line); border-radius: 8px; padding: 8px 10px; }
button { font: inherit; font-weight: 600; border: 0; border-radius: 8px; padding: 8px 14px; min-height: 36px; background: var(--accent); color: #fff; cursor: pointer; }
.err { color: var(--bad); margin-top: 10px; }
select { font: inherit; color: var(--text); background: var(--card); border: 1px solid var(--line); border-radius: 8px; padding: 7px 9px; min-height: 36px; }
button.secondary { background: transparent; color: var(--accent); border: 1px solid var(--line); }
.row { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }
@media (max-width: 420px) { .grid { grid-template-columns: 1fr; } .top #round { display: none; } }
.top nav { display: flex; gap: 4px; }
.top nav a { color: #fff; text-decoration: none; padding: 4px 10px; border-radius: 8px; opacity: .8; font-weight: 600; font-size: 14px; white-space: nowrap; }
.top nav a.on { background: rgba(255,255,255,.16); opacity: 1; }
a.tk { color: inherit; text-decoration: none; }
a.tk:hover b { color: var(--accent); }
.msg.support { border-left: 4px solid var(--accent); }
.msg.customer { border-left: 4px solid var(--line); }
textarea { width: 100%; font: inherit; color: var(--text); background: var(--card); border: 1px solid var(--line); border-radius: 8px; padding: 8px 10px; }
@media (max-width: 560px) { .top { flex-wrap: wrap; } .top nav { order: 3; width: 100%; } }