:root {
  --bg: #f6f7f9;
  --surface: #ffffff;
  --border: #e3e6ea;
  --text: #1b1f24;
  --muted: #5f6b78;
  --accent: #2457c5;
  --ok: #1f8a4c;
  --ok-bg: #e6f4ec;
  --warn: #a86400;
  --warn-bg: #fdf1dc;
  --crit: #c62828;
  --crit-bg: #fbe5e5;
  --unknown: #6b7480;
  --unknown-bg: #eceef1;
  --line: #2457c5;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #111418;
    --surface: #1a1e24;
    --border: #2b313a;
    --text: #e6e9ed;
    --muted: #98a2ae;
    --accent: #7aa2ff;
    --ok: #4cc583;
    --ok-bg: #173323;
    --warn: #f0b04a;
    --warn-bg: #3a2c12;
    --crit: #ff6b6b;
    --crit-bg: #3d1a1a;
    --unknown: #9aa3ae;
    --unknown-bg: #262b32;
    --line: #7aa2ff;
    color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --bg: #111418; --surface: #1a1e24; --border: #2b313a; --text: #e6e9ed; --muted: #98a2ae;
  --accent: #7aa2ff; --ok: #4cc583; --ok-bg: #173323; --warn: #f0b04a; --warn-bg: #3a2c12;
  --crit: #ff6b6b; --crit-bg: #3d1a1a; --unknown: #9aa3ae; --unknown-bg: #262b32; --line: #7aa2ff;
  color-scheme: dark;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 15px/1.45 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  padding: env(safe-area-inset-top) env(safe-area-inset-right) env(safe-area-inset-bottom) env(safe-area-inset-left);
}
h1 { font-size: 1.2rem; margin: 0; letter-spacing: .01em; }
h2 { font-size: 1rem; margin: 0 0 .75rem; }
button {
  font: inherit; border: 0; border-radius: 8px; padding: .55rem .9rem;
  background: var(--accent); color: #fff; cursor: pointer;
}
button.secondary { background: transparent; color: var(--accent); border: 1px solid var(--border); }
button.link { background: none; color: var(--muted); padding: 0; text-decoration: underline; }
button.small { font-size: .8rem; padding: .25rem .55rem; }
button:focus-visible, input:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

.top {
  display: flex; align-items: center; justify-content: space-between; gap: 1rem;
  max-width: 1100px; margin: 0 auto; padding: 1rem 16px .5rem;
}
.brand { display: flex; align-items: center; gap: .6rem; }
.summary { font-weight: 600; padding: .3rem .7rem; border-radius: 999px; font-size: .85rem; }

main { max-width: 1100px; margin: 0 auto; padding: 0 16px 2rem; }
.login { display: grid; place-items: center; min-height: 60vh; }
.login form {
  width: min(360px, 100%); background: var(--surface); border: 1px solid var(--border);
  border-radius: 14px; padding: 1.5rem; display: grid; gap: .6rem;
}
input {
  font: inherit; padding: .6rem .7rem; border-radius: 8px; border: 1px solid var(--border);
  background: var(--bg); color: var(--text);
}
.error { color: var(--crit); min-height: 1.2em; margin: 0; }
.notice { background: var(--warn-bg); color: var(--warn); padding: .6rem .8rem; border-radius: 8px; }
.muted { color: var(--muted); }

.grid { display: grid; gap: 14px; grid-template-columns: repeat(auto-fill, minmax(min(100%, 330px), 1fr)); }
.card {
  background: var(--surface); border: 1px solid var(--border); border-radius: 14px; padding: 1rem;
  border-top: 4px solid var(--color, var(--unknown)); min-width: 0;
}
.card-head { display: flex; justify-content: space-between; align-items: flex-start; gap: .5rem; }
.card h3 { margin: 0; font-size: 1.05rem; }
.card .sub { color: var(--muted); font-size: .82rem; margin: .1rem 0 .7rem; }
.badge {
  font-size: .75rem; font-weight: 600; padding: .15rem .55rem; border-radius: 999px; white-space: nowrap;
  background: var(--tint, var(--unknown-bg)); color: var(--color, var(--unknown));
}
.s-ok { --color: var(--ok); --tint: var(--ok-bg); }
.s-warn { --color: var(--warn); --tint: var(--warn-bg); }
.s-crit { --color: var(--crit); --tint: var(--crit-bg); }
.s-unknown { --color: var(--unknown); --tint: var(--unknown-bg); }
.summary.s-ok, .summary.s-warn, .summary.s-crit, .summary.s-unknown { background: var(--tint); color: var(--color); }

.checks { list-style: none; margin: 0; padding: 0; display: grid; gap: .35rem; }
.checks li { display: grid; grid-template-columns: 10px 1fr; gap: .55rem; align-items: baseline; }
.dot { width: 10px; height: 10px; border-radius: 50%; background: var(--color); transform: translateY(1px); }
.c-name { font-weight: 500; }
.c-text { color: var(--muted); font-size: .85rem; overflow-wrap: anywhere; }

.metrics { display: grid; grid-template-columns: repeat(auto-fill, minmax(140px, 1fr)); gap: .5rem; margin-top: .9rem; }
.metric { border: 1px solid var(--border); border-radius: 10px; padding: .45rem .6rem; min-width: 0; }
.metric .m-name { font-size: .75rem; color: var(--muted); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.metric .m-value { font-size: 1.05rem; font-weight: 600; font-variant-numeric: tabular-nums; }
.metric svg { display: block; width: 100%; height: 26px; margin-top: .2rem; }
.metric path { fill: none; stroke: var(--line); stroke-width: 1.5; vector-effect: non-scaling-stroke; }

.card-foot { display: flex; justify-content: space-between; align-items: center; gap: .5rem; margin-top: .9rem; flex-wrap: wrap; }
.card-foot .muted { font-size: .8rem; }

.panel { background: var(--surface); border: 1px solid var(--border); border-radius: 14px; padding: 1rem; margin-top: 14px; }
.events { list-style: none; margin: 0; padding: 0; display: grid; gap: .5rem; max-height: 420px; overflow: auto; }
.events li { display: grid; grid-template-columns: 10px 1fr auto; gap: .6rem; align-items: baseline; }
.events time { color: var(--muted); font-size: .8rem; white-space: nowrap; font-variant-numeric: tabular-nums; }
.events .e-text { color: var(--muted); font-size: .85rem; overflow-wrap: anywhere; }
.buttons { display: flex; gap: .5rem; flex-wrap: wrap; }
.devices { color: var(--muted); font-size: .85rem; padding-left: 1.1rem; }
.foot { display: flex; justify-content: space-between; color: var(--muted); font-size: .8rem; margin-top: 1rem; }