:root {
  --bg: #f4f6f9;
  --panel: #ffffff;
  --text: #17202b;
  --muted: #6b7684;
  --border: #e2e7ee;
  --accent: #2f6fed;
  --accent-text: #ffffff;
  --ok: #17a34a;
  --ok-bg: #e9f8ef;
  --warn: #d48806;
  --warn-bg: #fff6e0;
  --fail: #dc2f2f;
  --fail-bg: #fdecec;
  --unknown: #8a94a3;
  --unknown-bg: #f0f2f5;
  --code-bg: #f1f4f8;
  --shadow: 0 1px 2px rgba(16, 24, 40, .05), 0 1px 3px rgba(16, 24, 40, .06);
  --radius: 10px;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0f1419;
    --panel: #171d24;
    --text: #e3e8ee;
    --muted: #8b96a3;
    --border: #273039;
    --accent: #5b8ef5;
    --ok: #3cc46b;
    --ok-bg: #12291b;
    --warn: #e6a23c;
    --warn-bg: #2d2412;
    --fail: #f06262;
    --fail-bg: #331718;
    --unknown: #7c8794;
    --unknown-bg: #1e252d;
    --code-bg: #10161c;
    --shadow: none;
    color-scheme: dark;
  }
}

* { box-sizing: border-box; }
html, body { margin: 0; }
body {
  font: 14px/1.45 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
h1 { font-size: 22px; margin: 0; }
h2 { font-size: 16px; margin: 0 0 12px; }
code, .mono, pre { font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; font-size: 12.5px; }
code { background: var(--code-bg); padding: 1px 5px; border-radius: 4px; }
.muted { color: var(--muted); }
.small { font-size: 12px; }
.nowrap { white-space: nowrap; }
.ok-text { color: var(--ok); }
.fail-text { color: var(--fail); }
.spacer { flex: 1; }

/* layout */
.topbar {
  display: flex; align-items: center; gap: 24px;
  padding: 10px 24px; background: var(--panel); border-bottom: 1px solid var(--border);
  position: sticky; top: 0; z-index: 10;
}
.topbar nav { display: flex; gap: 4px; flex: 1; }
.topbar nav a { padding: 6px 12px; border-radius: 6px; color: var(--muted); }
.topbar nav a:hover { background: var(--unknown-bg); text-decoration: none; color: var(--text); }
.topbar nav a.active { background: var(--unknown-bg); color: var(--text); font-weight: 600; }
.logout { display: flex; align-items: center; gap: 10px; margin: 0; }
.brand { display: flex; align-items: center; gap: 8px; font-weight: 700; color: var(--text); }
.brand:hover { text-decoration: none; }
.brand-lg { font-size: 20px; justify-content: center; margin-bottom: 18px; }
.brand-dot { width: 12px; height: 12px; border-radius: 50%; background: var(--ok); box-shadow: 0 0 0 4px var(--ok-bg); }
.container { max-width: 1440px; margin: 0 auto; padding: 24px; }
.page-head { display: flex; align-items: center; justify-content: space-between; gap: 16px; margin-bottom: 18px; flex-wrap: wrap; }
.page-actions { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }

/* buttons */
.btn {
  display: inline-flex; align-items: center; gap: 6px; justify-content: center;
  padding: 8px 14px; border-radius: 7px; border: 1px solid var(--border);
  background: var(--panel); color: var(--text); font: inherit; font-weight: 500; cursor: pointer;
  text-decoration: none; white-space: nowrap;
}
.btn:hover { border-color: var(--muted); text-decoration: none; }
.btn:disabled { opacity: .6; cursor: progress; }
.btn-primary { background: var(--accent); border-color: var(--accent); color: var(--accent-text); }
.btn-primary:hover { filter: brightness(1.08); border-color: var(--accent); }
.btn-ghost { background: transparent; }
.btn-danger-ghost { background: transparent; color: var(--fail); border-color: var(--fail-bg); }
.btn-danger-ghost:hover { border-color: var(--fail); }
.btn-sm { padding: 5px 10px; font-size: 13px; }
.btn-block { width: 100%; margin-top: 16px; }

.spinner {
  display: none; width: 12px; height: 12px; border-radius: 50%;
  border: 2px solid currentColor; border-right-color: transparent; animation: spin .7s linear infinite;
}
.htmx-request .spinner, .htmx-request.spinner { display: inline-block; }
@keyframes spin { to { transform: rotate(360deg); } }

.flash { background: var(--ok-bg); color: var(--ok); padding: 10px 14px; border-radius: 8px; margin-bottom: 16px; font-weight: 500; }
.alert { background: var(--fail-bg); color: var(--fail); padding: 10px 14px; border-radius: 8px; margin-bottom: 16px; }
.empty { text-align: center; padding: 48px 16px; color: var(--muted); }

/* summary pills */
.summary { display: flex; gap: 8px; align-items: center; margin-bottom: 16px; flex-wrap: wrap; }
.pill { background: var(--panel); border: 1px solid var(--border); border-radius: 999px; padding: 4px 12px; }
.pill-ok b { color: var(--ok); }
.pill-fail { border-color: var(--fail); }
.pill-fail b { color: var(--fail); }
.search { min-width: 260px; }

/* cards */
.cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(min(560px, 100%), 1fr)); gap: 16px; }
.card {
  background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius);
  box-shadow: var(--shadow); padding: 14px; border-left: 4px solid var(--unknown);
}
.card.state-ok { border-left-color: var(--ok); }
.card.state-warn { border-left-color: var(--warn); }
.card.state-fail { border-left-color: var(--fail); }
.card.state-off { border-left-color: var(--border); }
.card[hidden] { display: none; }
.card-head { display: flex; justify-content: space-between; gap: 12px; align-items: flex-start; margin-bottom: 12px; }
.card-name { min-width: 0; }
.card-title { display: block; font-weight: 700; font-size: 16px; color: var(--text); }
.card-url { display: block; color: var(--muted); font-size: 12px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.card-actions { display: flex; gap: 6px; flex-shrink: 0; }

.tiles { display: grid; grid-template-columns: repeat(4, 1fr); gap: 8px; }
.tile {
  border-radius: 8px; padding: 10px; background: var(--unknown-bg); min-height: 116px;
  display: flex; flex-direction: column; gap: 2px; min-width: 0; color: var(--text);
}
.tile-link:hover { text-decoration: none; outline: 1px solid var(--border); }
.tile-head { display: flex; align-items: center; gap: 6px; }
.tile-title { font-size: 12px; color: var(--muted); font-weight: 600; text-transform: uppercase; letter-spacing: .02em; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.tile-label { font-weight: 700; font-size: 14px; }
.tile-main, .tile-sub { font-size: 12px; color: var(--muted); }
.tile-error {
  font-size: 12px; color: var(--fail); word-break: break-word;
  display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden;
}
.tile-time { margin-top: auto; font-size: 11px; color: var(--muted); }
.dot { width: 9px; height: 9px; border-radius: 50%; background: var(--unknown); flex-shrink: 0; }
.t-ok { background: var(--ok-bg); } .t-ok .dot { background: var(--ok); } .t-ok .tile-label { color: var(--ok); }
.t-warn { background: var(--warn-bg); } .t-warn .dot { background: var(--warn); } .t-warn .tile-label { color: var(--warn); }
.t-fail { background: var(--fail-bg); } .t-fail .dot { background: var(--fail); animation: pulse 1.6s infinite; } .t-fail .tile-label { color: var(--fail); }
.t-off { opacity: .6; } .t-off .tile-label { color: var(--muted); font-weight: 500; }
@keyframes pulse { 50% { opacity: .35; } }

/* forms */
.form { display: flex; flex-direction: column; gap: 16px; }
.panel { background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius); padding: 16px 18px; margin: 0 0 16px; box-shadow: var(--shadow); min-width: 0; }
.form .panel { margin: 0; }
legend { font-weight: 700; font-size: 15px; padding: 0 6px; margin-left: -6px; }
label { display: block; font-weight: 600; font-size: 13px; margin-bottom: 4px; }
input[type=text], input[type=url], input[type=password], input[type=number], input[type=search], select, textarea {
  width: 100%; padding: 8px 10px; border: 1px solid var(--border); border-radius: 7px;
  background: var(--bg); color: var(--text); font: inherit;
}
textarea { resize: vertical; min-height: 84px; }
input:focus, select:focus, textarea:focus { outline: 2px solid var(--accent); outline-offset: -1px; border-color: transparent; }
.invalid { border-color: var(--fail) !important; }
.field { margin-bottom: 12px; min-width: 0; }
.field-error { color: var(--fail); font-size: 12px; margin-top: 4px; }
.hint { color: var(--muted); font-size: 12px; margin-top: 4px; font-weight: 400; }
.field-check { display: flex; align-items: flex-end; }
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 0 16px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0 16px; }
.grid-url { display: grid; grid-template-columns: 110px 1fr; gap: 0 12px; }
.grid-match { display: grid; grid-template-columns: 220px 1fr 220px; gap: 0 16px; }
.form-actions { display: flex; gap: 8px; align-items: center; }
.block-top { display: flex; gap: 16px; align-items: center; margin-bottom: 12px; flex-wrap: wrap; }
.block-top .hint { margin: 0; }
.check-block:has(.block-toggle:not(:checked)) .block-body { opacity: .5; }
.block-actions { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }
.test-slot { flex-basis: 100%; }
.test-slot:empty { display: none; }
.test-result { border: 1px solid var(--border); border-radius: 8px; padding: 10px 12px; margin-top: 4px; }
.tr-head { display: flex; align-items: center; gap: 8px; font-weight: 700; background: none !important; }
.tr-head.t-ok { color: var(--ok); } .tr-head.t-fail { color: var(--fail); }
.pre { background: var(--code-bg); padding: 10px 12px; border-radius: 7px; overflow: auto; max-height: 320px; white-space: pre-wrap; word-break: break-word; margin: 8px 0; }
details summary { cursor: pointer; color: var(--accent); margin: 8px 0; }
.doc p { margin: 8px 0; }
label.check { font-weight: 400; display: flex; gap: 6px; align-items: center; margin-top: 6px; }

/* switch */
.switch { display: inline-flex; align-items: center; gap: 8px; font-weight: 500; cursor: pointer; margin: 4px 16px 4px 0; }
.switch input { position: absolute; opacity: 0; width: 0; height: 0; }
.switch span { width: 34px; height: 20px; border-radius: 999px; background: var(--border); position: relative; transition: background .15s; flex-shrink: 0; }
.switch span::after { content: ""; position: absolute; top: 2px; left: 2px; width: 16px; height: 16px; border-radius: 50%; background: #fff; transition: transform .15s; }
.switch input:checked + span { background: var(--ok); }
.switch input:checked + span::after { transform: translateX(14px); }
.switch input:focus-visible + span { outline: 2px solid var(--accent); outline-offset: 2px; }

/* segmented radio */
.seg { display: inline-flex; border: 1px solid var(--border); border-radius: 7px; overflow: hidden; }
.seg label { margin: 0; font-weight: 500; }
.seg input { position: absolute; opacity: 0; }
.seg span { display: block; padding: 7px 14px; cursor: pointer; font-family: ui-monospace, monospace; font-size: 12.5px; }
.seg input:checked + span { background: var(--accent); color: var(--accent-text); }
.seg input:focus-visible + span { outline: 2px solid var(--accent); }

.copy-row { display: flex; gap: 8px; margin-bottom: 10px; }
.token-block { margin-bottom: 8px; }

/* tables */
.table { width: 100%; border-collapse: collapse; }
.table th { text-align: left; font-size: 12px; color: var(--muted); font-weight: 600; padding: 8px; border-bottom: 1px solid var(--border); }
.table td { padding: 8px; border-bottom: 1px solid var(--border); vertical-align: top; }
.table .num { text-align: right; white-space: nowrap; }
.table .msg { word-break: break-word; white-space: pre-wrap; }
.row-fail td { background: color-mix(in srgb, var(--fail-bg) 55%, transparent); }
.more-row td { text-align: center; border-bottom: 0; }
.badge { display: inline-block; padding: 1px 8px; border-radius: 999px; font-size: 12px; font-weight: 600; background: var(--unknown-bg); color: var(--muted); }
.badge-ok { background: var(--ok-bg); color: var(--ok); }
.badge-fail { background: var(--fail-bg); color: var(--fail); }

/* charts */
.strip-cell { width: 55%; }
.strip { width: 100%; height: 28px; display: block; }
.chart { width: 100%; height: 120px; display: block; }
.chart-wrap { margin-bottom: 14px; }
.chart-axis { display: flex; justify-content: space-between; color: var(--muted); font-size: 11px; }
.b-ok { fill: var(--ok); }
.b-warn { fill: var(--warn); }
.b-fail { fill: var(--fail); }
.b-none { fill: var(--border); }
.type-stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 8px; }
.type-stat { border: 1px solid var(--border); border-radius: 8px; padding: 8px 10px; color: var(--text); }
.type-stat:hover, .type-stat.active { border-color: var(--accent); text-decoration: none; }
.type-name { display: block; font-weight: 600; font-size: 13px; }
.filters { display: flex; gap: 8px; margin-bottom: 12px; flex-wrap: wrap; align-items: center; }
.filters select { width: auto; }
.filters input[type=search] { flex: 1; min-width: 200px; }

/* login */
.login-wrap { min-height: 80vh; display: flex; align-items: center; justify-content: center; }
.login { width: 100%; max-width: 360px; padding: 28px; border-left-width: 1px; }
.login label { margin-top: 12px; }

@media (max-width: 1200px) { .cards { grid-template-columns: minmax(0, 1fr); } }
@media (max-width: 760px) {
  .container { padding: 14px; }
  .topbar { padding: 10px 14px; gap: 10px; flex-wrap: wrap; }
  .tiles, .type-stats { grid-template-columns: repeat(2, 1fr); }
  .grid-2, .grid-3, .grid-match { grid-template-columns: 1fr; }
  .search { min-width: 0; width: 100%; }
  .card-head { flex-wrap: wrap; }
  .page-actions { width: 100%; }
  .table { display: block; overflow-x: auto; }
  .strip-cell { width: auto; min-width: 160px; }
}