:root {
    --bg:       #090a0d;
    --bg-2:     #0d0e12;
    --bg-3:     #111318;
    --bg-4:     #161820;
    --border:   rgba(255, 255, 255, 0.06);
    --border-2: rgba(255, 255, 255, 0.11);
    --accent:   #00bfff;
    --text:     rgba(235, 238, 245, 0.92);
    --text-dim: rgba(170, 178, 195, 0.66);
    --text-lbl: rgba(150, 158, 176, 0.5);
    --green:    #3ddc97;
    --amber:    #ffb450;
    --orange:   #ff8a3d;
    --red:      #ff5a5a;
    --none:     rgba(255, 255, 255, 0.09);
    --mono:     'IBM Plex Mono', ui-monospace, 'SF Mono', Menlo, Consolas, monospace;
    --sans:     'IBM Plex Sans', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
    --state:    var(--text-lbl);
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
    margin: 0;
    background:
        radial-gradient(900px 420px at 50% -160px, rgba(0, 191, 255, 0.07), transparent 70%),
        var(--bg);
    color: var(--text);
    font: 400 15px/1.55 var(--sans);
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
h1, h2, h3, p, dl, dd, ul { margin: 0; padding: 0; }
ul { list-style: none; }
[hidden] { display: none !important; }

/* ── top bar ─────────────────────────────────────────────── */
.top, main, .foot { width: min(960px, 100% - 32px); margin-inline: auto; }
.top {
    display: flex; align-items: baseline; gap: 12px;
    padding: 22px 0 18px;
    font-family: var(--mono);
}
.brand { font-weight: 600; font-size: 15px; letter-spacing: 0.22em; }
.brand span { color: var(--accent); }
.crumb { color: var(--text-lbl); font-size: 13px; letter-spacing: 0.08em; }
.back {
    margin-left: auto; color: var(--text-dim); font-size: 13px;
    padding: 6px 10px; border: 1px solid var(--border); border-radius: 6px;
    transition: color .15s, border-color .15s;
}
.back:hover, .back:focus-visible { color: var(--accent); border-color: rgba(0, 191, 255, 0.4); outline: none; }

/* ── hero ────────────────────────────────────────────────── */
.hero {
    display: flex; align-items: center; gap: 18px; flex-wrap: wrap;
    padding: 24px 26px;
    border: 1px solid color-mix(in srgb, var(--state) 34%, transparent);
    border-radius: 14px;
    background:
        linear-gradient(135deg, color-mix(in srgb, var(--state) 11%, transparent), transparent 62%),
        var(--bg-2);
}
.hero[data-state="operational"] { --state: var(--green); }
.hero[data-state="degraded"]    { --state: var(--amber); }
.hero[data-state="partial"]     { --state: var(--orange); }
.hero[data-state="major"]       { --state: var(--red); }
.hero-text { flex: 1 1 260px; min-width: 0; }
.hero h1 { font: 600 clamp(20px, 3.4vw, 27px)/1.2 var(--sans); letter-spacing: -0.01em; }
.hero p  { margin-top: 5px; color: var(--text-dim); font: 400 13px/1.5 var(--mono); }
.beacon {
    position: relative; flex: none; width: 14px; height: 14px; border-radius: 50%;
    background: var(--state); box-shadow: 0 0 14px color-mix(in srgb, var(--state) 70%, transparent);
}
.beacon::after {
    content: ''; position: absolute; inset: -7px; border-radius: 50%;
    border: 1px solid var(--state); opacity: 0;
    animation: beacon 2.4s ease-out infinite;
}
@keyframes beacon { 0% { transform: scale(.55); opacity: .7; } 100% { transform: scale(1.5); opacity: 0; } }
.hero-kpi { display: flex; gap: 26px; }
.hero-kpi dt { font: 500 11px/1.4 var(--mono); letter-spacing: 0.1em; text-transform: uppercase; color: var(--text-lbl); }
.hero-kpi dd { font: 600 20px/1.3 var(--mono); font-variant-numeric: tabular-nums; }

/* ── blocks ──────────────────────────────────────────────── */
.block { margin-top: 38px; }
.block-head { display: flex; align-items: baseline; justify-content: space-between; gap: 8px 18px; flex-wrap: wrap; margin-bottom: 12px; }
h2 { font: 600 13px/1.4 var(--mono); letter-spacing: 0.16em; text-transform: uppercase; color: var(--accent); }
.note { color: var(--text-lbl); font: 400 12.5px/1.5 var(--mono); }
.panel { border: 1px solid var(--border); border-radius: 12px; background: var(--bg-2); padding: 18px 20px 14px; }

.legend { display: flex; flex-wrap: wrap; gap: 4px 14px; color: var(--text-lbl); font: 400 12px/1.5 var(--mono); }
.legend li { display: flex; align-items: center; gap: 6px; }
.legend .b { width: 8px; height: 12px; border-radius: 2px; flex: none; }

/* ── services ────────────────────────────────────────────── */
.services { border: 1px solid var(--border); border-radius: 12px; background: var(--bg-2); overflow: hidden; }
.svc { padding: 18px 20px 14px; }
.svc + .svc { border-top: 1px solid var(--border); }
.svc-head { display: flex; align-items: center; gap: 12px; }
.svc-name { min-width: 0; flex: 1; }
.svc h3 { font: 600 16px/1.3 var(--sans); }
.svc-name p { color: var(--text-dim); font-size: 13.5px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.svc-ms { color: var(--text-dim); font: 500 13px/1 var(--mono); font-variant-numeric: tabular-nums; white-space: nowrap; }
.pill {
    --c: var(--text-lbl);
    display: inline-flex; align-items: center; gap: 7px; white-space: nowrap;
    padding: 5px 10px 5px 9px; border-radius: 999px;
    font: 500 12.5px/1 var(--mono); color: var(--c);
    background: color-mix(in srgb, var(--c) 11%, transparent);
    border: 1px solid color-mix(in srgb, var(--c) 30%, transparent);
}
.pill::before { content: ''; width: 7px; height: 7px; border-radius: 50%; background: var(--c); }
.svc[data-status="up"] .pill       { --c: var(--green); }
.svc[data-status="degraded"] .pill { --c: var(--amber); }
.svc[data-status="down"] .pill     { --c: var(--red); }

.bars { display: flex; gap: 2px; height: 34px; margin-top: 14px; }
.b { flex: 1 1 0; min-width: 0; border-radius: 2px; background: var(--none); }
.bars .b { transition: transform .12s, filter .12s; transform-origin: bottom; }
.bars .b:hover { transform: scaleY(1.14); filter: brightness(1.25); }
.b.ok      { background: var(--green); }
.b.minor   { background: #b4dc5a; }
.b.partial { background: var(--amber); }
.b.major   { background: var(--red); }
.bars-foot {
    display: flex; align-items: center; gap: 10px; margin-top: 8px;
    color: var(--text-lbl); font: 400 12px/1 var(--mono); white-space: nowrap;
}
.bars-foot .rule { flex: 1; height: 1px; background: var(--border); }
.bars-foot .pct { color: var(--text-dim); font-variant-numeric: tabular-nums; }
.bars-foot .short { display: none; }

/* ── stability chart ─────────────────────────────────────── */
.chips { display: flex; flex-wrap: wrap; gap: 8px; }
.chip {
    appearance: none; cursor: pointer;
    padding: 7px 12px; border-radius: 7px;
    border: 1px solid var(--border-2); background: transparent; color: var(--text-dim);
    font: 500 13px/1 var(--mono);
    transition: color .15s, border-color .15s, background .15s;
}
.chip:hover { color: var(--text); }
.chip[aria-selected="true"] { color: var(--accent); border-color: rgba(0, 191, 255, 0.45); background: rgba(0, 191, 255, 0.08); }
.chip:focus-visible, .btn:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

.stats { display: flex; flex-wrap: wrap; gap: 10px 30px; margin-top: 16px; }
.stats dt { font: 500 11px/1.4 var(--mono); letter-spacing: 0.1em; text-transform: uppercase; color: var(--text-lbl); }
.stats dd { font: 600 18px/1.35 var(--mono); font-variant-numeric: tabular-nums; }
.stats dd small { font: 400 12px/1 var(--mono); color: var(--text-lbl); margin-left: 3px; }

.chart { position: relative; margin-top: 14px; height: 230px; }
.chart svg { display: block; width: 100%; height: 100%; overflow: visible; touch-action: pan-y; }
.chart .grid { stroke: var(--border); stroke-width: 1; shape-rendering: crispEdges; }
.chart .axis { fill: var(--text-lbl); font: 400 11px var(--mono); }
.chart .area { fill: url(#fade); }
.chart .avg  { fill: none; stroke: var(--accent); stroke-width: 1.8; stroke-linejoin: round; stroke-linecap: round; }
.chart .peak { fill: none; stroke: rgba(235, 238, 245, 0.2); stroke-width: 1; stroke-dasharray: 3 3; }
.chart .failband { fill: rgba(255, 90, 90, 0.16); }
.chart .failtick { fill: var(--red); }
.chart .cursor { stroke: rgba(235, 238, 245, 0.28); stroke-width: 1; shape-rendering: crispEdges; }
.chart .cursor-dot { fill: var(--bg-2); stroke: var(--accent); stroke-width: 2; }
.chart-empty { position: absolute; inset: 0; display: grid; place-items: center; color: var(--text-lbl); font: 400 13px var(--mono); text-align: center; padding: 0 20px; }
.chart-key { display: flex; flex-wrap: wrap; gap: 4px 18px; margin-top: 6px; color: var(--text-lbl); font: 400 12px/1.5 var(--mono); }
.chart-key li { display: flex; align-items: center; gap: 7px; }
.k { width: 16px; height: 0; flex: none; }
.k.line { border-top: 2px solid var(--accent); }
.k.peak { border-top: 1px dashed rgba(235, 238, 245, 0.4); }
.k.fail { height: 9px; width: 9px; border-radius: 2px; background: rgba(255, 90, 90, 0.55); }

/* ── your connection ─────────────────────────────────────── */
.you { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.25fr); gap: 20px 28px; align-items: end; padding-bottom: 18px; }
.verdict { display: flex; align-items: center; gap: 9px; font: 600 17px/1.3 var(--sans); --c: var(--text-lbl); }
.verdict .dot { width: 9px; height: 9px; border-radius: 50%; background: var(--c); box-shadow: 0 0 10px color-mix(in srgb, var(--c) 60%, transparent); }
.verdict[data-state="running"]  { --c: var(--accent); }
.verdict[data-state="stable"]   { --c: var(--green); }
.verdict[data-state="fair"]     { --c: var(--amber); }
.verdict[data-state="unstable"] { --c: var(--red); }
.verdict[data-state="running"] .dot { animation: blink 1s ease-in-out infinite; }
@keyframes blink { 50% { opacity: .25; } }
.btn {
    margin-top: 16px; cursor: pointer; appearance: none;
    padding: 9px 16px; border-radius: 7px;
    border: 1px solid rgba(0, 191, 255, 0.4); background: rgba(0, 191, 255, 0.08); color: var(--accent);
    font: 500 13px/1 var(--mono);
    transition: background .15s;
}
.btn:hover:not(:disabled) { background: rgba(0, 191, 255, 0.16); }
.btn:disabled { cursor: default; opacity: .5; }
.pings { display: flex; align-items: flex-end; gap: 4px; height: 96px; padding-bottom: 1px; border-bottom: 1px solid var(--border); }
.ping { flex: 1 1 0; min-width: 0; min-height: 3px; border-radius: 2px 2px 0 0; background: var(--none); transition: height .25s ease-out, background .2s; }
.ping.done { background: var(--accent); }
.ping.slow { background: var(--amber); }
.ping.lost { background: var(--red); }

/* ── incidents ───────────────────────────────────────────── */
.incidents { border: 1px solid var(--border); border-radius: 12px; background: var(--bg-2); overflow: hidden; }
.inc { display: grid; grid-template-columns: auto minmax(0, 1fr) auto; gap: 4px 14px; align-items: center; padding: 14px 20px; }
.inc + .inc { border-top: 1px solid var(--border); }
.inc-mark { width: 8px; height: 8px; border-radius: 50%; background: var(--text-lbl); }
.inc.open .inc-mark { background: var(--red); box-shadow: 0 0 10px rgba(255, 90, 90, 0.7); }
.inc-title { font: 500 15px/1.4 var(--sans); }
.inc-title b { font-weight: 600; }
.inc-meta { grid-column: 2; color: var(--text-dim); font: 400 12.5px/1.5 var(--mono); }
.inc-dur { grid-row: 1 / span 2; grid-column: 3; text-align: right; color: var(--text-dim); font: 500 13px/1.4 var(--mono); white-space: nowrap; }
.inc.open .inc-dur { color: var(--red); }
.empty { padding: 22px 20px; color: var(--text-dim); font: 400 14px/1.5 var(--sans); display: flex; align-items: center; gap: 10px; }
.empty::before { content: ''; width: 8px; height: 8px; border-radius: 50%; background: var(--green); flex: none; }

/* ── misc ────────────────────────────────────────────────── */
.foot {
    display: flex; flex-wrap: wrap; justify-content: space-between; gap: 6px 20px;
    margin-top: 44px; padding: 18px 0 34px; border-top: 1px solid var(--border);
    color: var(--text-lbl); font: 400 12px/1.6 var(--mono);
}
.tip {
    position: fixed; z-index: 20; top: 0; left: 0; pointer-events: none;
    max-width: 240px; padding: 9px 11px; border-radius: 8px;
    background: #1a1d26; border: 1px solid var(--border-2); box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
    font: 400 12.5px/1.55 var(--mono); color: var(--text-dim);
}
.tip b { display: block; color: var(--text); font-weight: 600; }
.tip .v { color: var(--text); font-variant-numeric: tabular-nums; }
.skeleton { height: 104px; background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.035), transparent) 0 0 / 200% 100%; animation: shimmer 1.4s linear infinite; }
.skeleton + .skeleton { border-top: 1px solid var(--border); }
.skeleton.thin { height: 64px; }
@keyframes shimmer { to { background-position: -200% 0; } }
.noscript { width: min(960px, 100% - 32px); margin: 20px auto; color: var(--amber); font: 400 14px var(--mono); }

@media (max-width: 720px) {
    .hero { padding: 20px; }
    .hero-kpi { width: 100%; gap: 22px; padding-top: 14px; border-top: 1px solid var(--border); }
    .you { grid-template-columns: minmax(0, 1fr); }
    .svc-ms { display: none; }
    .bars .b:nth-child(-n+45) { display: none; }      /* na telefonie: ostatnie 45 dni */
    .bars-foot .long { display: none; }
    .bars-foot .short { display: inline; }
    .chart { height: 200px; }
    .inc { grid-template-columns: auto minmax(0, 1fr); }
    .inc-dur { grid-row: auto; grid-column: 2; text-align: left; }
}
@media (max-width: 420px) {
    .svc, .panel, .inc { padding-inline: 16px; }
    .crumb { display: none; }
}
@media (prefers-reduced-motion: reduce) {
    .beacon::after, .skeleton, .verdict[data-state="running"] .dot { animation: none; }
    .bars .b, .ping { transition: none; }
}