/* Live Equipment Monitor — public demo. System type, Apple-style surfaces, Material-style data. */
:root {
  color-scheme: light;
  --page: #f5f5f7; --card: #ffffff; --card-2: #f5f5f7; --line: rgba(0,0,0,.08); --grid: #e8e8ed; --axis: #c7c7cc;
  --ink: #1d1d1f; --ink-2: #6e6e73; --ink-3: #86868b;
  --accent: #0071e3; --accent-ink: #ffffff; --series: #2a78d6; --band: rgba(12,163,12,.10); --band-line: rgba(12,163,12,.35);
  --ok: #0ca30c; --warn: #fab219; --crit: #d03b3b; --off: #8e8e93;
  --ok-bg: rgba(12,163,12,.10); --warn-bg: rgba(250,178,25,.16); --crit-bg: rgba(208,59,59,.10); --off-bg: rgba(142,142,147,.14);
  --ok-ink: #0a7d0a; --warn-ink: #8a5a00; --crit-ink: #b42323; --off-ink: #636366;
  --shadow: 0 1px 2px rgba(0,0,0,.04), 0 8px 24px rgba(0,0,0,.06);
  --r: 22px; --r-sm: 14px;
  --font: system-ui, -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --display: system-ui, -apple-system, BlinkMacSystemFont, "SF Pro Display", "Segoe UI", Roboto, sans-serif;
}
@media (prefers-color-scheme: dark) {
  :root {
    color-scheme: dark;
    --page: #000000; --card: #1c1c1e; --card-2: #2c2c2e; --line: rgba(255,255,255,.10); --grid: #2c2c2e; --axis: #48484a;
    --ink: #f5f5f7; --ink-2: #a1a1a6; --ink-3: #8e8e93;
    --accent: #2997ff; --series: #3987e5; --band: rgba(12,163,12,.16); --band-line: rgba(48,209,88,.40);
    --ok-bg: rgba(12,163,12,.20); --warn-bg: rgba(250,178,25,.18); --crit-bg: rgba(208,59,59,.22); --off-bg: rgba(142,142,147,.20);
    --ok-ink: #30d158; --warn-ink: #ffcc4d; --crit-ink: #ff6961; --off-ink: #a1a1a6;
    --shadow: none;
  }
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--page); color: var(--ink); font: 17px/1.47 var(--font); letter-spacing: -.022em; -webkit-font-smoothing: antialiased; }
.sprite { position: absolute; }
svg { width: 1em; height: 1em; }
h1, h2, h3 { font-family: var(--display); margin: 0; }
p { margin: 0; }
a { color: var(--accent); text-decoration: none; }
button { font: inherit; color: inherit; }
.muted { color: var(--ink-2); font-size: 15px; }

/* ---------- top bar ---------- */
.bar { position: sticky; top: 0; z-index: 20; backdrop-filter: saturate(180%) blur(20px); -webkit-backdrop-filter: saturate(180%) blur(20px);
  background: color-mix(in srgb, var(--page) 78%, transparent); border-bottom: .5px solid var(--line); padding-top: env(safe-area-inset-top); }
.bar-in { max-width: 1120px; margin: 0 auto; padding: 10px 20px; display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.brand { display: flex; align-items: center; gap: 10px; color: var(--ink); }
.mark { width: 30px; height: 30px; border-radius: 8px; display: grid; place-items: center; color: #fff; font-size: 18px;
  background: linear-gradient(150deg, #36a3ff 0%, #0071e3 55%, #5e5ce6 100%); box-shadow: inset 0 .5px 0 rgba(255,255,255,.4); }
.word { font-size: 17px; font-weight: 600; letter-spacing: -.02em; white-space: nowrap; } .word b { font-weight: 400; color: var(--ink-2); }
.livebox { display: inline-flex; align-items: center; gap: 8px; font-size: 13px; font-weight: 500; color: var(--ink-2);
  background: var(--card); border: .5px solid var(--line); padding: 6px 12px; border-radius: 999px; white-space: nowrap; }
.livebox .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--off); }
.livebox.on .dot { background: var(--ok); box-shadow: 0 0 0 0 rgba(12,163,12,.5); animation: ping 2s infinite; }
.livebox.on { color: var(--ink); }
@keyframes ping { 0% { box-shadow: 0 0 0 0 rgba(12,163,12,.45); } 70% { box-shadow: 0 0 0 7px rgba(12,163,12,0); } 100% { box-shadow: 0 0 0 0 rgba(12,163,12,0); } }

/* ---------- layout ---------- */
.page { max-width: 1120px; margin: 0 auto; padding: 0 20px 40px; }
.card { background: var(--card); border-radius: var(--r); box-shadow: var(--shadow); border: .5px solid var(--line); }
.block { margin-top: 48px; }
.block-head { margin: 0 4px 16px; }
.block-head h2 { font-size: 28px; font-weight: 700; letter-spacing: -.025em; }
.block-head p { color: var(--ink-2); font-size: 15px; margin-top: 2px; }
.block-head.row { display: flex; justify-content: space-between; align-items: flex-end; gap: 16px; flex-wrap: wrap; }
.two { display: grid; grid-template-columns: 1fr; gap: 0 24px; }
@media (min-width: 900px) { .two { grid-template-columns: 1fr 1fr; } }

/* ---------- hero ---------- */
.hero { padding: 48px 0 0; }
.eyebrow { font-size: 13px; font-weight: 600; letter-spacing: .06em; text-transform: uppercase; color: var(--accent); }
.hero h1 { font-size: clamp(40px, 7vw, 64px); font-weight: 700; letter-spacing: -.035em; line-height: 1.05; margin-top: 8px; }
.place { color: var(--ink-2); font-size: 19px; margin-top: 8px; }
.status-card { margin-top: 28px; display: flex; align-items: center; gap: 18px; padding: 22px 24px; border-radius: var(--r);
  background: var(--card); border: .5px solid var(--line); box-shadow: var(--shadow); position: relative; overflow: hidden; }
.status-card::before { content: ''; position: absolute; inset: 0; background: var(--sbg, transparent); pointer-events: none; }
.status-card > * { position: relative; }
.status-card[data-state="ok"] { --sbg: var(--ok-bg); --sc: var(--ok); }
.status-card[data-state="warning"] { --sbg: var(--warn-bg); --sc: var(--warn); }
.status-card[data-state="critical"] { --sbg: var(--crit-bg); --sc: var(--crit); }
.status-card[data-state="offline"], .status-card[data-state="loading"] { --sbg: var(--off-bg); --sc: var(--off); }
.status-icon { width: 52px; height: 52px; border-radius: 50%; flex: none; display: grid; place-items: center; color: #fff; font-size: 30px; background: var(--sc); }
.status-card[data-state="warning"] .status-icon { color: #1d1d1f; }
.status-card[data-state="critical"] .status-icon { animation: beat 1.6s ease-in-out infinite; }
@keyframes beat { 0%,100% { box-shadow: 0 0 0 0 rgba(208,59,59,.45); } 50% { box-shadow: 0 0 0 10px rgba(208,59,59,0); } }
.status-text h2 { font-size: 24px; font-weight: 700; letter-spacing: -.02em; line-height: 1.2; }
.status-text p { color: var(--ink-2); font-size: 16px; margin-top: 3px; }
.kpis { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; margin-top: 12px; }
@media (min-width: 760px) { .kpis { grid-template-columns: repeat(4, minmax(0, 1fr)); } }
.kpi { background: var(--card); border: .5px solid var(--line); box-shadow: var(--shadow); border-radius: var(--r-sm); padding: 14px 16px; display: flex; flex-direction: column; gap: 4px; min-width: 0; }
.kpi-l { font-size: 13px; color: var(--ink-2); }
.kpi-v { font-family: var(--display); font-size: 28px; font-weight: 700; letter-spacing: -.02em; line-height: 1.1; }
.kpi-v small { font-size: 15px; color: var(--ink-2); font-weight: 600; margin-left: 2px; }

/* ---------- status chip ---------- */
.chip { display: inline-flex; align-items: center; gap: 5px; font-size: 13px; font-weight: 600; padding: 4px 10px 4px 7px; border-radius: 999px; white-space: nowrap; }
.chip svg { font-size: 15px; }
.chip.ok { background: var(--ok-bg); color: var(--ok-ink); }
.chip.warning { background: var(--warn-bg); color: var(--warn-ink); }
.chip.critical { background: var(--crit-bg); color: var(--crit-ink); }
.chip.offline { background: var(--off-bg); color: var(--off-ink); }

/* ---------- unit cards ---------- */
.units { display: grid; grid-template-columns: 1fr; gap: 16px; }
@media (min-width: 760px) { .units { grid-template-columns: repeat(3, minmax(0, 1fr)); } }
.unit { padding: 20px; display: flex; flex-direction: column; gap: 14px; text-align: left; cursor: pointer; border: .5px solid var(--line);
  transition: transform .2s ease, box-shadow .2s ease, border-color .2s; -webkit-tap-highlight-color: transparent; width: 100%; }
.unit:hover { transform: translateY(-2px); }
.unit:focus-visible { outline: 3px solid color-mix(in srgb, var(--accent) 60%, transparent); outline-offset: 2px; }
.unit.sel { border-color: color-mix(in srgb, var(--accent) 55%, transparent); box-shadow: 0 0 0 1px color-mix(in srgb, var(--accent) 55%, transparent), var(--shadow); }
.unit.critical { border-color: color-mix(in srgb, var(--crit) 45%, transparent); }
.u-top { display: flex; justify-content: space-between; align-items: center; gap: 8px; }
.u-ico { width: 40px; height: 40px; border-radius: 12px; display: grid; place-items: center; font-size: 22px; color: var(--accent); background: color-mix(in srgb, var(--accent) 12%, transparent); }
.u-name { font-size: 19px; font-weight: 600; letter-spacing: -.02em; }
.u-kind { font-size: 14px; color: var(--ink-2); }
.u-temp { font-family: var(--display); font-size: 56px; font-weight: 700; letter-spacing: -.04em; line-height: 1; }
.u-temp small { font-size: 24px; font-weight: 600; color: var(--ink-2); margin-left: 2px; letter-spacing: -.01em; }
.u-temp.critical { color: var(--crit-ink); }
.u-detail { font-size: 14px; color: var(--ink-2); margin-top: 6px; min-height: 20px; }
.range { position: relative; height: 6px; border-radius: 3px; background: var(--card-2); }
.range .band { position: absolute; top: 0; bottom: 0; border-radius: 3px; background: color-mix(in srgb, var(--ok) 45%, transparent); }
.range .lim { position: absolute; top: -4px; bottom: -4px; width: 2px; margin-left: -1px; background: var(--crit); border-radius: 1px; }
.range .dot { position: absolute; top: 50%; width: 14px; height: 14px; border-radius: 50%; transform: translate(-50%, -50%); background: var(--ink); box-shadow: 0 0 0 3px var(--card); transition: left .6s cubic-bezier(.2,.8,.2,1); }
.range-l { display: flex; justify-content: space-between; font-size: 12px; color: var(--ink-3); margin-top: 6px; }
.spark svg { display: block; width: 100%; height: 56px; overflow: visible; }
.u-foot { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 8px; border-top: .5px solid var(--line); padding-top: 12px; }
.u-foot div { min-width: 0; }
.u-foot dt { font-size: 12px; color: var(--ink-3); display: flex; align-items: center; gap: 4px; }
.u-foot dd { margin: 2px 0 0; font-size: 14px; font-weight: 600; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.u-foot .bad { color: var(--crit-ink); } .u-foot .meh { color: var(--warn-ink); }

/* ---------- segmented controls ---------- */
.controls { display: flex; gap: 10px; flex-wrap: wrap; }
.seg { display: inline-flex; background: color-mix(in srgb, var(--ink) 7%, transparent); border-radius: 10px; padding: 2px; }
.seg button { border: 0; background: none; padding: 6px 14px; border-radius: 8px; font-size: 14px; font-weight: 500; color: var(--ink); cursor: pointer; white-space: nowrap; }
.seg button[aria-selected="true"] { background: var(--card); box-shadow: 0 1px 3px rgba(0,0,0,.12); font-weight: 600; }
@media (prefers-color-scheme: dark) { .seg button[aria-selected="true"] { background: #636366; } }

/* ---------- main chart ---------- */
.chart-card { padding: 20px 20px 16px; }
.chart-legend { display: flex; flex-wrap: wrap; gap: 6px 18px; font-size: 13px; color: var(--ink-2); margin-bottom: 8px; }
.chart-legend span { display: inline-flex; align-items: center; gap: 6px; }
.chart-legend i { display: inline-block; width: 14px; height: 3px; border-radius: 2px; }
.chart-legend i.band { height: 10px; background: var(--band); border: 1px solid var(--band-line); }
.chart-legend i.lim { background: repeating-linear-gradient(90deg, var(--crit) 0 4px, transparent 4px 7px); }
.chart { position: relative; height: 300px; touch-action: pan-y; }
.chart svg { display: block; width: 100%; height: 100%; overflow: visible; }
.chart text { fill: var(--ink-3); font: 500 11px var(--font); letter-spacing: 0; font-variant-numeric: tabular-nums; }
.chart-empty { display: grid; place-items: center; height: 100%; color: var(--ink-2); font-size: 15px; }
.chart-stats { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1px; background: var(--line); border-radius: var(--r-sm); overflow: hidden; margin-top: 14px; }
@media (min-width: 760px) { .chart-stats { grid-template-columns: repeat(5, minmax(0, 1fr)); } }
.chart-stats div { background: var(--card); padding: 10px 12px; }
.chart-stats dt { font-size: 12px; color: var(--ink-3); }
.chart-stats dd { margin: 2px 0 0; font-family: var(--display); font-size: 20px; font-weight: 700; letter-spacing: -.01em; }
.chart-stats dd.bad { color: var(--crit-ink); } .chart-stats dd.good { color: var(--ok-ink); }
.table-view { margin-top: 12px; font-size: 14px; }
.table-view summary { cursor: pointer; color: var(--accent); font-weight: 500; }
.table-view table { width: 100%; border-collapse: collapse; margin-top: 8px; font-variant-numeric: tabular-nums; }
.table-view th, .table-view td { text-align: right; padding: 6px 8px; border-bottom: .5px solid var(--line); }
.table-view th:first-child, .table-view td:first-child { text-align: left; }
.table-view th { color: var(--ink-2); font-weight: 600; font-size: 12px; }
.tbl-wrap { max-height: 280px; overflow: auto; }

.tip { position: fixed; z-index: 40; pointer-events: none; background: color-mix(in srgb, var(--card) 92%, transparent); backdrop-filter: blur(16px); -webkit-backdrop-filter: blur(16px);
  border: .5px solid var(--line); border-radius: 12px; padding: 8px 12px; font-size: 13px; box-shadow: 0 8px 24px rgba(0,0,0,.16); min-width: 120px; }
.tip b { font-family: var(--display); font-size: 18px; font-weight: 700; display: block; }
.tip span { color: var(--ink-2); }

/* ---------- rooms ---------- */
.rooms { display: grid; gap: 16px; }
.room { padding: 18px 20px; display: grid; grid-template-columns: auto 1fr auto; gap: 4px 14px; align-items: center; }
.room .u-ico { grid-row: span 2; color: #ff9f0a; background: rgba(255,159,10,.14); }
.room .rn { font-size: 17px; font-weight: 600; }
.room .rs { font-size: 13px; color: var(--ink-2); display: flex; align-items: center; gap: 6px; }
.room .rv { grid-row: span 2; text-align: right; font-family: var(--display); font-size: 34px; font-weight: 700; letter-spacing: -.03em; line-height: 1; }
.room .rv small { display: block; font-family: var(--font); font-size: 13px; font-weight: 500; color: var(--ink-2); letter-spacing: 0; margin-top: 4px; }
.room .spark { grid-column: 1 / -1; margin-top: 8px; }
.room .spark svg { height: 44px; }
.sdot { width: 7px; height: 7px; border-radius: 50%; background: var(--ok); display: inline-block; }
.sdot.off { background: var(--off); }

/* ---------- activity ---------- */
.activity { padding: 6px 20px; }
.activity .muted { padding: 14px 0; }
.ev { display: grid; grid-template-columns: auto 1fr auto; gap: 12px; align-items: center; padding: 12px 0; }
.ev + .ev { border-top: .5px solid var(--line); }
.ev .ei { width: 28px; height: 28px; border-radius: 50%; display: grid; place-items: center; font-size: 16px; color: #fff; }
.ev .ei.ok { background: var(--ok); } .ev .ei.warning { background: var(--warn); color: #1d1d1f; } .ev .ei.critical { background: var(--crit); } .ev .ei.offline { background: var(--off); }
.ev .em { font-size: 15px; line-height: 1.3; }
.ev .et { font-size: 13px; color: var(--ink-3); white-space: nowrap; text-align: right; }

/* ---------- pitch ---------- */
.pitch { margin-top: 80px; text-align: center; }
.pitch h2 { font-size: clamp(34px, 5.5vw, 52px); font-weight: 700; letter-spacing: -.035em; line-height: 1.08; margin-top: 8px; }
.lede { color: var(--ink-2); font-size: 20px; max-width: 640px; margin: 14px auto 0; line-height: 1.45; }
.features { display: grid; grid-template-columns: 1fr; gap: 16px; margin-top: 36px; text-align: left; }
@media (min-width: 640px) { .features { grid-template-columns: 1fr 1fr; } }
@media (min-width: 1000px) { .features { grid-template-columns: repeat(4, minmax(0, 1fr)); } }
.feature { background: var(--card); border: .5px solid var(--line); box-shadow: var(--shadow); border-radius: var(--r); padding: 22px; }
.fi { width: 44px; height: 44px; border-radius: 12px; display: grid; place-items: center; font-size: 24px; color: #fff; }
.c-red { background: linear-gradient(160deg, #ff6b6b, #e5383b); } .c-blue { background: linear-gradient(160deg, #4da3ff, #0071e3); }
.c-green { background: linear-gradient(160deg, #3ddc84, #0ca30c); } .c-violet { background: linear-gradient(160deg, #a78bfa, #5e5ce6); }
.feature h3 { font-size: 19px; font-weight: 600; letter-spacing: -.02em; margin-top: 14px; }
.feature p { color: var(--ink-2); font-size: 15px; margin-top: 6px; line-height: 1.45; }
.cta { margin-top: 24px; padding: 28px; display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 18px; text-align: left;
  background: radial-gradient(120% 140% at 100% 0%, color-mix(in srgb, var(--accent) 16%, transparent), transparent 60%), var(--card); }
.cta h3 { font-size: 24px; font-weight: 700; letter-spacing: -.02em; }
.cta p { color: var(--ink-2); font-size: 15px; margin-top: 4px; }
.cta-actions { display: flex; flex-wrap: wrap; gap: 10px; }
.btn { display: inline-flex; align-items: center; gap: 8px; padding: 12px 20px; border-radius: 999px; font-size: 16px; font-weight: 600; letter-spacing: -.01em;
  background: color-mix(in srgb, var(--ink) 7%, transparent); color: var(--ink); transition: transform .15s; }
.btn svg { font-size: 18px; } .btn:active { transform: scale(.97); }
.btn.primary { background: var(--accent); color: #fff; }

.foot { max-width: 1120px; margin: 0 auto; padding: 28px 20px calc(36px + env(safe-area-inset-bottom)); border-top: .5px solid var(--line); color: var(--ink-3); font-size: 13px; display: flex; flex-direction: column; gap: 6px; }
.foot p { display: flex; align-items: center; gap: 6px; }

/* entrance */
.fade { animation: fade .5s ease both; }
@keyframes fade { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: none; } }
@media (prefers-reduced-motion: reduce) { *, *::before, *::after { animation: none !important; transition: none !important; } }
@media (max-width: 420px) { .lb-long { display: none; } .word b { display: none; } .u-temp { font-size: 48px; } .hero { padding-top: 32px; } .block { margin-top: 40px; } .seg button { padding: 6px 11px; } }
@media (max-width: 759px) { .chart-stats div:last-child:nth-child(odd) { grid-column: 1 / -1; } }