html {
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

@media (min-width: 1700px) { html { font-size: 19px; } }
@media (min-width: 2300px) { html { font-size: 23px; } }

:root {
  color-scheme: dark;

  --olive: #6f7c4a;
  --olive-dim: #4d5735;
  --crimson: #b7332c;

  --bg-base: #0d1a12;
  --bg-deep: #091309;
  --panel: #131f17;
  --bg-glow-1: rgba(122, 140, 80, 0.26);
  --bg-glow-2: rgba(183, 51, 44, 0.11);
  --bg-glow-3: rgba(46, 84, 64, 0.34);

  --surface: rgba(255, 255, 255, 0.045);
  --surface-2: rgba(255, 255, 255, 0.07);
  --surface-solid: #16181a;
  --blur: 18px;

  --text: #f0f1f2;
  --text-2: #a2a6a9;
  --text-3: #71767a;
  --line: rgba(255, 255, 255, 0.09);
  --line-strong: rgba(255, 255, 255, 0.18);
  --shadow: 0 1px 2px rgba(0, 0, 0, 0.4), 0 10px 30px rgba(0, 0, 0, 0.35);
  --shadow-lift: 0 2px 6px rgba(0, 0, 0, 0.45), 0 22px 50px rgba(0, 0, 0, 0.5);
  --header-bg: rgba(11, 20, 14, 0.74);

  --ok: #3fcf6a;
  --warning: #ffa41f;
  --error: #ff4d42;
  --offline: #9aa0a5;
  --unknown: #8a86f5;

  --ok-soft: rgba(63, 207, 106, 0.16);
  --warning-soft: rgba(255, 164, 31, 0.16);
  --error-soft: rgba(255, 77, 66, 0.16);
  --offline-soft: rgba(154, 160, 165, 0.16);
  --unknown-soft: rgba(138, 134, 245, 0.16);

  --logo-filter: brightness(1.18) saturate(1.1);

  --radius: 1.15rem;
  --radius-sm: 0.65rem;
  --gap: 1rem;
}

html[data-variant="panel"] {
  color-scheme: light;

  --bg-base: #e8ebef;
  --bg-deep: #e8ebef;
  --panel: #f6f8fa;
  --bg-glow-1: rgba(111, 124, 74, 0.24);
  --bg-glow-2: rgba(183, 51, 44, 0.13);
  --bg-glow-3: rgba(104, 142, 190, 0.34);

  --surface: rgba(255, 255, 255, 0.78);
  --surface-2: rgba(255, 255, 255, 0.55);
  --surface-solid: #ffffff;

  --text: #16181a;
  --text-2: #61666b;
  --text-3: #9298a0;
  --line: rgba(20, 24, 28, 0.09);
  --line-strong: rgba(20, 24, 28, 0.18);
  --shadow: 0 1px 2px rgba(20, 30, 40, 0.05), 0 10px 30px rgba(20, 30, 40, 0.08);
  --shadow-lift: 0 2px 6px rgba(20, 30, 40, 0.07), 0 22px 50px rgba(20, 30, 40, 0.14);
  --header-bg: rgba(255, 255, 255, 0.72);

  --ok: #148f3d;
  --warning: #b96f00;
  --error: #cc2f24;
  --offline: #6d747a;
  --unknown: #4b48c9;

  --ok-soft: rgba(20, 143, 61, 0.12);
  --warning-soft: rgba(185, 111, 0, 0.13);
  --error-soft: rgba(204, 47, 36, 0.11);
  --offline-soft: rgba(109, 116, 122, 0.13);
  --unknown-soft: rgba(75, 72, 201, 0.11);

  --logo-filter: none;
}

html[data-variant="kontrast"] {
  --bg-base: #071009;
  --bg-deep: #040a05;
  --panel: #0c1610;
  --bg-glow-1: rgba(111, 124, 74, 0.14);
  --bg-glow-2: rgba(183, 51, 44, 0.08);
  --bg-glow-3: rgba(30, 56, 42, 0.24);

  --surface: rgba(255, 255, 255, 0.05);
  --surface-solid: #101112;
  --text: #ffffff;
  --text-2: #b6bbbf;
  --line: rgba(255, 255, 255, 0.12);
}

* { box-sizing: border-box; }

body {
  margin: 0;
  min-height: 100dvh;
  background: var(--bg-base);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI",
               "Inter", "Helvetica Neue", Arial, sans-serif;
  font-size: 0.95rem;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  font-variant-numeric: tabular-nums;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background:
    radial-gradient(58rem 40rem at 12% -8%, var(--bg-glow-1), transparent 62%),
    radial-gradient(46rem 34rem at 92% 4%, var(--bg-glow-3), transparent 60%),
    radial-gradient(52rem 40rem at 78% 104%, var(--bg-glow-2), transparent 62%),
    linear-gradient(180deg, transparent 45%, var(--bg-deep, transparent) 100%);
}

a { color: inherit; text-decoration: none; }

.topbar {
  position: sticky;
  top: 0;
  z-index: 30;
  display: flex;
  align-items: center;
  gap: 1.25rem;
  padding: 0.7rem max(1.25rem, env(safe-area-inset-left));
  background: var(--header-bg);
  backdrop-filter: saturate(160%) blur(var(--blur));
  -webkit-backdrop-filter: saturate(160%) blur(var(--blur));
  border-bottom: 1px solid var(--line);
  transition: transform 0.35s ease, opacity 0.35s ease;
}

.brand { display: flex; align-items: center; gap: 0.6rem; white-space: nowrap; }
.brand img {
  width: 2.3rem;
  height: 2.3rem;
  object-fit: contain;
  filter: var(--logo-filter);
  user-select: none;
  -webkit-user-select: none;
  -webkit-touch-callout: none;
}
.brand .word { font-size: 1.05rem; font-weight: 600; letter-spacing: -0.02em; }

.topbar nav {
  display: flex;
  gap: 0.25rem;
  margin-right: auto;
  overflow-x: auto;
  scrollbar-width: none;
}
.topbar nav::-webkit-scrollbar { display: none; }

.topbar nav a {
  padding: 0.3rem 0.75rem;
  border-radius: 999px;
  font-size: 0.88rem;
  color: var(--text-2);
  white-space: nowrap;
  transition: background 0.15s, color 0.15s;
}
.topbar nav a:hover { background: var(--surface-2); color: var(--text); }
.topbar nav a[aria-current="page"] { background: var(--surface-2); color: var(--text); font-weight: 500; }

.session { display: flex; align-items: center; gap: 0.75rem; white-space: nowrap; }
.session .who { font-size: 0.88rem; color: var(--text-2); }

body.kiosk .topbar { transform: translateY(-100%); opacity: 0; }
body.kiosk.reveal .topbar { transform: none; opacity: 1; }
body.kiosk main { padding-top: 1.75rem; }

main {
  max-width: 96rem;
  margin: 0 auto;
  padding: 1.75rem max(1.25rem, env(safe-area-inset-left)) 5rem;
}

.page-head { margin-bottom: 1.4rem; display: flex; align-items: flex-end; gap: 1rem; flex-wrap: wrap; }
.page-head > div { flex: 1 1 auto; }

h1 { margin: 0; font-size: 1.9rem; font-weight: 600; letter-spacing: -0.025em; }
h2 { margin: 2.2rem 0 0.85rem; font-size: 1.2rem; font-weight: 600; letter-spacing: -0.015em; }
.subtitle { margin: 0.3rem 0 0; color: var(--text-2); font-size: 0.88rem; }

.back { display: inline-block; margin-bottom: 0.6rem; font-size: 0.88rem; color: var(--text-2); }
.back:hover { color: var(--text); }

.summary {
  position: sticky;
  top: 3.5rem;
  z-index: 20;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(11rem, 1fr));
  margin: 0 0 1.2rem;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow: hidden;
}

body.kiosk .summary { top: 0; }
body.kiosk.reveal .summary { top: 3.5rem; }

.stat {
  position: relative;
  padding: 1rem 1.15rem;
  border-left: 1px solid var(--line);
}
.stat:first-child { border-left: 0; }

.stat::after {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, currentColor, transparent);
  opacity: 0.55;
}
.stat.is-neutral { color: var(--text-3); }
.stat.is-ok { color: var(--ok); }
.stat.is-warning { color: var(--warning); }
.stat.is-alarm { color: var(--error); }

.stat .value {
  font-size: 2.1rem;
  font-weight: 600;
  letter-spacing: -0.03em;
  line-height: 1.05;
  color: currentColor;
}
.stat.is-neutral .value { color: var(--text); }
.stat .label { margin-top: 0.2rem; font-size: 0.82rem; color: var(--text-2); }

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(22rem, 1fr));
  gap: var(--gap);
}

.kit-card {
  display: block;
  position: relative;
  overflow: hidden;
  background: var(--surface);
  backdrop-filter: blur(var(--blur));
  -webkit-backdrop-filter: blur(var(--blur));
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.25rem;
  box-shadow: var(--shadow);
  transition: transform 0.18s ease, box-shadow 0.18s ease, border-color 0.18s ease;
}
.kit-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lift);
  border-color: var(--line-strong);
}

.kit-card::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: radial-gradient(28rem 14rem at 100% 0%, var(--tint, transparent), transparent 70%);
}
.kit-card[data-status="ok"] { --tint: var(--ok-soft); }
.kit-card[data-status="warning"] { --tint: var(--warning-soft); }
.kit-card[data-status="error"] { --tint: var(--error-soft); }
.kit-card[data-status="offline"] { --tint: var(--offline-soft); }
.kit-card[data-status="unknown"] { --tint: var(--unknown-soft); }

.kit-card > * { position: relative; }

.kit-card .head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 0.75rem;
}
.kit-card .name { font-size: 1.2rem; font-weight: 600; letter-spacing: -0.02em; }
.kit-card .count { font-size: 0.82rem; color: var(--text-2); white-space: nowrap; }

.kit-card .state {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  margin: 0.8rem 0 0.7rem;
  font-size: 0.95rem;
  font-weight: 500;
}

.bar {
  display: flex;
  height: 0.4rem;
  border-radius: 999px;
  overflow: hidden;
  background: var(--surface-2);
  gap: 2px;
}
.bar span { display: block; }
.bar .seg-ok { background: var(--ok); }
.bar .seg-warning { background: var(--warning); }
.bar .seg-error { background: var(--error); }
.bar .seg-offline { background: var(--offline); }
.bar .seg-unknown { background: var(--unknown); }

.mini {
  margin-top: 0.9rem;
  border-top: 1px solid var(--line);
}
.mini-row {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.45rem 0;
  font-size: 0.92rem;
  border-bottom: 1px solid var(--line);
}
.mini-row:last-child { border-bottom: 0; }
.mini-row .nm { flex: 1 1 auto; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.mini-row .val { font-weight: 600; white-space: nowrap; }
.mini-row .val .u { font-weight: 400; color: var(--text-2); font-size: 0.82em; margin-left: 0.15rem; }
.mini-row .val.none { font-weight: 400; color: var(--text-3); font-size: 0.88rem; }

.kit-card .foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.6rem;
  margin-top: 0.9rem;
  padding-top: 0.8rem;
  border-top: 1px solid var(--line);
  font-size: 0.82rem;
  color: var(--text-2);
}

.dot {
  display: inline-block;
  flex: none;
  width: 0.62rem;
  height: 0.62rem;
  border-radius: 50%;
  background: var(--offline);
  vertical-align: middle;
}
td > .dot { margin-right: 0.45rem; }
.dot-ok { background: var(--ok); box-shadow: 0 0 0 0.25rem var(--ok-soft); }
.dot-warning { background: var(--warning); box-shadow: 0 0 0 0.25rem var(--warning-soft); }
.dot-error { background: var(--error); box-shadow: 0 0 0 0.25rem var(--error-soft); }
.dot-offline { background: var(--offline); box-shadow: 0 0 0 0.25rem var(--offline-soft); }
.dot-unknown { background: var(--unknown); box-shadow: 0 0 0 0.25rem var(--unknown-soft); }
.dot-lg { width: 0.82rem; height: 0.82rem; }

.pill {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.15rem 0.6rem;
  border-radius: 999px;
  font-size: 0.78rem;
  font-weight: 500;
  white-space: nowrap;
}
.pill-ok { background: var(--ok-soft); color: var(--ok); }
.pill-warning { background: var(--warning-soft); color: var(--warning); }
.pill-error { background: var(--error-soft); color: var(--error); }
.pill-offline { background: var(--offline-soft); color: var(--offline); }
.pill-unknown { background: var(--unknown-soft); color: var(--unknown); }
.pill-none { background: var(--surface-2); color: var(--text-3); }

.devices {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(16rem, 1fr));
  gap: 0.75rem;
}

.device-card {
  display: block;
  position: relative;
  overflow: hidden;
  background: var(--surface);
  backdrop-filter: blur(var(--blur));
  -webkit-backdrop-filter: blur(var(--blur));
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.15rem;
  box-shadow: var(--shadow);
  transition: transform 0.18s ease, box-shadow 0.18s ease;
}
.device-card:hover { transform: translateY(-2px); box-shadow: var(--shadow-lift); }

.device-card .name { display: flex; align-items: center; gap: 0.5rem; font-size: 0.95rem; font-weight: 600; }
.device-card .ident { font-size: 0.78rem; color: var(--text-3); margin-top: 0.1rem; }

.reading { display: flex; align-items: baseline; gap: 0.35rem; margin: 0.85rem 0 0.5rem; }
.reading .num { font-size: 2.4rem; font-weight: 600; letter-spacing: -0.035em; line-height: 1; }
.reading .unit { font-size: 0.95rem; color: var(--text-2); }
.reading .none { font-size: 1.25rem; font-weight: 500; color: var(--text-3); }

.device-card .meta { font-size: 0.78rem; color: var(--text-2); }
.device-card .fail { margin-top: 0.5rem; font-size: 0.78rem; color: var(--error); word-break: break-word; }

.mini.is-stale .nm { color: var(--text-2); }
.device-card.is-stale .name,
.panel.is-stale .reading { opacity: 0.72; }
.device-card.is-stale .fail,
.panel.is-stale .fail { color: var(--text-3); }

.timeline {
  background: var(--surface);
  backdrop-filter: blur(var(--blur));
  -webkit-backdrop-filter: blur(var(--blur));
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.event {
  display: grid;
  grid-template-columns: 11rem 1fr auto;
  align-items: center;
  gap: 0.9rem;
  padding: 0.8rem 1.15rem;
  border-bottom: 1px solid var(--line);
}
.event:last-child { border-bottom: 0; }
.event .when { font-size: 0.82rem; color: var(--text-2); }
.event .what { display: flex; align-items: center; gap: 0.5rem; flex-wrap: wrap; }
.event .who { font-weight: 500; }
.event .arrow { color: var(--text-3); }
.event .reading-small { font-size: 0.82rem; color: var(--text-2); white-space: nowrap; }

.panel {
  background: var(--surface);
  backdrop-filter: blur(var(--blur));
  -webkit-backdrop-filter: blur(var(--blur));
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.25rem;
  box-shadow: var(--shadow);
  margin-bottom: 1rem;
}
.panel h3 { margin: 0 0 0.85rem; font-size: 1rem; font-weight: 600; }

label { display: block; margin-bottom: 0.85rem; font-size: 0.82rem; color: var(--text-2); }

input, select {
  display: block;
  width: 100%;
  height: 2.45rem;
  margin-top: 0.3rem;
  padding: 0.55rem 0.75rem;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-sm);
  background: var(--surface-2);
  color: var(--text);
  font: inherit;
  transition: border-color 0.15s, box-shadow 0.15s;
}
input:focus, select:focus {
  outline: none;
  border-color: var(--olive);
  box-shadow: 0 0 0 0.2rem rgba(111, 124, 74, 0.25);
}

select {
  appearance: none;
  -webkit-appearance: none;
  background-image: linear-gradient(45deg, transparent 50%, var(--text-2) 50%),
                    linear-gradient(135deg, var(--text-2) 50%, transparent 50%);
  background-position: calc(100% - 1.1rem) 55%, calc(100% - 0.75rem) 55%;
  background-size: 0.35rem 0.35rem, 0.35rem 0.35rem;
  background-repeat: no-repeat;
  padding-right: 2rem;
}

button {
  padding: 0.55rem 1.1rem;
  border: 0;
  border-radius: var(--radius-sm);
  background: linear-gradient(180deg, var(--olive), var(--olive-dim));
  color: #fff;
  font: inherit;
  font-weight: 500;
  cursor: pointer;
  transition: filter 0.15s;
}
button:hover { filter: brightness(1.12); }

button.quiet {
  background: var(--surface-2);
  color: var(--text-2);
  border: 1px solid var(--line);
}
button.quiet:hover { color: var(--text); filter: none; background: var(--surface); }

button.danger { background: var(--error-soft); color: var(--error); }

.form-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(12rem, 1fr));
  align-items: end;
  gap: 0.75rem;
}
.form-row label { margin-bottom: 0; min-width: 0; }
.form-row button { height: 2.45rem; justify-self: start; padding: 0 1.5rem; }

.scroller { overflow-x: auto; -webkit-overflow-scrolling: touch; }
table { width: 100%; min-width: 34rem; border-collapse: collapse; }
th, td { text-align: left; padding: 0.7rem 0.85rem; border-bottom: 1px solid var(--line); vertical-align: middle; }
th {
  font-size: 0.72rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-3);
}
tr:last-child td { border-bottom: 0; }

.row-actions { display: flex; gap: 0.5rem; align-items: center; flex-wrap: wrap; margin: 0; }
.row-actions form { display: flex; gap: 0.5rem; align-items: center; margin: 0; }

.row-actions input,
.row-actions select,
.row-actions button {
  height: 2.15rem;
  margin: 0;
  padding: 0 0.75rem;
  line-height: 2.15rem;
  font-size: 0.9rem;
  vertical-align: middle;
}
.row-actions input { width: 9rem; }
.row-actions select { width: auto; min-width: 9rem; padding-right: 2rem; }
.row-actions button { padding: 0 0.9rem; white-space: nowrap; }
.row-actions label {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin: 0;
  white-space: nowrap;
}

input[type="checkbox"] {
  width: 1.05rem;
  height: 1.05rem;
  min-width: 1.05rem;
  margin: 0;
  padding: 0;
  accent-color: var(--olive);
  cursor: pointer;
}
.row-actions input[type="checkbox"] { width: 1.05rem; height: 1.05rem; }

.panel-actions { margin-top: 0.9rem; }
.row-actions.spread { justify-content: space-between; gap: 0.75rem 1.5rem; }
.panel .scroller table { margin-bottom: 0; }

.login-screen { min-height: 100dvh; display: grid; place-items: center; padding: 1.5rem; }
.login-card {
  width: 100%;
  max-width: 23rem;
  background: var(--surface);
  backdrop-filter: blur(var(--blur));
  -webkit-backdrop-filter: blur(var(--blur));
  border: 1px solid var(--line);
  border-radius: 1.4rem;
  padding: 2rem 1.75rem;
  box-shadow: var(--shadow-lift);
  text-align: center;
}
.login-card img { width: 5.5rem; height: 5.5rem; object-fit: contain; filter: var(--logo-filter); }
.login-card h1 { font-size: 1.5rem; margin-top: 0.5rem; }
.login-card .subtitle { margin-bottom: 1.5rem; }
.login-card label { text-align: left; }
.login-card button { width: 100%; margin-top: 0.25rem; }

.flash {
  padding: 0.7rem 1rem;
  border-radius: var(--radius-sm);
  margin-bottom: 0.85rem;
  font-size: 0.88rem;
  background: var(--surface);
  border: 1px solid var(--line);
  text-align: left;
}
.flash-error { background: var(--error-soft); border-color: transparent; color: var(--error); }
.flash-success { background: var(--ok-soft); border-color: transparent; color: var(--ok); }
.flash-stale { background: var(--offline-soft); border-color: transparent; color: var(--offline); }
.flash-key {
  background: var(--warning-soft);
  border-color: transparent;
  color: var(--text);
  font-family: ui-monospace, SFMono-Regular, "SF Mono", Menlo, monospace;
  font-size: 0.82rem;
  word-break: break-all;
}

.empty {
  padding: 3rem 1.5rem;
  text-align: center;
  color: var(--text-2);
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.muted { color: var(--text-2); }

html[data-variant="kontrast"] .kit-card { border-width: 2px; padding: 1.5rem; }
html[data-variant="kontrast"] .kit-card[data-status="ok"] { border-color: rgba(63, 207, 106, 0.5); }
html[data-variant="kontrast"] .kit-card[data-status="warning"] { border-color: rgba(255, 164, 31, 0.55); }
html[data-variant="kontrast"] .kit-card[data-status="error"] { border-color: rgba(255, 77, 66, 0.6); }
html[data-variant="kontrast"] .kit-card[data-status="offline"] { border-color: rgba(154, 160, 165, 0.5); }
html[data-variant="kontrast"] .kit-card::before {
  background: linear-gradient(180deg, var(--tint, transparent), transparent 55%);
}
html[data-variant="kontrast"] .kit-card .name { font-size: 1.5rem; }
html[data-variant="kontrast"] .kit-card .state { font-size: 1.15rem; font-weight: 600; }
html[data-variant="kontrast"] .mini-row { font-size: 1.05rem; padding: 0.55rem 0; }
html[data-variant="kontrast"] .stat .value { font-size: 2.6rem; }
html[data-variant="kontrast"] .bar { height: 0.55rem; }

@media (max-width: 45rem) {
  main { padding: 1.25rem 1rem 4rem; }
  h1 { font-size: 1.6rem; }
  .topbar { gap: 0.75rem; padding: 0.6rem 1rem; }
  .session .who { display: none; }

  .summary { grid-template-columns: repeat(2, 1fr); }
  .stat { padding: 0.85rem; }
  .stat:nth-child(odd) { border-left: 0; }
  .stat:nth-child(n + 3) { border-top: 1px solid var(--line); }
  .stat .value { font-size: 1.7rem; }

  .cards, .devices { grid-template-columns: 1fr; }

  .event { grid-template-columns: 1fr; gap: 0.35rem; padding: 0.85rem 1rem; }
  .event .reading-small { justify-self: start; }
}

@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; }
  .kit-card:hover, .device-card:hover { transform: none; }
}