/* Layout: one column of instrument panels; data in mono, axis colours follow the x=red / y=green / z=blue convention. */
:root {
  --bg: #eef2f1;
  --panel: #ffffff;
  --fg: #14201c;
  --muted: #5b6a65;
  --line: #d3dcd9;
  --accent: #0a7766;
  --accent-fg: #ffffff;
  --x: #d23f35;
  --y: #2a8f3f;
  --z: #2f69d0;
  --warn: #a35a00;
  --warn-bg: #fff3e0;
  --ok: #1d7a45;
  --font-ui: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --font-data: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0d1311; --panel: #151d1a; --fg: #e2eae7; --muted: #8b9b95; --line: #26322e;
    --accent: #39c2aa; --accent-fg: #062019; --x: #ff6a5d; --y: #5fd072; --z: #6ea2ff;
    --warn: #ffb35c; --warn-bg: #2b1f0f; --ok: #5fd072;
    color-scheme: dark;
  }
}

* { box-sizing: border-box; }
[hidden] { display: none !important; } /* .panel/.notice set display, which would otherwise beat [hidden] */
html, body { margin: 0; }
body {
  background: var(--bg);
  color: var(--fg);
  font: 15px/1.45 var(--font-ui);
  padding: env(safe-area-inset-top, 0px) 16px calc(24px + env(safe-area-inset-bottom, 0px));
}
main { max-width: 1100px; margin: 0 auto; display: grid; gap: 14px; padding-block: 14px; }

header.bar { display: flex; flex-wrap: wrap; align-items: center; gap: 10px 16px; justify-content: space-between; }
header.bar h1 { font-size: 1.15rem; margin: 0; letter-spacing: -0.01em; text-wrap: balance; }
header.bar a { color: var(--accent); font-size: 0.9rem; }
.nav { display: flex; gap: 4px; flex-wrap: wrap; }
header.bar .nav a, .nav a { color: var(--muted); text-decoration: none; padding: 4px 9px; border-radius: 6px; font-size: 0.88rem; }
.nav a:hover, header.bar .nav a:hover { color: var(--fg); }
.nav a[aria-current="page"], header.bar .nav a[aria-current="page"] { color: var(--fg); background: color-mix(in srgb, var(--fg) 9%, transparent); }

.panel { background: var(--panel); border: 1px solid var(--line); border-radius: 10px; padding: 14px; display: grid; gap: 10px; min-width: 0; }
.panel h2 { font-size: 0.75rem; text-transform: uppercase; letter-spacing: 0.08em; color: var(--muted); margin: 0; font-weight: 600; display: flex; justify-content: space-between; gap: 8px; }
.panel h2 .unit { text-transform: none; letter-spacing: 0; font-family: var(--font-data); font-weight: 400; }

/* Exactly 2 columns (4 sensor panels → 2×2, never an orphan), 1 on phones. */
.grid2 { display: grid; gap: 14px; grid-template-columns: repeat(2, minmax(0, 1fr)); }
@media (max-width: 680px) { .grid2 { grid-template-columns: 1fr; } }

.row { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; }

button, select {
  font: inherit; border-radius: 8px; border: 1px solid var(--line); background: var(--panel); color: var(--fg);
  padding: 9px 14px; cursor: pointer; min-height: 42px;
}
button.primary { background: var(--accent); color: var(--accent-fg); border-color: var(--accent); font-weight: 600; }
button[aria-pressed="true"] { background: var(--fg); color: var(--bg); border-color: var(--fg); }
button:disabled { opacity: 0.5; cursor: default; }
button:focus-visible, select:focus-visible, a:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

.pill { display: inline-flex; align-items: center; gap: 6px; font-size: 0.8rem; padding: 3px 10px; border-radius: 99px; border: 1px solid var(--line); color: var(--muted); font-family: var(--font-data); }
.pill::before { content: ""; width: 7px; height: 7px; border-radius: 50%; background: currentColor; }
.pill.on { color: var(--ok); border-color: color-mix(in srgb, var(--ok) 40%, transparent); }
.pill.warn { color: var(--warn); border-color: color-mix(in srgb, var(--warn) 40%, transparent); }

.notice { background: var(--warn-bg); color: var(--warn); border-radius: 8px; padding: 10px 12px; font-size: 0.9rem; }
.notice code { font-family: var(--font-data); }

/* Readout: three axis values side by side, each tagged with its axis colour. */
.readout { display: grid; grid-template-columns: repeat(3, 1fr); gap: 6px; font-family: var(--font-data); font-variant-numeric: tabular-nums; }
.readout div { display: grid; gap: 1px; }
.readout span { font-size: 0.72rem; color: var(--muted); }
.readout b { font-weight: 500; font-size: 1.05rem; }
.readout .x b { color: var(--x); } .readout .y b { color: var(--y); } .readout .z b { color: var(--z); }

canvas.strip { width: 100%; height: 130px; display: block; }
canvas.strip.small { height: 80px; }

/* Room member card: name in normal case (it is a person, not a label) + two tight readout rows. */
.member h2 .who { text-transform: none; letter-spacing: 0; font-size: 1rem; color: var(--fg); overflow-wrap: anywhere; }
.member .readout b { font-size: 0.95rem; }

.section-title { font-size: 0.95rem; margin: 6px 0 0; display: flex; flex-wrap: wrap; gap: 6px 10px; align-items: baseline; }
.section-title .muted { font-weight: 400; }

.muted { color: var(--muted); font-size: 0.88rem; }
.mono { font-family: var(--font-data); font-variant-numeric: tabular-nums; }

@media (prefers-reduced-motion: reduce) { * { transition: none !important; } }