/* The x2d page: one column on a phone, two from 960 px; light or dark as
   the reader's system is. */

:root {
  --bg: #f4f5f7;
  --card: #ffffff;
  --ink: #1d2128;
  --muted: #69707d;
  --line: #e1e4e9;
  --accent: #0b7a5a;
  --accent-soft: #dff3ec;
  --on-accent: #ffffff;
  --warn: #b35c00;
  --warn-soft: #fff1dc;
  --danger: #c4302b;
  --danger-soft: #fde6e4;
  --nozzle0: #e8590c;
  --nozzle1: #9c36b5;
  --bed: #1c7ed6;
  --chamber: #2f9e44;
  --radius: 14px;
  color-scheme: light dark;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0f1115;
    --card: #191c22;
    --ink: #e8eaee;
    --muted: #9aa1ad;
    --line: #2a2f38;
    --accent: #3ccf9b;
    --accent-soft: #143329;
    --on-accent: #0f1115;
    --warn: #ffb35c;
    --warn-soft: #3a2a12;
    --danger: #ff6b63;
    --danger-soft: #3d1715;
    --nozzle0: #ff8a3d;
    --nozzle1: #da77f2;
    --bed: #4dabf7;
    --chamber: #69db7c;
  }
}

* { box-sizing: border-box; }

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

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 15px/1.45 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  font-variant-numeric: tabular-nums;
  padding: env(safe-area-inset-top) env(safe-area-inset-right) env(safe-area-inset-bottom) env(safe-area-inset-left);
}

h1, h2, h3 { margin: 0; line-height: 1.2; }
h2 { font-size: 1rem; }
h3 { font-size: .9rem; font-weight: 600; }
p { margin: 0; }
.muted { color: var(--muted); }

button {
  font: inherit;
  color: inherit;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: .55rem .9rem;
  cursor: pointer;
  min-height: 44px;
}
button:hover:not(:disabled) { border-color: var(--muted); }
button:disabled { opacity: .45; cursor: default; }
button.small { min-height: 32px; padding: .3rem .7rem; font-size: .85rem; }
button.primary { background: var(--accent); border-color: var(--accent); color: var(--on-accent); }
button.danger { color: var(--danger); border-color: var(--danger); }
button.primary.danger { background: var(--danger); color: #fff; }

/* ---- The gate: before the board ---- */

.gate {
  max-width: 28rem;
  margin: 18vh auto 0;
  padding: 0 1.25rem;
  display: grid;
  gap: .8rem;
  text-align: center;
}
.gate h1 { font-size: 2rem; letter-spacing: .04em; }

/* ---- The header ---- */

.top {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: .25rem 1rem;
  padding: .8rem 1rem;
  background: var(--card);
  border-bottom: 1px solid var(--line);
  position: sticky;
  top: 0;
  z-index: 5;
}
.top h1 { font-size: 1.25rem; letter-spacing: .04em; }
.top .state { font-weight: 600; display: flex; align-items: center; gap: .45rem; }
.top .who { margin-left: auto; display: flex; gap: .8rem; font-size: .85rem; }
.top .who .offline { color: var(--warn); }

.dot {
  width: .65rem;
  height: .65rem;
  border-radius: 50%;
  background: var(--muted);
  flex: none;
}
.dot.online { background: var(--accent); box-shadow: 0 0 0 3px var(--accent-soft); }

.banner {
  margin: .75rem 1rem 0;
  padding: .7rem 1rem;
  border-radius: var(--radius);
  background: var(--warn-soft);
  color: var(--warn);
  font-weight: 600;
}

/* ---- The board ---- */

.board {
  display: grid;
  gap: .75rem;
  padding: .75rem;
  max-width: 1400px;
  margin: 0 auto;
}
/* On a phone the two columns melt into one, in the order a glance wants:
   the picture, the print, the controls, then the rest. */
.main-column, .side-column { display: contents; }
.camera { order: 1; }
.job { order: 2; }
.controls { order: 3; }
.heaters { order: 4; }
.chart-card { order: 5; }
.ams { order: 6; }
.alerts { order: 7; }
.machine { order: 8; }

@media (min-width: 960px) {
  .board { grid-template-columns: minmax(0, 3fr) minmax(0, 2fr); padding: 1rem; gap: 1rem; }
  .main-column, .side-column { display: grid; gap: 1rem; align-content: start; min-width: 0; }
}

.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: .9rem 1rem;
  display: grid;
  gap: .7rem;
  min-width: 0;
}
.card-head { display: flex; align-items: center; justify-content: space-between; gap: .5rem; }

.badge {
  font-size: .72rem;
  font-weight: 600;
  padding: .05rem .45rem;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent);
  white-space: nowrap;
}

/* ---- The camera ---- */

.camera {
  background: #000;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--line);
}
.screen { position: relative; aspect-ratio: 16 / 9; background: #000; }
.screen canvas { display: block; width: 100%; height: 100%; object-fit: contain; opacity: .35; transition: opacity .3s; }
.screen.live canvas { opacity: 1; }
.caption {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  padding: 1rem;
  text-align: center;
  color: #e8eaee;
  font-size: .95rem;
}
.camera-bar {
  display: flex;
  align-items: center;
  gap: .5rem;
  padding: .45rem .7rem;
  background: var(--card);
  font-size: .9rem;
}
.camera-bar button { margin-left: auto; }
.live-dot { width: .55rem; height: .55rem; border-radius: 50%; background: var(--muted); }
.live-dot.on { background: var(--danger); animation: pulse 1.6s infinite; }
@keyframes pulse { 50% { opacity: .35; } }

/* ---- The print ---- */

.job-head { display: flex; align-items: center; gap: .8rem; }
.thumbnail {
  width: 64px;
  height: 64px;
  object-fit: contain;
  border-radius: 10px;
  background: var(--bg);
  border: 1px solid var(--line);
  flex: none;
}
.job-title { min-width: 0; flex: 1; }
.job-title h2 { font-size: 1.1rem; overflow-wrap: anywhere; }
.percent { font-size: 1.6rem; font-weight: 700; }

.progress { height: .6rem; border-radius: 999px; background: var(--line); overflow: hidden; }
.progress .bar { height: 100%; background: var(--accent); transition: width .6s; }
.progress.paused .bar { background: var(--warn); }
.progress.failed .bar { background: var(--danger); }

.facts { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: .5rem; margin: 0; }
.facts.grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.facts dt { font-size: .75rem; color: var(--muted); }
.facts dd { margin: 0; font-weight: 600; }

/* ---- Heaters ---- */

.rows { list-style: none; margin: 0; padding: 0; display: grid; gap: .45rem; }
.rows li {
  display: grid;
  grid-template-columns: auto auto 1fr auto;
  align-items: baseline;
  gap: .2rem .5rem;
}
.rows li.active .value { color: var(--accent); }
.rows .detail { grid-column: 1 / -1; grid-row: 2; font-size: .78rem; color: var(--muted); }
.rows .detail:empty { display: none; }
.rows .value { grid-column: 4; font-weight: 600; white-space: nowrap; }

.key { font-weight: 600; display: inline-flex; align-items: center; gap: .35rem; }
.key::before { content: ""; width: .7rem; height: .25rem; border-radius: 2px; background: currentColor; }
.key.nozzle0::before { background: var(--nozzle0); }
.key.nozzle1::before { background: var(--nozzle1); }
.key.bed::before { background: var(--bed); }
.key.chamber::before { background: var(--chamber); }

/* ---- Chart ---- */

.segmented { display: inline-flex; border: 1px solid var(--line); border-radius: 10px; overflow: hidden; }
.segmented button { border: 0; border-radius: 0; min-height: 32px; padding: .25rem .7rem; font-size: .85rem; }
.segmented button + button { border-left: 1px solid var(--line); }
.segmented button.chosen { background: var(--accent); color: var(--on-accent); }

.chart { width: 100%; overflow: hidden; }
.chart svg { display: block; }
.chart .grid { stroke: var(--line); stroke-width: 1; }
.chart .tick { fill: var(--muted); font-size: 11px; }
.chart .line { fill: none; stroke-width: 2; stroke-linejoin: round; stroke-linecap: round; }
.chart .line.target { stroke-width: 1.2; stroke-dasharray: 4 4; opacity: .7; }
.chart .nozzle0 { stroke: var(--nozzle0); }
.chart .nozzle1 { stroke: var(--nozzle1); }
.chart .bed { stroke: var(--bed); }
.chart .chamber { stroke: var(--chamber); }

.legend { display: flex; flex-wrap: wrap; gap: .3rem 1rem; font-size: .82rem; }
.key-note { color: var(--muted); }

/* ---- AMS ---- */

.unit { display: grid; gap: .5rem; }
.unit h3 { display: flex; flex-wrap: wrap; gap: .1rem .6rem; align-items: baseline; }
.unit h3 .muted { font-weight: 400; font-size: .8rem; }
.trays {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: .5rem;
}
.tray {
  display: grid;
  justify-items: center;
  text-align: center;
  gap: .1rem;
  padding: .5rem .25rem;
  border-radius: 12px;
  border: 1px solid var(--line);
  font-size: .8rem;
  min-width: 0;
}
.tray.loaded { border-color: var(--accent); box-shadow: 0 0 0 2px var(--accent-soft); }
.swatch {
  width: 2.2rem;
  height: 2.2rem;
  border-radius: 50%;
  border: 1px solid rgb(127 127 127 / .45);
  margin-bottom: .15rem;
}
.tray.empty .swatch { border-style: dashed; background: transparent; }
.tray.empty { color: var(--muted); }
.tray .slot { font-weight: 700; }
.tray .material { font-weight: 600; }
.tray .name, .tray .remain { color: var(--muted); overflow-wrap: anywhere; }
.tray .badge { white-space: normal; font-size: .68rem; line-height: 1.2; margin-top: .15rem; }

/* ---- Alerts ---- */

.alert-list { list-style: none; margin: 0; padding: 0; display: grid; gap: .45rem; }
.alert-list li { display: grid; gap: .1rem; padding: .55rem .7rem; border-radius: 10px; }
.alert-list .warning { background: var(--warn-soft); }
.alert-list .error { background: var(--danger-soft); }
.alert-list .code { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: .75rem; color: var(--muted); }

/* ---- Controls ---- */

.buttons { display: flex; flex-wrap: wrap; gap: .5rem; }
.controls .buttons button { flex: 1 1 8rem; }
.controls .light.on { background: #ffd43b; border-color: #f2b705; color: #3b2f00; }

.overlay {
  position: fixed;
  inset: 0;
  z-index: 20;
  background: rgb(0 0 0 / .45);
  display: grid;
  place-items: center;
  padding: 1rem;
}
.dialog {
  width: min(26rem, 100%);
  background: var(--card);
  border-radius: var(--radius);
  padding: 1.1rem;
  display: grid;
  gap: .8rem;
  box-shadow: 0 20px 60px rgb(0 0 0 / .35);
}
.dialog .buttons { justify-content: flex-end; }
.dialog .warning { color: var(--danger); font-weight: 600; }

.notices {
  position: fixed;
  left: 50%;
  bottom: calc(1rem + env(safe-area-inset-bottom));
  transform: translateX(-50%);
  z-index: 30;
  display: grid;
  gap: .4rem;
  width: min(30rem, calc(100% - 2rem));
  pointer-events: none;
}
.notice {
  padding: .7rem 1rem;
  border-radius: 12px;
  background: var(--accent);
  color: var(--on-accent);
  font-weight: 600;
  box-shadow: 0 8px 24px rgb(0 0 0 / .25);
}
.notice.failed { background: var(--danger); }