/* SV02 Control — precision instrument panel, light. No build step; edit and reload. */

/* --- Type: IBM Plex, served from the Pi so the page works with no CDN ----- */

@font-face { font-family: "IBM Plex Sans"; src: url("/fonts/ibm-plex-sans-latin-400-normal.woff2") format("woff2"); font-weight: 400; font-style: normal; font-display: swap; }
@font-face { font-family: "IBM Plex Sans"; src: url("/fonts/ibm-plex-sans-latin-500-normal.woff2") format("woff2"); font-weight: 500; font-style: normal; font-display: swap; }
@font-face { font-family: "IBM Plex Sans"; src: url("/fonts/ibm-plex-sans-latin-600-normal.woff2") format("woff2"); font-weight: 600; font-style: normal; font-display: swap; }
@font-face { font-family: "IBM Plex Mono"; src: url("/fonts/ibm-plex-mono-latin-400-normal.woff2") format("woff2"); font-weight: 400; font-style: normal; font-display: swap; }
@font-face { font-family: "IBM Plex Mono"; src: url("/fonts/ibm-plex-mono-latin-500-normal.woff2") format("woff2"); font-weight: 500; font-style: normal; font-display: swap; }
@font-face { font-family: "IBM Plex Mono"; src: url("/fonts/ibm-plex-mono-latin-600-normal.woff2") format("woff2"); font-weight: 600; font-style: normal; font-display: swap; }

/* --- Tokens --------------------------------------------------------------- */

:root {
  color-scheme: light;

  /* Drafting-paper planes */
  --page:          #f3f2ee;
  --grid:          rgba(22, 24, 27, 0.042);
  --surface:       #fdfcf9;
  --surface-raised:#ffffff;
  --surface-sunk:  #f6f5f1;

  /* Hairlines */
  --hair:          #e6e4dd;
  --line:          #d6d4cb;
  --line-strong:   #bfbdb3;
  --axis:          #c3c2b7;
  --track:         #e9e8e2;

  /* Ink */
  --ink:           #16181b;
  --ink-2:         #52514e;
  --muted:         #898781;

  /* Data series — validated categorical order (CVD-safe, all-pairs for 3) */
  --s1: #2a78d6;
  --s2: #eb6834;
  --s3: #1baf7a;
  --s4: #eda100;
  --s5: #e87ba4;
  --s6: #008300;
  --s7: #4a3aa7;
  --s8: #e34948;

  /* Status — reserved; always paired with an icon and a label */
  --good:          #0ca30c;
  --good-ink:      #006300;
  --good-wash:     #e8f5e8;
  --warning:       #fab219;
  --warning-ink:   #7a5200;
  --warning-wash:  #fdf3dc;
  --critical:      #d03b3b;
  --critical-ink:  #9e2626;
  --critical-wash: #fbeaea;

  --r:    6px;
  --r-sm: 4px;

  --sans: "IBM Plex Sans", system-ui, -apple-system, "Segoe UI", sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, "SF Mono", Consolas, monospace;

  --topbar-h: 56px;
}

* { box-sizing: border-box; }

/*
 * The hidden attribute only works because the browser default stylesheet says
 * [hidden] { display: none }. ANY author rule that sets display beats it -- so
 * .login (display:grid) would stay on screen forever even after el.hidden =
 * true, covering a dashboard that loaded fine underneath. Every show/hide in
 * app.js depends on this line. Do not remove it.
 */
[hidden] { display: none !important; }

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

body {
  margin: 0;
  font: 400 14px/1.5 var(--sans);
  color: var(--ink);
  background-color: var(--page);
  background-image:
    linear-gradient(var(--grid) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid) 1px, transparent 1px);
  background-size: 24px 24px;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, p { margin: 0; }
button, input, select { font: inherit; color: inherit; }

.k {
  font: 500 10.5px/1.3 var(--mono);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
}
.code { font: 500 11px/1.3 var(--mono); color: var(--muted); letter-spacing: 0.02em; }
.unit { font: 500 11px/1 var(--mono); color: var(--muted); }
.mono { font-family: var(--mono); }

/* --- Buttons & inputs ----------------------------------------------------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  height: 36px;
  padding: 0 14px;
  border: 1px solid var(--line-strong);
  border-radius: var(--r-sm);
  background: var(--surface-raised);
  color: var(--ink);
  font-weight: 500;
  font-size: 13.5px;
  line-height: 1;
  white-space: nowrap;
  cursor: pointer;
  transition: background-color .12s, border-color .12s, box-shadow .12s, opacity .12s;
  -webkit-tap-highlight-color: transparent;
}
.btn:hover:not(:disabled)  { border-color: var(--ink-2); }
.btn:active:not(:disabled) { box-shadow: inset 0 1px 3px rgba(22, 24, 27, .16); }
.btn:disabled              { opacity: .42; cursor: not-allowed; }
.btn.is-busy               { opacity: .6; pointer-events: none; }

.btn:focus-visible, .seg button:focus-visible, .tab:focus-visible,
.jog:focus-visible, .input:focus-visible, .dropzone:focus-visible,
input[type=range]:focus-visible {
  outline: 2px solid var(--ink);
  outline-offset: 2px;
}

.btn-ink { background: var(--ink); border-color: var(--ink); color: var(--surface); }
.btn-ink:hover:not(:disabled) { background: #2c2f34; border-color: #2c2f34; }
.btn-outline { background: transparent; }
.btn-ghost { background: transparent; border-color: transparent; color: var(--ink-2); }
.btn-ghost:hover:not(:disabled) { background: rgba(22, 24, 27, .05); border-color: transparent; color: var(--ink); }
.btn-sm { height: 30px; padding: 0 10px; font-size: 12.5px; }
.btn-block { width: 100%; }

.btn-danger { background: transparent; color: var(--critical-ink); border-color: #e3bbb8; }
.btn-danger:hover:not(:disabled) { background: var(--critical-wash); border-color: var(--critical); }
.btn-danger-solid { background: var(--critical); border-color: #a92e2e; color: #fff; }
.btn-danger-solid:hover:not(:disabled) { background: #b83232; border-color: #8f2626; }

.btn-estop {
  background: var(--critical);
  border-color: #a92e2e;
  color: #fff;
  font: 600 13px/1 var(--mono);
  letter-spacing: .1em;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, .2), 0 1px 0 rgba(22, 24, 27, .08);
}
.btn-estop:hover:not(:disabled) { background: #b83232; border-color: #8f2626; }

.code-inline { font: 500 11px/1 var(--mono); color: var(--muted); }
.btn-ink .code-inline { color: rgba(253, 252, 249, .6); }

.seg {
  display: inline-flex;
  align-items: stretch;
  border: 1px solid var(--line);
  border-radius: var(--r-sm);
  background: var(--surface-raised);
  overflow: hidden;
  flex: none;
}
.seg button {
  height: 28px;
  padding: 0 10px;
  border: 0;
  border-left: 1px solid var(--hair);
  background: transparent;
  font: 500 12px/1 var(--mono);
  color: var(--ink-2);
  cursor: pointer;
}
.seg button:first-child { border-left: 0; }
.seg button:hover { background: var(--surface-sunk); color: var(--ink); }
.seg button.active { background: var(--ink); color: var(--surface); }
.seg button.is-busy { opacity: .55; }

.input {
  width: 100%;
  height: 38px;
  padding: 0 11px;
  border: 1px solid var(--line);
  border-radius: var(--r-sm);
  background: var(--surface-raised);
  font-size: 16px;               /* 16px stops iOS zooming the page on focus */
}
.input.mono { font-family: var(--mono); }
.input-sm { height: 30px; }
@media (min-width: 720px) {
  .input { font-size: 13.5px; }
}

/* --- Status LED ----------------------------------------------------------- */

.led {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  flex: none;
  background: var(--muted);
  box-shadow: 0 0 0 3px rgba(137, 135, 129, .18);
}
[data-state="idle"] .led     { background: var(--good);     box-shadow: 0 0 0 3px rgba(12, 163, 12, .16); }
[data-state="printing"] .led { background: var(--good);     box-shadow: 0 0 0 3px rgba(12, 163, 12, .22); animation: pulse 1.6s ease-in-out infinite; }
[data-state="paused"] .led   { background: var(--warning);  box-shadow: 0 0 0 3px rgba(250, 178, 25, .24); }
[data-state="error"] .led,
[data-state="offline"] .led  { background: var(--critical); box-shadow: 0 0 0 3px rgba(208, 59, 59, .18); }

@keyframes pulse { 50% { opacity: .35; } }
@keyframes spin  { to { transform: rotate(360deg); } }

/* --- Login ---------------------------------------------------------------- */

.login {
  min-height: 100dvh;
  display: grid;
  place-items: center;
  padding: 24px;
}
.login-card {
  width: min(400px, 100%);
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--r);
  box-shadow: 0 1px 0 rgba(22, 24, 27, .03), 0 30px 70px -36px rgba(22, 24, 27, .32);
  overflow: hidden;
}
.login-strip, .login-foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 10px 18px;
  background: var(--surface-sunk);
}
.login-strip { border-bottom: 1px solid var(--hair); }
.login-foot  { border-top: 1px solid var(--hair); }
.login-body { display: grid; gap: 16px; padding: 28px 22px 24px; }
.login-title { display: grid; gap: 4px; }
.login-title h1 { font-size: 26px; font-weight: 600; letter-spacing: -.015em; line-height: 1.15; }
.login-body .sub { color: var(--ink-2); font-size: 13.5px; margin-top: -6px; }
.login-body .btn-block { height: 42px; }
.field { display: grid; gap: 6px; }
.form-error { color: var(--critical-ink); font-size: 13px; }
.form-error::before { content: "✕ "; font-family: var(--mono); }

/* --- Top bar -------------------------------------------------------------- */

.topbar {
  position: sticky;
  top: 0;
  z-index: 30;
  display: flex;
  align-items: center;
  gap: 14px;
  height: var(--topbar-h);
  padding: 0 16px;
  background: rgba(243, 242, 238, .92);
  -webkit-backdrop-filter: saturate(140%) blur(10px);
  backdrop-filter: saturate(140%) blur(10px);
  border-bottom: 1px solid var(--line);
}
.id-block { display: flex; align-items: center; gap: 10px; min-width: 0; }
.unit-mark {
  display: grid;
  place-items: center;
  width: 36px;
  height: 36px;
  flex: none;
  border-radius: var(--r-sm);
  background: var(--ink);
  color: var(--surface);
  font: 600 11px/1 var(--mono);
  letter-spacing: .04em;
}
.unit-mark.sm { width: 28px; height: 28px; font-size: 9px; }
.unit-meta { display: grid; line-height: 1.2; min-width: 0; }
.unit-meta strong { font-size: 14px; font-weight: 600; white-space: nowrap; }
.unit-meta span {
  font: 500 10px/1.3 var(--mono);
  letter-spacing: .07em;
  color: var(--muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.state-chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  height: 30px;
  padding: 0 12px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--surface-raised);
  font-size: 13px;
  font-weight: 500;
  white-space: nowrap;
  flex: none;
}
.topbar-right { display: flex; align-items: center; gap: 18px; margin-left: auto; }
.readout-inline { display: grid; line-height: 1.15; text-align: right; }
.readout-inline .v { font: 500 13px/1.25 var(--mono); font-variant-numeric: tabular-nums; }

/* --- Command dock --------------------------------------------------------- */

.command-dock {
  position: sticky;
  top: var(--topbar-h);
  z-index: 25;
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 8px 16px;
  background: rgba(253, 252, 249, .94);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.dock-job { display: flex; align-items: center; gap: 12px; min-width: 0; flex: 1; }
.dock-file { font-weight: 500; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; min-width: 0; }
.dock-meter { width: 140px; flex: none; }
.dock-pct { font: 600 13px/1 var(--mono); font-variant-numeric: tabular-nums; min-width: 44px; }
.dock-actions { display: flex; gap: 8px; margin-left: auto; }
.dock-actions .btn { min-width: 92px; }

/* --- Banners -------------------------------------------------------------- */

.banners { display: grid; gap: 8px; max-width: 1480px; margin: 0 auto; padding: 12px 12px 0; }
.banners:empty { display: none; }
.banner {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 10px 12px;
  background: var(--surface-raised);
  border: 1px solid var(--line);
  border-left: 3px solid var(--ink-2);
  border-radius: var(--r-sm);
  font-size: 13px;
}
.banner .glyph { font: 600 12px/1.55 var(--mono); flex: none; }
.banner .text { flex: 1; min-width: 0; }
.banner.danger { border-left-color: var(--critical); }
.banner.danger .glyph { color: var(--critical-ink); }
.banner.warn { border-left-color: var(--warning); }
.banner.warn .glyph { color: var(--warning-ink); }
.banner button {
  border: 0;
  background: transparent;
  color: var(--muted);
  font-size: 18px;
  line-height: 1;
  padding: 0 2px;
  cursor: pointer;
}

/* --- Tabs (phone only) ---------------------------------------------------- */

.tabs {
  position: sticky;
  top: var(--topbar-h);
  z-index: 20;
  display: flex;
  margin: 12px 12px 0;
  border: 1px solid var(--line);
  border-radius: var(--r-sm);
  background: var(--surface-raised);
  overflow: hidden;
  box-shadow: 0 6px 16px -14px rgba(22, 24, 27, .4);
}
.tab {
  flex: 1;
  height: 38px;
  border: 0;
  border-left: 1px solid var(--hair);
  background: transparent;
  font-size: 13px;
  font-weight: 500;
  color: var(--ink-2);
  cursor: pointer;
}
.tab:first-child { border-left: 0; }
.tab.active { background: var(--ink); color: var(--surface); }

/* --- Deck & modules ------------------------------------------------------- */

.deck {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
  max-width: 1480px;
  margin: 0 auto;
  padding: 12px;
}

.module {
  display: flex;
  flex-direction: column;
  min-width: 0;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--r);
  box-shadow: 0 1px 0 rgba(22, 24, 27, .03);
  overflow: hidden;
}
.mod-head {
  display: flex;
  align-items: center;
  gap: 10px;
  min-height: 46px;
  padding: 8px 14px;
  border-bottom: 1px solid var(--hair);
}
.mod-idx {
  flex: none;
  padding: 3px 5px;
  border: 1px solid var(--line);
  border-radius: 3px;
  background: var(--surface-raised);
  font: 600 10.5px/1 var(--mono);
  color: var(--ink-2);
}
.mod-head h2 {
  font-size: 12.5px;
  font-weight: 600;
  letter-spacing: .08em;
  text-transform: uppercase;
  white-space: nowrap;
}
.mod-head .code { min-width: 0; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.mod-tools { display: flex; align-items: center; gap: 8px; margin-left: auto; flex: none; }
.mod-body { display: grid; gap: 14px; padding: 14px; }
.mod-note { font-size: 12.5px; color: var(--muted); }
.mod-note.pad { padding: 10px 14px 14px; border-top: 1px solid var(--hair); }
.mod-subhead {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 6px 14px;
  border-top: 1px solid var(--hair);
  background: var(--surface-sunk);
}
.empty-row { padding: 16px 14px; color: var(--muted); font-size: 13px; }

/* --- 01 Optical ----------------------------------------------------------- */

.viewfinder {
  position: relative;
  aspect-ratio: 4 / 3;
  background: #0e0f10;
  overflow: hidden;
  border-bottom: 1px solid var(--line);
}
.viewfinder img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: contain; }
.viewfinder:fullscreen { aspect-ratio: auto; }

.vf-corner {
  position: absolute;
  z-index: 5;
  width: 20px;
  height: 20px;
  border: 2px solid rgba(255, 255, 255, .7);
  pointer-events: none;
}
.vf-corner.tl { top: 12px;    left: 12px;  border-right: 0; border-bottom: 0; }
.vf-corner.tr { top: 12px;    right: 12px; border-left: 0;  border-bottom: 0; }
.vf-corner.bl { bottom: 12px; left: 12px;  border-right: 0; border-top: 0; }
.vf-corner.br { bottom: 12px; right: 12px; border-left: 0;  border-top: 0; }

.vf-cross {
  position: absolute;
  z-index: 2;
  left: 50%;
  top: 50%;
  width: 22px;
  height: 22px;
  transform: translate(-50%, -50%);
  opacity: .45;
  pointer-events: none;
}
.vf-cross::before, .vf-cross::after { content: ""; position: absolute; background: #fff; }
.vf-cross::before { left: 50%; top: 0; bottom: 0; width: 1px; }
.vf-cross::after  { top: 50%; left: 0; right: 0; height: 1px; }

.vf-hud {
  position: absolute;
  z-index: 3;
  left: 42px;
  right: 42px;
  display: flex;
  align-items: center;
  gap: 6px;
}
.vf-hud.top    { top: 13px; }
.vf-hud.bottom { bottom: 13px; }
.hud-spacer { flex: 1; }
.hud-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  height: 22px;
  padding: 0 8px;
  border-radius: 3px;
  background: rgba(14, 15, 16, .62);
  color: #f3f2ee;
  font: 500 10.5px/1 var(--mono);
  letter-spacing: .08em;
  white-space: nowrap;
}
.hud-chip .rec { width: 7px; height: 7px; border-radius: 50%; background: #ff5252; animation: pulse 1.4s ease-in-out infinite; }
.hud-btn {
  height: 24px;
  min-width: 30px;
  border: 1px solid rgba(255, 255, 255, .25);
  border-radius: 3px;
  background: rgba(14, 15, 16, .62);
  color: #f3f2ee;
  font-size: 13px;
  cursor: pointer;
}

.camera-overlay {
  position: absolute;
  inset: 0;
  z-index: 4;
  display: grid;
  place-content: center;
  justify-items: center;
  gap: 12px;
  padding: 24px;
  text-align: center;
  background: rgba(14, 15, 16, .88);
  color: #d9d8d2;
}
.camera-overlay p { font-size: 13.5px; max-width: 36ch; }
.camera-overlay .btn { background: transparent; color: #f3f2ee; border-color: rgba(255, 255, 255, .35); }
.spinner {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  border: 2px solid rgba(255, 255, 255, .2);
  border-top-color: #f3f2ee;
  animation: spin .8s linear infinite;
}

.job { display: grid; gap: 12px; padding: 14px; }
.job-top { display: flex; align-items: flex-end; justify-content: space-between; gap: 16px; }
.job-id { display: grid; gap: 3px; min-width: 0; }
.job-file { font-size: 15px; font-weight: 500; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.job-hero { font-size: 52px; font-weight: 600; line-height: .9; letter-spacing: -.03em; flex: none; }
.job-hero small { font-size: 20px; font-weight: 500; letter-spacing: 0; color: var(--muted); margin-left: 3px; }
.job-hero .is-empty { color: var(--line-strong); font-weight: 400; }

.meter { position: relative; height: 10px; border-radius: 2px; background: var(--track); overflow: hidden; }
.meter.thin { height: 4px; }
.meter-fill {
  position: absolute;
  inset: 0 auto 0 0;
  width: 0;
  background: var(--ink);
  transition: width .5s ease;
}
.meter-ticks {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image: repeating-linear-gradient(90deg, transparent 0 calc(10% - 1px), rgba(253, 252, 249, .95) calc(10% - 1px) 10%);
}

.kv-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  margin: 0;
  border: 1px solid var(--hair);
  border-radius: var(--r-sm);
  background: var(--surface-raised);
}
.kv-grid > div { min-width: 0; padding: 8px 10px; border-left: 1px solid var(--hair); }
.kv-grid > div:first-child { border-left: 0; }
.kv-grid dt { font: 500 10px/1.2 var(--mono); letter-spacing: .08em; text-transform: uppercase; color: var(--muted); }
.kv-grid dd {
  margin: 4px 0 0;
  font: 500 14px/1.2 var(--mono);
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* --- 02 Thermal ----------------------------------------------------------- */

.heater-grid { display: grid; grid-template-columns: minmax(0, 1fr); gap: 10px; padding: 14px; }
.heater {
  --series: var(--s1);
  position: relative;
  display: grid;
  gap: 10px;
  padding: 12px 12px 12px 15px;
  border: 1px solid var(--hair);
  border-radius: var(--r-sm);
  background: var(--surface-raised);
}
.heater::before {
  content: "";
  position: absolute;
  left: -1px;
  top: 10px;
  bottom: 10px;
  width: 3px;
  border-radius: 0 2px 2px 0;
  background: var(--series);
}
.heater.anomaly  { border-color: var(--warning); }
.heater.alerting { border-color: var(--critical); box-shadow: inset 0 0 0 1px var(--critical); }

.heater-head { display: flex; align-items: center; gap: 8px; min-width: 0; }
.heater-head h3 { font-size: 13.5px; font-weight: 600; }
.heater-head .code { padding: 1px 5px; border: 1px solid var(--hair); border-radius: 3px; }
.status-chip {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  height: 22px;
  margin-left: auto;
  padding: 0 8px;
  border-radius: 3px;
  font: 600 10.5px/1 var(--mono);
  letter-spacing: .06em;
  text-transform: uppercase;
}
.status-chip.warn { background: var(--warning-wash);  color: var(--warning-ink); }
.status-chip.crit { background: var(--critical-wash); color: var(--critical-ink); }

.heater-main { display: flex; align-items: flex-end; justify-content: space-between; gap: 10px 16px; flex-wrap: wrap; }
.heater-value { display: flex; align-items: baseline; gap: 4px; }
.temp-actual { font-size: 34px; font-weight: 600; line-height: 1; letter-spacing: -.02em; }
.heater-value .unit { font-size: 13px; }
.heater-kv { display: grid; grid-template-columns: repeat(3, auto); gap: 0 18px; margin: 0; text-align: right; }
.heater-kv dt { font: 500 9.5px/1.3 var(--mono); letter-spacing: .07em; text-transform: uppercase; color: var(--muted); }
.heater-kv dd { margin: 2px 0 0; font: 500 13.5px/1.2 var(--mono); font-variant-numeric: tabular-nums; white-space: nowrap; }

.gauge { display: grid; gap: 3px; }
.gauge-track { position: relative; height: 8px; border-radius: 2px; background: var(--track); }
.gauge-fill {
  position: absolute;
  inset: 0 auto 0 0;
  width: 0;
  border-radius: 2px;
  background: var(--series);
  transition: width .5s ease;
}
.gauge-target {
  position: absolute;
  top: -3px;
  bottom: -3px;
  left: 0;
  width: 2px;
  margin-left: -1px;
  border-radius: 1px;
  background: var(--ink);
  transition: left .3s ease;
}
.gauge-target::before {
  content: "";
  position: absolute;
  top: -5px;
  left: -3px;
  border: 4px solid transparent;
  border-top-color: var(--ink);
}
.gauge-scale { position: relative; height: 17px; margin-top: 2px; }
.gauge-scale .tick { position: absolute; top: 0; width: 1px; height: 3px; background: var(--axis); }
.gauge-scale .tick.major { height: 5px; background: var(--muted); }
.gauge-scale .tick-label {
  position: absolute;
  top: 7px;
  transform: translateX(-50%);
  font: 500 9.5px/1 var(--mono);
  color: var(--muted);
  font-variant-numeric: tabular-nums;
}
.gauge-scale .tick-label.first { transform: none; }
.gauge-scale .tick-label.last  { transform: translateX(-100%); }

.heater-foot { display: flex; align-items: center; justify-content: space-between; gap: 8px 12px; flex-wrap: wrap; }
.heater-note { font-size: 12px; color: var(--ink-2); min-width: 0; }
.heater-set { display: flex; align-items: center; gap: 6px; margin-left: auto; }
.heater-set .input { width: 72px; }

/* --- 03 Temperature log --------------------------------------------------- */

.chart-legend { display: flex; flex-wrap: wrap; align-items: center; gap: 6px 18px; padding: 12px 14px 0; }
.legend-item { display: inline-flex; align-items: center; gap: 7px; font-size: 12.5px; color: var(--ink-2); }
.legend-key { display: inline-block; width: 14px; height: 2px; border-radius: 1px; flex: none; }
.legend-value { font: 500 12.5px/1 var(--mono); color: var(--ink); font-variant-numeric: tabular-nums; }
.legend-hint { display: inline-flex; align-items: center; gap: 7px; margin-left: auto; font-size: 12px; color: var(--muted); }
.legend-hint .dash { width: 14px; border-top: 1.5px dashed var(--muted); }

.chart-wrap { position: relative; height: 240px; margin: 6px 6px 10px; touch-action: pan-y; }
#temp-chart { display: block; width: 100%; height: 100%; cursor: crosshair; }
.chart-empty {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  font-size: 12.5px;
  color: var(--muted);
  pointer-events: none;
}
.chart-tip {
  position: absolute;
  top: 6px;
  z-index: 5;
  min-width: 164px;
  padding: 8px 10px;
  background: var(--surface-raised);
  border: 1px solid var(--line);
  border-radius: var(--r-sm);
  box-shadow: 0 12px 28px -14px rgba(22, 24, 27, .4);
  pointer-events: none;
}
.tip-time { margin-bottom: 6px; font: 500 10.5px/1 var(--mono); letter-spacing: .06em; color: var(--muted); }
.tip-row { display: grid; grid-template-columns: 12px auto 1fr; align-items: center; gap: 8px; font-size: 12px; }
.tip-row + .tip-row { margin-top: 4px; }
.tip-row .legend-key { width: 12px; }
.tip-row b { font: 600 13px/1 var(--mono); font-variant-numeric: tabular-nums; }
.tip-row span { color: var(--ink-2); white-space: nowrap; }
.tip-row em { font: 500 11px/1 var(--mono); font-style: normal; color: var(--muted); }

.chart-table {
  max-height: 280px;
  margin: 0 14px 14px;
  overflow: auto;
  border: 1px solid var(--hair);
  border-radius: var(--r-sm);
}
.chart-table table { width: 100%; border-collapse: collapse; font: 12px/1.3 var(--mono); font-variant-numeric: tabular-nums; }
.chart-table th {
  position: sticky;
  top: 0;
  padding: 7px 10px;
  background: var(--surface-sunk);
  border-bottom: 1px solid var(--hair);
  font-size: 10px;
  font-weight: 500;
  letter-spacing: .06em;
  text-transform: uppercase;
  color: var(--muted);
  text-align: right;
  white-space: nowrap;
}
.chart-table td { padding: 6px 10px; border-bottom: 1px solid var(--hair); text-align: right; white-space: nowrap; }
.chart-table th:first-child, .chart-table td:first-child { text-align: left; }
.chart-table tr:last-child td { border-bottom: 0; }

/* --- 04 Motion ------------------------------------------------------------ */

.step-row, .field-row { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.field-row > .k { width: 58px; flex: none; }
.field-row .input { width: 76px; }

.pendant { display: flex; justify-content: center; align-items: center; gap: 20px; flex-wrap: wrap; padding: 4px 0; }
.xy-pad, .z-rail {
  display: grid;
  gap: 6px;
  padding: 10px;
  border: 1px solid var(--hair);
  border-radius: 10px;
  background: var(--surface-sunk);
  box-shadow: inset 0 1px 2px rgba(22, 24, 27, .04);
}
.xy-pad { grid-template-columns: repeat(3, 60px); grid-template-rows: repeat(3, 60px); }
.z-rail { grid-template-columns: 60px; grid-template-rows: repeat(3, 60px); }
.pad-axis { display: grid; place-items: center; font: 500 10px/1 var(--mono); letter-spacing: .05em; color: var(--muted); }

.jog {
  display: grid;
  place-content: center;
  justify-items: center;
  gap: 3px;
  padding: 0;
  border: 1px solid var(--line-strong);
  border-radius: var(--r-sm);
  background: var(--surface-raised);
  color: var(--ink);
  cursor: pointer;
  box-shadow: 0 1px 0 rgba(22, 24, 27, .07);
  transition: border-color .12s, background-color .12s, box-shadow .12s;
  -webkit-tap-highlight-color: transparent;
}
.jog:hover:not(:disabled)  { border-color: var(--ink-2); }
.jog:active:not(:disabled) { background: var(--surface-sunk); box-shadow: inset 0 1px 3px rgba(22, 24, 27, .18); }
.jog .arrow { font-size: 13px; line-height: 1; }
.jog .lbl { font: 600 10.5px/1 var(--mono); letter-spacing: .03em; color: var(--ink-2); }
.jog.home { background: var(--ink); border-color: var(--ink); color: var(--surface); }
.jog.home .lbl { color: rgba(253, 252, 249, .7); }
.jog.home .arrow { font-size: 16px; }
.jog.is-busy { opacity: .5; pointer-events: none; }

.btn-row { display: flex; gap: 8px; flex-wrap: wrap; }
.btn-row .btn { flex: 1 1 140px; }

/* --- 05 Extrusion --------------------------------------------------------- */

.ready-chip {
  display: flex;
  align-items: center;
  gap: 9px;
  padding: 9px 11px;
  border: 1px solid var(--hair);
  border-radius: var(--r-sm);
  background: var(--surface-sunk);
  font-size: 12.5px;
  color: var(--ink-2);
}
.ready-chip .glyph { font: 600 12px/1 var(--mono); flex: none; }
.ready-chip b { font: 600 12.5px/1 var(--mono); font-variant-numeric: tabular-nums; }
.ready-chip.ok   { background: var(--good-wash);    border-color: #c3e4c3; color: var(--good-ink); }
.ready-chip.cold { background: var(--warning-wash); border-color: #f1d9a3; color: var(--warning-ink); }

/* --- 06 Tuning ------------------------------------------------------------ */

.tune-list { display: grid; }
.tune-row { display: grid; gap: 8px; padding: 14px; border-top: 1px solid var(--hair); }
.tune-row:first-child { border-top: 0; }
.tune-head { display: flex; align-items: baseline; gap: 8px; }
.tune-name { font-size: 13.5px; font-weight: 500; }
.tune-head output { margin-left: auto; font: 600 18px/1 var(--mono); font-variant-numeric: tabular-nums; }
.tune-row > .seg, .tune-row > div:not(.tune-head):not(.scale):not(.baby-grid) { justify-self: start; }

input[type=range] {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: 20px;
  margin: 0;
  background: transparent;
  cursor: pointer;
}
input[type=range]::-webkit-slider-runnable-track {
  height: 4px;
  border-radius: 2px;
  background: linear-gradient(90deg, var(--ink) var(--pct, 0%), var(--track) var(--pct, 0%));
}
input[type=range]::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 18px;
  height: 18px;
  margin-top: -7px;
  border-radius: 50%;
  border: 2px solid var(--ink);
  background: var(--surface-raised);
  box-shadow: 0 1px 3px rgba(22, 24, 27, .25);
}
input[type=range]::-moz-range-track    { height: 4px; border-radius: 2px; background: var(--track); }
input[type=range]::-moz-range-progress { height: 4px; border-radius: 2px; background: var(--ink); }
input[type=range]::-moz-range-thumb    { width: 14px; height: 14px; border-radius: 50%; border: 2px solid var(--ink); background: #fff; }

.scale { position: relative; height: 16px; margin: 0 9px; }
.scale span {
  position: absolute;
  top: 5px;
  transform: translateX(-50%);
  font: 500 9.5px/1 var(--mono);
  color: var(--muted);
}
.scale span::before {
  content: "";
  position: absolute;
  left: 50%;
  top: -5px;
  width: 1px;
  height: 3px;
  background: var(--axis);
}

.baby-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 6px; }
.baby-grid .btn { padding: 0 4px; font-family: var(--mono); font-size: 13px; }

/* --- 07 Maintenance ------------------------------------------------------- */

.cmd-list { list-style: none; margin: 0; padding: 0; }
.cmd-list li { display: flex; align-items: center; gap: 12px; padding: 11px 14px; border-top: 1px solid var(--hair); }
.cmd-list li:first-child { border-top: 0; }
.cmd-list li.empty-row { display: block; }
.cmd-main { display: grid; gap: 3px; min-width: 0; flex: 1; }
.cmd-name { font-size: 13.5px; font-weight: 500; }
.cmd-meta { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.cmd-gcode {
  padding: 1px 6px;
  border: 1px solid var(--hair);
  border-radius: 3px;
  background: var(--surface-sunk);
  font: 500 11.5px/1.4 var(--mono);
  color: var(--ink-2);
}
.cmd-flag { font: 500 10px/1 var(--mono); letter-spacing: .06em; text-transform: uppercase; color: var(--muted); }

/* --- 08 Job files --------------------------------------------------------- */

.dropzone {
  display: grid;
  justify-items: center;
  gap: 4px;
  padding: 22px 16px;
  border: 1.5px dashed var(--line-strong);
  border-radius: var(--r-sm);
  background: var(--surface-raised);
  text-align: center;
  cursor: pointer;
  transition: border-color .15s, background-color .15s;
}
.dropzone:hover, .dropzone.dragging { border-color: var(--ink); background: var(--surface-sunk); }
.drop-icon {
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  margin-bottom: 4px;
  border: 1px solid var(--line);
  border-radius: var(--r-sm);
  background: var(--surface);
  font-size: 16px;
}
.drop-title { font-weight: 500; }
.file-chosen {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 6px 6px 6px 10px;
  border: 1px solid var(--hair);
  border-radius: var(--r-sm);
  background: var(--surface-sunk);
  font: 500 12.5px/1.3 var(--mono);
}
.file-chosen span { flex: 1; min-width: 0; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.upload-row { display: flex; align-items: center; justify-content: space-between; gap: 10px; flex-wrap: wrap; }
.checkbox { display: flex; align-items: center; gap: 8px; font-size: 13px; color: var(--ink-2); cursor: pointer; }
.checkbox input { width: 16px; height: 16px; margin: 0; accent-color: var(--ink); }
.upload-status { font-size: 12.5px; color: var(--ink-2); }
.upload-status.error { color: var(--critical-ink); }

.file-table { list-style: none; margin: 0; padding: 0; max-height: 440px; overflow-y: auto; }
.file-table li { display: flex; align-items: center; gap: 12px; padding: 10px 14px; border-top: 1px solid var(--hair); }
.file-table li.empty-row { display: block; }
.file-glyph {
  display: grid;
  place-items: center;
  width: 32px;
  height: 32px;
  flex: none;
  border: 1px solid var(--hair);
  border-radius: var(--r-sm);
  background: var(--surface-sunk);
  font: 600 8.5px/1 var(--mono);
  letter-spacing: .05em;
  color: var(--ink-2);
}
.file-meta { display: grid; gap: 2px; min-width: 0; flex: 1; }
.file-meta strong { font-size: 13.5px; font-weight: 500; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.file-meta span { font: 500 11px/1.3 var(--mono); color: var(--muted); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }

/* --- 09 Event log --------------------------------------------------------- */

.log-list { list-style: none; margin: 0; padding: 0; max-height: 520px; overflow-y: auto; font-size: 12.5px; }
.log-list li {
  display: grid;
  grid-template-columns: auto auto minmax(0, 1fr);
  align-items: baseline;
  gap: 10px;
  padding: 7px 14px;
  border-top: 1px solid var(--hair);
}
.log-list li:first-child { border-top: 0; }
.log-list li.empty-row { display: block; }
.log-list time { font: 500 11px/1.4 var(--mono); color: var(--muted); font-variant-numeric: tabular-nums; }
.log-lvl {
  padding: 0 5px;
  border: 1px solid var(--hair);
  border-radius: 3px;
  background: var(--surface-sunk);
  font: 600 9.5px/1.7 var(--mono);
  letter-spacing: .06em;
  text-transform: uppercase;
  color: var(--ink-2);
}
.lvl-warn .log-lvl  { background: var(--warning-wash);  border-color: #f1d9a3; color: var(--warning-ink); }
.lvl-error .log-lvl { background: var(--critical-wash); border-color: #eec4c2; color: var(--critical-ink); }
.log-msg { overflow-wrap: anywhere; }

/* --- Status bar ----------------------------------------------------------- */

.statusbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px 20px;
  max-width: 1480px;
  margin: 0 auto;
  padding: 4px 16px 20px;
  font: 500 10.5px/1.4 var(--mono);
  letter-spacing: .07em;
  text-transform: uppercase;
  color: var(--muted);
}
.statusbar b { font-weight: 500; color: var(--ink-2); letter-spacing: .02em; text-transform: none; }
.sb-item { display: inline-flex; align-items: center; gap: 6px; }
.statusbar .led { width: 6px; height: 6px; box-shadow: none; animation: none; }

/* --- Dialog & toast ------------------------------------------------------- */

.confirm {
  width: min(420px, calc(100% - 32px));
  padding: 0;
  border: 1px solid var(--line);
  border-radius: var(--r);
  background: var(--surface);
  color: var(--ink);
  box-shadow: 0 34px 80px -34px rgba(22, 24, 27, .55);
}
.confirm::backdrop { background: rgba(22, 24, 27, .38); -webkit-backdrop-filter: blur(2px); backdrop-filter: blur(2px); }
.confirm-strip { padding: 9px 16px; border-bottom: 1px solid var(--hair); background: var(--surface-sunk); }
.confirm-body { display: grid; gap: 8px; padding: 18px 16px 4px; }
.confirm h3 { font-size: 17px; font-weight: 600; }
.confirm p { font-size: 13.5px; color: var(--ink-2); }
.confirm-actions { display: flex; justify-content: flex-end; gap: 8px; padding: 16px; }

.toast {
  position: fixed;
  left: 50%;
  bottom: calc(24px + env(safe-area-inset-bottom));
  z-index: 100;
  display: flex;
  align-items: center;
  gap: 10px;
  max-width: calc(100vw - 32px);
  padding: 10px 14px;
  transform: translateX(-50%);
  background: var(--ink);
  color: var(--surface);
  border-radius: var(--r-sm);
  box-shadow: 0 16px 36px -14px rgba(22, 24, 27, .55);
  font-size: 13px;
  font-weight: 500;
}
.toast::before { content: ""; width: 7px; height: 7px; border-radius: 50%; background: var(--muted); flex: none; }
.toast.ok::before    { background: var(--good); }
.toast.error::before { background: var(--critical); }

/* --- Layout by width ------------------------------------------------------ */

/* Phone: one column, tabbed, commands pinned to the thumb zone. */
@media (max-width: 719px) {
  .hide-sm { display: none !important; }
  .panel:not(.active) { display: none; }

  #dashboard { padding-bottom: calc(76px + env(safe-area-inset-bottom)); }

  .topbar { gap: 10px; padding: 0 12px; }
  .command-dock {
    position: fixed;
    top: auto;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 10px 12px calc(10px + env(safe-area-inset-bottom));
    border-top: 1px solid var(--line);
    border-bottom: 0;
    box-shadow: 0 -10px 26px -20px rgba(22, 24, 27, .45);
  }
  .dock-job { display: none; }
  .dock-actions { display: grid; grid-template-columns: 1fr 1fr 1.15fr; width: 100%; margin: 0; }
  .dock-actions .btn { height: 46px; min-width: 0; }
  #btn-reconnect { grid-column: 1 / -1; }

  .toast { bottom: calc(88px + env(safe-area-inset-bottom)); }
  .job-hero { font-size: 48px; }
  .xy-pad { grid-template-columns: repeat(3, 64px); grid-template-rows: repeat(3, 64px); }
  .z-rail { grid-template-columns: 64px; grid-template-rows: repeat(3, 64px); }
}

@media (max-width: 400px) {
  .unit-meta span { display: none; }
  .kv-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .kv-grid > div:nth-child(3) { border-left: 0; }
  .kv-grid > div:nth-child(n+3) { border-top: 1px solid var(--hair); }
}

/* Tablet: two columns, everything visible. */
@media (min-width: 720px) {
  .tabs { display: none; }
  .banners { padding: 14px 16px 0; }
  .deck {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    grid-template-areas:
      "camera   camera"
      "thermal  thermal"
      "chart    chart"
      "motion   extruder"
      "tune     maint"
      "files    log";
    align-items: start;
    padding: 16px;
  }
  .mod-camera   { grid-area: camera; }
  .mod-thermal  { grid-area: thermal; }
  .mod-chart    { grid-area: chart; }
  .mod-motion   { grid-area: motion; }
  .mod-extruder { grid-area: extruder; }
  .mod-tune     { grid-area: tune; }
  .mod-maint    { grid-area: maint; }
  .mod-files    { grid-area: files; }
  .mod-log      { grid-area: log; }
  .heater-grid  { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .chart-wrap   { height: 260px; }
}

/* Desktop: the instrument panel — optics left, telemetry right. */
@media (min-width: 1120px) {
  .deck {
    grid-template-columns: minmax(0, 1.28fr) minmax(0, 1fr);
    grid-template-areas:
      "camera  thermal"
      "camera  chart"
      "motion  extruder"
      "tune    maint"
      "files   log";
  }
  /* The optics column spans two telemetry rows; let the viewfinder absorb
     the extra height instead of leaving a blank band under the job block. */
  .mod-camera  { align-self: stretch; }
  .mod-camera .viewfinder { flex: 1 1 auto; aspect-ratio: auto; min-height: 420px; }
  .heater-grid { grid-template-columns: minmax(0, 1fr); }
}

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