/* TeHyBug web UI v2 — mobile-first styles.
   No framework on purpose: a phone on a flaky link should not download
   Bootstrap to flip a switch. Everything below is plain CSS on custom
   properties, with a dark palette that follows the system setting. */

:root {
  color-scheme: light dark;
  --bg: #eef1f4;
  --surface: #ffffff;
  --surface-2: #f4f6f8;
  --text: #182029;
  --muted: #5d6b79;
  --border: #dde3e9;
  --border-strong: #c5ced8;
  /* the greens and reds are chosen for 4.5:1 on white and on their soft tints */
  --primary: #0f7a58;
  --primary-hover: #0c6449;
  --primary-ink: #ffffff;
  --primary-soft: #dff3ea;
  --danger: #b0301f;
  --danger-ink: #ffffff;
  --danger-soft: #fbe6e3;
  --warn: #9a5b00;
  --warn-ink: #ffffff;
  --warn-soft: #fff1d6;
  --info: #2b5fa8;
  --info-soft: #e3edfa;
  --ok: #0f7a58;
  --ok-soft: #dff3ea;
  --log-bg: #0f151b;
  --log-ink: #cfe6d8;
  --radius: 14px;
  --nav-w: 264px;
  --bar-h: 56px;
  --savebar-h: 0px;
  --shadow: 0 1px 2px rgba(15, 23, 32, .05), 0 6px 18px rgba(15, 23, 32, .05);
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0d1218;
    --surface: #161c23;
    --surface-2: #1d252e;
    --text: #e7ecf1;
    --muted: #9aa7b4;
    --border: #28323c;
    --border-strong: #3a4652;
    --primary: #31c48d;
    --primary-hover: #45d19c;
    --primary-ink: #052419;
    --primary-soft: #12352a;
    --danger: #f0776b;
    --danger-ink: #2a0a07;  /* the dark tints are light, so their ink is dark */
    --danger-soft: #3a1d1a;
    --warn: #f2b653;
    --warn-ink: #1f1400;
    --warn-soft: #3a2d12;
    --info: #7fb0ff;
    --info-soft: #152741;
    --ok: #31c48d;
    --ok-soft: #12352a;
    --shadow: none;
  }
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font: 16px/1.5 system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
}
a { color: var(--primary); }
h1, h2, h3, h4 { line-height: 1.25; margin: 0 0 .5em; font-weight: 700; }
h1 { font-size: 1.5rem; }
h2 { font-size: 1.1rem; }
h3 { font-size: 1rem; }
p { margin: 0 0 .8em; }
p:last-child, ul:last-child, ol:last-child { margin-bottom: 0; }
ul, ol { padding-left: 1.3em; margin: 0 0 .8em; }
li { margin-bottom: .25em; }
code, pre {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: .9em;
}
code {
  background: var(--surface-2);
  border: 1px solid var(--border);
  padding: 1px 6px;
  border-radius: 6px;
  word-break: break-all;
}
pre {
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 10px 12px;
  overflow: auto;
  white-space: pre-wrap;
  word-break: break-word;
}
hr { border: 0; border-top: 1px solid var(--border); margin: 16px 0; }
[hidden] { display: none !important; }
.hint { color: var(--muted); font-size: .86rem; line-height: 1.4; }
.hint code { font-size: .85em; }
.muted { color: var(--muted); }
.small { font-size: .9rem; }
.mt { margin-top: 12px; }
.mb0 { margin-bottom: 0; }
.right { text-align: right; }
.nowrap { white-space: nowrap; }
.row { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; }
.spacer { flex: 1; }

/* Icons: inline SVG, currentColor, feather-style */
.i {
  width: 1.2em;
  height: 1.2em;
  vertical-align: -.25em;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
  flex: none;
}

/* ---------- App shell ---------- */
/* The device's own page wraps everything in #page and styles it as a narrow
   centred card for the moment before this bundle arrives; the app takes the
   whole viewport, so undo that here (same ID specificity, later in the
   cascade). Firmware in the field keeps serving the old rule, so this must stay. */
#page { max-width: none !important; margin: 0 !important; padding: 0 !important; } /* !important: one firmware build put the padding inline */
.app { min-height: 100vh; }
/* while a sheet or the drawer is open the page behind must not scroll (iOS
   ignores overflow:hidden on the document, so the body is pinned instead) */
body.locked { position: fixed; left: 0; right: 0; overflow: hidden; }
.topbar {
  position: sticky;
  top: 0;
  z-index: 30;
  height: var(--bar-h);
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 0 12px;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
}
.brand { font-weight: 800; letter-spacing: -.01em; font-size: 1.1rem; color: var(--primary); }
.brand-sub { font-weight: 500; color: var(--muted); font-size: .85rem; margin-left: 6px; }
.icon-btn {
  appearance: none;
  border: 0;
  background: transparent;
  color: inherit;
  width: 40px;
  height: 40px;
  border-radius: 10px;
  display: inline-grid;
  place-items: center;
  cursor: pointer;
  padding: 0;
}
.icon-btn:hover { background: var(--surface-2); }
.icon-btn .i { width: 1.4em; height: 1.4em; }

.pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  border-radius: 999px;
  font-size: .8rem;
  font-weight: 600;
  white-space: nowrap;
}
.pill.on { background: var(--ok-soft); color: var(--ok); }
.pill.off { background: var(--danger-soft); color: var(--danger); }
.pill.neutral { background: var(--surface-2); color: var(--muted); }

.nav {
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  width: var(--nav-w);
  max-width: 85vw;
  background: var(--surface);
  border-right: 1px solid var(--border);
  transform: translateX(-102%);
  /* hidden, not just off-screen: a closed drawer must not stay in the tab order */
  visibility: hidden;
  transition: transform .22s ease, visibility 0s .22s;
  overscroll-behavior: contain;
  z-index: 40;
  overflow-y: auto;
  padding: 8px 10px calc(16px + env(safe-area-inset-bottom));
  display: flex;
  flex-direction: column;
}
.nav.open { transform: none; visibility: visible; transition: transform .22s ease; box-shadow: 0 0 40px rgba(0, 0, 0, .35); }
.nav-head { display: flex; align-items: center; height: var(--bar-h); padding: 0 6px; }
.nav-group { margin-top: 10px; }
.nav-title {
  font-size: .72rem;
  text-transform: uppercase;
  letter-spacing: .08em;
  color: var(--muted);
  padding: 8px 12px 4px;
  font-weight: 700;
}
.nav a {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 11px 12px;
  border-radius: 10px;
  color: var(--text);
  text-decoration: none;
  font-weight: 500;
  min-height: 44px;
}
.nav a .i { color: var(--muted); width: 1.3em; height: 1.3em; }
.nav a:hover { background: var(--surface-2); }
.nav a.active { background: var(--primary-soft); color: var(--primary); font-weight: 700; }
.nav a.active .i { color: var(--primary); }
.nav a .ext { margin-left: auto; width: .9em; height: .9em; }
.nav-foot { margin-top: auto; padding: 12px 12px 0; }
.scrim {
  position: fixed;
  inset: 0;
  background: rgba(8, 12, 16, .5);
  z-index: 35;
  opacity: 0;
  pointer-events: none;
  transition: opacity .2s;
}
.scrim.open { opacity: 1; pointer-events: auto; }

.main {
  padding: 16px 16px calc(28px + var(--savebar-h) + env(safe-area-inset-bottom));
  max-width: 1080px;
}
.pagehead { margin: 4px 0 14px; }
.pagehead h1 { margin: 0; }
.pagehead .sub { color: var(--muted); margin: 4px 0 0; }
.demo-banner {
  background: var(--warn-soft);
  color: var(--warn);
  font-weight: 600;
  font-size: .85rem;
  text-align: center;
  padding: 6px 12px;
}

@media (min-width: 900px) {
  .nav { transform: none; visibility: visible; transition: none; top: var(--bar-h); box-shadow: none; }
  .nav-head { display: none; }
  .menu-btn { display: none; }
  .scrim { display: none !important; }
  .main { margin-left: var(--nav-w); padding-left: 28px; padding-right: 28px; }
  .savebar { left: var(--nav-w); }
}

/* ---------- Cards & layout ---------- */
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px;
  margin-bottom: 14px;
  box-shadow: var(--shadow);
}
.card-head {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 12px;
}
.card-head h2 { margin: 0; display: flex; align-items: center; gap: 8px; }
.card-head h2 .i { color: var(--primary); }
.card-head .actions { margin-left: auto; display: flex; gap: 8px; align-items: center; }
.card.tight { padding: 12px 16px; }
.grid-2 { display: grid; gap: 14px; grid-template-columns: 1fr; }
.grid-3 { display: grid; gap: 14px; grid-template-columns: 1fr; }
.grid-2 > .card, .grid-3 > .card { margin-bottom: 0; }
.grid-2, .grid-3 { margin-bottom: 14px; }
@media (min-width: 720px) {
  .grid-2 { grid-template-columns: 1fr 1fr; }
  .grid-3 { grid-template-columns: 1fr 1fr; }
}
@media (min-width: 1100px) {
  .grid-3 { grid-template-columns: 1fr 1fr 1fr; }
}
.eyebrow {
  font-size: .78rem;
  text-transform: uppercase;
  letter-spacing: .06em;
  color: var(--muted);
  font-weight: 700;
}

/* ---------- Notes (alerts) ---------- */
.note {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  border-radius: 12px;
  padding: 12px 14px;
  font-size: .92rem;
  border: 1px solid transparent;
  margin: 0 0 12px;
}
.note > .i { margin-top: .15em; }
.note > div { flex: 1; min-width: 0; }
.note-info { background: var(--info-soft); color: var(--info); border-color: transparent; }
.note-warn { background: var(--warn-soft); color: var(--warn); }
.note-danger { background: var(--danger-soft); color: var(--danger); }
.note-ok { background: var(--ok-soft); color: var(--ok); }
.note a { color: inherit; font-weight: 600; }
.note code { background: rgba(255, 255, 255, .5); border-color: transparent; color: var(--text); }
@media (prefers-color-scheme: dark) { .note code { background: rgba(0, 0, 0, .3); } }

/* ---------- Forms ---------- */
.field { margin-bottom: 14px; }
.field:last-child { margin-bottom: 0; }
.field > label {
  display: block;
  font-weight: 600;
  font-size: .92rem;
  margin-bottom: 6px;
}
.field > label .hint { font-weight: 400; }
.field input:not([type="checkbox"]):not([type="radio"]),
.field select,
.field textarea {
  width: 100%;
  min-height: 44px;
  padding: 10px 12px;
  font: inherit;
  color: inherit;
  background: var(--surface-2);
  border: 1px solid var(--border-strong);
  border-radius: 10px;
  outline: none;
}
.field input:focus, .field select:focus, .field textarea:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-soft);
}
.field input[type="time"] { min-width: 0; }
.field select {
  appearance: none;
  -webkit-appearance: none;
  padding-right: 36px;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%237a8794' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'><polyline points='6 9 12 15 18 9'/></svg>");
  background-repeat: no-repeat;
  background-position: right 12px center;
}
.field .hint { margin-top: 6px; }
.field .with-btn { position: relative; }
.field .with-btn input { padding-right: 46px; }
.field-btn {
  position: absolute;
  right: 4px;
  top: 50%;
  transform: translateY(-50%);
}
.field.invalid input, .field.invalid select { border-color: var(--danger); }
.field-error { color: var(--danger); font-weight: 600; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.fields-inline { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; align-items: end; }
.fields-inline .field { margin-bottom: 0; }
.mt-s { margin-top: 8px; }

/* Interval presets: "= 15 min" and a row of chips under the number */
.presets { display: flex; flex-wrap: wrap; gap: 6px; align-items: center; margin-top: 8px; }
.presets .echo { margin: 0 4px 0 0; }
.presets .chip { padding: 3px 10px; min-height: 28px; font-size: .82rem; }

/* A rule written as a sentence: "When [reading] [is above] [30] °C" */
.sentence { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; margin-bottom: 10px; }
.sentence .word { font-weight: 600; }
.sentence .now { flex-basis: 100%; margin-top: -2px; }
.field.field-inline { margin: 0; display: inline-flex; align-items: center; gap: 6px; flex-wrap: wrap; }
.field.field-inline select { width: auto; max-width: 100%; }
.field.field-inline.value input { width: 96px; }
.field.field-inline .unit { font-weight: 600; color: var(--muted); }
.field.field-inline .field-error { flex-basis: 100%; margin: 0; }

/* Go-live checklist */
.checklist { list-style: none; margin: 0 0 4px; padding: 0; }
.checklist li { display: flex; gap: 10px; align-items: flex-start; padding: 6px 0; border-top: 1px solid var(--border); }
.checklist li:first-child { border-top: 0; }
.checklist li .i { flex: none; margin-top: .15em; }
.checklist li.ok .i { color: var(--ok); }
.checklist li.warn .i { color: var(--warn); }
.checklist li.warn { font-weight: 600; }

/* Switch */
.switch {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 10px 0;
  cursor: pointer;
  border-top: 1px solid var(--border);
}
.switch:first-child, .card-head + .switch, .hint + .switch, p + .switch { border-top: 0; }
.switch input {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
}
.switch .sw {
  flex: none;
  width: 46px;
  height: 28px;
  border-radius: 14px;
  background: var(--border-strong);
  position: relative;
  transition: background .15s;
  margin-top: 1px;
}
.switch .sw::after {
  content: "";
  position: absolute;
  top: 3px;
  left: 3px;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: #fff;
  box-shadow: 0 1px 3px rgba(0, 0, 0, .3);
  transition: transform .15s;
}
.switch input:checked + .sw { background: var(--primary); }
.switch input:checked + .sw::after { transform: translateX(18px); }
.switch input:focus-visible + .sw { outline: 2px solid var(--primary); outline-offset: 2px; }
.switch input:disabled + .sw { opacity: .45; }
.switch .sw-text { flex: 1; min-width: 0; }
.switch .sw-label { font-weight: 600; display: block; }
.switch .hint { display: block; margin-top: 2px; }
.switch.big .sw-label { font-size: 1.05rem; }

/* Choice (radio cards) */
.choice {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  padding: 12px 14px;
  border: 1px solid var(--border-strong);
  border-radius: 12px;
  margin-bottom: 8px;
  cursor: pointer;
  background: var(--surface);
}
.choice input {
  accent-color: var(--primary);
  width: 20px;
  height: 20px;
  margin: 2px 0 0;
  flex: none;
}
.choice.selected { border-color: var(--primary); background: var(--primary-soft); }
.choice .choice-label { font-weight: 600; display: block; }
.choice .hint { display: block; margin-top: 2px; }
.choice.selected .hint { color: inherit; opacity: .8; }
.choice.disabled { opacity: .5; cursor: not-allowed; }

/* Buttons */
.btn {
  appearance: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 44px;
  padding: 0 18px;
  border-radius: 12px;
  border: 1px solid var(--border-strong);
  background: var(--surface);
  color: inherit;
  font: inherit;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
  white-space: nowrap;
}
.btn:hover { background: var(--surface-2); }
.btn:disabled { opacity: .5; cursor: not-allowed; }
.btn-primary { background: var(--primary); border-color: transparent; color: var(--primary-ink); }
.btn-primary:hover { background: var(--primary-hover); }
.btn-danger { background: var(--danger); border-color: transparent; color: var(--danger-ink); }
.btn-danger:hover { filter: brightness(.95); }
.btn-ghost { border-color: transparent; background: transparent; }
.btn-sm { min-height: 36px; padding: 0 12px; font-size: .9rem; border-radius: 10px; }
.btn-block { width: 100%; }
.btn .i { width: 1.15em; height: 1.15em; }

/* Segmented control */
.seg {
  display: inline-flex;
  border: 1px solid var(--border-strong);
  border-radius: 10px;
  overflow: hidden;
  background: var(--surface);
}
.seg button {
  appearance: none;
  border: 0;
  background: transparent;
  padding: 6px 12px;
  min-height: 34px;
  font: inherit;
  font-size: .88rem;
  font-weight: 600;
  color: var(--muted);
  cursor: pointer;
}
.seg button.on { background: var(--primary); color: var(--primary-ink); }

/* Chips */
.chips { display: flex; flex-wrap: wrap; gap: 6px; }
.chip {
  appearance: none;
  border: 1px solid var(--border-strong);
  background: var(--surface);
  color: inherit;
  border-radius: 999px;
  padding: 5px 11px;
  font: inherit;
  font-size: .85rem;
  cursor: pointer;
  min-height: 32px;
}
.chip:hover { border-color: var(--primary); color: var(--primary); }
.chip code { background: transparent; border: 0; padding: 0; }

/* Weekday pills */
.weekdays { display: flex; gap: 4px; }
.weekdays label {
  flex: 1;
  text-align: center;
  padding: 9px 0;
  border: 1px solid var(--border-strong);
  border-radius: 8px;
  font-size: .82rem;
  font-weight: 600;
  cursor: pointer;
  color: var(--muted);
  user-select: none;
}
.weekdays input { position: absolute; opacity: 0; width: 0; height: 0; }
.weekdays label.on { background: var(--primary); border-color: transparent; color: var(--primary-ink); }
.weekdays label:focus-within { outline: 2px solid var(--primary); outline-offset: 2px; }

/* Save bar */
.savebar {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 25;
  background: var(--surface);
  border-top: 1px solid var(--border);
  padding: 10px 16px calc(10px + env(safe-area-inset-bottom));
  display: flex;
  align-items: center;
  gap: 12px;
}
.savebar .save-status { flex: 1; color: var(--muted); font-size: .9rem; min-width: 0; }
.savebar .save-status.dirty { color: var(--warn); font-weight: 600; }
.savebar .save-status.blocked { color: var(--danger); font-weight: 600; }
.savebar .btn { min-width: 120px; }

/* Toasts */
.toasts {
  position: fixed;
  left: 0;
  right: 0;
  bottom: calc(16px + var(--savebar-h) + env(safe-area-inset-bottom));
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  z-index: 70;
  pointer-events: none;
  padding: 0 16px;
}
.toast {
  background: #1b232c;
  color: #fff;
  padding: 10px 16px;
  border-radius: 12px;
  font-weight: 600;
  font-size: .92rem;
  box-shadow: 0 6px 24px rgba(0, 0, 0, .3);
  display: flex;
  gap: 8px;
  align-items: center;
  max-width: 520px;
  animation: toast-in .2s ease;
}
.toast.warn { background: var(--warn); color: var(--warn-ink); }
.toast.danger { background: var(--danger); color: var(--danger-ink); }
@keyframes toast-in { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: none; } }

/* Dialogs: bottom sheet on phones, centred on wider screens */
.overlay {
  position: fixed;
  inset: 0;
  background: rgba(8, 12, 16, .55);
  display: flex;
  align-items: flex-end;
  justify-content: center;
  z-index: 60;
  animation: fade-in .15s ease;
}
@keyframes fade-in { from { opacity: 0; } to { opacity: 1; } }
.dialog {
  background: var(--surface);
  color: var(--text);
  width: 100%;
  max-width: 560px;
  max-height: 92%; /* of the overlay, which iOS sizes to the visible area — 92vh could overflow it */
  overflow: auto;
  overscroll-behavior: contain;
  border-radius: 20px 20px 0 0;
  padding: 20px 20px calc(20px + env(safe-area-inset-bottom));
  animation: sheet-in .2s ease;
}
@keyframes sheet-in { from { transform: translateY(24px); } to { transform: none; } }
.dialog h2 { margin-bottom: 10px; }
.dialog .dialog-buttons {
  display: flex;
  gap: 10px;
  margin-top: 18px;
  flex-wrap: wrap;
}
.dialog .dialog-buttons .btn { flex: 1; }
@media (min-width: 640px) {
  .overlay { align-items: center; }
  .dialog { border-radius: 20px; padding-bottom: 20px; }
  .dialog .dialog-buttons { justify-content: flex-end; }
  .dialog .dialog-buttons .btn { flex: 0 0 auto; min-width: 120px; }
}
.restart { text-align: center; padding: 8px 0; }
.spinner {
  width: 40px;
  height: 40px;
  margin: 8px auto 14px;
  border: 4px solid var(--border);
  border-top-color: var(--primary);
  border-radius: 50%;
  animation: spin .9s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ---------- Dashboard ---------- */
.status-mode {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-weight: 700;
  font-size: 1.05rem;
  margin: 4px 0 12px;
}
.status-mode.live { color: var(--ok); }
.status-mode.setup { color: var(--info); }
.kv-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px 16px;
}
@media (min-width: 560px) { .kv-grid { grid-template-columns: 1fr 1fr; } }
.kv-grid > div { min-width: 0; }
.kv-grid .k { font-size: .78rem; color: var(--muted); font-weight: 600; text-transform: uppercase; letter-spacing: .05em; }
.kv-grid .v { font-weight: 600; word-break: break-word; display: flex; align-items: center; gap: 6px; flex-wrap: wrap; }
.kv-grid .v .hint { font-weight: 400; }
.kv-grid .icon-btn { width: 30px; height: 30px; }

.kv { display: grid; grid-template-columns: max-content 1fr; gap: 6px 14px; font-size: .92rem; }
.kv dt { color: var(--muted); }
.kv dd { margin: 0; word-break: break-word; }

.readings {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: 10px;
}
.reading {
  background: var(--surface-2);
  border-radius: 12px;
  padding: 12px;
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.reading .n { font-size: .8rem; color: var(--muted); display: flex; gap: 6px; align-items: center; }
.reading .n .i { width: 1em; height: 1em; }
.reading .v { font-size: 1.55rem; font-weight: 800; letter-spacing: -.02em; line-height: 1.1; }
.reading .v .u { font-size: .85rem; font-weight: 600; color: var(--muted); margin-left: 4px; letter-spacing: 0; }
.reading .v.text { font-size: 1.05rem; }
.empty {
  color: var(--muted);
  text-align: center;
  padding: 18px 8px;
  border: 1px dashed var(--border-strong);
  border-radius: 12px;
}

.steps { margin: 0; padding: 0; list-style: none; }
.step {
  display: flex;
  gap: 12px;
  padding: 12px 0;
  border-top: 1px solid var(--border);
  align-items: flex-start;
}
.step:first-child { border-top: 0; padding-top: 4px; }
.step .num {
  flex: none;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--surface-2);
  color: var(--muted);
  display: grid;
  place-items: center;
  font-weight: 700;
  border: 1px solid var(--border-strong);
}
.step.done .num { background: var(--primary); color: var(--primary-ink); border-color: transparent; }
.step .body { flex: 1; min-width: 0; }
.step .title { font-weight: 700; }
.step .text { color: var(--muted); font-size: .9rem; }
.step .act { flex: none; }
@media (max-width: 480px) {
  .step { flex-wrap: wrap; }
  .step .act { width: 100%; padding-left: 44px; }
}

.log {
  font: 12px/1.45 ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  background: var(--log-bg);
  color: var(--log-ink);
  border-radius: 12px;
  padding: 10px 12px;
  height: 240px;
  overflow: auto;
  white-space: pre-wrap;
  word-break: break-word;
}
.log .t { color: #7f95a5; }
.log .f { color: #8fd3b0; }

/* Tables */
.table-wrap { overflow-x: auto; -webkit-overflow-scrolling: touch; }
.table { width: 100%; border-collapse: collapse; font-size: .92rem; }
.table th, .table td {
  text-align: left;
  padding: 8px 8px;
  border-bottom: 1px solid var(--border);
  vertical-align: top;
}
.table th { color: var(--muted); font-size: .8rem; text-transform: uppercase; letter-spacing: .04em; }
.table tr:last-child td { border-bottom: 0; }
.table td.num { text-align: right; white-space: nowrap; }

/* Disclosure */
details.disclosure { border-top: 1px solid var(--border); margin-top: 12px; }
details.disclosure summary {
  cursor: pointer;
  font-weight: 600;
  padding: 10px 0;
  list-style: none;
  display: flex;
  align-items: center;
  gap: 8px;
  min-height: 44px;
}
details.disclosure summary::-webkit-details-marker { display: none; }
details.disclosure summary .i { transition: transform .15s; color: var(--muted); }
details.disclosure[open] summary .i { transform: rotate(90deg); }
details.disclosure .disclosure-body { padding: 0 0 12px; }
details.disclosure.faq { margin-top: 0; }
details.disclosure.faq:first-of-type { border-top: 0; }

/* Progress */
.progress { height: 10px; background: var(--surface-2); border-radius: 5px; overflow: hidden; border: 1px solid var(--border); }
.progress > div { height: 100%; background: var(--primary); width: 0; transition: width .2s; }

/* File pick */
.filepick {
  display: flex;
  gap: 10px;
  align-items: center;
  flex-wrap: wrap;
  padding: 14px;
  border: 1px dashed var(--border-strong);
  border-radius: 12px;
  background: var(--surface-2);
}
/* visually hidden, not display:none — it has to stay reachable by keyboard */
.filepick input[type="file"] { position: absolute; width: 1px; height: 1px; opacity: 0; overflow: hidden; clip: rect(0 0 0 0); }
.filepick input[type="file"]:focus-visible + label { outline: 2px solid var(--primary); outline-offset: 2px; }
.filepick .fname { flex-basis: 100%; min-width: 0; display: flex; flex-wrap: wrap; gap: 6px 8px; align-items: center; }
.filepick .fname strong { overflow-wrap: anywhere; }
.filepick .badge { white-space: nowrap; }
.table code { white-space: nowrap; }

/* Placeholder reference */
.ph-list { display: grid; grid-template-columns: 1fr; gap: 6px 14px; font-size: .92rem; }
@media (min-width: 640px) { .ph-list { grid-template-columns: 1fr 1fr; } }
.ph-list > div { display: flex; gap: 8px; align-items: baseline; }
.ph-list code { flex: none; }
.ph-list .u { color: var(--muted); margin-left: auto; font-size: .85rem; }

/* LED colour mentions: the dot is the LED's real colour, not a theme tint,
   so "red" is red in light and dark mode alike */
.led {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 2px 8px 2px 6px;
  border-radius: 999px;
  font-size: .82rem;
  font-weight: 700;
  background: var(--surface-2);
  border: 1px solid var(--border);
  white-space: nowrap;
}
.led::before {
  content: "";
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--led, #888);
  box-shadow: 0 0 0 2px var(--surface), 0 0 6px var(--led, #888);
}
.led-blue { --led: #2f7cf6; }
.led-red { --led: #e0362b; }
.led-purple { --led: #a04ee6; }
.led-off { --led: #3a4652; }

/* Live/setup badge */
.badge {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 6px;
  font-size: .78rem;
  font-weight: 700;
  background: var(--surface-2);
  color: var(--muted);
}
.badge.ok { background: var(--ok-soft); color: var(--ok); }
.badge.warn { background: var(--warn-soft); color: var(--warn); }
.badge.info { background: var(--info-soft); color: var(--info); }