/* base.css — reset, app shell layout, and the shared hb-* utility classes.
   Phase 0 establishes the shell (top bar + nav + outlet) and the card/button/pill
   vocabulary the surfaces will reuse. Light DOM + global tokens = simple theming. */

*, *::before, *::after { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font-body);
  font-size: var(--fs-body);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  zoom: var(--ui-scale, 1); /* interface scale (Settings) — bigger UI on large monitors */
}
button { font-family: inherit; }

::-webkit-scrollbar { width: 9px; height: 9px; }
::-webkit-scrollbar-thumb { background: var(--ink-200); border-radius: var(--r-md); }

/* ---------- App shell ---------- */
/* Divide by the scale so the app still fills exactly one viewport (no empty scroll at >1). */
hb-app { display: flex; flex-direction: column; min-height: calc(100vh / var(--ui-scale, 1)); }

.hb-topbar {
  height: 58px;
  flex: none;
  display: flex;
  align-items: center;
  gap: var(--s-4);
  padding: 0 18px;
  background: var(--paper);
  border-bottom: 1px solid var(--border);
}
.hb-brand { display: flex; align-items: center; gap: 10px; }
.hb-logo {
  width: 30px; height: 30px;
  border-radius: 7px;
  background: var(--mark-bg);
  color: var(--brand-orange);
  display: flex; align-items: center; justify-content: center;
}
.hb-logo svg { width: 18px; height: 18px; }
.hb-title { font-family: var(--font-display); font-weight: 700; font-size: 15px; line-height: 1.1; }
.hb-subtitle {
  font-family: var(--font-display); font-weight: 600;
  font-size: 11px; letter-spacing: var(--tracking-eyebrow);
  text-transform: uppercase; color: var(--ink-500);
}
.hb-sep { width: 1px; height: 26px; background: var(--border); }
.hb-spacer { flex: 1; }

/* Connection status pill */
.hb-pill {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 6px 11px;
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  background: var(--paper-warm);
  font-weight: 600; font-size: 12.5px;
}
.hb-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--ink-400); }
.hb-pill[data-link="connected"] .hb-dot { background: var(--success); }
.hb-pill[data-link="connecting"] .hb-dot { background: var(--warning); }
.hb-pill[data-link="disconnected"] .hb-dot { background: var(--ink-400); }
.hb-live { animation: hb-pulse 1.6s var(--ease-in-out) infinite; }
@keyframes hb-pulse { 0%, 100% { opacity: 1; } 50% { opacity: 0.35; } }

.hb-badge {
  font-family: var(--font-mono); font-size: 10.5px;
  padding: 3px 7px; border-radius: var(--r-sm);
  background: var(--brand-orange-soft); color: var(--brand-orange-deep);
}

/* Buttons */
.hb-btn {
  display: inline-flex; align-items: center; gap: 7px;
  padding: 8px 14px;
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  background: var(--paper);
  color: var(--ink-700);
  font-weight: 600; font-size: 13px;
  cursor: pointer;
  transition: transform var(--dur-fast) var(--ease-out), box-shadow var(--dur-fast) var(--ease-out), background var(--dur-fast) var(--ease-out);
}
.hb-btn:hover:not([disabled]) { background: var(--ink-100); box-shadow: var(--shadow-sm); transform: translateY(-1px); }
.hb-btn:active:not([disabled]) { background: var(--ink-150); box-shadow: var(--shadow-xs); transform: translateY(0); }
.hb-btn:focus-visible { outline: none; box-shadow: var(--shadow-focus); }
.hb-btn[disabled] { opacity: 0.5; cursor: not-allowed; transform: none; box-shadow: none; }
.hb-btn svg { width: 16px; height: 16px; }
.hb-btn-primary { background: var(--brand-orange); border-color: var(--brand-orange); color: #fff; }
.hb-btn-primary:hover:not([disabled]) { background: var(--brand-orange-deep); border-color: var(--brand-orange-deep); }
.hb-btn-danger { background: var(--gear-red); border-color: var(--gear-red); color: #fff; }
.hb-btn-danger:hover:not([disabled]) { background: var(--gear-red-deep); border-color: var(--gear-red-deep); }
/* Run = green (go), Step = orange — traffic-light semantics next to the red Stop. */
.hb-btn-run { background: var(--success); border-color: var(--success); color: #fff; }
.hb-btn-run:hover:not([disabled]) { background: var(--success-deep); border-color: var(--success-deep); }
.hb-btn-step { background: var(--brand-orange); border-color: var(--brand-orange); color: #fff; }
.hb-btn-step:hover:not([disabled]) { background: var(--brand-orange-deep); border-color: var(--brand-orange-deep); }
/* Force-stop / panic (top bar). The emphasized safety control: bold + a ring so it reads distinctly
   from the plain-red Disconnect next to it. Flips green on fire ("Stopped ✓"). */
.hb-btn-forcestop { background: var(--gear-red); border-color: var(--gear-red-deep); color: #fff; font-weight: 700; box-shadow: 0 0 0 2px color-mix(in srgb, var(--gear-red) 32%, var(--paper)); }
.hb-btn-forcestop:hover:not([disabled]) { background: var(--gear-red-deep); border-color: var(--gear-red-deep); transform: translateY(-1px); }
.hb-btn-forcestop.is-fired { background: var(--success); border-color: var(--success-deep); box-shadow: 0 0 0 2px color-mix(in srgb, var(--success) 30%, var(--paper)); }
.hb-btn-forcestop svg { width: 16px; height: 16px; }

/* Surface nav — a dropdown (compact, works on any screen; sidebar rail is backlogged) */
/* The chrome (top bar + nav + banners) is a stacking context ABOVE the main outlet, so the nav
   dropdown is never covered by a surface — notably Blockly's toolbox drawer (z:70, in the root
   context) on the Programming surface. Blockly's own field menus live on <body> at z:99999 and
   stay above this, so editing a block field still works. */
[data-chrome] { position: relative; z-index: 100; }
.hb-nav {
  flex: none;
  display: flex; align-items: center;
  padding: 8px 18px;
  background: var(--paper);
  border-bottom: 1px solid var(--border);
  overflow: visible;
}
.hb-navdrop { position: relative; }
.hb-navtrigger {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 8px 12px; min-width: 190px; max-width: 72vw;
  border: 1px solid var(--border); border-radius: var(--r-md);
  background: var(--paper); color: var(--ink-800);
  font-weight: 600; font-size: 13px; cursor: pointer;
  transition: background var(--dur-fast) var(--ease-out);
}
.hb-navtrigger:hover { background: var(--ink-150); }
.hb-navtrigger svg { width: 16px; height: 16px; flex: none; }
.hb-navtrigger-label { flex: 1; text-align: left; }
.hb-navmenu {
  position: absolute; top: calc(100% + 5px); left: 0; z-index: 50;
  min-width: 244px; max-width: 86vw;
  background: var(--paper); border: 1px solid var(--border);
  border-radius: var(--r-lg); box-shadow: var(--shadow-lg);
  padding: 6px; display: flex; flex-direction: column; gap: 2px;
}
.hb-navitem {
  display: flex; align-items: center; gap: 9px;
  padding: 9px 11px; border: none; border-radius: var(--r-md);
  background: none; color: var(--ink-700);
  font-weight: 500; font-size: 13px; cursor: pointer; text-align: left;
  transition: background var(--dur-fast) var(--ease-out);
}
.hb-navitem svg { width: 16px; height: 16px; flex: none; }
.hb-navitem span { flex: 1; }
.hb-navitem:hover:not([disabled]):not(.is-current) { background: var(--ink-150); }
.hb-navitem.is-current { background: var(--brand-orange); color: #fff; }
.hb-navitem[disabled] { opacity: 0.45; cursor: default; }
.hb-chip {
  display: inline-flex; align-items: center; gap: 7px;
  padding: 7px 12px;
  border-radius: var(--r-md);
  border: 1px solid transparent;
  background: none;
  color: var(--ink-600);
  font-weight: 600; font-size: 12.5px;
  cursor: pointer; white-space: nowrap;
  transition: all var(--dur-fast) var(--ease-out);
}
.hb-chip svg { width: 15px; height: 15px; }
.hb-chip:hover:not([disabled]) { background: var(--ink-100); }
.hb-chip[aria-current="true"] { background: var(--brand-orange); color: #fff; }
.hb-chip[disabled] { opacity: 0.45; cursor: default; }
.hb-chip .hb-soon {
  font-family: var(--font-mono); font-size: 9px;
  letter-spacing: var(--tracking-wide); text-transform: uppercase;
  color: var(--ink-400);
}

/* Main outlet */
.hb-main {
  flex: 1; min-height: 0;
  padding: var(--s-8);
  display: flex; justify-content: center; align-items: flex-start;
}

/* Cards */
.hb-card {
  background: var(--paper);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  padding: var(--s-5);
  box-shadow: var(--shadow-sm);  /* lift cards off the page so light mode isn't one flat wash */
}
.hb-card-wide { width: 100%; max-width: 560px; }
.hb-card-hd { display: flex; align-items: center; gap: 11px; margin-bottom: var(--s-4); }
.hb-card-ic {
  width: 34px; height: 34px; flex: none;
  border-radius: 8px; background: var(--ink-100); color: var(--ink-700);
  display: flex; align-items: center; justify-content: center;
}
.hb-card-ic svg { width: 19px; height: 19px; }
.hb-card-title { font-family: var(--font-display); font-weight: 700; font-size: var(--fs-h4); }

.hb-lbl {
  font-family: var(--font-display); font-weight: 600;
  font-size: 11px; letter-spacing: var(--tracking-eyebrow);
  text-transform: uppercase; color: var(--ink-500);
}
.hb-num { font-family: var(--font-mono); font-variant-numeric: tabular-nums; }
.hb-pin { font-family: var(--font-mono); font-size: 11px; color: var(--ink-500); }

/* Key/value identity grid */
.hb-kv { display: grid; grid-template-columns: 120px 1fr; gap: 10px 14px; align-items: baseline; }
.hb-kv dt { color: var(--ink-500); font-size: 12.5px; }
.hb-kv dd { margin: 0; font-family: var(--font-mono); font-size: 13px; color: var(--ink-800); word-break: break-all; }

.hb-empty { color: var(--ink-500); font-size: 14px; line-height: var(--lh-normal); }
.hb-note { margin-top: var(--s-4); color: var(--ink-500); font-size: 12px; }
.hb-err { color: var(--danger); font-size: 13px; margin-top: var(--s-3); }

/* ---------- Landing hero (Robot tab, disconnected) ---------- */
.hb-hero { max-width: 760px; margin: 0 auto; padding: var(--s-12) var(--s-6) var(--s-16); text-align: center; display: flex; flex-direction: column; align-items: center; }
.hb-hero-mark { width: 88px; height: 88px; border-radius: var(--r-2xl); background: var(--mark-bg); color: var(--brand-orange); display: flex; align-items: center; justify-content: center; box-shadow: var(--shadow-md); margin-bottom: var(--s-6); }
.hb-hero-mark svg { width: 46px; height: 46px; }
.hb-hero-title { font-family: var(--font-display); font-weight: 700; font-size: var(--fs-h2); line-height: var(--lh-tight); letter-spacing: var(--tracking-tight); margin: 0 0 var(--s-3); }
.hb-hero-sub { font-size: var(--fs-lg); color: var(--fg-muted); line-height: var(--lh-normal); max-width: 540px; margin: 0 0 var(--s-6); }
.hb-hero-cta { font-size: 15px; padding: 13px 22px; gap: 9px; }
.hb-hero-cta svg { width: 18px; height: 18px; }
.hb-hero-note { font-size: 13px; color: var(--ink-500); margin-top: var(--s-4); max-width: 480px; }
.hb-hero-feats { display: grid; grid-template-columns: repeat(auto-fit, minmax(168px, 1fr)); gap: var(--s-4); margin-top: var(--s-12); width: 100%; }
.hb-feat { background: var(--paper); border: 1px solid var(--border); border-radius: var(--r-lg); padding: var(--s-5) var(--s-4); text-align: left; box-shadow: var(--shadow-sm); transition: transform var(--dur-base) var(--ease-out), box-shadow var(--dur-base) var(--ease-out), border-color var(--dur-base) var(--ease-out); }
.hb-feat:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); border-color: var(--border-strong); }
.hb-feat-ic { width: 36px; height: 36px; border-radius: 9px; background: var(--brand-orange-soft); color: var(--brand-orange-deep); display: flex; align-items: center; justify-content: center; margin-bottom: var(--s-3); }
.hb-feat-ic svg { width: 19px; height: 19px; }
.hb-feat-t { font-weight: 700; font-size: 14px; margin-bottom: 3px; }
.hb-feat-d { font-size: 12.5px; color: var(--ink-500); line-height: 1.5; }
.hb-hero-setup { margin-top: var(--s-4); }

/* "Set up a robot" affordances + the Setup page (flash a new Pico). */
.hb-setup-row { display: flex; margin-bottom: var(--s-2); }
.hb-surface.hb-setup { max-width: 820px; gap: var(--s-4); }
.hb-setup .hb-card-wide { max-width: none; width: 100%; }
.hb-setup-bar { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.hb-setup-dl { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.hb-setup-dl .hb-btn svg { width: 15px; height: 15px; }
.hb-setup-dl-note { font-size: 11.5px; color: var(--ink-500); max-width: 210px; line-height: 1.4; }
.hb-setup-inline-dl { margin: 8px 0 2px; }
.hb-setup-inline-dl .hb-btn svg { width: 15px; height: 15px; }
.hb-setup-shot { margin: 10px 0 4px; max-width: 480px; }
.hb-setup-shot img { display: block; width: 100%; height: auto; border: 1px solid var(--border); border-radius: var(--r-md); }
.hb-setup-shot figcaption { margin-top: 6px; font-size: 12.5px; color: var(--ink-500); }
.hb-setup-shot.wide { max-width: 100%; }
.hb-setup-shot.wide img { border-color: var(--border-strong); }
.hb-setup-hero { display: flex; align-items: flex-start; gap: var(--s-5); }
.hb-setup-hero-mark { width: 56px; height: 56px; flex: none; border-radius: var(--r-xl); background: var(--mark-bg); color: var(--brand-orange); display: flex; align-items: center; justify-content: center; }
.hb-setup-hero-mark svg { width: 30px; height: 30px; }
.hb-setup-title { font-family: var(--font-display); font-weight: 700; font-size: var(--fs-h3); margin: 0 0 6px; }
.hb-setup-sub { color: var(--fg-muted); font-size: var(--fs-lg); line-height: var(--lh-normal); margin: 0 0 14px; max-width: 60ch; }
.hb-setup-pills { display: flex; flex-wrap: wrap; gap: 8px; }
.hb-setup-pill { background: var(--bg-sunken); border: 1px solid var(--border); border-radius: var(--r-pill); padding: 4px 11px; font-size: 12px; font-weight: 600; color: var(--ink-600); }
.hb-setup-need h2 { margin: 0 0 8px; }
.hb-setup-ul, .hb-setup-ol { margin: 8px 0 0; padding-left: 20px; line-height: 1.7; }
.hb-setup-ul li, .hb-setup-ol li { margin: 7px 0; }
.hb-setup-step-h { display: flex; align-items: center; gap: 12px; margin-bottom: 4px; }
.hb-setup-num { flex: none; width: 32px; height: 32px; border-radius: 50%; background: var(--brand-orange); color: #fff; display: flex; align-items: center; justify-content: center; font-family: var(--font-display); font-weight: 800; }
.hb-setup-step-t { margin: 0; font-family: var(--font-display); font-weight: 700; font-size: var(--fs-h4); }
.hb-setup-lead { color: var(--ink-600); margin: 0 0 6px 44px; font-size: 14px; line-height: 1.5; }
.hb-setup-step .hb-setup-ol, .hb-setup-step .hb-setup-files, .hb-setup-step .hb-setup-note { margin-left: 44px; }
.hb-setup-files { background: var(--mark-bg); border-radius: var(--r-md); padding: 14px 16px; color: #e8edf2; font-family: var(--font-mono); font-size: 12.5px; line-height: 1.8; margin-top: 12px; }
.hb-setup-files-cap { color: #8a93a0; display: block; font-size: 11.5px; }
.hb-setup-files-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(130px, 1fr)); gap: 0 16px; }
.hb-setup-fdir { color: var(--brand-orange); }
.hb-setup-note { border-left: 4px solid; border-radius: 0 var(--r-md) var(--r-md) 0; padding: 11px 15px; font-size: 13.5px; line-height: 1.5; margin-top: 12px; }
.hb-setup-note.tip { background: var(--brand-orange-wash); border-color: var(--brand-orange); }
.hb-setup-note.warn { background: color-mix(in srgb, var(--danger) 8%, var(--paper)); border-color: var(--danger); }
.hb-setup-ol code, .hb-setup-lead code, .hb-setup-note code, .hb-setup-sub code { font-family: var(--font-mono); font-size: .9em; background: var(--ink-100); padding: 1px 5px; border-radius: var(--r-xs); color: var(--brand-orange-deep); }
.hb-setup-done { background: linear-gradient(135deg, #163a26, #1f5236); color: #eafff2; border-color: transparent; }
.hb-setup-done h3 { margin: 0 0 8px; font-size: var(--fs-h4); color: #fff; display: flex; align-items: center; gap: 10px; }
.hb-setup-done h3 svg { width: 22px; height: 22px; }
.hb-setup-done p { margin: 8px 0; color: #cdeedd; line-height: 1.6; }
.hb-setup-done strong { color: #fff; }
.hb-setup-name { display: inline-block; background: #0f1218; color: var(--brand-orange); font-weight: 700; border-radius: 7px; padding: 2px 10px; font-family: var(--font-mono); }
@media (max-width: 560px) { .hb-setup-lead, .hb-setup-step .hb-setup-ol, .hb-setup-step .hb-setup-files, .hb-setup-step .hb-setup-note { margin-left: 0; } }

/* ---------- Info badge (ⓘ — fixed, bottom-right, persists system-wide) ---------- */
hb-info { position: fixed; right: 16px; bottom: 16px; z-index: 200; }
.hb-info-btn { width: 38px; height: 38px; border-radius: 50%; border: 1px solid var(--border); background: var(--paper); color: var(--ink-500); display: flex; align-items: center; justify-content: center; cursor: pointer; box-shadow: var(--shadow-md); transition: color var(--dur-fast) var(--ease-out), transform var(--dur-fast) var(--ease-out), box-shadow var(--dur-fast) var(--ease-out); }
.hb-info-btn svg { width: 19px; height: 19px; }
.hb-info-btn:hover { color: var(--brand-orange-deep); transform: translateY(-2px); box-shadow: var(--shadow-lg); }
.hb-info-btn:focus-visible { outline: none; box-shadow: var(--shadow-focus); }
.hb-info-pop { position: absolute; right: 0; bottom: calc(100% + 10px); width: 322px; max-width: calc(100vw - 32px); background: var(--paper); border: 1px solid var(--border); border-radius: var(--r-xl); box-shadow: var(--shadow-lg); padding: var(--s-4); }
.hb-info-pop-hd { display: flex; align-items: center; gap: 10px; margin-bottom: var(--s-3); }
.hb-info-logo { width: 34px; height: 34px; flex: none; border-radius: 8px; background: var(--mark-bg); color: var(--brand-orange); display: flex; align-items: center; justify-content: center; }
.hb-info-logo svg { width: 20px; height: 20px; }
.hb-info-name { font-family: var(--font-display); font-weight: 700; font-size: 15px; line-height: 1.1; }
.hb-info-tag { font-family: var(--font-display); font-weight: 600; font-size: 10.5px; letter-spacing: var(--tracking-eyebrow); text-transform: uppercase; color: var(--ink-500); }
.hb-info-x { margin-left: auto; border: none; background: none; cursor: pointer; color: var(--ink-400); padding: 2px; line-height: 0; align-self: flex-start; }
.hb-info-x svg { width: 17px; height: 17px; }
.hb-info-x:hover { color: var(--ink-700); }
.hb-info-desc { margin: 0 0 var(--s-3); font-size: 13px; line-height: 1.55; color: var(--ink-700); }
.hb-info-kv { display: grid; grid-template-columns: auto 1fr; gap: 5px 14px; margin: 0 0 var(--s-3); padding: var(--s-3) 0; border-top: 1px solid var(--divider); border-bottom: 1px solid var(--divider); }
.hb-info-kv dt { color: var(--ink-500); font-size: 12px; }
.hb-info-kv dd { margin: 0; font-family: var(--font-mono); font-size: 12.5px; color: var(--ink-800); }
.hb-info-foot { font-size: 11.5px; color: var(--ink-500); line-height: 1.5; }

/* ---------- Surfaces & descriptor-driven control cards (Phase 2) ---------- */
[hidden] { display: none !important; }
.hb-errbar { padding: 8px 18px; background: var(--brand-orange-wash); color: var(--danger); font-size: 13px; border-bottom: 1px solid var(--border); }

/* Notification banners (P9) — update / announcement / maintenance / error. */
.hb-notif { display: flex; align-items: center; gap: 10px; padding: 8px 18px; font-size: 13px; border-bottom: 1px solid var(--border); }
.hb-notif-kind { font-size: 10px; font-weight: 700; text-transform: uppercase; letter-spacing: .04em; padding: 2px 8px; border-radius: 999px; color: #fff; }
.hb-notif-text { flex: 1; }
.hb-notif-x { background: none; border: none; cursor: pointer; color: inherit; opacity: .55; font-size: 14px; line-height: 1; }
.hb-notif-x:hover { opacity: 1; }
.hb-notif-update { background: color-mix(in srgb, var(--gear-blue) 10%, var(--paper)); }
.hb-notif-update .hb-notif-kind { background: var(--gear-blue); }
.hb-notif-announcement { background: var(--brand-orange-wash); }
.hb-notif-announcement .hb-notif-kind { background: var(--brand-orange); }
.hb-notif-maintenance { background: color-mix(in srgb, var(--warning) 14%, var(--paper)); }
.hb-notif-maintenance .hb-notif-kind { background: var(--warning); }
.hb-notif-error { background: color-mix(in srgb, var(--danger) 10%, var(--paper)); }
.hb-notif-error .hb-notif-kind { background: var(--danger); }

.hb-surface { width: 100%; max-width: 1100px; margin: 0 auto; display: flex; flex-direction: column; gap: var(--s-8); }
.hb-group-title { margin: 0 0 var(--s-3); }
.hb-group-hint { margin: -4px 0 var(--s-3); color: var(--ink-500); font-size: 12.5px; }
/* Merged Drive surface: the drivetrain hero + the input/bindings, stacked. */
.hb-drivectl { display: flex; flex-direction: column; gap: var(--s-6); }
/* Surface-hosting custom elements are block containers. (They default to display:inline, which
   shrink-wraps the inner .hb-surface so its width tracks CONTENT — that's the Configure form↔JSON
   width jump.) display:block lets .hb-surface fill to its max-width consistently. */
hb-connect-device, hb-components-config, hb-configure, hb-control-panel, hb-drive-control,
hb-drive, hb-controller, hb-console, hb-programming, hb-settings { display: block; width: 100%; }

/* Merged Components surface: Configure / Monitor tabs over one component set. */
.hb-compcfg-tabs { width: fit-content; margin: 0 auto var(--s-5); }
/* Sample-config menu (Configure toolbar). */
.hb-samples { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 8px; padding: 12px; background: var(--ink-100); border-radius: var(--r-md); }
.hb-samples-hd { grid-column: 1 / -1; font-size: 12.5px; color: var(--ink-600); }
.hb-sample { display: flex; flex-direction: column; gap: 3px; text-align: left; padding: 9px 11px; background: var(--paper); border: 1px solid var(--border); border-radius: var(--r-md); cursor: pointer; }
.hb-sample:hover { border-color: var(--brand-orange); box-shadow: var(--shadow-sm); }
.hb-sample-name { font-weight: 600; font-size: 13px; color: var(--ink-800); }
.hb-sample-desc { font-size: 11.5px; color: var(--ink-500); line-height: 1.35; }

/* Controller diagnostics (Settings) — live raw input. */
.hb-diag-line { margin-bottom: 10px; font-size: 13px; }
.hb-diag-line code { font-family: var(--font-mono); background: var(--ink-100); padding: 1px 6px; border-radius: var(--r-sm); }
.hb-diag-axes { display: flex; flex-direction: column; gap: 5px; margin-bottom: 10px; }
.hb-axis { display: flex; align-items: center; gap: 8px; }
.hb-axis-l { width: 28px; font-family: var(--font-mono); font-size: 11px; color: var(--ink-500); }
.hb-axis-track { position: relative; flex: 1; max-width: 240px; height: 6px; background: var(--ink-100); border-radius: 999px; }
.hb-axis-track::before { content: ""; position: absolute; left: 50%; top: -2px; bottom: -2px; width: 1px; background: var(--border); }
.hb-axis-track > i { position: absolute; top: -2px; width: 10px; height: 10px; border-radius: 50%; background: var(--brand-orange); transform: translateX(-50%); }
.hb-axis-v { width: 38px; text-align: right; font-family: var(--font-mono); font-size: 11px; color: var(--ink-600); }
.hb-diag-btns { display: flex; flex-wrap: wrap; gap: 4px; }
.hb-diag-btn { min-width: 20px; height: 20px; display: inline-flex; align-items: center; justify-content: center; border-radius: 4px; background: var(--ink-100); color: var(--ink-500); font-family: var(--font-mono); font-size: 10px; }
.hb-diag-btn.on { background: var(--brand-orange); color: #fff; }
.hb-diag-keys { display: flex; flex-wrap: wrap; gap: 5px; }

/* On-screen controller buttons (Controller surface) — tap to fire a bound action. */
.hb-screenpad { display: flex; flex-wrap: wrap; gap: 10px; margin: 12px 0; }
.hb-screenbtn { min-width: 64px; min-height: 56px; padding: 8px 18px; border-radius: var(--r-lg); border: 1px solid var(--border); background: var(--paper); color: var(--ink-800); font-weight: 600; font-size: 14px; cursor: pointer; box-shadow: var(--shadow-sm); }
.hb-screenbtn:hover { border-color: var(--brand-orange); }
.hb-screenbtn:active { background: var(--brand-orange); color: #fff; transform: translateY(1px); }

/* On-screen controller display — drive control LEFT, buttons RIGHT (landscape-ergonomic). */
.hb-osc-bar { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; margin-bottom: 18px; }
.hb-osc-body { display: flex; gap: 28px; align-items: flex-start; flex-wrap: wrap; }
.hb-osc-drive { display: flex; flex-direction: column; align-items: center; gap: 14px; flex: 0 0 auto; min-width: 220px; }
.hb-osc-buttons { flex: 1 1 240px; }
.hb-osc-pad { display: grid; grid-template-columns: repeat(auto-fill, minmax(76px, 1fr)); gap: 10px; }
/* Fullscreen (great on a phone in landscape): center the controller, fill the screen. */
.hb-osc:fullscreen { background: var(--paper); padding: 24px; display: flex; flex-direction: column; justify-content: center; }
.hb-osc:fullscreen .hb-osc-body { justify-content: center; gap: 48px; }
.hb-drive-help { margin-top: 18px; font-size: 13px; color: var(--ink-600); }
.hb-drive-help summary { cursor: pointer; color: var(--brand-orange-deep); font-weight: 600; }
.hb-drive-help ul { margin: 8px 0 0; padding-left: 20px; line-height: 1.65; }

/* Record manual control -> program (Controller surface). */
.hb-rec-bar { display: flex; align-items: center; flex-wrap: wrap; gap: 8px; }
.hb-rec-go { color: var(--danger); }
.hb-rec-state { font-size: 12.5px; font-weight: 600; color: var(--danger); }
.hb-rec-state.ok { color: var(--success); }
.hb-rec-py { margin: 10px 0 0; padding: 12px 14px; background: var(--mark-bg); color: #e9e9e9; border-radius: var(--r-md); font-family: var(--font-mono); font-size: 12px; line-height: 1.5; overflow-x: auto; max-height: 260px; }

/* Robot tab event/status log. */
.hb-evlog { list-style: none; margin: 0; padding: 0; max-height: 280px; overflow-y: auto; font-size: 12.5px; }
.hb-ev { padding: 4px 2px; border-bottom: 1px solid var(--ink-100); color: var(--ink-700); font-family: var(--font-mono); }
.hb-ev:last-child { border-bottom: none; }
.hb-ev-t { color: var(--ink-400); margin-right: 8px; }
.hb-ev-ok { color: var(--success); }
.hb-ev-error, .hb-ev-err { color: var(--danger); }
.hb-ev-warn, .hb-ev-warning { color: var(--warning); }
.hb-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: var(--s-4); }

/* Monitor panel: Cards ⇄ Dashboard view toggle. */
.hb-ctrl-tools { display: flex; align-items: center; gap: 10px; margin-bottom: var(--s-4); }

/* Dashboard: a dense grid of compact, glanceable tiles (sensors live, outputs quick-fire). */
.hb-dash { display: grid; grid-template-columns: repeat(auto-fill, minmax(160px, 1fr)); gap: var(--s-3); }
.hb-tile { background: var(--paper); border: 1px solid var(--border); border-radius: var(--r-md); padding: 10px 11px; display: flex; flex-direction: column; gap: 7px; min-height: 76px; box-shadow: var(--shadow-xs); transition: transform var(--dur-fast) var(--ease-out), box-shadow var(--dur-fast) var(--ease-out), border-color var(--dur-fast) var(--ease-out); }
.hb-tile[data-kind="sensor"] { cursor: pointer; }
.hb-tile[data-kind="sensor"]:hover { border-color: var(--brand-orange); box-shadow: var(--shadow-sm); transform: translateY(-1px); }
.hb-tile-hd { display: flex; align-items: baseline; justify-content: space-between; gap: 6px; }
.hb-tile-id { font-weight: 600; font-size: 13px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.hb-tile-type { font-family: var(--font-mono); font-size: 10px; color: var(--ink-500); flex: none; }
.hb-tile-val { display: flex; align-items: center; gap: 7px; min-height: 22px; }
.hb-tile-val.busy { opacity: .6; }
.hb-tile-val.err { color: var(--danger); font-family: var(--font-mono); font-size: 11px; overflow-wrap: anywhere; }
.hb-tile-val.is-live .hb-tile-num { color: var(--brand-orange-deep); }
.hb-tile-num { font-family: var(--font-mono); font-variant-numeric: tabular-nums; font-weight: 700; font-size: 18px; line-height: 1.1; }
.hb-tile-text { font-family: var(--font-mono); font-size: 12px; color: var(--ink-600); overflow-wrap: anywhere; }
.hb-tile-dim { color: var(--ink-400); font-size: 12px; }
.hb-tile-actions { display: flex; flex-wrap: wrap; gap: 5px; }
.hb-tile-actions .hb-btn-sm { padding: 4px 9px; font-size: 11px; }
.hb-tile-res { font-family: var(--font-mono); font-size: 11px; color: var(--ink-500); min-height: 14px; }
.hb-tile-res.ok { color: var(--success); }
.hb-tile-res.err { color: var(--danger); overflow-wrap: anywhere; }
.hb-tile-res.busy { color: var(--ink-400); }

hb-control { display: block; }
.hb-ctrl { background: var(--paper); border: 1px solid var(--border); border-radius: var(--r-lg); padding: var(--s-4); display: flex; flex-direction: column; gap: var(--s-3); box-shadow: var(--shadow-xs); }
.hb-ctrl-hd { display: flex; align-items: center; gap: 9px; }
.hb-ctrl-id { font-weight: 600; font-size: 14px; }
.hb-ctrl-type { font-family: var(--font-mono); font-size: 11px; color: var(--ink-500); background: var(--ink-100); padding: 2px 7px; border-radius: var(--r-sm); }
.hb-ctrl-hd .hb-help-btn { margin-left: auto; width: 26px; height: 26px; padding: 0; justify-content: center; font-weight: 700; }

/* Per-card debug help (the ? toggle) + buzzer tone tools (Monitor). */
.hb-ctrl-help { padding: 10px 12px; background: var(--bg-sunken); border: 1px solid var(--border); border-radius: var(--r-md); font-size: 12.5px; line-height: 1.5; }
.hb-ctrl-help-desc { margin: 0 0 6px; color: var(--ink-700); }
.hb-ctrl-help-dbg { margin: 0 0 6px; color: var(--ink-600); }
.hb-ctrl-help-tip { margin: 0; color: var(--ink-500); font-size: 11.5px; }
.hb-bz { padding: 10px 12px; background: var(--bg-sunken); border: 1px solid var(--border); border-radius: var(--r-md); display: flex; flex-direction: column; gap: 9px; }
.hb-bz-row { display: flex; align-items: center; flex-wrap: wrap; gap: 6px; }
.hb-bz-notes { display: inline-flex; flex-wrap: wrap; gap: 4px; }
.hb-bz-note { min-width: 32px; padding: 5px 7px; justify-content: center; }
.hb-bz-note.sharp { background: var(--ink-800); color: #fff; border-color: var(--ink-800); }
.hb-bz-note.sharp:hover:not([disabled]) { background: var(--ink-900); border-color: var(--ink-900); }
.hb-bz-row select { padding: 5px 8px; border: 1px solid var(--border); border-radius: var(--r-md); font-size: 12.5px; background: var(--paper); color: var(--fg); }
.hb-bz-f { display: inline-flex; flex-direction: column; gap: 2px; font-size: 10.5px; color: var(--ink-500); }
.hb-bz-f input { width: 64px; padding: 4px 6px; border: 1px solid var(--border); border-radius: var(--r-sm); font-family: var(--font-mono); font-size: 12px; background: var(--paper); color: var(--fg); }
.hb-bz-out { font-family: var(--font-mono); font-size: 12px; color: var(--ink-600); margin-left: 4px; }
.hb-bz-out.err { color: var(--danger); }
.hb-bz-hint { margin: 0; font-size: 11px; color: var(--ink-500); line-height: 1.5; }
.hb-bz-hint code { font-family: var(--font-mono); background: var(--ink-100); padding: 1px 4px; border-radius: var(--r-xs); }

.hb-fields { display: flex; flex-direction: column; gap: var(--s-3); }
.hb-field { display: flex; flex-direction: column; gap: 5px; font-size: 12.5px; color: var(--ink-600); }
.hb-field > span { display: flex; justify-content: space-between; gap: 8px; }
.hb-unit { color: var(--ink-400); }
.hb-rangewrap { display: flex; align-items: center; gap: 10px; }
.hb-rangewrap input[type="range"] { flex: 1; accent-color: var(--brand-orange); }
.hb-rangewrap output { min-width: 40px; text-align: right; font-size: 13px; color: var(--ink-700); }
.hb-field input[type="number"], .hb-field input[type="text"], .hb-field select {
  padding: 6px 9px; border: 1px solid var(--border); border-radius: var(--r-md);
  font-family: inherit; font-size: 13px; background: var(--paper); color: var(--fg);
}
.hb-field input[type="color"] { width: 46px; height: 30px; padding: 2px; border: 1px solid var(--border); border-radius: var(--r-md); background: none; cursor: pointer; }

.hb-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 6px; margin-top: 2px; }
.hb-btn-sm { padding: 6px 11px; font-size: 12px; border-radius: var(--r-md); }
.hb-result { font-family: var(--font-mono); font-size: 12px; color: var(--ink-500); margin-left: auto; overflow-wrap: anywhere; }
.hb-result.ok { color: var(--success); }
.hb-result.err { color: var(--danger); }
.hb-result.busy { color: var(--ink-400); }

/* Typed sensor readings (read-view.js): pill / number+gauge / text. */
.hb-reading { display: inline-flex; align-items: center; gap: 8px; color: var(--ink-700); }
.hb-readval { font-family: var(--font-mono); font-variant-numeric: tabular-nums; font-weight: 600; font-size: 13px; }
.hb-readtext { font-family: var(--font-mono); font-size: 12px; color: var(--ink-600); }
.hb-gauge { width: 56px; height: 6px; border-radius: 999px; background: var(--ink-100); overflow: hidden; }
.hb-gauge > i { display: block; height: 100%; border-radius: 999px; background: var(--brand-orange); transition: width 120ms linear; }
.hb-state { font-family: var(--font-body); font-size: 11px; font-weight: 600; letter-spacing: .02em; padding: 2px 9px; border-radius: 999px; text-transform: uppercase; }
.hb-state.on { background: var(--brand-orange-soft); color: var(--brand-orange-deep); }
.hb-state.off { background: var(--ink-100); color: var(--ink-400); }
/* `live` auto-read toggle: a pulsing dot when active. */
.hb-live-btn.is-live { border-color: var(--brand-orange); color: var(--brand-orange-deep); }
.hb-live-btn.is-live::before { content: ""; display: inline-block; width: 7px; height: 7px; margin-right: 5px; vertical-align: middle; border-radius: 50%; background: var(--brand-orange); animation: hb-livepulse 1.1s ease-in-out infinite; }
@keyframes hb-livepulse { 0%, 100% { opacity: 1; } 50% { opacity: .25; } }

/* Health probe (component.diag) status pill + detail. */
.hb-diag.ok { background: color-mix(in srgb, var(--success) 16%, transparent); color: var(--success); }
.hb-diag.no_response { background: color-mix(in srgb, var(--warning) 22%, transparent); color: var(--warning); }
.hb-diag.error { background: color-mix(in srgb, var(--danger) 16%, transparent); color: var(--danger); }
.hb-diag-detail { color: var(--ink-500); font-size: 11px; }

/* Build-warnings banner (PROTOCOL.md Diagnostics) — Control + Configure. */
.hb-warnbar { margin: 0 0 var(--s-4); padding: 10px 14px; border-radius: var(--r-md); background: color-mix(in srgb, var(--danger) 7%, var(--paper)); border: 1px solid color-mix(in srgb, var(--danger) 28%, transparent); }
.hb-warnbar-hd { font-weight: 600; font-size: 13px; color: var(--danger); }
.hb-warnlist { margin: 6px 0 0; padding-left: 18px; font-size: 12.5px; color: var(--ink-700); }
.hb-warnlist li { margin: 2px 0; }
.hb-warnlist code { font-family: var(--font-mono); font-size: 11px; background: var(--ink-100); padding: 1px 5px; border-radius: var(--r-sm); }

/* Multi-field sensor readout (read-view.js classifyFields) — a labeled metric per field. */
.hb-readout { display: flex; flex-wrap: wrap; gap: 7px 16px; margin-top: 9px; padding-top: 9px; border-top: 1px dashed var(--border); }
.hb-mf { display: inline-flex; align-items: center; gap: 6px; }
.hb-mf-k { font-size: 10.5px; color: var(--ink-500); text-transform: uppercase; letter-spacing: .02em; }
.hb-mf-v { font-family: var(--font-mono); font-variant-numeric: tabular-nums; font-weight: 600; font-size: 12.5px; color: var(--ink-700); }
.hb-mf .hb-gauge { width: 40px; }
/* "≈" marks a value converted for display (imperial); hover shows the metric original. */
.hb-conv { color: var(--brand-orange-deep); font-weight: 700; margin-right: 2px; cursor: help; opacity: .75; }

/* ---------- Tabs & segmented toggles ---------- */
/* SECONDARY toggle (Form/JSON, Cards/Dashboard, settings) — a compact inset segmented control:
   a sunken, bordered track with a raised white chip for the active option. */
.hb-segs { display: inline-flex; gap: 3px; background: var(--bg-sunken); padding: 3px; border-radius: var(--r-lg); border: 1px solid var(--border); }
.hb-seg { font-family: var(--font-body); font-weight: 600; font-size: 12.5px; padding: 6px 13px; border-radius: var(--r-md); color: var(--fg-muted); border: none; background: none; cursor: pointer; transition: color var(--dur-fast) var(--ease-out), background var(--dur-fast) var(--ease-out); }
.hb-seg:hover:not(.hb-seg-on):not([disabled]) { color: var(--fg); background: color-mix(in srgb, var(--fg) 7%, transparent); }
.hb-seg-on { background: var(--paper); color: var(--fg); box-shadow: var(--shadow-xs); }

/* PRIMARY tabs (a section switcher — e.g. Components → Configure / Monitor). Deliberately weightier
   than .hb-segs so nested "tabs-in-tabs" read as a clear hierarchy: bold display type, a filled
   accent chip for the active tab vs. the subtle white chip of the secondary toggle below it. */
.hb-tabs { display: flex; gap: 4px; padding: 4px; background: var(--paper); border: 1px solid var(--border); border-radius: var(--r-xl); box-shadow: var(--shadow-xs); }
.hb-tab { display: inline-flex; align-items: center; gap: 7px; padding: 9px 20px; border: none; border-radius: var(--r-lg); background: none; color: var(--fg-muted); font-family: var(--font-display); font-weight: 600; font-size: 14px; cursor: pointer; transition: color var(--dur-fast) var(--ease-out), background var(--dur-fast) var(--ease-out); }
.hb-tab:hover:not(.is-active) { background: var(--bg-sunken); color: var(--fg); }
.hb-tab.is-active { background: var(--accent); color: #fff; box-shadow: var(--shadow-sm); }

.hb-cfg-bar { display: flex; align-items: center; gap: 12px; padding-bottom: var(--s-3); border-bottom: 1px solid var(--divider); }
.hb-cfg-status { font-size: 12.5px; color: var(--ink-500); }
.hb-cfg-status.ok { color: var(--success); }
.hb-cfg-status.err { color: var(--danger); }
.hb-cfg-status.busy { color: var(--warning); }

.hb-cfg-form { display: flex; flex-direction: column; gap: var(--s-5); }
.hb-cfg-group { display: flex; flex-direction: column; gap: var(--s-2); }
.hb-cfg-cat { margin: 0 0 2px; }
.hb-cfg-row { background: var(--paper); border: 1px solid var(--border); border-radius: var(--r-lg); padding: var(--s-3) var(--s-4); display: flex; flex-direction: column; gap: var(--s-3); box-shadow: var(--shadow-xs); }
.hb-cfg-rowhd { display: flex; align-items: center; gap: var(--s-2); }
.hb-cfg-id { width: 150px; padding: 7px 10px; border: 1px solid var(--border); border-radius: var(--r-md); font-family: var(--font-mono); font-size: 13px; }
.hb-cfg-typesel { padding: 7px 10px; border: 1px solid var(--border); border-radius: var(--r-md); font-size: 13px; background: var(--paper); }
.hb-iconbtn { margin-left: auto; width: 30px; height: 30px; flex: none; border: 1px solid var(--border); border-radius: var(--r-md); background: var(--paper); color: var(--ink-500); cursor: pointer; font-size: 13px; }
.hb-iconbtn:hover { color: var(--danger); border-color: var(--danger); }
.hb-cfg-fields { display: flex; flex-wrap: wrap; gap: var(--s-3); align-items: flex-end; }
.hb-cfg-field { display: flex; flex-direction: column; gap: 4px; font-size: 11.5px; color: var(--ink-500); }
.hb-cfg-field input, .hb-cfg-field select { width: 92px; padding: 6px 8px; border: 1px solid var(--border); border-radius: var(--r-md); font-family: var(--font-mono); font-size: 12.5px; background: var(--paper); color: var(--fg); }
.hb-cfg-field input[type="text"] { width: 112px; }
.hb-cfg-chk { display: flex; align-items: center; gap: 6px; font-size: 12px; color: var(--ink-600); }
.hb-cfg-add { display: flex; align-items: center; gap: var(--s-2); padding-top: var(--s-2); }
.hb-cfg-add select { padding: 7px 10px; border: 1px solid var(--border); border-radius: var(--r-md); font-size: 13px; background: var(--paper); }
.hb-cfg-json { width: 100%; min-height: 420px; padding: var(--s-4); border: 1px solid var(--border); border-radius: var(--r-lg); font-family: var(--font-mono); font-size: 12.5px; line-height: 1.5; background: var(--paper); color: var(--ink-800); resize: vertical; box-sizing: border-box; }

/* Component Guide (Configure → Guide) — offline reference, searchable, category-grouped. */
.hb-guide { display: flex; flex-direction: column; gap: var(--s-4); }
.hb-guide-bar { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }
.hb-guide-search { flex: 1; min-width: 220px; padding: 9px 12px; border: 1px solid var(--border); border-radius: var(--r-md); font-size: 13px; background: var(--paper); color: var(--fg); }
.hb-guide-search:focus-visible { outline: none; box-shadow: var(--shadow-focus); border-color: var(--brand-orange); }
.hb-guide-count { font-size: 12px; color: var(--ink-500); }
.hb-guide-fam { margin-bottom: var(--s-2); }
.hb-guide-fam > summary { cursor: pointer; font-family: var(--font-display); font-weight: 700; font-size: 13px; padding: 6px 2px; color: var(--ink-700); }
.hb-guide-fc { font-family: var(--font-mono); font-size: 11px; color: var(--ink-400); margin-left: 4px; }
.hb-guide-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(285px, 1fr)); gap: var(--s-3); margin-top: var(--s-2); }
.hb-guide-dev { background: var(--paper); border: 1px solid var(--border); border-radius: var(--r-lg); padding: var(--s-3) var(--s-4); box-shadow: var(--shadow-xs); display: flex; flex-direction: column; gap: 7px; }
.hb-guide-hd { display: flex; align-items: baseline; gap: 8px; }
.hb-guide-name { font-weight: 700; font-size: 14px; }
.hb-guide-ty { font-family: var(--font-mono); font-size: 11px; color: var(--ink-500); }
.hb-guide-on { margin-left: auto; font-size: 10px; font-weight: 700; text-transform: uppercase; letter-spacing: .04em; color: var(--brand-orange-deep); background: var(--brand-orange-soft); padding: 2px 7px; border-radius: 999px; }
.hb-guide-desc { font-size: 12.5px; color: var(--ink-600); line-height: 1.5; }
.hb-guide-row { display: flex; flex-direction: column; gap: 3px; }
.hb-guide-lbl { font-size: 10px; text-transform: uppercase; letter-spacing: var(--tracking-eyebrow); color: var(--ink-500); display: flex; align-items: center; gap: 6px; }
.hb-guide-live { background: var(--brand-orange-soft); color: var(--brand-orange-deep); padding: 0 5px; border-radius: 999px; letter-spacing: .02em; font-size: 9px; }
.hb-guide-cfg { font-family: var(--font-mono); font-size: 11.5px; color: var(--ink-700); background: var(--ink-100); padding: 4px 7px; border-radius: var(--r-sm); overflow-wrap: anywhere; }
.hb-guide-prog { font-size: 12px; color: var(--ink-600); line-height: 1.6; }
.hb-guide-prog code { font-family: var(--font-mono); font-size: 11px; background: var(--ink-100); padding: 1px 4px; border-radius: var(--r-xs); }
.hb-guide-caps { display: flex; flex-wrap: wrap; gap: 4px; align-items: center; }
.hb-guide-inst { display: flex; flex-wrap: wrap; gap: 4px; align-items: center; width: 100%; }
.hb-guide-iid { font-family: var(--font-mono); font-size: 11px; color: var(--ink-600); margin-right: 2px; }
.hb-guide-tag { font-family: var(--font-mono); font-size: 10.5px; padding: 2px 6px; border-radius: var(--r-sm); background: var(--ink-100); color: var(--ink-600); }
.hb-guide-tag.read { background: color-mix(in srgb, var(--success) 16%, transparent); color: var(--success); }
.hb-guide-tag.p { background: var(--brand-orange-wash); color: var(--brand-orange-deep); }
.hb-guide-hint, .hb-guide-defer { font-size: 11.5px; color: var(--ink-500); }
.hb-guide-defer code, .hb-guide-hint code { font-family: var(--font-mono); }
.hb-guide-links { display: flex; gap: 14px; margin-top: 2px; }
.hb-guide-links a { font-size: 12px; color: var(--brand-orange-deep); font-weight: 600; text-decoration: none; }
.hb-guide-links a:hover { text-decoration: underline; }

/* Add-component picker (searchable, categorized) */
.hb-picker { margin-top: var(--s-3); border: 1px solid var(--border); border-radius: var(--r-lg); background: var(--paper); box-shadow: var(--shadow-md); padding: var(--s-3); max-height: 400px; overflow-y: auto; }
.hb-pick-search { width: 100%; box-sizing: border-box; padding: 9px 11px; border: 1px solid var(--border); border-radius: var(--r-md); font-size: 13px; margin-bottom: var(--s-2); }
.hb-pick-search:focus-visible { outline: none; box-shadow: var(--shadow-focus); border-color: var(--brand-orange); }
.hb-pick-cat { margin-top: var(--s-2); }
.hb-pick-cathd { font-size: 11px; text-transform: uppercase; letter-spacing: var(--tracking-eyebrow); color: var(--ink-500); padding: 4px 6px; }
.hb-pick-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(212px, 1fr)); gap: 4px; }
.hb-pick-item { display: flex; align-items: baseline; justify-content: space-between; gap: 10px; padding: 8px 10px; border: 1px solid transparent; background: none; border-radius: var(--r-md); cursor: pointer; text-align: left; }
.hb-pick-item:hover { background: var(--ink-100); border-color: var(--border); }
.hb-pick-name { font-weight: 600; font-size: 13px; color: var(--ink-800); }
.hb-pick-type { font-family: var(--font-mono); font-size: 11px; color: var(--ink-500); }

/* ---------- Drive surface (Phase 4) ---------- */
.hb-drive { align-items: center; }
.hb-drive-hero { display: flex; gap: var(--s-8); align-items: center; flex-wrap: wrap; justify-content: center; }

hb-joystick { display: block; }
.hb-joy { position: relative; width: 240px; height: 240px; border-radius: 50%; background: radial-gradient(circle at 50% 45%, var(--paper) 0%, var(--paper-warm) 70%, var(--ink-100) 100%); border: 1.5px solid var(--border); box-shadow: inset 0 2px 14px rgba(15, 20, 30, 0.05); touch-action: none; user-select: none; }
.hb-joy-cross-v { position: absolute; left: 50%; top: 8%; bottom: 8%; width: 1px; background: var(--ink-200); transform: translateX(-50%); }
.hb-joy-cross-h { position: absolute; top: 50%; left: 8%; right: 8%; height: 1px; background: var(--ink-200); transform: translateY(-50%); }
.hb-joy-dz { position: absolute; left: 50%; top: 50%; width: 64%; height: 64%; border: 1px dashed var(--ink-200); border-radius: 50%; transform: translate(-50%, -50%); }
.hb-joy-knob { position: absolute; left: 50%; top: 50%; width: 68px; height: 68px; border-radius: 50%; background: var(--mark-bg); box-shadow: var(--shadow-md); transform: translate(-50%, -50%); cursor: grab; display: flex; align-items: center; justify-content: center; }
.hb-joy-knob::after { content: ""; width: 11px; height: 11px; border-radius: 50%; background: var(--brand-orange); }

.hb-dpad { display: grid; grid-template-columns: repeat(3, 54px); grid-template-rows: repeat(3, 54px); gap: 6px; flex: none; }
.hb-dpad button { border: 1px solid var(--border); border-radius: var(--r-md); background: var(--paper); color: var(--ink-700); font-size: 17px; cursor: pointer; display: flex; align-items: center; justify-content: center; touch-action: none; user-select: none; }
.hb-dpad button:hover { background: var(--ink-150); }
.hb-dpad button.held { background: var(--brand-orange); color: #fff; }
.hb-dpad .stop { color: var(--gear-red); }
.hb-dpad .fwd { grid-area: 1 / 2; }
.hb-dpad .left { grid-area: 2 / 1; }
.hb-dpad .stop { grid-area: 2 / 2; }
.hb-dpad .right { grid-area: 2 / 3; }
.hb-dpad .back { grid-area: 3 / 2; }

.hb-drive-side { display: flex; flex-direction: column; gap: var(--s-4); min-width: 190px; }
.hb-speed { display: flex; flex-direction: column; gap: 6px; }
.hb-speed input[type="range"] { accent-color: var(--brand-orange); }
.hb-stop-btn { padding: 14px; border: none; border-radius: var(--r-lg); background: var(--gear-red); color: #fff; font-weight: 700; font-size: 15px; cursor: pointer; letter-spacing: 0.04em; transition: background var(--dur-fast) var(--ease-out); }
.hb-stop-btn:hover { background: var(--gear-red-deep); }
.hb-wheelmap { font-family: var(--font-mono); font-size: 11px; color: var(--ink-500); line-height: 1.6; }

/* ---------- Controller surface (Phase 5) ---------- */
/* Connected gamepads — a renameable name (browser id is often a generic "Xbox…") + specs. */
.hb-pad-list { display: flex; flex-wrap: wrap; gap: 8px 18px; margin: 10px 0 2px; }
.hb-pad-row { display: inline-flex; align-items: center; gap: 7px; font-size: 13px; color: var(--ink-600); }
.hb-pad-name { width: 150px; padding: 5px 9px; border: 1px solid var(--border); border-radius: var(--r-md); font-size: 13px; font-weight: 600; background: var(--paper); color: var(--fg); }
.hb-pad-name:focus-visible { outline: none; box-shadow: var(--shadow-focus); border-color: var(--brand-orange); }
.hb-pad-meta { font-family: var(--font-mono); font-size: 11px; color: var(--ink-500); }
.hb-ctrl-bar { display: flex; align-items: flex-end; gap: var(--s-4); flex-wrap: wrap; }
.hb-ctrl-bar .hb-cfg-field select { width: auto; min-width: 150px; }
.hb-echo { font-family: var(--font-mono); font-size: 12px; color: var(--brand-orange-deep); min-width: 70px; text-align: right; }
.hb-stop-sm { padding: 9px 16px; font-size: 13px; }
.hb-bindtable { width: 100%; border-collapse: collapse; font-size: 13px; }
.hb-bindtable th { text-align: left; font-size: 11px; text-transform: uppercase; letter-spacing: var(--tracking-eyebrow); color: var(--ink-500); padding: 6px 8px; border-bottom: 1px solid var(--border); }
.hb-bindtable td { padding: 7px 8px; border-bottom: 1px solid var(--divider); vertical-align: middle; }
.hb-bindtable td.hb-empty { text-align: center; padding: 16px; }
.hb-bindtable select { padding: 6px 9px; border: 1px solid var(--border); border-radius: var(--r-md); font-size: 13px; background: var(--paper); }
.hb-bind-input { font-family: var(--font-mono); font-size: 12.5px; color: var(--ink-700); }
.hb-bind-input.capturing { color: var(--brand-orange-deep); font-weight: 600; }
.hb-input-pill { background: var(--paper-warm); }
kbd { display: inline-block; padding: 1px 5px; margin: 0 1px; border: 1px solid var(--border); border-bottom-width: 2px; border-radius: var(--r-xs); background: var(--ink-50); font-family: var(--font-mono); font-size: 11px; }
.hb-map-row { display: flex; align-items: center; gap: 8px; margin-top: var(--s-3); flex-wrap: wrap; }

/* ---------- Settings surface (Phase 5.5) ---------- */
.hb-set-row { display: flex; align-items: center; justify-content: space-between; gap: var(--s-6); padding: var(--s-4) 0; border-bottom: 1px solid var(--divider); flex-wrap: wrap; }
.hb-set-row:last-of-type { border-bottom: none; }
.hb-set-label { font-weight: 600; font-size: 14px; }
.hb-set-help { color: var(--ink-500); font-size: 12.5px; margin-top: 2px; max-width: 440px; }
/* Section header inside a settings card — groups related rows so the page reads as sections. */
.hb-set-section { display: flex; align-items: center; gap: 9px; margin: var(--s-5) 0 2px; color: var(--ink-500); }
.hb-set-section:first-of-type { margin-top: var(--s-2); }
.hb-set-section .hb-set-section-ic { width: 26px; height: 26px; flex: none; border-radius: 7px; background: var(--bg-sunken); color: var(--ink-600); display: flex; align-items: center; justify-content: center; }
.hb-set-section .hb-set-section-ic svg { width: 15px; height: 15px; }
.hb-set-section h3 { margin: 0; font-family: var(--font-display); font-weight: 700; font-size: 12px; letter-spacing: var(--tracking-eyebrow); text-transform: uppercase; color: var(--ink-600); }
/* H2 (sub-section) — e.g. Storage under the Account card. */
.hb-set-h2 { margin: 0 0 var(--s-2); font-family: var(--font-display); font-weight: 700; font-size: var(--fs-h5); }
.hb-set-num { width: 84px; padding: 8px 10px; border: 1px solid var(--border); border-radius: var(--r-md); font-family: var(--font-mono); font-size: 14px; background: var(--paper); color: var(--fg); text-align: right; }
.hb-set-num:focus-visible { outline: none; box-shadow: var(--shadow-focus); border-color: var(--brand-orange); }

/* Toggle switch — a clear on/off control for boolean settings (clearer than a Show/Hide segmented). */
.hb-switch { position: relative; display: inline-block; width: 46px; height: 26px; flex: none; }
.hb-switch input { position: absolute; opacity: 0; width: 0; height: 0; }
.hb-switch-track { position: absolute; inset: 0; background: var(--ink-300); border-radius: var(--r-pill); cursor: pointer; transition: background var(--dur-fast) var(--ease-out); }
.hb-switch-track::before { content: ""; position: absolute; top: 3px; left: 3px; width: 20px; height: 20px; border-radius: 50%; background: #fff; box-shadow: var(--shadow-sm); transition: transform var(--dur-base) var(--ease-out); }
.hb-switch input:checked + .hb-switch-track { background: var(--accent); }
.hb-switch input:checked + .hb-switch-track::before { transform: translateX(20px); }
.hb-switch input:focus-visible + .hb-switch-track { box-shadow: var(--shadow-focus); }
.hb-segs button[disabled] { opacity: 0.5; cursor: not-allowed; }
.hb-storage-list { margin: var(--s-3) 0 0; padding-left: var(--s-5); color: var(--ink-700); font-size: 13.5px; line-height: 1.9; }
.hb-storage-list .hb-soon-row { color: var(--ink-500); }

/* ---------- Console surface (Phase 6) ---------- */
.hb-con-out { height: 360px; overflow-y: auto; padding: var(--s-4); background: var(--ink-50); border: 1px solid var(--border); border-radius: var(--r-md); font-family: var(--font-mono); font-size: 12.5px; line-height: 1.6; }
.hb-con-line { white-space: pre-wrap; overflow-wrap: anywhere; }
.hb-con-line.tx { color: var(--ink-800); }
.hb-con-line.ok { color: var(--success); }
.hb-con-line.err { color: var(--danger); }
.hb-con-line.log { color: var(--info); }
.hb-con-empty { color: var(--ink-400); }
.hb-con-bar { display: flex; align-items: center; gap: 8px; margin-top: var(--s-3); }
.hb-con-prompt { font-family: var(--font-mono); color: var(--brand-orange); font-weight: 700; font-size: 16px; }
.hb-con-input { flex: 1; padding: 9px 11px; border: 1px solid var(--border); border-radius: var(--r-md); font-family: var(--font-mono); font-size: 13px; background: var(--paper); color: var(--fg); }
.hb-con-input:focus-visible { outline: none; box-shadow: var(--shadow-focus); border-color: var(--brand-orange); }

/* ---------- Programming surface (Phase 7) ---------- */
/* Programming fills the viewport: the surface stretches to the main outlet's height and only the
   workspace / Python view scrolls — no page scroll past the bottom. */
hb-programming { align-self: stretch; display: flex; flex-direction: column; }
.hb-surface.hb-prog { max-width: 1500px; gap: var(--s-3); flex: 1; min-height: 0; }
.hb-prog-bar .hb-btn:disabled { opacity: .45; cursor: default; }
.hb-prog-bar [data-act="run"].is-running { animation: hb-runpulse 1s ease-in-out infinite; }
@keyframes hb-runpulse { 0%, 100% { opacity: 1; } 50% { opacity: .55; } }
/* Blockly's field dropdowns / widgets / tooltips render on <body>; keep them above all app chrome
   (the chrome is its own stacking context — see [data-chrome]) so an open field menu is never
   clipped. !important beats Blockly's inline z-index. */
.blocklyWidgetDiv, .blocklyDropDownDiv, .blocklyTooltipDiv { z-index: 99999 !important; }
.hb-prog-bar { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.hb-prog-name { width: 150px; padding: 7px 10px; border: 1px solid var(--border); border-radius: var(--r-md); font-size: 13px; }
.hb-prog-bar select { padding: 7px 9px; border: 1px solid var(--border); border-radius: var(--r-md); font-size: 12.5px; background: var(--paper); }
.hb-prog-status { font-size: 12.5px; font-family: var(--font-mono); color: var(--ink-500); }
.hb-prog-status.ok { color: var(--success); }
.hb-prog-status.err { color: var(--danger); }
.hb-prog-status.run { color: var(--brand-orange-deep); }
.hb-prog-main { position: relative; flex: 1; min-height: 320px; border: 1px solid var(--border); border-radius: var(--r-lg); overflow: hidden; background: var(--paper-warm); }
.hb-blockly { position: absolute; inset: 0; }
/* Editable Python view: a highlighted <pre> behind a transparent <textarea> (identical metrics so
   the caret lines up). You type in the textarea; the pre shows the colors; Run still uses the blocks. */
.hb-prog-py { position: absolute; inset: 0; margin: 0; overflow: hidden; background: var(--mark-bg); }
.hb-py-hl, .hb-py-edit { position: absolute; inset: 0; margin: 0; padding: var(--s-5); border: 0; box-sizing: border-box; font-family: var(--font-mono); font-size: 12.5px; line-height: 1.65; letter-spacing: 0; white-space: pre; tab-size: 4; -moz-tab-size: 4; }
.hb-py-hl { color: #e8edf2; pointer-events: none; z-index: 1; overflow: hidden; }
.hb-py-edit { z-index: 2; overflow: auto; background: transparent; color: transparent; caret-color: #fff; resize: none; outline: none; }
.hb-py-edit::placeholder { color: #6f7a88; }
.hb-py-badge { position: absolute; top: 8px; right: 14px; z-index: 3; font-family: var(--font-mono); font-size: 10px; color: #8a93a0; pointer-events: none; background: rgba(0, 0, 0, 0.28); padding: 2px 8px; border-radius: 999px; }
/* Block help drawer: a right-side overlay above the Blockly workspace + toolbox (z:70). */
.hb-prog-help { position: absolute; top: 0; right: 0; bottom: 0; width: 300px; max-width: 82%; z-index: 80;
  background: var(--paper); border-left: 1px solid var(--border); box-shadow: var(--shadow-lg); overflow: auto; }
.hb-help-hd { position: sticky; top: 0; display: flex; align-items: center; justify-content: space-between;
  padding: 10px var(--s-4); background: var(--paper); border-bottom: 1px solid var(--border);
  font-weight: 600; font-size: 11px; text-transform: uppercase; letter-spacing: .05em; color: var(--ink-500); }
.hb-help-x { border: none; background: none; cursor: pointer; font-size: 14px; color: var(--ink-500); line-height: 1; padding: 2px 4px; }
.hb-help-x:hover { color: var(--ink-800); }
.hb-help-title { margin: var(--s-4) var(--s-4) 6px; font-size: var(--fs-h5); }
.hb-help-op { display: inline-block; margin: 0 var(--s-4) 10px; padding: 2px 7px; border-radius: var(--r-sm);
  background: var(--mark-bg); color: #e8edf2; font-family: var(--font-mono); font-size: 11px; }
.hb-help-body { margin: 0 var(--s-4) 10px; color: var(--ink-700); line-height: 1.55; font-size: 13px; }
.hb-help-points { margin: 0 var(--s-4) var(--s-4); padding-left: 18px; color: var(--ink-600); line-height: 1.5; font-size: 12.5px; }
.hb-help-points li { margin-bottom: 4px; }
.hb-help-empty { margin: var(--s-4); color: var(--ink-400); font-size: 13px; }

/* File ▾ menu (Programming toolbar — groups New/Save/Open/Export/Import/Samples). */
.hb-filewrap { position: relative; }
.hb-filemenu { position: absolute; top: calc(100% + 5px); left: 0; z-index: 60; min-width: 214px; background: var(--paper); border: 1px solid var(--border); border-radius: var(--r-lg); box-shadow: var(--shadow-lg); padding: 6px; display: flex; flex-direction: column; gap: 2px; }
.hb-filemenu .hb-navitem { font-size: 13px; }
.hb-filemenu-sep { height: 1px; background: var(--divider); margin: 4px 2px; }
.hb-filemenu-open { display: flex; gap: 6px; padding: 4px 6px; }
.hb-filemenu-open select { flex: 1; min-width: 0; padding: 6px 8px; border: 1px solid var(--border); border-radius: var(--r-md); font-size: 12.5px; background: var(--paper); color: var(--fg); }

/* Help drawer Block|Python mode toggle + the Python command reference. */
.hb-help-modes { margin-right: auto; }
.hb-help-modes .hb-seg { font-size: 11.5px; padding: 4px 10px; }
.hb-pyref { display: flex; flex-direction: column; gap: 10px; margin: 0 var(--s-4) var(--s-4); }
.hb-pyref-c { display: flex; flex-direction: column; gap: 4px; }
.hb-pyref-id { font-weight: 700; font-size: 12px; color: var(--ink-700); }
.hb-pyref-ty { font-family: var(--font-mono); font-size: 10px; color: var(--ink-400); font-weight: 400; }
.hb-pyref-c code { font-family: var(--font-mono); font-size: 11.5px; background: var(--ink-100); color: var(--ink-700); padding: 2px 6px; border-radius: var(--r-sm); width: fit-content; }

/* Python preview syntax highlight (tokens on the dark code surface). */
.hb-prog-py .tok-kw { color: #ff9d5c; font-weight: 600; }
.hb-prog-py .tok-comp { color: #7ee0a8; }
.hb-prog-py .tok-fn { color: #9cc4ff; }
.hb-prog-py .tok-arg { color: #e6c86e; }
.hb-prog-py .tok-num { color: #d6a2ff; }
.hb-prog-py .tok-str { color: #b6e3a0; }
.hb-prog-py .tok-com { color: #6f7a88; font-style: italic; }

/* Generic modal (Sample-programs picker). */
.hb-modal { position: fixed; inset: 0; z-index: 300; display: flex; align-items: center; justify-content: center; padding: 24px; }
.hb-modal-backdrop { position: absolute; inset: 0; background: rgba(10, 14, 20, 0.45); }
.hb-modal-panel { position: relative; z-index: 1; width: 100%; max-width: 780px; max-height: 86vh; display: flex; flex-direction: column; background: var(--paper); border: 1px solid var(--border); border-radius: var(--r-2xl); box-shadow: var(--shadow-lg); overflow: hidden; }
.hb-modal-hd { display: flex; align-items: center; gap: 12px; padding: 13px 18px; border-bottom: 1px solid var(--border); }
.hb-modal-title { margin: 0; font-family: var(--font-display); font-weight: 700; font-size: var(--fs-h4); flex: none; }
.hb-smp-searchwrap { flex: 1; display: flex; align-items: center; gap: 8px; padding: 0 10px; border: 1px solid var(--border); border-radius: var(--r-md); background: var(--bg-sunken); }
.hb-smp-searchwrap svg { width: 15px; height: 15px; color: var(--ink-400); flex: none; }
.hb-smp-search { flex: 1; border: none; background: none; padding: 9px 0; font-size: 13px; color: var(--fg); outline: none; }
.hb-smp-note { margin: 0; padding: 8px 18px; font-size: 12px; color: var(--ink-500); background: var(--bg-sunken); border-bottom: 1px solid var(--divider); }
.hb-smp-body { overflow-y: auto; padding: 14px 18px 18px; }
.hb-smp-cat { margin-bottom: var(--s-5); }
.hb-smp-cathd { display: flex; align-items: center; gap: 8px; margin: 0 0 8px; font-family: var(--font-display); font-weight: 700; font-size: 12px; text-transform: uppercase; letter-spacing: var(--tracking-eyebrow); color: var(--ink-600); }
.hb-smp-cathd svg { width: 15px; height: 15px; color: var(--brand-orange-deep); }
.hb-smp-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(225px, 1fr)); gap: 8px; }
.hb-smp-card { display: flex; gap: 10px; text-align: left; padding: 10px 11px; background: var(--paper); border: 1px solid var(--border); border-radius: var(--r-lg); cursor: pointer; box-shadow: var(--shadow-xs); transition: transform var(--dur-fast) var(--ease-out), box-shadow var(--dur-fast) var(--ease-out), border-color var(--dur-fast) var(--ease-out); }
.hb-smp-card:hover { transform: translateY(-2px); box-shadow: var(--shadow-sm); border-color: var(--brand-orange); }
.hb-smp-ic { width: 34px; height: 34px; flex: none; border-radius: 9px; background: var(--brand-orange-soft); color: var(--brand-orange-deep); display: flex; align-items: center; justify-content: center; }
.hb-smp-ic svg { width: 18px; height: 18px; }
.hb-smp-main { display: flex; flex-direction: column; gap: 3px; min-width: 0; }
.hb-smp-name { font-weight: 700; font-size: 13px; }
.hb-smp-desc { font-size: 11.5px; color: var(--ink-500); line-height: 1.4; }
.hb-smp-tags { display: flex; flex-wrap: wrap; gap: 3px; margin-top: 2px; }
.hb-smp-tag { font-family: var(--font-mono); font-size: 9.5px; color: var(--ink-500); background: var(--ink-100); padding: 1px 5px; border-radius: var(--r-xs); }

/* Run monitor: a bottom output strip — live program state + print/log output during a run. */
.hb-runmon { flex: none; height: 190px; display: flex; flex-direction: column; border: 1px solid var(--border); border-radius: var(--r-lg); overflow: hidden; background: var(--mark-bg); }
.hb-runmon-hd { display: flex; align-items: center; gap: 10px; padding: 7px 12px; background: rgba(255,255,255,.05); border-bottom: 1px solid rgba(255,255,255,.08); }
.hb-runmon-title { font-weight: 600; text-transform: uppercase; letter-spacing: .05em; font-size: 11px; color: #9aa4b2; }
.hb-runmon-state { font-size: 11px; font-weight: 600; padding: 2px 9px; border-radius: 999px; text-transform: uppercase; background: rgba(255,255,255,.08); color: #cfd6df; }
.hb-runmon-state.is-running, .hb-runmon-state.is-started { background: var(--brand-orange-soft); color: var(--brand-orange-deep); }
.hb-runmon-state.is-finished { background: color-mix(in srgb, var(--success) 26%, transparent); color: #8ee6b3; }
.hb-runmon-state.is-error { background: color-mix(in srgb, var(--danger) 34%, transparent); color: #ffb4b0; }
.hb-runmon-state.is-stopped { background: rgba(255,255,255,.14); color: #cfd6df; }
.hb-runmon-state.is-paused { background: color-mix(in srgb, var(--gear-blue) 34%, transparent); color: #a9c7ff; }
.hb-runmon-step { font-family: var(--font-mono); font-size: 11px; color: #9aa4b2; }
.hb-runmon-hd .hb-help-x { color: #9aa4b2; }
.hb-runmon-hd .hb-help-x:hover { color: #fff; }
.hb-runmon-log { flex: 1; overflow: auto; padding: 8px 12px; font-family: var(--font-mono); font-size: 12px; line-height: 1.6; color: #e8edf2; }
.hb-runline { display: flex; gap: 10px; }
.hb-runline-t { color: #6b7480; flex: none; }
.hb-runline-m { overflow-wrap: anywhere; white-space: pre-wrap; }
.hb-runline-error .hb-runline-m { color: #ffb4b0; }
.hb-runline-state .hb-runline-m { color: #9aa4b2; }
/* Block outlines: a clear edge on every block (the design we wanted). */
.hb-blockly .blocklyPath { stroke: rgba(17, 21, 28, 0.30); stroke-width: 1px; }

/* Step-execution glow — the block the program is paused/running on (set by _glowBlock on the block's
   SVG group). A pulsing orange halo, unmistakable during Step/Run, visible on light + dark. */
.hb-blockly .hb-step-glow { animation: hb-stepglow 1.1s ease-in-out infinite; }
.hb-blockly .hb-step-glow .blocklyPath { stroke: var(--brand-orange); stroke-width: 2.5px; }
@keyframes hb-stepglow {
  0%, 100% { filter: drop-shadow(0 0 2px #ff7f00) drop-shadow(0 0 5px rgba(255, 127, 0, 0.55)); }
  50% { filter: drop-shadow(0 0 4px #ff7f00) drop-shadow(0 0 12px rgba(255, 127, 0, 0.95)); }
}

/* ---------- High contrast (Settings → Contrast) — site-wide, not just blocks ----------
   The border/divider TOKENS already darken (tokens.css); here we add a little extra
   border-width to the major surfaces + a heavier program-block stroke. Bounded selector
   list (the shared structural classes) so "a little thicker" stays tasteful. */
:root[data-contrast="high"] .blocklyPath { stroke: #11151c; stroke-width: 2px; }
:root[data-contrast="high"] .hb-card,
:root[data-contrast="high"] .hb-ctrl,
:root[data-contrast="high"] .hb-cfg-row,
:root[data-contrast="high"] .hb-tile,
:root[data-contrast="high"] .hb-feat,
:root[data-contrast="high"] .hb-btn,
:root[data-contrast="high"] .hb-segs,
:root[data-contrast="high"] .hb-tabs,
:root[data-contrast="high"] .hb-navtrigger,
:root[data-contrast="high"] .hb-navmenu,
:root[data-contrast="high"] .hb-pill,
:root[data-contrast="high"] .hb-screenbtn,
:root[data-contrast="high"] .hb-switch-track,
:root[data-contrast="high"] .hb-field input,
:root[data-contrast="high"] .hb-field select,
:root[data-contrast="high"] .hb-cfg-field input,
:root[data-contrast="high"] .hb-cfg-field select,
:root[data-contrast="high"] .hb-set-num,
:root[data-contrast="high"] .hb-con-input,
:root[data-contrast="high"] .hb-prog-name,
:root[data-contrast="high"] .hb-prog-main { border-width: 2px; }
:root[data-contrast="high"] .hb-topbar,
:root[data-contrast="high"] .hb-nav { border-bottom-width: 2px; }

/* ── Program library + sharing + the editing banner (server programs) ───────── */
.hb-prog-banner { display: flex; align-items: center; gap: 10px; padding: 6px 12px; font-size: var(--fs-sm, .85rem);
  border-bottom: 1px solid var(--border); background: var(--bg-sunken); }
.hb-prog-banner.is-warn { background: var(--brand-orange-wash); color: var(--accent-deep); }
.hb-prog-banner.is-ok { color: var(--fg-muted); }
.hb-runline-step .hb-runline-m { color: var(--fg); }
.hb-lib-panel { max-width: 640px; width: 100%; }
.hb-lib-body { max-height: 60vh; overflow: auto; padding: 4px 2px; }
.hb-lib-cathd { margin: 12px 4px 6px; font-size: var(--fs-sm, .85rem); color: var(--fg-muted); }
.hb-lib-row { display: flex; align-items: center; gap: 8px; padding: 4px 0; }
.hb-lib-open { flex: 1; display: flex; flex-direction: column; align-items: flex-start; gap: 2px; text-align: left;
  padding: 8px 10px; border: 1px solid var(--border); border-radius: 8px; background: var(--bg-elev, #fff); cursor: pointer; }
.hb-lib-open:hover { border-color: var(--border-strong); }
.hb-lib-name { font-weight: 600; }
.hb-lib-meta { font-size: var(--fs-sm, .8rem); color: var(--fg-muted); }
.hb-lib-acc { border: 1px solid var(--border-strong); border-radius: 999px; padding: 0 7px; font-size: .72rem; }
.hb-lib-acc.is-owner { border-color: var(--accent); color: var(--accent-deep); }
.hb-lib-lock { color: var(--accent-deep); font-size: .75rem; }
.hb-lib-share { margin-top: 12px; border-top: 1px solid var(--border); padding-top: 10px; }
.hb-share-row { display: flex; align-items: center; gap: 8px; padding: 4px 2px; }
.hb-share-row span:first-child { flex: 1; }
.hb-share-acc { font-size: .72rem; color: var(--fg-muted); border: 1px solid var(--border); border-radius: 999px; padding: 0 7px; }
.hb-share-add { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; margin-top: 10px; }
.hb-share-add input[type="text"] { flex: 1; min-width: 140px; padding: 6px 10px; border: 1px solid var(--border-strong); border-radius: 8px;
  background: var(--bg); color: var(--fg); }
.hb-share-edit { display: flex; align-items: center; gap: 4px; font-size: var(--fs-sm, .85rem); color: var(--fg-muted); }

/* ── Robot name & save card (Robot tab) ───────────────────────────────────── */
.hb-rn-field { display: block; margin: 10px 0; }
.hb-rn-field > span { display: block; font-size: var(--fs-sm, .85rem); color: var(--fg-muted); margin-bottom: 4px; }
.hb-rn-row { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.hb-rn-input { flex: 1; min-width: 160px; padding: 8px 10px; border: 1px solid var(--border-strong); border-radius: 8px;
  background: var(--bg); color: var(--fg); font: inherit; box-sizing: border-box; }
.hb-rn-err { color: #b3261e; }

/* ── Settings → Account hub ────────────────────────────────────────────────── */
.hb-acct-count { font-size: .72rem; color: var(--fg-muted); border: 1px solid var(--border-strong); border-radius: 999px; padding: 0 7px; margin-left: 6px; }
.hb-acct-list { display: flex; flex-direction: column; gap: 4px; margin: 4px 0 12px; }
.hb-acct-row { display: flex; align-items: center; gap: 8px; padding: 6px 10px; border: 1px solid var(--border); border-radius: 8px; }
.hb-acct-name { flex: 1; font-weight: 600; }
.hb-acct-meta { font-size: var(--fs-sm, .8rem); color: var(--fg-muted); }

/* ── Configure: My-configs + per-robot history panels ─────────────────────── */
.hb-cfg-panel { border: 1px solid var(--border); border-radius: 10px; padding: 10px 12px; margin: 8px 0; background: var(--bg-elev, #fff); }
.hb-hist-row { display: flex; gap: 10px; padding: 4px 2px; font-size: var(--fs-sm, .85rem); border-bottom: 1px solid var(--border); }
.hb-hist-t { color: var(--fg-muted); white-space: nowrap; }