/* ═══════════════════════════════════════════════════════════
   PINOUT HUD · Stylesheet
   600 × 600 right-aligned schematic HUD for Meta Ray-Ban Display
   ═══════════════════════════════════════════════════════════ */

:root {
  --bg:        #000000;
  --ink:       #d8e4ff;
  --ink-dim:   #6b7a99;
  --ink-faint: #1c2638;
  --panel:     #050912;

  --accent:    #4ea1ff;     /* electric chrome */
  --accent-hi: #8ec4ff;
  --accent-lo: rgba(78, 161, 255, 0.16);

  --warn:      #f5b942;
  --bad:       #ff5566;

  /* Wire colors — referenced by data.js swatch ids */
  --w-red:    #ff3344;
  --w-blue:   #3388ff;
  --w-green:  #22dd66;
  --w-yellow: #ffdd22;
  --w-orange: #ff8822;
  --w-black:  #9aa3b6;
  --w-white:  #ffffff;
  --w-purple: #aa55ff;

  /* Right-weighted padding: heavy left margin so content hugs the right */
  --pad-l: 160px;
  --pad-r: 32px;
  --pad-t: 28px;
  --pad-b: 24px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html, body {
  width: 600px;
  height: 600px;
  overflow: hidden;
  background: var(--bg);
  color: var(--ink);
  font-family: "SF Mono", "JetBrains Mono", Menlo, Consolas, ui-monospace, monospace;
  font-size: 16px;
  font-weight: 500;
  letter-spacing: 0.02em;
  -webkit-font-smoothing: antialiased;
}
button {
  font-family: inherit;
  color: inherit;
  background: none;
  border: none;
  cursor: pointer;
  letter-spacing: inherit;
}

/* Subtle scan-line + vignette so the HUD reads as "projected" */
body::after {
  content: '';
  position: fixed;
  inset: 0;
  background:
    repeating-linear-gradient(0deg,
      transparent 0px, transparent 2px,
      rgba(0,0,0,0.18) 3px, rgba(0,0,0,0.18) 4px);
  pointer-events: none;
  z-index: 100;
  mix-blend-mode: multiply;
}

#bg-canvas {
  position: fixed;
  top: 0;
  left: 0;
  width: 600px;
  height: 600px;
  pointer-events: none;
  z-index: 1;
}

#app {
  position: relative;
  width: 600px;
  height: 600px;
  overflow: hidden;
  background: transparent;
  z-index: 2;
}

/* Vertical brand mark on the open left side — gives the panel a anchor */
#app::before {
  content: 'PINOUT · HUD · v1';
  position: absolute;
  left: 24px;
  top: 50%;
  transform: translateY(-50%) rotate(-90deg);
  transform-origin: center;
  white-space: nowrap;
  font-size: 11px;
  letter-spacing: 0.6em;
  color: var(--ink-faint);
  pointer-events: none;
  z-index: 1;
}
/* Schematic accent rule along the right-content edge */
#app::after {
  content: '';
  position: absolute;
  left: calc(var(--pad-l) - 18px);
  top: 28px;
  bottom: 28px;
  width: 1px;
  background: linear-gradient(180deg,
    transparent 0%, var(--accent) 18%, var(--accent) 82%, transparent 100%);
  opacity: 0.35;
  pointer-events: none;
  z-index: 1;
}

/* ─────────── Screen base ─────────── */
.screen {
  position: absolute;
  inset: 0;
  width: 600px;
  height: 600px;
  padding: var(--pad-t) var(--pad-r) var(--pad-b) var(--pad-l);
  display: flex;
  flex-direction: column;
  animation: screenIn 220ms ease-out;
  background: transparent;
  z-index: 2;
}
.screen.hidden, .overlay.hidden, .hidden { display: none !important; }
@keyframes screenIn {
  from { opacity: 0; transform: translateX(8px); }
  to   { opacity: 1; transform: translateX(0); }
}

/* ─────────── Buttons ─────────── */
.btn {
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.22em;
  padding: 14px 16px;
  border: 2px solid var(--ink);
  background: transparent;
  color: var(--ink);
  text-transform: uppercase;
  flex: 1;
  white-space: nowrap;
  transition: background 120ms ease, color 120ms ease, border-color 120ms ease, transform 120ms ease;
}
.btn.primary {
  background: var(--ink);
  color: var(--bg);
  border-color: var(--ink);
}
.btn.ghost {
  background: transparent;
  color: var(--ink);
  border-color: var(--ink);
}
.btn:disabled { opacity: 0.28; cursor: not-allowed; }
.btn:hover:not(:disabled),
.btn.dpad-focus:not(:disabled) {
  background: var(--accent);
  color: var(--bg);
  border-color: var(--accent);
}
.btn:active:not(:disabled) { transform: scale(0.97); }

/* ─────────── Page header ─────────── */
.page-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 14px;
}
.page-title {
  font-size: 30px;
  font-weight: 800;
  letter-spacing: 0.16em;
  color: var(--ink);
  line-height: 1;
}
.page-meta {
  font-size: 14px;
  letter-spacing: 0.28em;
  color: var(--accent);
  display: flex;
  align-items: center;
  gap: 8px;
}

/* Bottom action row */
.page-actions {
  margin-top: auto;
  padding-top: 14px;
  display: flex;
  gap: 8px;
}
.page-actions .btn { flex: 1; }
.page-actions.three .btn {
  flex: 1;
  padding-left: 6px;
  padding-right: 6px;
  font-size: 12px;
  letter-spacing: 0.18em;
}

/* ─────────── HOME ─────────── */
#home {
  justify-content: flex-start;
}
#home .page-head {
  flex-direction: column;
  align-items: flex-start;
  gap: 8px;
  margin-bottom: 12px;
}
.brand-mark {
  font-size: 52px;
  font-weight: 800;
  letter-spacing: 0.06em;
  color: var(--ink);
  line-height: 1;
  animation: brandBreathe 7s ease-in-out infinite;
}
@keyframes brandBreathe {
  0%, 100% { text-shadow: 0 0 0 transparent; }
  50%      { text-shadow: 0 0 22px var(--accent-lo), 0 0 6px var(--accent-lo); }
}
.brand-tag {
  font-size: 11px;
  letter-spacing: 0.36em;
  color: var(--accent);
}
.home-meta {
  font-size: 12px;
  letter-spacing: 0.3em;
  color: var(--ink-dim);
  margin-top: 6px;
  margin-bottom: auto;
}
.home-meta .dot-sep { margin: 0 8px; color: var(--accent); }
#home-templates, #home-last { color: var(--ink); font-weight: 600; }

.home-actions {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin: auto 0 16px;
}
.bigbtn {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 6px;
  padding: 18px 20px;
  border: 2px solid var(--ink);
  background: transparent;
  color: var(--ink);
  text-align: left;
  width: 100%;
  transition: background 140ms ease, color 140ms ease, border-color 140ms ease, transform 140ms ease;
}
.bigbtn.primary {
  background: var(--ink);
  color: var(--bg);
  border-color: var(--ink);
}
.bigbtn:hover, .bigbtn.dpad-focus {
  background: var(--accent) !important;
  color: var(--bg) !important;
  border-color: var(--accent) !important;
}
.bigbtn:active { transform: scale(0.985); }
.bb-label {
  font-size: 28px;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  line-height: 1;
}
.bb-sub {
  font-size: 11px;
  letter-spacing: 0.32em;
  text-transform: uppercase;
  opacity: 0.7;
}

.ghost-link {
  align-self: flex-start;
  font-size: 11px;
  letter-spacing: 0.3em;
  color: var(--ink-dim);
  background: none;
  border: none;
  padding: 4px 0;
  text-transform: uppercase;
}
.ghost-link:hover, .ghost-link.dpad-focus { color: var(--accent); }

/* ─────────── ESP32 model list ─────────── */
.model-list {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 8px;
  overflow-y: auto;
  padding-right: 4px;
  min-height: 0;
}
.model-list::-webkit-scrollbar { width: 4px; }
.model-list::-webkit-scrollbar-thumb { background: var(--ink-faint); }

.model-item {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 14px 14px;
  border: 1px solid var(--ink-faint);
  background: var(--panel);
  text-align: left;
  width: 100%;
  color: var(--ink);
  transition: all 140ms ease;
}
.model-item:hover, .model-item.dpad-focus {
  background: var(--accent-lo);
  border-color: var(--accent);
  color: var(--ink);
}
.model-item .mi-name {
  font-size: 18px;
  font-weight: 800;
  letter-spacing: 0.1em;
}
.model-item .mi-sub {
  font-size: 11px;
  letter-spacing: 0.28em;
  color: var(--ink-dim);
}
.model-item:hover .mi-sub,
.model-item.dpad-focus .mi-sub { color: var(--accent-hi); }

/* ─────────── Pin list (used by color-assign + reference) ─────────── */
.pin-list {
  flex: 1;
  overflow-y: auto;
  padding-right: 4px;
  min-height: 0;
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.pin-list::-webkit-scrollbar { width: 4px; }
.pin-list::-webkit-scrollbar-thumb { background: var(--ink-faint); }

.pin-row {
  display: grid;
  grid-template-columns: 36px 1fr auto;
  align-items: center;
  gap: 10px;
  padding: 8px 10px 8px 8px;
  border-bottom: 1px solid var(--ink-faint);
  background: transparent;
  color: var(--ink);
  text-align: left;
  width: 100%;
  transition: background 120ms ease, padding 120ms ease;
}
.pin-row:hover, .pin-row.dpad-focus {
  background: var(--accent-lo);
  padding-left: 12px;
}
.pin-row .pr-num {
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--ink-dim);
  text-align: right;
}
.pin-row.dpad-focus .pr-num,
.pin-row:hover .pr-num { color: var(--accent); }
.pin-row .pr-label {
  font-size: 22px;
  font-weight: 700;
  letter-spacing: 0.05em;
}
.pin-row .pr-wire {
  display: flex;
  align-items: center;
  gap: 10px;
}
.pin-row .pr-color-name {
  font-size: 13px;
  letter-spacing: 0.20em;
  color: var(--ink-dim);
  min-width: 70px;
  text-align: right;
}
.pin-row.dpad-focus .pr-color-name,
.pin-row:hover .pr-color-name { color: var(--ink); }

/* Wire swatch — short colored "wire stub" with an end cap */
.swatch {
  display: inline-block;
  width: 38px;
  height: 10px;
  border-radius: 2px;
  background: currentColor;
  position: relative;
  box-shadow: 0 0 10px currentColor;
}
.swatch::after {
  content: '';
  position: absolute;
  right: -5px;
  top: 50%;
  transform: translateY(-50%);
  width: 8px;
  height: 14px;
  border-radius: 1px;
  background: var(--ink);
  box-shadow: none;
}

/* Color assign helper line */
.ca-help {
  font-size: 13px;
  letter-spacing: 0.24em;
  color: var(--ink);
  margin-bottom: 10px;
  text-transform: uppercase;
}

/* ─────────── Custom pin count ─────────── */
.cc-prompt {
  font-size: 13px;
  letter-spacing: 0.32em;
  color: var(--accent);
  text-transform: uppercase;
  margin-bottom: 18px;
}
.cc-readout {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 18px;
  margin-bottom: 24px;
}
.cc-num {
  font-size: 96px;
  font-weight: 800;
  letter-spacing: 0.04em;
  color: var(--ink);
  line-height: 1;
  min-width: 140px;
  text-align: center;
  text-shadow: 0 0 24px var(--accent-lo);
}
.cc-step {
  width: 56px;
  height: 56px;
  border: 2px solid var(--ink);
  background: transparent;
  color: var(--ink);
  font-size: 32px;
  font-weight: 700;
  line-height: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 140ms ease;
}
.cc-step:hover, .cc-step.dpad-focus {
  background: var(--accent);
  color: var(--bg);
  border-color: var(--accent);
}

.cc-hint {
  font-size: 13px;
  letter-spacing: 0.24em;
  color: var(--ink);
  text-transform: uppercase;
  margin-bottom: 24px;
  text-align: right;
}

/* ─────────── Custom pin config (shared bits) ─────────── */
.cp-section-label {
  font-size: 14px;
  letter-spacing: 0.24em;
  color: var(--ink);
  margin-bottom: 10px;
  text-transform: uppercase;
}
.cp-label-display {
  font-size: 44px;
  font-weight: 800;
  letter-spacing: 0.08em;
  color: var(--ink);
  line-height: 1;
  margin-bottom: 10px;
  text-align: right;
  padding-right: 2px;
  text-shadow: 0 0 18px var(--accent-lo);
}
.cp-label-readout {
  font-size: 56px;
  margin-bottom: 18px;
}

/* Label grid — 5 columns × 9 rows of common pin labels.
   Spatial picker: Up/Down jumps row, Left/Right walks within. */
.label-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 4px;
  flex: 1;
  align-content: start;
  margin-bottom: 12px;
}
.label-cell {
  font-family: inherit;
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--ink);
  background: var(--panel);
  border: 1px solid var(--ink-faint);
  padding: 10px 4px;
  text-align: center;
  cursor: pointer;
  transition: all 120ms ease;
  white-space: nowrap;
}
.label-cell:hover, .label-cell.dpad-focus {
  background: var(--accent);
  color: var(--bg);
  border-color: var(--accent);
  box-shadow: 0 0 10px var(--accent-lo);
}
/* Subtle row tint to imply category groups (power / bus / GPIO / analog) */
.label-cell[data-row="0"] { border-top: 1px solid rgba(255, 51, 68, 0.35); }
.label-cell[data-row="1"],
.label-cell[data-row="2"] { border-top-color: rgba(34, 221, 102, 0.20); }
.label-cell[data-row="8"] { border-top: 1px solid rgba(170, 85, 255, 0.35); }
.label-cell.current {
  border-color: var(--accent);
  color: var(--accent);
}
.label-cell.dpad-focus.current { color: var(--bg); }

.cp-color-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
}
.color-cell {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  padding: 16px 6px;
  border: 1px solid var(--ink-faint);
  background: var(--panel);
  cursor: pointer;
  transition: all 120ms ease;
}
.color-cell .cc-swatch {
  width: 70px;
  height: 16px;
  border-radius: 3px;
  background: currentColor;
  box-shadow: 0 0 14px currentColor;
}
.color-cell .cc-name {
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.18em;
  color: var(--ink);
}
.color-cell.selected {
  border-color: var(--accent);
  background: var(--accent-lo);
}
.color-cell:hover, .color-cell.dpad-focus {
  border-color: var(--accent);
  background: var(--accent-lo);
}

/* ─────────── Reference (active HUD) ─────────── */
#reference {
  position: relative;
}
.ref-help {
  font-size: 13px;
  letter-spacing: 0.24em;
  color: var(--ink);
  margin-bottom: 10px;
  text-transform: uppercase;
}

/* When focus mode is on, dim the underlying list */
#reference.focus-on .pin-list { opacity: 0.18; pointer-events: none; }
#reference.focus-on .ref-help { opacity: 0; }

.focus-overlay {
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  left: var(--pad-l);
  padding: var(--pad-t) var(--pad-r) var(--pad-b) 0;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: flex-end;
  text-align: right;
  z-index: 5;
  animation: focusIn 180ms ease-out;
  pointer-events: none;
}
@keyframes focusIn {
  from { opacity: 0; transform: translateX(12px); }
  to   { opacity: 1; transform: translateX(0); }
}
.fo-eyebrow {
  font-size: 11px;
  letter-spacing: 0.36em;
  color: var(--accent);
  margin-bottom: 8px;
}
.fo-pinno {
  font-size: 96px;
  font-weight: 800;
  letter-spacing: 0.04em;
  color: var(--ink);
  line-height: 0.9;
  text-shadow: 0 0 28px var(--accent-lo);
  margin-bottom: 4px;
}
.fo-label {
  font-size: 56px;
  font-weight: 800;
  letter-spacing: 0.08em;
  color: var(--ink);
  line-height: 1;
  margin-bottom: 22px;
}
.fo-wire {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 18px;
}
.fo-swatch {
  display: inline-block;
  width: 80px;
  height: 14px;
  border-radius: 3px;
  background: currentColor;
  box-shadow: 0 0 18px currentColor;
  position: relative;
}
.fo-swatch::after {
  content: '';
  position: absolute;
  right: -8px;
  top: 50%;
  transform: translateY(-50%);
  width: 10px;
  height: 22px;
  border-radius: 2px;
  background: var(--ink);
}
.fo-color {
  font-size: 18px;
  font-weight: 700;
  letter-spacing: 0.18em;
  color: var(--ink);
  text-transform: uppercase;
}
.fo-help {
  font-size: 13px;
  letter-spacing: 0.24em;
  color: var(--ink);
  text-transform: uppercase;
}

/* ─────────── WALKTHROUGH ─────────── */
#walkthrough {
  padding: 48px 48px 36px 48px;
  align-items: center;
  text-align: center;
}
.wt-corner {
  position: absolute;
  width: 22px;
  height: 22px;
  border: 2px solid var(--accent);
  z-index: 3;
}
.wt-corner.tl { top: 24px;    left: 24px;   border-right: none; border-bottom: none; }
.wt-corner.tr { top: 24px;    right: 24px;  border-left:  none; border-bottom: none; }
.wt-corner.bl { bottom: 24px; left: 24px;   border-right: none; border-top:    none; }
.wt-corner.br { bottom: 24px; right: 24px;  border-left:  none; border-top:    none; }

.wt-step {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 18px;
  width: 100%;
  animation: stepIn 280ms ease-out;
}
@keyframes stepIn {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 1; transform: translateY(0); }
}
.wt-eyebrow {
  font-size: 12px;
  letter-spacing: 0.4em;
  color: var(--accent);
}
.wt-glyph {
  width: 100px;
  height: 100px;
  border: 2px solid var(--accent);
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}
.wt-glyph::before {
  content: '';
  position: absolute;
  inset: -10px;
  border: 1px dashed var(--accent);
  opacity: 0.5;
}
/* Glyph: chip (DIP-shaped block w/ leg ticks) */
.g-chip {
  width: 50px;
  height: 64px;
  background: var(--accent);
  position: relative;
  box-shadow: 0 0 18px var(--accent-lo);
}
.g-chip::before, .g-chip::after {
  content: '';
  position: absolute;
  top: 8px;
  bottom: 8px;
  width: 6px;
  background:
    linear-gradient(180deg,
      var(--accent) 0 6px, transparent 6px 14px,
      var(--accent) 14px 20px, transparent 20px 28px,
      var(--accent) 28px 34px, transparent 34px 42px,
      var(--accent) 42px 48px);
}
.g-chip::before { left: -10px; }
.g-chip::after  { right: -10px; }
/* Glyph: list of bars */
.g-list {
  width: 50px; height: 50px;
  position: relative;
}
.g-list::before {
  content: '';
  position: absolute;
  top: 4px; left: 0; right: 0;
  height: 4px;
  background: var(--accent);
  box-shadow:
    0 14px 0 var(--accent),
    0 28px 0 var(--accent),
    0 42px 0 var(--accent);
}
/* Glyph: zoom (rectangle with magnifier hint) */
.g-zoom {
  width: 56px; height: 56px;
  border: 3px solid var(--accent);
  position: relative;
}
.g-zoom::after {
  content: '';
  position: absolute;
  bottom: -14px; right: -14px;
  width: 22px;
  height: 3px;
  background: var(--accent);
  transform: rotate(45deg);
}

.wt-title {
  font-size: 40px;
  font-weight: 800;
  letter-spacing: 0.14em;
  color: var(--ink);
  line-height: 1;
}
.wt-body {
  font-size: 16px;
  line-height: 1.55;
  color: var(--ink);
  max-width: 360px;
  letter-spacing: 0.04em;
}
.wt-body em {
  color: var(--accent);
  font-style: normal;
  font-weight: 700;
}

.wt-bottom {
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
}
.wt-progress {
  display: flex;
  gap: 10px;
}
.wt-dot {
  width: 28px;
  height: 3px;
  background: var(--ink-faint);
  transition: all 220ms ease;
}
.wt-dot.active { background: var(--accent); }
.wt-actions {
  display: flex;
  gap: 10px;
  width: 100%;
}

/* ─────────── Toast ─────────── */
.toast {
  position: absolute;
  bottom: 26px;
  left: 50%;
  transform: translateX(-50%) translateY(16px);
  background: var(--ink);
  color: var(--bg);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.28em;
  padding: 12px 22px;
  z-index: 200;
  opacity: 0;
  transition: opacity 220ms ease, transform 220ms ease;
  text-transform: uppercase;
}
.toast.show {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

/* ─────────── Confirm overlay ─────────── */
.overlay {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.92);
  z-index: 150;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 60px 50px;
}
.confirm-card {
  width: 100%;
  display: flex;
  flex-direction: column;
  gap: 18px;
  text-align: center;
}
.cc-eyebrow {
  font-size: 12px;
  letter-spacing: 0.4em;
  color: var(--accent);
}
.cc-msg {
  font-size: 19px;
  color: var(--ink);
  line-height: 1.45;
  font-weight: 600;
}
.cc-actions {
  display: flex;
  gap: 10px;
}

/* ─────────── Focusable ─────────── */
.focusable:focus { outline: none; }