/* Litwick Lanes Cartridge Bay — progressive-disclosure repair bench
   Palette: faded arcade red, mustard, cream ABS, smoky CRT, PCB green,
   copper traces, black rubber, ticket-paper white.
   No cyan/purple neon, glassmorphism, metric cards, or generic cyber glow. */

:root {
  --arcade-red: #a82a22;
  --arcade-red-deep: #6e1a16;
  --arcade-red-faded: #c45a48;
  --mustard: #c9a227;
  --mustard-deep: #8a6e14;
  --cream-abs: #e8dcc4;
  --cream-dark: #cfc0a4;
  --crt-smoke: #1a1c18;
  --crt-glass: #0e1210;
  --crt-phosphor: #8faf6a;
  --pcb-green: #2a4a32;
  --pcb-green-deep: #1a3022;
  --copper: #b87333;
  --copper-bright: #d4924a;
  --rubber: #121210;
  --rubber-soft: #2a2a26;
  --ticket: #f4f0e4;
  --ticket-ink: #1c1810;
  --ink: #1a1612;
  --metal: #6a6860;
  --metal-light: #9a968c;
  --focus: #c9a227;
  --ok: #3d5c30;
  --deny: #8a2018;
  --font-ui: "IBM Plex Sans", "Helvetica Neue", "Arial", sans-serif;
  --font-mono: "IBM Plex Mono", "SFMono-Regular", "Menlo", "Consolas", monospace;
  --radius: 2px;
  --top-z: 50;
  --manual-z: 80;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
  background: #2a2620;
  color: var(--ink);
  font-family: var(--font-ui);
  font-size: 15px;
  line-height: 1.35;
}

body {
  background-image:
    repeating-linear-gradient(
      90deg,
      transparent,
      transparent 3px,
      rgba(0, 0, 0, 0.04) 3px,
      rgba(0, 0, 0, 0.04) 4px
    ),
    linear-gradient(180deg, #353028 0%, #2a2620 40%, #221e18 100%);
}

body.manual-open {
  overflow: hidden;
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--ticket);
  color: var(--ink);
  padding: 0.5rem 0.75rem;
  z-index: 100;
}
.skip-link:focus {
  left: 0.5rem;
  top: 0.5rem;
}

.hidden {
  display: none !important;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* —— Sticky top: CRT + objective —— */
.top-bar {
  position: sticky;
  top: 0;
  z-index: var(--top-z);
  background: var(--rubber);
  border-bottom: 3px solid var(--arcade-red-deep);
}

.crt-strip {
  display: flex;
  flex-wrap: wrap;
  align-items: stretch;
  gap: 0.5rem;
  padding: 0.4rem 0.6rem;
}

.crt-bezel {
  flex: 1 1 220px;
  background: var(--metal);
  padding: 4px;
  border: 2px solid var(--rubber);
}

.crt-glass {
  background: var(--crt-glass);
  color: var(--crt-phosphor);
  font-family: var(--font-mono);
  font-size: 0.85rem;
  padding: 0.45rem 0.65rem;
  min-height: 2.2rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem 0.55rem;
  align-items: center;
  border: 1px solid #0a0c0a;
}

.crt-label {
  color: var(--mustard);
  font-weight: 600;
}

.crt-sep {
  opacity: 0.45;
}

.strip-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  align-items: center;
}

.objective-strip {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.45rem 0.65rem;
  padding: 0.4rem 0.75rem 0.5rem;
  background: var(--cream-abs);
  color: var(--ink);
  border-top: 2px solid var(--mustard);
  font-size: 0.9rem;
}

.objective-tag {
  font-size: 0.68rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--arcade-red-deep);
  background: var(--mustard);
  padding: 0.15rem 0.4rem;
  border: 1px solid var(--mustard-deep);
}

#objective-text {
  flex: 1 1 12rem;
  font-weight: 600;
}

/* —— Two-region bench —— */
.bench {
  display: grid;
  grid-template-columns: minmax(280px, 1fr) minmax(320px, 1.35fr);
  gap: 0.65rem;
  padding: 0.65rem;
  align-items: start;
  max-width: 1180px;
  margin: 0 auto;
}

.sheet-region,
.cabinet-region .cabinet-shell,
.ticket-focus,
.door-focus {
  background: var(--cream-abs);
  border: 2px solid var(--rubber);
  box-shadow: 3px 3px 0 rgba(0, 0, 0, 0.25);
}

.bay-plate {
  background: var(--arcade-red);
  color: var(--ticket);
  padding: 0.45rem 0.65rem;
  border-bottom: 3px solid var(--mustard);
}

.bay-title {
  margin: 0;
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.bay-sub {
  margin: 0.15rem 0 0;
  font-size: 0.78rem;
  opacity: 0.9;
}

.sheet-body {
  padding-bottom: 0.35rem;
}

.section-stamp {
  margin: 0;
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--arcade-red-deep);
  border-bottom: 2px solid var(--mustard);
  padding: 0.35rem 0.55rem 0.25rem;
  background: var(--cream-dark);
}

.sheet-label {
  display: block;
  margin: 0.45rem 0.55rem 0.15rem;
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--ink);
}

.sheet-label.inline {
  display: inline;
  margin: 0 0.35rem 0 0;
}

.sheet-input,
.sheet-select {
  display: block;
  width: calc(100% - 1.1rem);
  margin: 0 0.55rem;
  background: var(--ticket);
  border: 1px solid var(--rubber-soft);
  color: var(--ticket-ink);
  font-family: var(--font-mono);
  font-size: 0.85rem;
  padding: 0.4rem 0.45rem;
  border-radius: var(--radius);
}

.sheet-input.narrow {
  width: 7rem;
  display: inline-block;
  margin: 0 0.35rem 0 0;
}

.sheet-hint {
  margin: 0.25rem 0.55rem 0.4rem;
  font-size: 0.75rem;
  color: var(--rubber-soft);
}

.block-builder {
  padding-bottom: 0.2rem;
}

.pcb-blocks {
  display: flex;
  flex-wrap: wrap;
  gap: 0.25rem;
  padding: 0.4rem 0.55rem;
}

.rom-block {
  background: var(--pcb-green);
  color: var(--copper-bright);
  border: 1px solid var(--copper);
  font-family: var(--font-mono);
  font-size: 0.65rem;
  font-weight: 700;
  padding: 0.4rem 0.45rem;
  min-width: 3rem;
  text-align: center;
}

.hex-wrap {
  padding: 0 0 0.35rem;
}

.hex-sheet {
  display: block;
  width: calc(100% - 1.1rem);
  margin: 0 0.55rem;
  background: #1e1c18;
  color: var(--crt-phosphor);
  border: 2px solid var(--rubber);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  padding: 0.5rem;
  min-height: 7rem;
  resize: vertical;
}

.primary-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  padding: 0.5rem 0.55rem 0.35rem;
  align-items: center;
}

.btn-metal,
.btn-rubber {
  font-family: var(--font-ui);
  font-size: 0.78rem;
  font-weight: 700;
  border-radius: var(--radius);
  cursor: pointer;
  border: 2px solid var(--rubber);
  padding: 0.45rem 0.7rem;
  background: var(--metal-light);
  color: var(--ink);
}

.btn-metal.primary {
  background: var(--mustard);
  border-color: var(--mustard-deep);
  font-size: 0.88rem;
  padding: 0.55rem 0.9rem;
}

.btn-metal.accent {
  background: var(--arcade-red-faded);
  color: var(--ticket);
  border-color: var(--arcade-red-deep);
}

.btn-metal.danger {
  background: var(--arcade-red);
  color: var(--ticket);
  border-color: var(--arcade-red-deep);
}

.btn-rubber {
  background: var(--rubber-soft);
  color: var(--ticket);
  border-color: #000;
}

.btn-rubber.alt {
  background: var(--metal);
}

.btn-metal:hover,
.btn-rubber:hover {
  filter: brightness(1.05);
}

.btn-metal:focus-visible,
.btn-rubber:focus-visible,
.sheet-input:focus-visible,
.sheet-select:focus-visible,
.hex-sheet:focus-visible,
.drawer:focus-visible,
.ticket-slot:focus-visible {
  outline: 2px solid var(--focus);
  outline-offset: 2px;
}

.result-brief {
  margin: 0.35rem 0.55rem 0.55rem;
  background: var(--ticket);
  color: var(--ticket-ink);
  border: 1px dashed var(--rubber-soft);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  padding: 0.55rem;
  white-space: pre-wrap;
  word-break: break-word;
  max-height: 8rem;
  overflow: auto;
}

/* —— Cabinet cutaway —— */
.cabinet-region {
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
}

.cabinet-shell {
  background: var(--arcade-red-deep);
  padding: 0.45rem;
}

.cabinet-marquee {
  background: var(--mustard);
  color: var(--ink);
  text-align: center;
  font-weight: 800;
  letter-spacing: 0.12em;
  font-size: 0.78rem;
  padding: 0.3rem;
  border: 2px solid var(--rubber);
}

.cabinet-body {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.4rem;
  padding: 0.45rem 0;
}

.crt-playfield {
  background: var(--rubber);
  border: 4px solid var(--metal);
  padding: 0.35rem;
  min-height: 9rem;
}

.crt-inner {
  position: relative;
  background: radial-gradient(ellipse at center, #1c2418 0%, var(--crt-smoke) 70%);
  min-height: 8.2rem;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 2px solid #050605;
  overflow: hidden;
}

.scanlines {
  pointer-events: none;
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(
    0deg,
    transparent,
    transparent 2px,
    rgba(0, 0, 0, 0.12) 2px,
    rgba(0, 0, 0, 0.12) 3px
  );
  opacity: 0.55;
}

.playfield-text {
  position: relative;
  z-index: 1;
  margin: 0;
  color: var(--crt-phosphor);
  font-family: var(--font-mono);
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-align: center;
  padding: 0.5rem;
}

.cartridge-slot {
  background: var(--pcb-green-deep);
  border: 3px solid var(--rubber);
  padding: 0.4rem;
  display: grid;
  grid-template-columns: minmax(7rem, 0.8fr) minmax(9rem, 1.2fr);
  grid-template-rows: auto 1fr auto;
  gap: 0.3rem 0.65rem;
  align-items: stretch;
}

.service-cartridge-art {
  grid-column: 1;
  grid-row: 1 / 4;
  width: 100%;
  height: 100%;
  max-height: 15rem;
  object-fit: contain;
  align-self: center;
  filter: drop-shadow(2px 3px 1px rgba(0, 0, 0, 0.35));
}

.edge-connector {
  grid-column: 2;
  grid-row: 1;
  display: flex;
  gap: 3px;
  justify-content: center;
  background: var(--metal);
  padding: 0.25rem;
  border: 1px solid var(--rubber);
}

.edge-connector .pin {
  width: 8px;
  height: 14px;
  background: var(--copper);
  border: 1px solid #5a3a18;
}

.pcb {
  grid-column: 2;
  grid-row: 2;
  position: relative;
  flex: 1;
  min-height: 6.5rem;
  background:
    linear-gradient(90deg, rgba(184, 115, 51, 0.15) 1px, transparent 1px),
    linear-gradient(rgba(184, 115, 51, 0.12) 1px, transparent 1px),
    var(--pcb-green);
  background-size: 12px 12px, 12px 12px, auto;
  border: 1px solid var(--copper);
  padding: 0.4rem;
}

.chip {
  display: inline-block;
  background: #1a1a18;
  color: #c8c4b8;
  font-family: var(--font-mono);
  font-size: 0.62rem;
  padding: 0.35rem 0.4rem;
  margin: 0.15rem;
  border: 1px solid #444;
}

.trace {
  position: absolute;
  height: 3px;
  border-radius: 1px;
  opacity: 0.35;
  transition: opacity 0.15s linear, width 0.15s linear;
}

.trace.copper {
  background: var(--mustard);
  top: 42%;
  left: 8%;
  width: 40%;
}

.trace.runtime {
  background: var(--arcade-red-faded);
  top: 58%;
  left: 20%;
  width: 55%;
}

.pcb.scan-active .trace.copper {
  opacity: 1;
  width: 78%;
}

.pcb.run-active .trace.runtime {
  opacity: 1;
  width: 85%;
}

.pcb.diverge .trace.copper,
.pcb.diverge .trace.runtime {
  opacity: 1;
}

.pcb.diverge .trace.runtime {
  top: 70%;
  transform: rotate(-8deg);
  transform-origin: left center;
}

.socket-label {
  position: absolute;
  bottom: 4px;
  right: 6px;
  font-family: var(--font-mono);
  font-size: 0.58rem;
  color: var(--copper-bright);
}

.slot-state {
  grid-column: 2;
  grid-row: 3;
}

.slot-state {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--ticket);
  text-align: center;
}

@media (max-width: 700px) {
  .cartridge-slot {
    grid-template-columns: 1fr;
  }
  .service-cartridge-art {
    grid-column: 1;
    grid-row: 1;
    max-height: 11rem;
  }
  .edge-connector { grid-column: 1; grid-row: 2; }
  .pcb { grid-column: 1; grid-row: 3; }
  .slot-state { grid-column: 1; grid-row: 4; }
}

/* Two-line scan-vs-run overlay */
.diverge-overlay {
  background: var(--mustard);
  color: var(--ink);
  border: 2px solid var(--mustard-deep);
  padding: 0.4rem 0.55rem;
  margin-top: 0.15rem;
}

.diverge-line {
  margin: 0.1rem 0;
  font-family: var(--font-mono);
  font-size: 0.74rem;
  font-weight: 700;
}

/* Contextual ticket / door under cabinet */
.ticket-focus {
  outline: none;
}

.ticket-summary {
  margin: 0.45rem 0.55rem;
  font-size: 0.85rem;
  color: var(--ink);
}

.ticket-actions {
  padding: 0 0.55rem 0.55rem;
}

.door-focus {
  outline: none;
}

.door-focus-grid {
  display: grid;
  grid-template-columns: minmax(120px, 0.7fr) 1fr;
  gap: 0.5rem;
  padding: 0.5rem;
  align-items: start;
}

.focused-slot {
  background: #fff8d8;
  border: 2px solid var(--mustard-deep);
  border-left: 6px solid var(--mustard);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  padding: 0.55rem;
  color: var(--ticket-ink);
  min-height: 4rem;
}

.focused-slot .tn {
  display: block;
  font-weight: 800;
  font-size: 1.1rem;
  margin-bottom: 0.25rem;
}

.focused-slot .meta {
  display: block;
  line-height: 1.35;
}

.coin-door .sheet-input {
  width: calc(100% - 0);
  margin: 0.35rem 0;
}

.door-face {
  background: var(--metal);
  border: 3px solid var(--rubber);
  min-height: 5rem;
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.25rem;
}

.door-face[data-open="1"] {
  background: var(--pcb-green-deep);
  border-color: var(--mustard);
}

.door-lock {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  border: 3px solid var(--rubber);
  background: radial-gradient(circle at 40% 40%, var(--metal-light), var(--rubber));
}

.door-face[data-open="1"] .door-lock {
  background: var(--mustard);
}

.door-label {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  color: var(--ticket);
}

.door-slot {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: var(--mustard);
}

.door-out {
  margin: 0.35rem 0 0;
  max-height: 6rem;
}

.flag-plate {
  margin-top: 0.45rem;
  background: var(--ticket);
  border: 2px solid var(--ok);
  padding: 0.55rem;
  outline: none;
}

.flag-label {
  margin: 0 0 0.25rem;
  font-size: 0.72rem;
  font-weight: 700;
}

.flag-plate code {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  word-break: break-all;
  color: var(--ok);
}

/* —— Service Manual drawer —— */
.manual-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(18, 18, 16, 0.55);
  z-index: calc(var(--manual-z) - 1);
}

.service-manual {
  position: fixed;
  top: 0;
  right: 0;
  width: min(440px, 100vw);
  height: 100%;
  z-index: var(--manual-z);
  background: var(--cream-abs);
  border-left: 3px solid var(--arcade-red-deep);
  box-shadow: -4px 0 0 rgba(0, 0, 0, 0.2);
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

/* Author styles override the browser's default [hidden] rule unless this is
   explicit. Keep the manual genuinely out of layout after Close/Escape. */
.service-manual[hidden],
.manual-backdrop[hidden] {
  display: none !important;
}

.manual-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  padding: 0.55rem 0.65rem;
  background: var(--arcade-red);
  color: var(--ticket);
  border-bottom: 3px solid var(--mustard);
  flex-shrink: 0;
}

.manual-title {
  margin: 0;
  font-size: 1rem;
  font-weight: 800;
  letter-spacing: 0.04em;
}

.manual-body {
  overflow: auto;
  flex: 1;
  padding: 0.35rem 0 1rem;
  -webkit-overflow-scrolling: touch;
}

.manual-sec {
  border-bottom: 1px solid var(--cream-dark);
  padding: 0.45rem 0 0.55rem;
}

.manual-sec h3 {
  margin: 0 0.65rem 0.4rem;
  font-size: 0.78rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--arcade-red-deep);
}

.abi-list {
  margin: 0 0.65rem 0.45rem;
  padding-left: 1.15rem;
  font-size: 0.8rem;
}

.abi-list code {
  font-family: var(--font-mono);
  font-size: 0.78rem;
}

.manual-inserts {
  display: flex;
  flex-wrap: wrap;
  gap: 0.3rem;
  padding: 0 0.55rem;
}

.drawer {
  background: var(--pcb-green);
  color: var(--ticket);
  border: 1px solid var(--copper);
  font-family: var(--font-mono);
  font-size: 0.68rem;
  padding: 0.35rem 0.45rem;
  cursor: pointer;
  border-radius: var(--radius);
}

.drawer.warn {
  background: var(--mustard-deep);
  color: var(--ticket);
  border-color: var(--mustard);
}

.manual-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  padding: 0 0.55rem;
  align-items: center;
}

.manual-pre {
  margin: 0.25rem 0.55rem;
  background: var(--ticket);
  color: var(--ticket-ink);
  border: 1px dashed var(--rubber-soft);
  font-family: var(--font-mono);
  font-size: 0.7rem;
  padding: 0.45rem;
  white-space: pre-wrap;
  word-break: break-word;
  max-height: 12rem;
  overflow: auto;
}

.rack-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.3rem;
  padding: 0.45rem 0.55rem;
  background: var(--rubber-soft);
  max-height: 12rem;
  overflow: auto;
  margin: 0.35rem 0.55rem 0;
}

.ticket-slot {
  background: var(--ticket);
  border: 1px solid var(--rubber);
  border-left: 4px solid var(--metal);
  font-family: var(--font-mono);
  font-size: 0.62rem;
  padding: 0.3rem 0.25rem;
  color: var(--ticket-ink);
  cursor: default;
  min-height: 3.1rem;
}

.ticket-slot[data-type="PLAY"] {
  border-left-color: var(--ok);
}

.ticket-slot[data-type="PROBE"] {
  border-left-color: var(--mustard);
  background: #fff8d8;
}

.ticket-slot[data-type="STAFF_ROM"] {
  border-left-color: var(--arcade-red);
  background: #f0e0d8;
}

.ticket-slot[data-live="0"] {
  opacity: 0.55;
}

.ticket-slot .tn {
  font-weight: 800;
  font-size: 0.75rem;
}

.ticket-slot .meta {
  display: block;
  margin-top: 0.15rem;
  line-height: 1.25;
}

/* —— Mobile: one continuous technician workflow —— */
@media (max-width: 900px) {
  .bench {
    grid-template-columns: 1fr;
    padding: 0.4rem;
    gap: 0.5rem;
  }

  .cabinet-body {
    grid-template-columns: 1fr;
  }

  .door-focus-grid {
    grid-template-columns: 1fr;
  }

  .service-manual {
    width: 100vw;
  }

  .objective-strip {
    font-size: 0.85rem;
  }

  .primary-actions .btn-metal.primary {
    flex: 1 1 auto;
  }
}

@media (prefers-reduced-motion: reduce) {
  .trace {
    transition: none;
  }
  .btn-metal:hover,
  .btn-rubber:hover {
    filter: none;
  }
  .scanlines {
    opacity: 0.25;
  }
}