:root {
  color-scheme: dark;
  --plastic-light: #ddd9cb;
  --plastic: #c5c0b1;
  --plastic-mid: #aaa596;
  --plastic-dark: #777267;
  --plastic-edge: #59554e;
  --case-ivory-highlight: #ddd2bb;
  --case-ivory-light: #d1c6ad;
  --case-ivory: #c1b69e;
  --case-ivory-mid: #b2a78f;
  --case-ivory-shadow: #9f947f;
  --case-ivory-edge: #756b5b;
  --pc-blue: #244e7f;
  --led-green: #cfff58;
  --led-amber: #ff4f75;
  --glass: #030506;
  --ink: #181915;
  --rig-width: min(94vw, 72vh, 900px);
  --rig-width: min(94vw, 72dvh, 900px);
  font-family: "Arial Narrow", "Roboto Condensed", Arial, Helvetica, sans-serif;
}

* {
  box-sizing: border-box;
}

html,
body {
  width: 100%;
  min-width: 0;
  height: 100%;
  min-height: 100%;
  margin: 0;
  overflow: hidden;
  background: #070706;
}

button {
  font: inherit;
}

button {
  -webkit-tap-highlight-color: transparent;
}

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

.dos-lab {
  position: relative;
  display: grid;
  width: 100%;
  height: 100vh;
  height: 100svh;
  min-height: 0;
  place-items: center;
  padding: max(54px, env(safe-area-inset-top)) max(12px, env(safe-area-inset-right)) max(12px, env(safe-area-inset-bottom)) max(12px, env(safe-area-inset-left));
  overflow: hidden;
  isolation: isolate;
  background:
    radial-gradient(ellipse at 50% 44%, rgba(63, 89, 97, 0.2), transparent 46%),
    linear-gradient(180deg, #111311 0, #070806 55%, #020302 100%);
}

.dos-lab,
.dos-lab * {
  user-select: none;
  -webkit-user-select: none;
  -webkit-touch-callout: none;
}

.dos-lab::before {
  position: absolute;
  inset: 0;
  z-index: -2;
  pointer-events: none;
  background:
    linear-gradient(90deg, transparent 49.85%, rgba(218, 229, 221, 0.025) 50%, transparent 50.15%),
    repeating-linear-gradient(90deg, rgba(255, 255, 255, 0.008) 0 1px, transparent 1px 8vw),
    linear-gradient(180deg, transparent 0 72%, rgba(185, 168, 134, 0.035) 72.2%, transparent 73%);
  content: "";
}

.dos-lab::after {
  position: absolute;
  right: -15%;
  bottom: -27%;
  left: -15%;
  z-index: -1;
  height: 42%;
  pointer-events: none;
  background:
    repeating-linear-gradient(96deg, rgba(255, 255, 255, 0.018) 0 1px, transparent 1px 10px),
    linear-gradient(180deg, #171611, #060705 66%, #020302);
  box-shadow: 0 -18px 46px rgba(0, 0, 0, 0.72);
  content: "";
  transform: perspective(420px) rotateX(61deg);
  transform-origin: 50% 100%;
}

.computer-rig {
  --monitor-stand-height: clamp(54px, 8vw, 90px);
  --monitor-stand-seat: clamp(44px, 6.56vw, 74px);
  position: relative;
  display: grid;
  width: var(--rig-width);
  max-width: 100%;
  min-width: 0;
  justify-items: center;
  align-content: center;
  contain: layout style;
}

/* Monitor */
.monitor-assembly {
  position: relative;
  z-index: auto;
  width: 82%;
  max-width: 740px;
  min-width: 0;
}

.monitor-shell {
  position: relative;
  z-index: 4;
  width: 100%;
  aspect-ratio: 1.09;
  padding: 8.2% 8.4% 3.2%;
  border: 1px solid #74766f;
  border-radius: 5% 5% 4% 4% / 4.5% 4.5% 5.6% 5.6%;
  background:
    radial-gradient(ellipse at 50% -10%, rgba(255, 255, 255, 0.3), transparent 52%),
    radial-gradient(ellipse at -10% 48%, rgba(255, 255, 255, 0.2), transparent 38%),
    radial-gradient(ellipse at 110% 50%, rgba(67, 64, 59, 0.24), transparent 38%),
    radial-gradient(ellipse at 50% 112%, rgba(69, 66, 61, 0.18), transparent 44%),
    repeating-linear-gradient(90deg, rgba(255, 255, 255, 0.007) 0 1px, transparent 1px 5px),
    linear-gradient(180deg, #d9dad5, #c7c8c2 62%, #b4b5af 100%);
  box-shadow:
    0 1px 0 rgba(255, 255, 255, 0.5),
    0 15px 24px rgba(0, 0, 0, 0.48),
    inset 10px 0 18px rgba(255, 255, 255, 0.13),
    inset -12px 0 18px rgba(66, 64, 59, 0.2),
    inset 0 -12px 18px rgba(69, 66, 61, 0.17),
    inset 1px 1px 0 rgba(255, 255, 255, 0.42),
    inset -2px -2px 0 rgba(77, 73, 66, 0.26);
}

.monitor-shell::before {
  position: absolute;
  top: 1.2%;
  right: 5.2%;
  left: 5.2%;
  height: 1px;
  background: rgba(255, 255, 255, 0.32);
  border-radius: 50%;
  content: "";
  pointer-events: none;
}

.monitor-face {
  display: grid;
  width: 100%;
  height: 100%;
  min-height: 0;
  grid-template-rows: minmax(0, 1fr) 19%;
  gap: 1.6%;
}

.screen-recess {
  position: relative;
  display: grid;
  min-width: 0;
  min-height: 0;
  place-items: center;
  padding: 0;
  overflow: hidden;
  border: 0;
  border-radius: 0;
  background: var(--glass);
  box-shadow: none;
}

.crt-glass {
  position: relative;
  display: block;
  width: 100%;
  height: auto;
  max-height: 100%;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  border: 0;
  border-radius: 0;
  background: var(--glass);
  box-shadow: none;
  isolation: isolate;
}

#dosScreen {
  position: absolute;
  inset: 0;
  z-index: 1;
  display: block;
  width: 100%;
  height: 100%;
  margin: 0;
  border: 0;
  border-radius: 0;
  outline: 0;
  background: #010202;
  cursor: crosshair;
  image-rendering: pixelated;
  image-rendering: crisp-edges;
  touch-action: none;
}

#dosScreen:focus,
#dosScreen:focus-visible {
  outline: 0;
}

.crt-reflection,
.crt-scanlines {
  position: absolute;
  inset: 0;
  z-index: 4;
  display: block;
  pointer-events: none;
  border-radius: 0;
}

.crt-reflection {
  background:
    linear-gradient(116deg, transparent 0 18%, rgba(198, 229, 238, 0.055) 26%, transparent 34%),
    radial-gradient(ellipse at 46% 24%, rgba(173, 210, 220, 0.04), transparent 42%);
}

.crt-scanlines {
  background: repeating-linear-gradient(0deg, transparent 0 2px, rgba(0, 0, 0, 0.22) 2px 3px);
  opacity: 0.54;
}

.monitor-chin {
  position: relative;
  display: grid;
  min-width: 0;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: end;
  gap: 4%;
  padding: 0 0.6% 0.2%;
}

.monitor-chin::before {
  position: absolute;
  top: 40%;
  right: -5.8%;
  left: -5.8%;
  height: 1px;
  background: rgba(105, 101, 93, 0.68);
  box-shadow: 0 1px rgba(255, 255, 255, 0.22);
  content: "";
}

.monitor-power small {
  font-size: clamp(0.24rem, 0.6vw, 0.48rem);
  letter-spacing: 0.06em;
}

.monitor-power {
  grid-column: 2;
  display: grid;
  grid-template-columns: auto auto;
  grid-template-rows: 1fr auto;
  align-items: center;
  justify-content: end;
  gap: 1px clamp(5px, 0.65vw, 9px);
  color: rgba(48, 48, 44, 0.62);
}

.monitor-led {
  display: block;
  width: clamp(5px, 0.72vw, 9px);
  height: clamp(2px, 0.28vw, 4px);
  border-radius: 1px;
  background: var(--led-green);
  box-shadow: 0 0 5px rgba(103, 255, 60, 0.72);
}

.monitor-power b {
  position: relative;
  display: grid;
  width: clamp(22px, 3.2vw, 34px);
  aspect-ratio: 1.48;
  place-items: center;
  border: 1px solid #7b776d;
  border-radius: 2px;
  background: linear-gradient(145deg, #d5d1c5, #a29e92);
  box-shadow: inset 0 1px rgba(255, 255, 255, 0.45), 0 1px 2px rgba(31, 30, 27, 0.28);
}

.monitor-power b span {
  width: 32%;
  aspect-ratio: 1;
  border: 1px solid #66635b;
  border-radius: 50%;
}

.monitor-power small {
  grid-column: 2;
  text-align: center;
}

.monitor-stand {
  position: absolute;
  top: 97.2%;
  left: 24%;
  z-index: 1;
  width: 52%;
  height: var(--monitor-stand-height);
  background:
    linear-gradient(100deg, rgba(255, 255, 255, 0.26), transparent 18% 75%, rgba(69, 65, 60, 0.16)),
    linear-gradient(180deg, #cbc6b9, #aaa598);
  clip-path: polygon(25% 0, 75% 0, 90% 76%, 100% 82%, 100% 100%, 0 100%, 0 82%, 10% 76%);
  filter: drop-shadow(0 8px 7px rgba(0, 0, 0, 0.42));
}

.monitor-stand span {
  position: absolute;
  right: -7%;
  bottom: 12%;
  left: -7%;
  height: 14%;
  border: 1px solid #777267;
  border-radius: 2px;
  background: linear-gradient(180deg, #cbc7ba, #908b7f);
  box-shadow: inset 0 1px rgba(255, 255, 255, 0.42);
}

/* Desktop computer */
.case-unit {
  position: relative;
  z-index: 2;
  width: 100%;
  height: auto;
  aspect-ratio: 2.62;
  min-height: 0;
  margin-top: var(--monitor-stand-seat);
  padding: clamp(7px, 1vw, 12px);
  border: 1px solid var(--case-ivory-edge);
  border-radius: 2px 2px 4px 4px;
  background:
    repeating-linear-gradient(90deg, rgba(255, 255, 255, 0.012) 0 1px, transparent 1px 7px),
    linear-gradient(180deg, var(--case-ivory-highlight), var(--case-ivory) 56%, var(--case-ivory-shadow) 100%);
  box-shadow:
    0 13px 20px rgba(0, 0, 0, 0.54),
    inset 1px 1px rgba(255, 255, 255, 0.5),
    inset -2px -2px rgba(74, 70, 64, 0.25);
}

.case-top {
  position: absolute;
  right: 1.6%;
  bottom: 100%;
  left: 1.6%;
  height: clamp(5px, 0.75vw, 9px);
  border: 1px solid rgba(117, 107, 91, 0.78);
  border-bottom: 0;
  background: linear-gradient(180deg, var(--case-ivory-highlight), var(--case-ivory));
  clip-path: polygon(1% 0, 99% 0, 100% 100%, 0 100%);
}

.case-front {
  display: grid;
  width: 100%;
  height: 100%;
  min-height: 0;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 1.13fr) minmax(24px, 0.27fr);
  grid-template-rows: minmax(0, 1fr) 13.5%;
  column-gap: clamp(4px, 0.65vw, 8px);
  row-gap: clamp(2px, 0.3vw, 4px);
}

.identity-panel,
.drive-stack,
.drive-floppy-vertical {
  min-width: 0;
  min-height: 0;
  border: 1px solid rgba(103, 98, 89, 0.52);
  background: rgba(139, 129, 109, 0.2);
  box-shadow: inset 0 1px 3px rgba(75, 72, 66, 0.22), 0 1px rgba(255, 255, 255, 0.28);
}

.identity-panel {
  display: grid;
  grid-template-rows: minmax(0, 0.5fr) minmax(0, 1.5fr);
  gap: clamp(3px, 0.38vw, 5px);
  padding: clamp(3px, 0.45vw, 6px) 0 0;
  border: 0;
  background: transparent;
  box-shadow: none;
}

.model-badge {
  display: grid;
  min-width: 0;
  grid-template-columns: minmax(0, 1fr);
  align-items: center;
  gap: clamp(4px, 0.6vw, 8px);
  padding: 2px 5.5%;
  overflow: hidden;
  border: 1px solid rgba(82, 93, 99, 0.46);
  background:
    linear-gradient(112deg, rgba(255, 255, 255, 0.17), transparent 34%),
    linear-gradient(180deg, #315f9e, #244b84 78%, #1d3f70);
  color: rgba(236, 235, 216, 0.96);
  box-shadow:
    inset 0 1px rgba(255, 255, 255, 0.28),
    inset 0 -1px rgba(18, 34, 58, 0.72),
    0 1px rgba(255, 255, 255, 0.22);
}

.model-badge p {
  display: grid;
  justify-items: center;
  margin: 0;
  overflow: hidden;
  font-family: "Arial Narrow", Arial, sans-serif;
  padding: 0;
  line-height: 1;
  text-align: center;
  text-overflow: clip;
  white-space: nowrap;
}

.model-badge p b {
  font-size: clamp(9px, 1.05vw, 15px);
  font-weight: 900;
  letter-spacing: 0.14em;
  text-shadow: 0 1px rgba(11, 26, 49, 0.48);
}

.system-controls {
  display: grid;
  min-width: 0;
  min-height: 0;
  width: 86%;
  justify-self: end;
  grid-template-columns: minmax(34px, 42fr) minmax(31px, 29fr) minmax(31px, 29fr);
  grid-template-rows: minmax(0, 43fr) minmax(0, 28fr) minmax(0, 29fr);
  gap: 0;
  padding: 0;
  border: 1px solid rgba(80, 75, 66, 0.76);
  background: var(--case-ivory-mid);
  box-shadow:
    inset 1px 1px rgba(255, 255, 255, 0.36),
    0 1px rgba(255, 255, 255, 0.2);
}

.case-switch,
.speed-display,
.case-lights,
.round-lock,
.case-button {
  position: relative;
  display: grid;
  min-width: 0;
  place-items: center;
  color: rgba(35, 34, 30, 0.9);
  background: linear-gradient(145deg, var(--case-ivory-highlight), var(--case-ivory-mid));
  box-shadow:
    inset 1px 1px rgba(255, 255, 255, 0.38),
    inset -1px -1px rgba(76, 70, 60, 0.18);
}

.case-switch {
  grid-template-columns: minmax(0, 1fr);
  place-items: center;
  padding: clamp(2px, 0.28vw, 4px);
}

.case-switch { grid-column: 1; grid-row: 1; }
.speed-display { grid-column: 2 / 4; grid-row: 1; }
.case-lights { grid-column: 2 / 4; grid-row: 2; }
.round-lock { grid-column: 1; grid-row: 2 / 4; }
.turbo-button { grid-column: 2; grid-row: 3; }
.reset-button { grid-column: 3; grid-row: 3; }

.case-switch,
.speed-display,
.case-lights {
  border-bottom: 1px solid rgba(80, 75, 66, 0.62);
}

.case-switch,
.round-lock,
.turbo-button {
  border-right: 1px solid rgba(80, 75, 66, 0.62);
}

.case-switch i {
  position: relative;
  display: grid;
  width: 78%;
  max-width: 42px;
  aspect-ratio: 1.55;
  place-items: center;
  border: 1px solid #8e8471;
  border-radius: 3px;
  background:
    linear-gradient(150deg, rgba(255, 255, 255, 0.42), transparent 38%),
    linear-gradient(180deg, var(--case-ivory-highlight), var(--case-ivory-mid) 82%);
  box-shadow:
    inset 0 1px rgba(255, 255, 255, 0.56),
    inset 0 -2px 2px rgba(79, 71, 59, 0.12),
    0 1px 2px rgba(45, 41, 35, 0.28);
}

.case-switch i b {
  color: #9b4544;
  font: 700 clamp(5px, 0.58vw, 8px)/1 Arial, sans-serif;
  letter-spacing: 0.015em;
  text-shadow: 0 1px rgba(255, 255, 255, 0.48);
}

.case-switch-legend {
  position: absolute;
  top: 50%;
  right: clamp(2px, 0.3vw, 4px);
  display: grid;
  height: 76%;
  align-content: space-between;
  justify-items: center;
  color: rgba(28, 28, 25, 0.92);
  transform: translateY(-50%);
}

.case-switch-legend b {
  position: relative;
  font: 900 clamp(5px, 0.48vw, 7px)/1 Arial, sans-serif;
}

.case-switch-legend b:first-child::before,
.case-switch-legend b:last-child::after {
  position: absolute;
  left: 50%;
  width: clamp(4px, 0.45vw, 6px);
  height: 2px;
  background: currentColor;
  content: "";
  transform: translateX(-50%);
}

.case-switch-legend b:first-child::before {
  top: -3px;
}

.case-switch-legend b:last-child::after {
  bottom: -3px;
}

.speed-display {
  grid-template-columns: auto auto;
  width: 100%;
  place-content: center;
  place-items: center;
  gap: clamp(3px, 0.48vw, 7px);
  padding: clamp(2px, 0.28vw, 4px);
  border-top: 0;
  border-right: 0;
  border-left: 0;
}

.segment-readout {
  display: flex;
  align-items: center;
  gap: clamp(1px, 0.18vw, 3px);
  padding: clamp(2px, 0.3vw, 4px) clamp(3px, 0.42vw, 6px);
  border: 1px solid rgba(63, 67, 68, 0.82);
  border-radius: 1px;
  background: linear-gradient(180deg, #70777a, #565d61 82%);
  box-shadow:
    inset 0 1px 3px rgba(18, 22, 21, 0.56),
    inset 0 -1px rgba(220, 217, 199, 0.1),
    0 1px rgba(255, 255, 255, 0.28);
}

.segment-digit {
  position: relative;
  display: block;
  width: clamp(11px, 1.55vw, 23px);
  aspect-ratio: 0.56;
}

.segment-digit i {
  position: absolute;
  display: block;
  background: rgba(151, 175, 75, 0.15);
}

.segment-digit .seg-a,
.segment-digit .seg-g,
.segment-digit .seg-d {
  right: 18%;
  left: 18%;
  height: 10%;
  clip-path: polygon(9% 0, 91% 0, 100% 50%, 91% 100%, 9% 100%, 0 50%);
}

.segment-digit .seg-a { top: 0; }
.segment-digit .seg-g { top: 45%; }
.segment-digit .seg-d { bottom: 0; }

.segment-digit .seg-b,
.segment-digit .seg-c,
.segment-digit .seg-e,
.segment-digit .seg-f {
  width: 16%;
  height: 38%;
  clip-path: polygon(50% 0, 100% 10%, 100% 90%, 50% 100%, 0 90%, 0 10%);
}

.segment-digit .seg-b { top: 7%; right: 0; }
.segment-digit .seg-c { right: 0; bottom: 7%; }
.segment-digit .seg-e { bottom: 7%; left: 0; }
.segment-digit .seg-f { top: 7%; left: 0; }

.segment-digit .seg-dot {
  display: none;
}

.digit-4 .seg-b,
.digit-4 .seg-c,
.digit-4 .seg-f,
.digit-4 .seg-g,
.digit-2 .seg-a,
.digit-2 .seg-b,
.digit-2 .seg-d,
.digit-2 .seg-e,
.digit-2 .seg-g,
.digit-0 .seg-a,
.digit-0 .seg-b,
.digit-0 .seg-c,
.digit-0 .seg-d,
.digit-0 .seg-e,
.digit-0 .seg-f {
  background: var(--led-green);
  box-shadow:
    0 0 2px rgba(188, 255, 77, 0.9),
    0 0 5px rgba(143, 224, 49, 0.42),
    inset 0 1px rgba(247, 255, 183, 0.58);
}

.speed-display small {
  align-self: center;
  padding: 0;
  color: rgba(37, 38, 34, 0.92);
  color: rgba(29, 30, 28, 0.98);
  font-size: clamp(7px, 1.15vw, 17px);
  font-weight: 900;
  letter-spacing: -0.045em;
  text-shadow: 0 1px rgba(255, 255, 255, 0.32);
}

.case-lights {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  justify-items: stretch;
  padding: 0;
}

.case-light {
  display: grid;
  min-width: 0;
  grid-template-columns: auto auto;
  align-items: center;
  justify-content: center;
  gap: clamp(3px, 0.38vw, 5px);
  padding: 1px clamp(3px, 0.4vw, 6px);
}

.case-lights i {
  width: clamp(8px, 1.05vw, 15px);
  height: clamp(2px, 0.28vw, 4px);
  border-radius: 1px;
}

.case-lights .is-green {
  background: linear-gradient(180deg, #e4ff83, var(--led-green) 42%, #89d83c);
  box-shadow:
    0 0 3px rgba(183, 255, 72, 0.92),
    0 0 6px rgba(126, 224, 47, 0.38),
    inset 0 0 1px rgba(248, 255, 197, 0.78);
}

.case-lights .is-amber {
  background: #5f6a49;
  box-shadow: inset 0 0 1px #303724;
}

.round-lock,
.case-button {
  gap: clamp(2px, 0.28vw, 4px);
}

.round-lock {
  grid-template-columns: 1fr;
  grid-template-rows: auto minmax(0, 1fr);
  justify-items: center;
  padding: clamp(2px, 0.26vw, 4px);
}

.round-lock small {
  order: -1;
  display: flex;
  width: 100%;
  justify-content: space-between;
  gap: 2px;
  letter-spacing: -0.055em;
  text-align: left;
}

.case-button {
  grid-template-columns: auto auto;
  grid-template-rows: 1fr;
  align-items: center;
  justify-content: center;
  justify-items: start;
  gap: clamp(2px, 0.3vw, 5px);
  min-width: 0;
  margin: 0;
  padding: clamp(1px, 0.2vw, 3px);
  appearance: none;
  border: 0;
  border-radius: 0;
  background: linear-gradient(145deg, var(--case-ivory-highlight), var(--case-ivory-mid));
  cursor: pointer;
  touch-action: manipulation;
}

.case-button.turbo-button {
  border-right: 1px solid rgba(80, 75, 66, 0.62);
}

.round-lock i {
  position: relative;
  width: clamp(15px, 2.05vw, 28px);
  aspect-ratio: 1;
  border: 1px solid #5c5b57;
  border-radius: 50%;
  background:
    radial-gradient(circle at 47% 44%, #171818 0 15%, #b9bbb5 17% 29%, #6c6e6a 31% 43%, #d4d5ce 45% 55%, #555650 58% 68%, #aaa9a1 70% 100%);
  box-shadow:
    inset 0 1px 2px rgba(255, 255, 255, 0.48),
    0 1px 2px rgba(44, 41, 36, 0.4);
}

.round-lock i::before {
  position: absolute;
  top: 42%;
  left: 50%;
  width: 34%;
  height: 11%;
  border-radius: 1px;
  background: #1b1c1a;
  content: "";
  transform: translate(-50%, -50%) rotate(13deg);
}

.round-lock i::after {
  position: absolute;
  top: 52%;
  left: 50%;
  width: 11%;
  aspect-ratio: 1;
  border-radius: 50%;
  background: #8a2025;
  box-shadow: 0 0 0 1px rgba(15, 15, 14, 0.42);
  content: "";
  transform: translate(-50%, -50%);
}

.case-button i {
  width: clamp(13px, 1.7vw, 23px);
  height: auto;
  aspect-ratio: 1;
  border: 1px solid #847a68;
  border-radius: 3px;
  background:
    linear-gradient(145deg, rgba(255, 255, 255, 0.34), transparent 42%),
    linear-gradient(180deg, var(--case-ivory-light), var(--case-ivory-shadow));
  box-shadow:
    inset 0 1px rgba(255, 255, 255, 0.44),
    inset 0 -2px 2px rgba(67, 60, 50, 0.12),
    0 1px 1px rgba(47, 43, 37, 0.28);
  transition: transform 90ms ease, background 90ms ease, box-shadow 90ms ease;
}

.case-button:hover i {
  background:
    linear-gradient(145deg, rgba(255, 255, 255, 0.4), transparent 42%),
    linear-gradient(180deg, var(--case-ivory-highlight), var(--case-ivory-mid));
}

.case-button:active i,
.case-button.is-resetting i,
.turbo-button[aria-pressed="true"] i {
  background: linear-gradient(180deg, var(--case-ivory-shadow), var(--case-ivory));
  box-shadow: inset 0 2px 3px rgba(48, 46, 42, 0.36), 0 1px rgba(255, 255, 255, 0.18);
  transform: translateY(1px);
}

.case-button:focus-visible {
  outline: 2px solid #263421;
  outline-offset: -2px;
}

.case-button:focus-visible i {
  box-shadow: inset 0 0 0 1px rgba(224, 234, 218, 0.72), 0 0 3px rgba(181, 207, 163, 0.62);
}

.case-button:disabled {
  cursor: wait;
}

.system-controls small {
  overflow: hidden;
  color: rgba(36, 36, 32, 0.9);
  font-family: "Arial Narrow", Arial, sans-serif;
  font-size: clamp(5px, 0.52vw, 7px);
  font-weight: 700;
  letter-spacing: 0.015em;
  line-height: 1;
  text-shadow: 0 1px rgba(255, 255, 255, 0.38);
  white-space: nowrap;
}

.drive-stack {
  display: grid;
  grid-template-rows: repeat(2, minmax(0, 1fr));
  gap: 0;
  padding: 0;
  overflow: hidden;
}

.drive {
  position: relative;
  min-width: 0;
  min-height: 0;
  overflow: hidden;
  border: 0;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.22), transparent 38%),
    var(--case-ivory);
  box-shadow: inset 0 -2px 3px rgba(66, 63, 58, 0.24);
}

.drive-cdrom {
  display: block;
  padding: 0;
  border-bottom: 1px solid #7f7a70;
}

.cdrom-tray {
  position: absolute;
  top: 9%;
  right: 3%;
  left: 3%;
  display: block;
  height: 59%;
  border: 1px solid #77736a;
  border-radius: 1px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.22), transparent 24%),
    linear-gradient(180deg, var(--case-ivory-light), var(--case-ivory-mid));
  box-shadow:
    inset 0 2px 3px rgba(65, 62, 57, 0.34),
    0 1px rgba(255, 255, 255, 0.24);
}

.cdrom-tray::before {
  position: absolute;
  inset: 10% 2% 12%;
  border: 1px solid rgba(102, 98, 89, 0.7);
  border-radius: 1px;
  background: linear-gradient(180deg, var(--case-ivory), var(--case-ivory-mid));
  box-shadow: inset 0 1px rgba(255, 255, 255, 0.3);
  content: "";
}

.cdrom-tray i {
  position: absolute;
  right: 38%;
  bottom: 7%;
  left: 38%;
  height: 2px;
  border-radius: 1px;
  background: rgba(71, 69, 64, 0.66);
}

.cdrom-jack {
  position: absolute;
  bottom: 7%;
  left: 45%;
  width: clamp(4px, 0.55vw, 7px);
  aspect-ratio: 1;
  border: 1px solid #6f6c64;
  border-radius: 50%;
  background: radial-gradient(circle, #32332f 0 38%, #8f8b81 42% 66%, #58564f 70%);
}

.cdrom-eject {
  position: absolute;
  right: 5%;
  bottom: 6%;
  width: 11%;
  height: 15%;
  border: 1px solid #77736a;
  border-radius: 1px;
  background: linear-gradient(180deg, var(--case-ivory-light), var(--case-ivory-shadow));
  box-shadow: inset 0 1px rgba(255, 255, 255, 0.32);
}

.cdrom-eject::before {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  color: rgba(64, 62, 57, 0.68);
  content: "▲";
  font: 700 clamp(3px, 0.34vw, 5px)/1 Arial, sans-serif;
  transform: scaleY(0.7);
}

.cdrom-led {
  position: absolute;
  right: 19%;
  bottom: 10%;
  width: 5%;
  height: 2px;
  border-radius: 1px;
  background: #42694e;
  box-shadow: inset 0 0 1px #24382a;
}

.drive-hdd {
  display: block;
  padding: 0;
}

.hdd-carrier {
  position: absolute;
  top: 7%;
  right: 3%;
  bottom: 7%;
  left: 3%;
  display: block;
  overflow: hidden;
  border: 1px solid #777269;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.28), transparent 28%),
    linear-gradient(180deg, var(--case-ivory-light), var(--case-ivory-mid));
  box-shadow:
    inset 0 2px 3px rgba(58, 56, 51, 0.34),
    0 1px rgba(255, 255, 255, 0.25);
}

.hdd-carrier::before {
  position: absolute;
  top: 7%;
  right: 19%;
  bottom: 7%;
  left: 3%;
  border-right: 1px solid rgba(99, 95, 87, 0.74);
  background: linear-gradient(90deg, rgba(255, 255, 255, 0.1), transparent 17% 83%, rgba(74, 71, 66, 0.08));
  content: "";
}

.hdd-carrier i {
  position: absolute;
  right: 26%;
  bottom: -19%;
  left: 12%;
  height: 72%;
  border: 1px solid #6b6860;
  border-bottom: 0;
  border-radius: 50% 50% 0 0 / 92% 92% 0 0;
  background:
    linear-gradient(180deg, rgba(77, 71, 61, 0.56), rgba(145, 135, 115, 0.7) 28%, var(--case-ivory) 52%);
  box-shadow:
    inset 0 4px 5px rgba(48, 46, 43, 0.4),
    0 -1px rgba(255, 255, 255, 0.32);
}

.hdd-release {
  position: absolute;
  z-index: 1;
  top: 17%;
  left: 7%;
  width: 9%;
  height: 17%;
  border: 1px solid #77736a;
  border-radius: 1px;
  background: linear-gradient(180deg, var(--case-ivory-light), var(--case-ivory-shadow));
  box-shadow: inset 0 1px rgba(255, 255, 255, 0.32);
}

.hdd-lock {
  position: absolute;
  z-index: 1;
  top: 10%;
  right: 4.3%;
  bottom: 10%;
  width: 14%;
  border-left: 1px solid rgba(103, 99, 91, 0.72);
  background: linear-gradient(90deg, rgba(94, 91, 84, 0.08), rgba(255, 255, 255, 0.08));
}

.hdd-lock i {
  position: absolute;
  top: 13%;
  left: 50%;
  width: clamp(7px, 1.05vw, 13px);
  aspect-ratio: 1;
  border: 1px solid #66645d;
  border-radius: 50%;
  background: radial-gradient(circle, #474641 0 25%, #a39f94 29% 58%, #5c5a54 62%);
  box-shadow: inset 0 1px 2px rgba(35, 34, 32, 0.45);
  transform: translateX(-50%);
}

.hdd-lock i::after {
  position: absolute;
  top: 27%;
  bottom: 27%;
  left: 47%;
  width: 1px;
  background: #272824;
  content: "";
  transform: rotate(24deg);
}

.hdd-led {
  position: absolute;
  z-index: 2;
  right: 8.7%;
  bottom: 14%;
  width: 4%;
  height: 2px;
  border-radius: 1px;
  background: #e84650;
  box-shadow:
    0 0 4px rgba(232, 70, 80, 0.82),
    inset 0 0 1px rgba(255, 224, 228, 0.72);
}

.drive-floppy-vertical {
  position: relative;
  display: block;
  align-self: stretch;
  height: auto;
  overflow: hidden;
  padding: 0;
  background:
    linear-gradient(90deg, rgba(61, 55, 47, 0.14), rgba(255, 255, 255, 0.17) 13% 78%, rgba(63, 57, 48, 0.16)),
    var(--case-ivory);
  box-shadow:
    inset 2px 0 3px rgba(61, 55, 47, 0.25),
    inset -1px 0 rgba(255, 255, 255, 0.28),
    0 1px rgba(255, 255, 255, 0.28);
}

.drive-floppy-vertical::before {
  content: none;
}

.floppy-vertical-illustration {
  position: absolute;
  top: 50%;
  right: auto;
  bottom: auto;
  left: 50%;
  width: auto;
  height: 80%;
  display: block;
  filter: drop-shadow(1px 1px 1px rgba(48, 43, 36, 0.25));
  shape-rendering: geometricPrecision;
  transform: translate(-50%, -50%);
}

.floppy-vertical-illustration * {
  vector-effect: non-scaling-stroke;
}

.case-vent {
  position: relative;
  grid-column: 1 / -1;
  min-height: 0;
  overflow: hidden;
  border: 1px solid rgba(91, 87, 79, 0.34);
  background-color: var(--case-ivory-mid);
  box-shadow: inset 0 2px 3px rgba(26, 26, 23, 0.36), inset 0 -1px rgba(255, 255, 255, 0.26);
}

.case-vent::before {
  position: absolute;
  inset: 12% 7%;
  background: repeating-linear-gradient(108deg, transparent 0 7px, rgba(52, 52, 48, 0.76) 7px 9px, transparent 9px 10px);
  content: "";
}

.doom-touch-controls {
  display: none;
}

.emulator-attribution,
.noscript-note {
  position: fixed;
  right: 0;
  bottom: max(8px, env(safe-area-inset-bottom));
  left: 0;
  z-index: 10;
  margin: 0;
  color: rgba(204, 210, 199, 0.46);
  font: 400 clamp(0.42rem, 0.65vw, 0.58rem)/1 "Courier New", ui-monospace, monospace;
  letter-spacing: 0.12em;
  text-align: center;
  text-transform: uppercase;
}

.emulator-attribution a {
  border-bottom: 1px solid rgba(204, 210, 199, 0.28);
  color: inherit;
  text-decoration: none;
}

.emulator-attribution a:hover,
.emulator-attribution a:focus-visible {
  border-color: rgba(204, 210, 199, 0.7);
  color: rgba(224, 232, 217, 0.78);
}

.emulator-attribution a:focus-visible {
  outline: 1px solid rgba(204, 210, 199, 0.5);
  outline-offset: 3px;
}

.noscript-note {
  bottom: auto;
  top: 50%;
  color: #ffd5b6;
  pointer-events: none;
}

/* Classic 1366 x 768 and similarly short desktop windows */
@media (max-height: 820px) and (min-height: 521px) {
  :root {
    --rig-width: min(94vw, 70vh, 900px);
    --rig-width: min(94vw, 70dvh, 900px);
  }

  .case-unit {
    margin-top: var(--monitor-stand-seat);
  }
}

/* Phone portrait */
@media (max-width: 620px) and (min-height: 521px) {
  :root {
    --rig-width: min(96vw, 68vh, 410px);
    --rig-width: min(96vw, 68dvh, 410px);
  }

  .dos-lab {
    align-items: center;
    padding-top: max(58px, env(safe-area-inset-top));
    padding-right: max(8px, env(safe-area-inset-right));
    padding-bottom: max(20px, env(safe-area-inset-bottom));
    padding-left: max(8px, env(safe-area-inset-left));
  }

  .computer-rig {
    transform: translateY(-1.5vh);
  }

  .monitor-assembly {
    width: 84%;
  }

  .monitor-shell {
    padding: 8% 8.2% 3.2%;
  }

  .monitor-chin {
    grid-template-columns: minmax(0, 1fr) auto;
  }

  .case-unit {
    margin-top: var(--monitor-stand-seat);
    padding: 6px;
  }

  .case-front {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 1.13fr) minmax(25px, 0.27fr);
    grid-template-rows: minmax(0, 1fr) 13.5%;
    column-gap: 4px;
    row-gap: 2px;
  }

  .identity-panel {
    gap: 3px;
    padding: 3px;
  }

  .drive-stack {
    gap: 0;
    padding: 0;
  }

  .system-controls {
    grid-template-columns: minmax(29px, 42fr) minmax(25px, 29fr) minmax(25px, 29fr);
  }

  .drive small {
    display: none;
  }

  .emulator-attribution {
    bottom: max(6px, env(safe-area-inset-bottom));
    font-size: 0.42rem;
  }
}

@media (any-pointer: coarse) {
  .dos-lab {
    --doom-stick-size: clamp(132px, 36vw, 180px);
    --doom-actions-width: clamp(154px, 44vw, 230px);
    --doom-panel-height: clamp(136px, 38vw, 180px);
  }

  .computer-rig {
    transform: none;
  }

  .doom-touch-controls {
    position: absolute;
    right: max(8px, env(safe-area-inset-right));
    bottom: max(18px, calc(env(safe-area-inset-bottom) + 12px));
    left: max(8px, env(safe-area-inset-left));
    z-index: 5;
    display: grid;
    width: auto;
    max-width: 900px;
    height: var(--doom-panel-height);
    margin-inline: auto;
    min-width: 0;
    grid-template-columns: var(--doom-stick-size) var(--doom-actions-width);
    align-items: center;
    justify-content: space-between;
    gap: 0;
    pointer-events: none;
  }

  .doom-touch-stick,
  .doom-touch-actions {
    min-width: 0;
    min-height: 0;
  }

  .doom-touch-stick {
    --doom-stick-x: 0px;
    --doom-stick-y: 0px;
    position: relative;
    display: block;
    width: var(--doom-stick-size);
    height: var(--doom-stick-size);
    align-self: center;
    margin: 0;
    padding: 0;
    appearance: none;
    -webkit-appearance: none;
    overflow: hidden;
    border: 1px solid rgba(91, 131, 147, 0.7);
    border-radius: 50%;
    background:
      radial-gradient(circle, transparent 0 58%, rgba(123, 163, 174, 0.16) 59% 60%, transparent 61%),
      linear-gradient(145deg, rgba(44, 58, 60, 0.82), rgba(7, 13, 15, 0.88));
    box-shadow:
      inset 0 4px 11px rgba(0, 0, 0, 0.56),
      inset 0 -1px rgba(229, 248, 239, 0.13),
      0 1px 3px rgba(0, 0, 0, 0.36);
    -webkit-tap-highlight-color: transparent;
    touch-action: none;
    user-select: none;
    -webkit-user-select: none;
    -webkit-touch-callout: none;
    -webkit-user-drag: none;
    pointer-events: auto;
  }

  .doom-touch-stick-gate {
    position: absolute;
    inset: 8%;
    border: 1px solid rgba(140, 181, 187, 0.19);
    border-radius: 50%;
    background: radial-gradient(circle, rgba(3, 8, 9, 0.56), rgba(18, 29, 31, 0.22) 58%, rgba(120, 151, 151, 0.08));
    box-shadow: inset 0 2px 7px rgba(0, 0, 0, 0.5);
    pointer-events: none;
  }

  .doom-touch-stick,
  .doom-touch-stick * {
    -webkit-user-drag: none;
  }

  .doom-touch-stick-knob {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 43%;
    aspect-ratio: 1;
    border: 1px solid rgba(167, 206, 203, 0.52);
    border-radius: 50%;
    background:
      radial-gradient(circle at 38% 32%, rgba(232, 251, 238, 0.22), transparent 28%),
      radial-gradient(circle, #405558 0 19%, #26383b 20% 53%, #122023 54% 100%);
    box-shadow:
      inset 0 2px 3px rgba(231, 255, 247, 0.14),
      inset 0 -5px 8px rgba(0, 0, 0, 0.42),
      0 5px 9px rgba(0, 0, 0, 0.48);
    transform: translate(
      calc(-50% + var(--doom-stick-x)),
      calc(-50% + var(--doom-stick-y))
    );
    pointer-events: none;
  }

  .doom-touch-stick:not(.is-active) .doom-touch-stick-knob {
    transition: transform 110ms cubic-bezier(0.2, 0.9, 0.35, 1.15);
  }

  .doom-touch-stick.is-active {
    border-color: rgba(153, 226, 204, 0.84);
    box-shadow:
      inset 0 4px 11px rgba(0, 0, 0, 0.58),
      inset 0 -1px rgba(229, 248, 239, 0.18),
      0 0 10px rgba(92, 255, 193, 0.17);
  }

  .doom-touch-stick.is-active .doom-touch-stick-knob {
    border-color: rgba(191, 247, 220, 0.86);
    box-shadow:
      inset 0 2px 3px rgba(231, 255, 247, 0.2),
      inset 0 -5px 8px rgba(0, 0, 0, 0.42),
      0 0 10px rgba(89, 255, 187, 0.22),
      0 5px 9px rgba(0, 0, 0, 0.48);
  }

  .doom-touch-actions {
    display: grid;
    width: var(--doom-actions-width);
    height: 100%;
    align-self: stretch;
    justify-self: end;
    grid-template-columns: repeat(3, minmax(44px, 1fr));
    grid-template-rows: 44px minmax(70px, 1fr);
    gap: clamp(3px, 0.9vw, 5px);
    pointer-events: none;
  }

  .doom-touch-key {
    display: grid;
    min-width: 0;
    min-height: 0;
    place-items: center;
    margin: 0;
    padding: 0;
    appearance: none;
    border: 1px solid rgba(81, 123, 145, 0.72);
    border-radius: 3px;
    background:
      linear-gradient(180deg, rgba(48, 64, 67, 0.74), rgba(10, 17, 19, 0.78)),
      rgba(8, 13, 14, 0.72);
    box-shadow:
      inset 0 1px rgba(223, 244, 238, 0.18),
      inset 0 -2px 3px rgba(0, 0, 0, 0.36),
      0 1px 2px rgba(0, 0, 0, 0.34);
    color: rgba(226, 242, 236, 0.9);
    font: 900 clamp(0.5rem, 1.85vw, 0.62rem)/1 "Arial Narrow", Arial, sans-serif;
    letter-spacing: 0.06em;
    text-align: center;
    text-shadow: 0 1px 2px #000;
    -webkit-tap-highlight-color: transparent;
    touch-action: none;
    user-select: none;
    -webkit-user-select: none;
    -webkit-touch-callout: none;
    pointer-events: auto;
    transition: transform 70ms ease, border-color 70ms ease, background 70ms ease, box-shadow 70ms ease;
  }

  .doom-touch-key--strafe {
    border-color: rgba(116, 145, 118, 0.68);
    background:
      linear-gradient(180deg, rgba(84, 97, 75, 0.68), rgba(19, 27, 21, 0.8)),
      rgba(12, 18, 14, 0.76);
    color: rgba(224, 241, 202, 0.9);
    font-size: clamp(0.4rem, 1.8vw, 0.58rem);
  }

  .doom-touch-key--menu { grid-area: 1 / 1; }
  .doom-touch-key--run { grid-area: 1 / 2; }
  .doom-touch-key--strafe { grid-area: 1 / 3; }
  .doom-touch-key--use { grid-area: 2 / 1; }
  .doom-touch-key--fire { grid-area: 2 / 2 / 3 / 4; }

  .doom-touch-key--use {
    gap: 2px;
  }

  .doom-touch-key--use small {
    display: block;
    font-size: 0.62em;
    letter-spacing: 0.08em;
    opacity: 0.62;
  }

  .doom-touch-key--fire {
    border-color: rgba(255, 98, 105, 0.78);
    border-radius: 9px;
    background:
      radial-gradient(circle at 42% 34%, rgba(255, 190, 170, 0.24), transparent 36%),
      linear-gradient(180deg, rgba(151, 54, 58, 0.82), rgba(72, 18, 25, 0.86));
    box-shadow:
      inset 0 1px rgba(255, 225, 211, 0.25),
      inset 0 -5px 9px rgba(31, 3, 8, 0.42),
      0 0 8px rgba(255, 68, 79, 0.16);
    color: #ffe6d9;
    font-size: clamp(0.7rem, 3.4vw, 1rem);
    letter-spacing: 0.12em;
  }

  .doom-touch-key.is-active,
  .doom-touch-key[aria-pressed="true"] {
    border-color: rgba(192, 246, 217, 0.94);
    background:
      linear-gradient(180deg, rgba(42, 93, 76, 0.9), rgba(7, 36, 31, 0.94)),
      rgba(7, 28, 25, 0.9);
    box-shadow:
      inset 0 3px 6px rgba(0, 0, 0, 0.48),
      0 0 8px rgba(96, 255, 188, 0.25);
    color: #f2fff8;
    transform: translateY(1px) scale(0.97);
  }

  .doom-touch-key--fire.is-active {
    border-color: rgba(255, 211, 180, 0.96);
    background:
      radial-gradient(circle at 50% 45%, rgba(255, 225, 174, 0.5), transparent 38%),
      linear-gradient(180deg, rgba(225, 80, 61, 0.94), rgba(122, 24, 29, 0.96));
    box-shadow:
      inset 0 4px 9px rgba(67, 5, 7, 0.5),
      0 0 14px rgba(255, 77, 61, 0.42);
  }

  .doom-touch-key:focus-visible,
  .doom-touch-stick:focus-visible {
    position: relative;
    z-index: 2;
    outline: 2px solid #e9fff8;
    outline-offset: -3px;
  }

  .doom-touch-key:disabled {
    opacity: 0.34;
    filter: saturate(0.35);
    pointer-events: none;
  }

  .doom-touch-stick:disabled {
    opacity: 0.34;
    filter: saturate(0.35);
    pointer-events: none;
  }
}

@media (any-pointer: coarse) and (orientation: portrait) {
  .dos-lab {
    align-items: safe end;
    padding-bottom: max(
      calc(var(--doom-panel-height) + 28px),
      calc(var(--doom-panel-height) + env(safe-area-inset-bottom) + 22px)
    );
  }
}

/* Short landscape viewports, including 844 x 390 */
@media (max-height: 520px) and (orientation: landscape) {
  :root {
    --rig-width: min(92vw, 84vh, 780px);
    --rig-width: min(92vw, 84dvh, 780px);
  }

  .dos-lab {
    place-items: start center;
    padding: max(3px, env(safe-area-inset-top)) max(8px, env(safe-area-inset-right)) max(3px, env(safe-area-inset-bottom)) max(8px, env(safe-area-inset-left));
  }

  .computer-rig {
    height: 100%;
    align-content: center;
  }

  .monitor-assembly {
    width: 78%;
    max-width: none;
  }

  .monitor-shell {
    box-shadow:
      0 1px 0 rgba(255, 255, 255, 0.45),
      0 8px 14px rgba(0, 0, 0, 0.42),
      inset 1px 1px 0 rgba(255, 255, 255, 0.38),
      inset -2px -2px 0 rgba(77, 73, 66, 0.24);
  }

  .monitor-stand {
    height: 34px;
  }

  .case-unit {
    margin-top: 7px;
    padding: 4px;
  }

  .case-top {
    height: 4px;
  }

  .case-front {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 1.13fr) minmax(22px, 0.27fr);
    grid-template-rows: minmax(0, 1fr) 13.5%;
    column-gap: 3px;
    row-gap: 2px;
  }

  .identity-panel {
    gap: 2px;
    padding: 2px;
  }

  .drive-stack {
    gap: 0;
    padding: 0;
  }

  .identity-panel {
    grid-template-rows: minmax(0, 0.5fr) minmax(0, 1.5fr);
  }

  .system-controls {
    grid-template-columns: minmax(25px, 42fr) minmax(21px, 29fr) minmax(21px, 29fr);
    padding: 1px;
  }

  .drive small {
    display: none;
  }

  .speed-display small {
    display: block;
  }

  .drive-stack {
    grid-template-rows: repeat(2, minmax(0, 1fr));
  }

  .drive-cdrom,
  .drive-hdd {
    min-height: 0;
  }

  .drive-floppy-vertical {
    padding: 0;
  }

  .emulator-attribution {
    display: none;
  }

}

@media (max-width: 620px) and (min-height: 521px),
       (max-height: 520px) and (orientation: landscape) {
  .case-button {
    grid-template-columns: auto auto;
    grid-template-rows: 1fr;
    justify-items: start;
    gap: 2px;
    padding: 0;
  }

  .case-button small {
    display: block;
    font-size: 5px;
  }
}

@media (any-pointer: coarse) and (orientation: landscape) {
  .dos-lab {
    --doom-stick-size: clamp(108px, 28dvh, 160px);
    --doom-actions-width: clamp(160px, 24vw, 230px);
    --doom-panel-height: clamp(122px, 32dvh, 160px);
  }

  .doom-touch-controls {
    right: max(8px, env(safe-area-inset-right));
    bottom: max(12px, calc(env(safe-area-inset-bottom) + 8px));
    left: max(8px, env(safe-area-inset-left));
    max-width: none;
  }
}

html.has-hardware-keyboard .doom-touch-controls {
  display: none;
}

@media (forced-colors: active) {
  .case-button:focus-visible {
    outline-color: Highlight;
  }

  .case-button:focus-visible i {
    box-shadow: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
}