:root {
  color-scheme: dark;
  --green: #8dff9b;
  --green-bright: #d8ffce;
  --green-dim: #3aa45a;
  --green-deep: #06180d;
  --amber: #f5d76e;
  --red: #ff6b55;
  --black: #020503;
  --panel: #07140b;
  --panel-2: #0b2110;
  --line: rgba(141, 255, 155, 0.42);
  --glow: rgba(91, 255, 122, 0.36);
  --shadow: rgba(0, 0, 0, 0.72);
  --font: "Courier New", Courier, monospace;
  --text-size: 16px;
  --scanline-strength: 0.18;
  --flicker-speed: 4.4s;
  --shell-pad: clamp(0.6rem, 2vw, 1.5rem);
  --bezel-pad: clamp(0.8rem, 2.4vw, 2rem);
}

* {
  box-sizing: border-box;
}

html,
body {
  height: 100%;
  overflow: hidden;
}

body {
  margin: 0;
  background:
    radial-gradient(circle at 50% 25%, rgba(42, 83, 44, 0.36), transparent 42rem),
    linear-gradient(135deg, #11140f, #030503 54%, #14130c);
  color: var(--green);
  font-family: var(--font);
  font-size: var(--text-size);
}

button,
input {
  font: inherit;
}

.skip-link {
  position: fixed;
  top: 0.75rem;
  left: 0.75rem;
  z-index: 20;
  transform: translateY(-5rem);
  border: 2px solid var(--green-bright);
  background: var(--black);
  color: var(--green-bright);
  padding: 0.65rem 0.85rem;
}

.skip-link:focus {
  transform: translateY(0);
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  clip-path: inset(50%);
  white-space: nowrap;
}

.static-route-content {
  max-width: 62rem;
  margin: 2rem auto;
  padding: 1rem;
  color: var(--green-bright);
}

.static-route-content a {
  color: var(--amber);
}

.js .static-route-content {
  display: none;
}

.terminal-shell {
  height: 100dvh;
  min-height: 0;
  display: grid;
  place-items: center;
  overflow: hidden;
  padding: var(--shell-pad);
}

.terminal-bezel {
  width: min(100%, 68rem);
  height: calc(100dvh - var(--shell-pad) - var(--shell-pad));
  min-height: 0;
  padding: var(--bezel-pad);
  border-radius: 24px;
  background:
    linear-gradient(145deg, #4b4c3b, #171b13 36%, #070806 68%, #2f3124),
    #20251b;
  border: 2px solid #6b6b54;
  box-shadow:
    inset 0 0 2.6rem rgba(255, 255, 210, 0.08),
    inset 0 0 0 0.45rem rgba(0, 0, 0, 0.32),
    0 2rem 4rem var(--shadow);
}

.crt-glass {
  position: relative;
  height: 100%;
  min-height: 0;
  overflow: hidden;
  display: grid;
  grid-template-rows: auto minmax(0, 1fr) auto;
  border-radius: 18px;
  border: 2px solid rgba(30, 63, 35, 0.9);
  background:
    radial-gradient(ellipse at center, rgba(32, 110, 42, 0.2), transparent 67%),
    linear-gradient(180deg, rgba(9, 33, 13, 0.96), rgba(2, 9, 4, 0.98));
  box-shadow:
    inset 0 0 1.2rem rgba(0, 0, 0, 0.9),
    inset 0 0 4rem rgba(78, 255, 104, 0.12),
    0 0 1.4rem rgba(83, 255, 104, 0.08);
  text-shadow: 0 0 0.55rem var(--glow);
}

.crt-glass::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 4;
  background: radial-gradient(ellipse at center, transparent 62%, rgba(0, 0, 0, 0.42));
}

.terminal-header,
.terminal-footer {
  position: relative;
  z-index: 5;
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem clamp(1rem, 2.2vw, 1.6rem);
  border-color: var(--line);
  flex: 0 0 auto;
}

.terminal-header {
  align-items: flex-start;
  border-bottom: 1px solid var(--line);
}

.terminal-footer {
  align-items: center;
  border-top: 1px solid var(--line);
  color: var(--green-dim);
  font-size: 0.82rem;
}

.eyebrow,
h1,
h2,
p {
  margin: 0;
}

.eyebrow {
  color: var(--green-dim);
  font-size: 0.78rem;
  letter-spacing: 0;
}

h1 {
  margin-top: 0.2rem;
  color: var(--green-bright);
  font-size: clamp(1.35rem, 4vw, 2.7rem);
  line-height: 1;
}

h2 {
  color: var(--green-bright);
  font-size: clamp(1.2rem, 3vw, 2rem);
}

.status-stack {
  display: grid;
  justify-items: end;
  gap: 0.25rem;
  color: var(--amber);
  white-space: nowrap;
}

.boot-screen,
.screen {
  position: relative;
  z-index: 5;
  padding: clamp(1rem, 3vw, 2rem);
  min-height: 0;
  overflow: hidden;
}

.boot-screen {
  align-self: stretch;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  gap: 0.42rem;
  color: var(--green-bright);
  overflow-y: auto;
}

.boot-line::before {
  content: "> ";
  color: var(--green-dim);
}

.screen {
  display: grid;
  grid-template-rows: auto minmax(0, 1fr) auto;
  gap: 1rem;
  outline: none;
}

.screen--game {
  gap: 0.55rem;
  padding-block: clamp(0.65rem, 1.8vw, 1.1rem);
}

.screen--game .screen-title {
  padding-bottom: 0.45rem;
}

.screen--game .command-line {
  padding-top: 0.45rem;
}

.screen--game .command-line input,
.screen--game .command-line button {
  min-height: 2.2rem;
}

.screen-title {
  display: flex;
  align-items: start;
  justify-content: space-between;
  gap: 1rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px dashed var(--line);
}

.screen-body {
  display: grid;
  align-content: start;
  gap: 1rem;
  min-height: 0;
  overflow-y: auto;
  overscroll-behavior: contain;
  padding-right: 0.35rem;
  scrollbar-color: var(--green-dim) rgba(4, 17, 7, 0.52);
  scrollbar-width: thin;
}

.screen-body--game {
  align-content: stretch;
  overflow: hidden;
  padding-right: 0;
}

.screen-body::-webkit-scrollbar,
.boot-screen::-webkit-scrollbar {
  width: 0.7rem;
}

.screen-body::-webkit-scrollbar-track,
.boot-screen::-webkit-scrollbar-track {
  background: rgba(4, 17, 7, 0.52);
}

.screen-body::-webkit-scrollbar-thumb,
.boot-screen::-webkit-scrollbar-thumb {
  background: var(--green-dim);
  border: 2px solid rgba(4, 17, 7, 0.9);
}

.intro-block {
  max-width: 52rem;
  color: var(--green-bright);
  line-height: 1.55;
}

.menu-list {
  display: grid;
  gap: 0.15rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.menu-item {
  position: relative;
  width: 100%;
  min-height: 0;
  display: grid;
  grid-template-columns: auto auto 1fr auto;
  align-items: baseline;
  gap: 0.5rem;
  padding: 0.3rem 0.6rem 0.3rem 1.4rem;
  border: none;
  background: transparent;
  color: var(--green);
  text-align: left;
  cursor: pointer;
  touch-action: manipulation;
  font-family: inherit;
  letter-spacing: 0.02em;
  line-height: 1.25;
}

.menu-item::before {
  content: "";
  position: absolute;
  left: 0.3rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--green-bright);
  opacity: 0;
  font-weight: 700;
}

.pointer-hover .menu-item:hover,
.menu-item:focus-visible,
.menu-item.is-selected,
.action-button.is-selected,
.setting-row.is-selected {
  background: rgba(83, 255, 104, 0.16);
  color: var(--green-bright);
  outline: none;
  box-shadow: none;
  border: none;
}

.pointer-hover .menu-item:hover::before,
.menu-item:focus-visible::before,
.menu-item.is-selected::before {
  content: "›";
  opacity: 1;
}

.menu-item[aria-current="page"] {
  background: rgba(141, 255, 155, 0.08);
}

.menu-code {
  color: var(--amber);
  font-weight: 700;
  font-variant-numeric: tabular-nums;
}

.menu-copy {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.5rem 0.9rem;
  min-width: 0;
}

.menu-title {
  font-weight: 700;
  font-size: 0.98rem;
  text-transform: uppercase;
}

.menu-desc {
  font-size: 0.82rem;
  opacity: 0.78;
}

.menu-desc,
.record-grid dd,
.log-entry {
  color: var(--green-dim);
}

.menu-arrow {
  color: var(--green-dim);
}

.record-grid {
  display: grid;
  grid-template-columns: max-content 1fr;
  gap: 0.8rem 1.2rem;
  margin: 0;
  padding: 1rem;
  border: 1px solid rgba(141, 255, 155, 0.3);
  background: rgba(4, 17, 7, 0.52);
}

.record-grid dt {
  color: var(--amber);
}

.record-grid dd {
  margin: 0;
}

.personnel-portrait {
  display: grid;
  gap: 0.5rem;
  margin: 0;
  border: 1px solid rgba(141, 255, 155, 0.3);
  background: rgba(4, 17, 7, 0.52);
  padding: 0.7rem;
}

.personnel-portrait img {
  display: block;
  width: 100%;
  height: auto;
  border: 1px solid rgba(141, 255, 155, 0.24);
  filter: contrast(1.08) saturate(0.92);
}

.personnel-portrait figcaption {
  color: var(--green-dim);
  font-size: 0.78rem;
}

.action-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
}

.action-row--stacked {
  display: grid;
  gap: 0.55rem;
}

.action-row--stacked .action-button {
  width: 100%;
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  text-align: left;
}

.action-row--stacked .action-button::after {
  content: "ENTER";
  color: var(--amber);
  font-size: 0.78rem;
  letter-spacing: 0.08em;
}

.utility-button,
.action-button,
.command-line button {
  border: 1px solid var(--line);
  background: rgba(12, 41, 16, 0.84);
  color: var(--green-bright);
  min-height: 2.65rem;
  padding: 0.55rem 0.9rem;
  cursor: pointer;
}

.pointer-hover .utility-button:hover,
.utility-button:focus-visible,
.pointer-hover .action-button:hover,
.action-button:focus-visible,
.pointer-hover .command-line button:hover,
.command-line button:focus-visible {
  border-color: var(--green-bright);
  box-shadow: 0 0 0.8rem rgba(109, 255, 130, 0.14);
  outline: none;
}

.command-line {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 0.6rem;
  padding-top: 0.75rem;
  border-top: 1px dashed var(--line);
}

.command-line label {
  color: var(--amber);
}

.command-line input {
  width: 100%;
  border: 1px solid rgba(141, 255, 155, 0.3);
  background: rgba(0, 0, 0, 0.32);
  color: var(--green-bright);
  min-height: 2.65rem;
  padding: 0.55rem 0.75rem;
  caret-color: var(--green-bright);
}

.command-line input:focus {
  outline: 1px solid var(--green-bright);
}

.log-list {
  display: grid;
  gap: 0.6rem;
}

.log-entry {
  padding-left: 1rem;
  border-left: 2px solid var(--line);
  line-height: 1.45;
}

.ski-app {
  display: grid;
  grid-template-rows: auto minmax(0, 1fr) auto;
  gap: 0.5rem;
  min-height: 0;
  height: 100%;
}

.ski-topline {
  z-index: 2;
  display: grid;
  gap: 0.35rem;
  padding-block: 0.15rem 0.35rem;
  background: rgba(6, 24, 13, 0.94);
  color: var(--green-dim);
}

.ski-readout {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem 1rem;
}

.ski-score {
  color: var(--green-bright);
  font-weight: 700;
}

.ski-status {
  color: var(--amber);
}

.ski-help {
  line-height: 1.45;
  display: none;
}

.ski-canvas-wrap {
  display: contents;
}

.ski-canvas {
  display: block;
  width: 100%;
  height: 100%;
  min-height: 0;
  aspect-ratio: 16 / 9;
  border: 1px solid rgba(141, 255, 155, 0.36);
  background: var(--green-deep);
  image-rendering: pixelated;
  touch-action: none;
  box-shadow: inset 0 0 1.2rem rgba(109, 255, 130, 0.09);
}

.ski-canvas:focus-visible,
.ski-canvas.is-selected {
  border-color: var(--green-bright);
  outline: none;
  box-shadow: inset 0 0 1.2rem rgba(109, 255, 130, 0.13), 0 0 0.8rem rgba(109, 255, 130, 0.14);
}

.ski-controls {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0.6rem;
}

.ski-controls .action-button {
  min-height: 2.75rem;
  touch-action: none;
  user-select: none;
}

.ski-return {
  display: none;
}

body.ski-fullscreen {
  overflow: hidden;
  overscroll-behavior: contain;
}

body.terminal-exit .screen-title,
body.terminal-exit .command-line,
body.terminal-exit .terminal-header,
body.terminal-exit .terminal-footer {
  visibility: hidden;
}

body.terminal-exit #screen-body {
  cursor: pointer;
}

.exit-screen {
  font-family: "Courier New", monospace;
  font-size: clamp(1rem, 2.6vw, 1.5rem);
  color: #8dff9b;
  text-shadow: 0 0 0.4rem rgba(141, 255, 155, 0.55);
  padding: 0.4rem 0;
}

.exit-prompt {
  white-space: pre;
}

.exit-cursor {
  display: inline-block;
  margin-left: 0.15ch;
  animation: exit-blink 1s steps(2, end) infinite;
}

@keyframes exit-blink {
  0%, 50% { opacity: 1; }
  50.01%, 100% { opacity: 0; }
}

body.ski-fullscreen .terminal-header,
body.ski-fullscreen .terminal-footer,
body.ski-fullscreen .screen-title,
body.ski-fullscreen .command-line {
  display: none;
}

.ski-app--fullscreen {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  height: 100svh;
  z-index: 9999;
  display: grid;
  grid-template-rows: auto 2fr auto 1fr;
  gap: 0.5rem;
  padding:
    max(0.5rem, env(safe-area-inset-top))
    max(0.5rem, env(safe-area-inset-right))
    max(1rem, env(safe-area-inset-bottom))
    max(0.5rem, env(safe-area-inset-left));
  background:
    radial-gradient(ellipse at center, rgba(32, 110, 42, 0.18), transparent 70%),
    linear-gradient(180deg, #021805, #000);
  box-shadow: inset 0 0 2rem rgba(78, 255, 104, 0.18), inset 0 0 6rem rgba(0, 0, 0, 0.7);
  -webkit-user-select: none;
  user-select: none;
  -webkit-touch-callout: none;
  touch-action: manipulation;
  overscroll-behavior: contain;
}

.ski-app--fullscreen::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: radial-gradient(ellipse at center, transparent 60%, rgba(0, 0, 0, 0.55));
}

.ski-app--fullscreen .ski-topline {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.35rem 0.6rem;
  background: rgba(6, 24, 13, 0.85);
  border: 1px solid rgba(141, 255, 155, 0.4);
  border-radius: 6px;
  font-size: 0.72rem;
}

.ski-app--fullscreen .ski-readout {
  flex: 1 1 auto;
  min-width: 0;
  flex-direction: column;
  align-items: stretch;
  flex-wrap: nowrap;
  gap: 0.1rem;
  line-height: 1.15;
}

.ski-app--fullscreen .ski-readout > * {
  min-width: 0;
}

.ski-app--fullscreen .ski-help {
  display: none;
}

.ski-app--fullscreen .ski-score,
.ski-app--fullscreen .ski-status {
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.ski-app--fullscreen .ski-return {
  display: inline-block;
  position: static;
  flex: 0 0 auto;
  min-height: 0;
  padding: 0.35rem 0.7rem;
  font-size: 0.7rem;
  letter-spacing: 0.08em;
}

.ski-app--fullscreen .ski-canvas-wrap {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 0;
}

.ski-app--fullscreen .ski-canvas {
  display: block;
  width: auto;
  height: auto;
  max-width: 100%;
  max-height: 100%;
  aspect-ratio: 4 / 3;
  border: 1px solid rgba(141, 255, 155, 0.55);
  border-radius: 6px;
  box-shadow: inset 0 0 1.4rem rgba(109, 255, 130, 0.18), 0 0 1rem rgba(78, 255, 104, 0.1);
  -webkit-touch-callout: none;
  -webkit-user-select: none;
  user-select: none;
}

.ski-app--fullscreen .ski-controls {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  grid-template-rows: 1fr 1fr;
  column-gap: 0.4rem;
  row-gap: 0;
  width: min(64vw, 260px);
  aspect-ratio: 3 / 2;
  margin: 0 auto;
  align-self: start;
  justify-self: center;
}

.ski-app--fullscreen .ski-controls .action-button {
  min-height: 0;
  width: 100%;
  height: 100%;
  font-size: 1.4rem;
  padding: 0;
  -webkit-user-select: none;
  user-select: none;
  -webkit-touch-callout: none;
  -webkit-tap-highlight-color: transparent;
}

.ski-app--fullscreen .ski-controls .action-button:focus,
.ski-app--fullscreen .ski-controls .action-button:focus-visible {
  outline: none;
  box-shadow: none;
  border-color: var(--line);
}

.ski-app--fullscreen .ski-controls .ski-up      { grid-area: 1 / 2 / 2 / 3; }
.ski-app--fullscreen .ski-controls .ski-straight{ grid-area: 2 / 2 / 3 / 3; }
.ski-app--fullscreen .ski-controls .ski-left,
.ski-app--fullscreen .ski-controls .ski-right {
  align-self: center;
  height: 50%;
}
.ski-app--fullscreen .ski-controls .ski-left    { grid-area: 1 / 1 / 3 / 2; }
.ski-app--fullscreen .ski-controls .ski-right   { grid-area: 1 / 3 / 3 / 4; }

.settings-grid {
  display: grid;
  gap: 0.6rem;
}

.setting-row {
  min-height: 3.7rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.75rem 1rem;
  border: 1px solid rgba(141, 255, 155, 0.28);
  background: rgba(4, 17, 7, 0.52);
  color: var(--green);
  cursor: pointer;
  text-align: left;
}

.setting-row:focus-visible,
.pointer-hover .setting-row:hover {
  border-color: var(--green-bright);
  outline: none;
}

.toggle {
  min-width: 8rem;
  color: var(--amber);
  text-align: right;
}

.notice {
  color: var(--amber);
}

.is-hidden {
  display: none;
}

body.reduced-crt .crt-glass::after {
  opacity: 0.6;
}

body.large-text {
  --text-size: 18px;
}

@media (max-width: 720px) {
  :root {
    --shell-pad: 0;
    --bezel-pad: 0.3rem;
  }

  .terminal-shell {
    padding: 0;
  }

  .terminal-bezel {
    height: 100dvh;
    border-radius: 0;
    padding: 0.3rem;
  }

  .crt-glass {
    border-radius: 8px;
  }

  .terminal-header {
    flex-direction: row;
    align-items: center;
    gap: 0.6rem;
    padding: 0.45rem 0.7rem;
  }

  .terminal-header h1 {
    font-size: 1.1rem;
    line-height: 1.1;
    margin-top: 0;
  }

  .terminal-header .eyebrow {
    display: none;
  }

  .terminal-footer {
    flex-direction: row;
    align-items: center;
    gap: 0.5rem;
    padding: 0.35rem 0.7rem;
    font-size: 0.68rem;
  }

  .terminal-footer span:last-child {
    display: none;
  }

  .status-stack {
    display: flex;
    flex-direction: row;
    gap: 0.55rem;
    align-items: center;
    font-size: 0.7rem;
    justify-items: start;
  }

  .screen-title {
    flex-direction: row;
    align-items: baseline;
    gap: 0.5rem;
    padding-bottom: 0.35rem;
  }

  .screen-title h2 {
    font-size: 1.05rem;
  }

  .command-line {
    flex-direction: column;
    align-items: stretch;
    grid-template-columns: 1fr;
    padding-top: 0.35rem;
    gap: 0.4rem;
  }

  .command-line input,
  .command-line button {
    min-height: 2.4rem;
  }

  .boot-screen,
  .screen {
    padding: 0.55rem 0.75rem;
  }

  .screen {
    gap: 0.45rem;
  }

  .screen-body {
    gap: 0.55rem;
    padding-right: 0.1rem;
  }

  .intro-block {
    line-height: 1.45;
  }

  .menu-item {
    grid-template-columns: auto auto 1fr;
    min-height: 2.4rem;
    padding: 0.55rem 0.6rem 0.55rem 1.3rem;
  }

  .menu-arrow {
    display: none;
  }

  .menu-desc {
    flex: 1 1 100%;
    margin-top: 0.05rem;
  }

  .record-grid {
    grid-template-columns: 1fr;
    gap: 0.3rem;
    padding: 0.7rem 0.8rem;
  }

  .settings-grid {
    gap: 0.35rem;
  }

  .setting-row {
    min-height: 0;
    padding: 0.45rem 0.7rem;
    gap: 0.6rem;
  }

  .ski-app {
    gap: 0.5rem;
  }

  .ski-help {
    font-size: 0.82rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
  }

  .ski-controls {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 0.45rem;
  }

  .ski-controls .action-button {
    min-height: 4.2rem;
    padding-inline: 0.35rem;
  }
}