@font-face {
  font-family: "VT323";
  src: url("vendor/fonts/vt323.woff2") format("woff2");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

:root {
  --bg: #06060a;
  --panel: #0f1019;
  --edge: #2b2f3a;
  --line: #1c1e2a;
  --ink: #e6e0cd;
  --dim: #7c7763;
  --amber: #ffb000;
  --amber-soft: #ffcf6b;
  --amber-deep: #a86c06;
  --cyan: #46e3d6;
  --display: "VT323", ui-monospace, Menlo, Consolas, monospace;
  --mono: ui-monospace, "Cascadia Code", "SF Mono", Menlo, Consolas, monospace;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  min-height: 100vh;
  display: grid;
  place-items: center;
  font-family: var(--mono);
  color: var(--ink);
  background: radial-gradient(120% 85% at 50% -10%, #15131d 0%, var(--bg) 55%, #020205 100%) fixed, var(--bg);
  line-height: 1.5;
}

.grain {
  position: fixed;
  inset: 0;
  z-index: 60;
  pointer-events: none;
  background: repeating-linear-gradient(0deg, rgba(0,0,0,.16) 0 1px, transparent 1px 3px);
  mix-blend-mode: multiply;
  opacity: .35;
}

.machine {
  position: relative;
  z-index: 1;
  width: min(94vw, 640px);
  padding: clamp(1.5rem, 5vw, 3rem) 0;
}

.title {
  margin: 0 0 .35rem;
  text-align: center;
  font-family: var(--display);
  font-weight: 400;
  font-size: clamp(3.5rem, 15vw, 6rem);
  line-height: .8;
  letter-spacing: .04em;
  color: var(--amber);
  text-shadow: 4px 4px 0 var(--amber-deep), 0 0 26px rgba(255,176,0,.25);
}
.subtitle {
  margin: 0 0 1.4rem;
  text-align: center;
  font-family: var(--display);
  font-size: clamp(1.1rem, 4.5vw, 1.6rem);
  letter-spacing: .06em;
  color: var(--cyan);
}

.crt {
  background: linear-gradient(160deg, #1a1c24, #0a0b10 70%);
  border: 1px solid #23252f;
  border-radius: 14px;
  padding: 14px;
  box-shadow: 0 1px 0 rgba(255,255,255,.04) inset, 0 30px 60px -30px rgba(0,0,0,.9);
}
.crt__bezel {
  position: relative;
  background: #000;
  border-radius: 8px;
  padding: 12px;
  box-shadow: 0 0 0 2px #15161d, 0 0 0 9px #0c0d12;
}
.crt__screen {
  position: relative;
  aspect-ratio: 4 / 3;
  width: 100%;
  display: grid;
  place-items: center;
  overflow: hidden;
  border-radius: 5px;
  background: radial-gradient(120% 120% at 50% 50%, #0b0f0a 0%, #050705 70%, #000 100%);
  transform-origin: center;
}
.crt__screen::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 3;
  pointer-events: none;
  background:
    repeating-linear-gradient(0deg, rgba(0,0,0,.20) 0 1px, transparent 1px 3px),
    radial-gradient(130% 130% at 50% 50%, transparent 68%, rgba(0,0,0,.4) 100%);
}
.crt__canvas { width: 100% !important; height: auto !important; image-rendering: pixelated; display: block; }
.crt__text {
  color: var(--amber);
  font-family: var(--mono);
  font-size: clamp(7px, 1.5vw, 13px);
  line-height: 1.05;
  white-space: pre;
}

.crt__screen.off { animation: crtoff .55s ease forwards; }
@keyframes crtoff {
  0%   { transform: scale(1, 1);    filter: brightness(1); }
  45%  { transform: scale(1, .03);  filter: brightness(1.7); }
  72%  { transform: scale(.4, .02); filter: brightness(1.8); }
  100% { transform: scale(0, 0);    filter: brightness(0); }
}

.overlay {
  position: absolute;
  inset: 0;
  z-index: 5;
  display: grid;
  place-items: center;
  background: radial-gradient(circle at 50% 45%, rgba(5,7,5,.4), rgba(0,0,0,.82));
  transition: opacity .45s ease;
}
.overlay[data-state="off"] { opacity: 0; pointer-events: none; }
.overlay[data-state="booting"] { background: #000; }
.overlay[data-state="booting"] .power { opacity: 0; pointer-events: none; }

.power {
  appearance: none;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: .85rem;
  padding: 1.15rem 2.1rem;
  border: 0;
  border-radius: 16px;
  background: var(--amber);
  color: #1a1205;
  font-family: var(--display);
  font-size: 2.4rem;
  letter-spacing: .1em;
  text-transform: uppercase;
  box-shadow: 0 7px 0 var(--amber-deep), 0 16px 34px rgba(255,176,0,.3);
  transition: transform .08s ease, box-shadow .08s ease, background .1s ease, opacity .2s ease;
}
.power:hover:not(:disabled) { background: var(--amber-soft); box-shadow: 0 7px 0 var(--amber-deep), 0 18px 44px rgba(255,176,0,.5); }
.power:active:not(:disabled) { transform: translateY(5px); box-shadow: 0 2px 0 var(--amber-deep), 0 8px 18px rgba(255,176,0,.3); }
.power:disabled { cursor: progress; opacity: .45; box-shadow: 0 7px 0 var(--amber-deep); }
.power__ring {
  width: 30px; height: 30px;
  border-radius: 50%;
  border: 4px solid #1a1205;
  display: grid; place-items: center;
}
.power__ring::before { content: ""; width: 4px; height: 13px; margin-top: -5px; background: #1a1205; border-radius: 2px; }

.bar {
  display: flex;
  align-items: center;
  gap: .6rem;
  flex-wrap: wrap;
  margin-top: 1.3rem;
  font-family: var(--display);
  font-size: 1.1rem;
  color: var(--dim);
}
.bar__sp { flex: 1; }
.keys { margin: 0; }
.keys b {
  font-weight: 400;
  color: var(--amber-soft);
  padding: 0 .4rem;
  background: #0d0f17;
  border: 1px solid var(--edge);
  border-bottom-width: 2px;
  border-radius: 4px;
}
.keys span { color: var(--edge); margin: 0 .15rem; }

.btn {
  appearance: none;
  cursor: pointer;
  padding: .35rem .9rem;
  font-family: var(--display);
  font-size: 1.1rem;
  letter-spacing: .06em;
  text-transform: uppercase;
  color: var(--amber-soft);
  background: #0d0f17;
  border: 1px solid var(--edge);
  border-radius: 6px;
}
.btn:hover:not(:disabled) { border-color: var(--amber); color: var(--amber); }
.btn:disabled { opacity: .35; cursor: not-allowed; }

.foot { margin-top: 1.3rem; text-align: center; font-family: var(--display); font-size: 1.1rem; }
.foot a { color: var(--dim); text-decoration: none; border-bottom: 2px solid transparent; }
.foot a:hover { color: var(--amber); border-bottom-color: var(--amber); }
.foot span { color: var(--edge); margin: 0 .4rem; }

.pad { display: none; }
@media (pointer: coarse), (max-width: 820px) {
  body.running .pad { display: block; }
  .keys { display: none; }
  .bar { justify-content: center; }
  .bar__sp { display: none; }
}
.btn--icon { font-size: 1.5rem; line-height: 1; min-width: 2.8rem; padding: .3rem .6rem; }
.pad { position: fixed; inset: 0; z-index: 40; pointer-events: none; }
.pad__cluster {
  position: fixed;
  bottom: max(16px, env(safe-area-inset-bottom));
  display: flex;
  gap: .7rem;
}
.pad__cluster--l { left: max(16px, env(safe-area-inset-left)); flex-direction: column; }
.pad__cluster--r { right: max(16px, env(safe-area-inset-right)); flex-direction: column; }
.pad__cluster--mid { left: 50%; transform: translateX(-50%); align-items: flex-end; }
.pad__btn {
  pointer-events: auto;
  -webkit-tap-highlight-color: transparent;
  touch-action: none;
  user-select: none;
  width: 4.6rem;
  height: 4.6rem;
  font-family: var(--display);
  font-size: 2.1rem;
  line-height: 1;
  color: #1a1205;
  background: rgba(255,176,0,.92);
  border: 0;
  border-radius: 16px;
  box-shadow: 0 5px 0 var(--amber-deep);
}
.pad__btn:active { transform: translateY(4px); box-shadow: 0 1px 0 var(--amber-deep); }
.pad__btn--sm {
  width: auto;
  height: 2.7rem;
  min-width: 4.4rem;
  padding: 0 .7rem;
  font-size: 1.05rem;
  text-transform: uppercase;
  letter-spacing: .05em;
  background: rgba(255,176,0,.8);
  border-radius: 10px;
}

@media (orientation: landscape) and (pointer: coarse) {
  body { align-items: center; }
  .title, .subtitle, .bar, .foot { display: none; }
  .machine { width: 100%; padding: 0; display: grid; place-items: center; }
  .crt { border: 0; border-radius: 0; background: transparent; box-shadow: none; padding: 4px; }
  .crt__bezel { padding: 4px; box-shadow: none; }
  .crt__screen { height: 96vh; width: auto; aspect-ratio: 4 / 3; }
}

:focus-visible { outline: 3px solid var(--cyan); outline-offset: 2px; }