:root {
  --bg: #050805;
  --panel: #101613;
  --border: #2d3a33;
  --text: #d8ffe9;
  --muted: #8ba89a;
  --accent: #6effb0;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Trebuchet MS", "Verdana", system-ui, sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at 15% -5%, rgba(80, 255, 170, 0.15), transparent 45%),
    radial-gradient(circle at 85% -10%, rgba(102, 199, 255, 0.14), transparent 50%),
    #040606;
  display: grid;
  place-items: center;
  padding: 20px 12px;
}

.app {
  width: min(1100px, 100%);
  background: linear-gradient(180deg, rgba(255,255,255,0.03), rgba(255,255,255,0.01));
  border: 1px solid #2b3a33;
  border-radius: 16px;
  padding: 18px;
  box-shadow: 0 14px 44px rgba(0, 0, 0, 0.45);
}

.back {
  color: #8fd5ff;
  text-decoration: none;
  font-size: 0.95rem;
}

.topbar h1 {
  margin: 8px 0 4px;
  font-size: clamp(1.35rem, 3vw, 2rem);
  letter-spacing: 0.06em;
}

.topbar p {
  margin: 0 0 14px;
  color: #b8d0c4;
}

.controls {
  display: grid;
  grid-template-columns: repeat(5, minmax(140px, 1fr));
  gap: 10px;
  margin-bottom: 10px;
}

label {
  display: grid;
  gap: 6px;
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #9bb8aa;
}

input,
select,
button {
  font: inherit;
}

input,
select {
  border: 1px solid #3a4d43;
  border-radius: 10px;
  background: #0d1512;
  color: var(--text);
  padding: 10px 11px;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin-bottom: 14px;
}

button {
  border: 1px solid #365045;
  border-radius: 10px;
  padding: 10px 14px;
  cursor: pointer;
  font-weight: 700;
}

.primary {
  background: #74ffb7;
  color: #032014;
  border-color: #9fffff;
}

.ghost {
  background: #132019;
  color: var(--text);
}

#status {
  color: var(--muted);
  font-size: 0.9rem;
}

.display {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.ansi-screen,
#posterCanvas {
  width: 100%;
  margin: 0;
  border: 1px solid #31443b;
  border-radius: 12px;
  background: #060a08;
  min-height: 480px;
  box-shadow: inset 0 0 0 1px rgba(255,255,255,0.04);
}

.ansi-screen {
  font-family: "Courier New", "Consolas", monospace;
  font-size: 0.78rem;
  line-height: 1.08;
  letter-spacing: 0.03em;
  color: var(--accent);
  padding: 14px;
  overflow: auto;
  white-space: pre;
  text-shadow: 0 0 10px color-mix(in oklab, var(--accent) 65%, transparent);
}

#posterCanvas {
  display: block;
  image-rendering: pixelated;
  image-rendering: crisp-edges;
}

@media (max-width: 980px) {
  .controls {
    grid-template-columns: repeat(2, minmax(150px, 1fr));
  }

  .display {
    grid-template-columns: 1fr;
  }

  .ansi-screen,
  #posterCanvas {
    min-height: 360px;
  }
}