:root {
  --bg-1: #101217;
  --bg-2: #1f2e44;
  --panel: #0b0f16;
  --panel-border: #293448;
  --text: #d9e6ff;
  --muted: #8fa4c8;
  --prompt: #8ac2ff;
  --accent: #58e6b5;
  --warning: #ff8f70;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--text);
  background:
    radial-gradient(1000px 450px at 85% -10%, #345782 0%, transparent 60%),
    radial-gradient(700px 400px at -15% 105%, #3d2442 0%, transparent 55%),
    linear-gradient(145deg, var(--bg-1), var(--bg-2));
  font-family: "Space Mono", monospace;
}

.page {
  width: min(980px, 92vw);
  margin: 4.5rem auto 3rem;
}

.hero {
  margin-bottom: 1.25rem;
  font-family: "Space Grotesk", sans-serif;
}

.eyebrow {
  margin: 0;
  color: #9bb0d3;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-size: 0.8rem;
}

h1 {
  margin: 0.35rem 0 0;
  font-size: clamp(1.8rem, 4vw, 2.6rem);
}

.subtitle {
  margin-top: 0.6rem;
  color: var(--muted);
}

.terminal-shell {
  border: 1px solid var(--panel-border);
  border-radius: 14px;
  background: linear-gradient(180deg, #0b121d 0%, #0b0f16 100%);
  box-shadow: 0 22px 48px rgba(0, 0, 0, 0.42);
  overflow: hidden;
}

.terminal-topbar {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1rem;
  border-bottom: 1px solid #1e2a3a;
  background: #0f1622;
}

.dot {
  width: 12px;
  height: 12px;
  border-radius: 999px;
}

.dot.red {
  background: #ff6a60;
}

.dot.amber {
  background: #ffbe4f;
}

.dot.green {
  background: #28ca42;
}

.title {
  margin: 0 0 0 0.5rem;
  font-size: 0.85rem;
  color: #a8bedf;
}

.terminal-output {
  min-height: 320px;
  max-height: 52vh;
  overflow-y: auto;
  padding: 1rem;
  white-space: pre-wrap;
  word-break: break-word;
  font-size: 0.95rem;
  line-height: 1.52;
}

.line {
  margin: 0.12rem 0;
}

.line.prompt {
  color: var(--prompt);
}

.line.input {
  color: #d6f0ff;
}

.line.result {
  color: var(--accent);
  font-weight: 700;
}

.line.error {
  color: var(--warning);
}

.terminal-input-row {
  display: flex;
  gap: 0.5rem;
  align-items: center;
  flex-wrap: wrap;
  padding: 0.9rem 1rem;
  border-top: 1px solid #1e2a3a;
  background: #0d131d;
}

#prompt-label {
  color: var(--prompt);
}

#user-input {
  flex: 1;
  min-width: 220px;
  border: 1px solid #2a3a52;
  background: #080d15;
  color: var(--text);
  border-radius: 8px;
  padding: 0.58rem 0.65rem;
  font-family: inherit;
}

button {
  border: 1px solid #3a4f73;
  background: #111a2a;
  color: var(--text);
  border-radius: 8px;
  padding: 0.56rem 0.8rem;
  font-family: inherit;
  cursor: pointer;
}

button:hover {
  border-color: #5f7ca8;
}

.actions {
  padding: 0 1rem 1rem;
}

@media (max-width: 680px) {
  .page {
    margin-top: 2rem;
  }

  .terminal-output {
    min-height: 280px;
  }

  .terminal-input-row {
    align-items: stretch;
  }

  #user-input,
  button {
    width: 100%;
  }
}