:root {
  --bg: #0b0f14;
  --panel: #121820;
  --line: #243041;
  --text: #d7e0ea;
  --muted: #7f8fa3;
  --accent: #3dd68c;
  --warn: #f5c542;
  --danger: #ff6b6b;
  --cyan: #5ec8ff;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  min-height: 100vh;
  font-family: "IBM Plex Mono", monospace;
  background:
    radial-gradient(ellipse 80% 50% at 20% -10%, rgba(61, 214, 140, 0.12), transparent),
    radial-gradient(ellipse 60% 40% at 90% 10%, rgba(94, 200, 255, 0.1), transparent),
    var(--bg);
  color: var(--text);
  padding: 28px 20px 48px;
}

.back {
  display: inline-block;
  color: var(--muted);
  text-decoration: none;
  font-size: 13px;
  margin-bottom: 28px;
}

.back:hover {
  color: var(--cyan);
}

.hero {
  max-width: 720px;
  margin: 0 auto 24px;
}

.eyebrow {
  color: var(--accent);
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 10px;
}

h1 {
  font-family: Syne, sans-serif;
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  margin-bottom: 10px;
}

.lead {
  color: var(--muted);
  font-size: 14px;
  line-height: 1.55;
  max-width: 52ch;
}

.terminal {
  max-width: 720px;
  margin: 0 auto;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 14px;
  overflow: hidden;
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.45);
}

.terminal__bar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 14px;
  border-bottom: 1px solid var(--line);
  background: #0e141c;
}

.dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}

.dot.red { background: var(--danger); }
.dot.yellow { background: var(--warn); }
.dot.green { background: var(--accent); }

.terminal__title {
  margin-left: 8px;
  font-size: 12px;
  color: var(--muted);
}

.terminal__body {
  min-height: 280px;
  max-height: 420px;
  overflow-y: auto;
  padding: 16px 18px;
  font-size: 13px;
  line-height: 1.55;
}

.line {
  margin-bottom: 6px;
  white-space: pre-wrap;
  word-break: break-word;
}

.line.cmd { color: var(--text); }
.line.out { color: #a8b8c8; }
.line.ok { color: var(--accent); }
.line.info { color: var(--cyan); }
.line.err { color: var(--danger); }
.line.muted { color: var(--muted); }

.terminal__input-row {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 16px 16px;
  border-top: 1px solid var(--line);
}

.prompt {
  color: var(--accent);
  font-weight: 600;
}

#cli {
  flex: 1;
  background: transparent;
  border: none;
  outline: none;
  color: var(--text);
  font: inherit;
  font-size: 13px;
}

#cli::placeholder {
  color: #3d4d5f;
}

.hint {
  max-width: 720px;
  margin: 16px auto 0;
  color: var(--muted);
  font-size: 12px;
}

.hint code {
  color: var(--cyan);
}