:root {
  --bg: #0b0f14;
  --bg-raised: #10161d;
  --line: #1e2732;
  --text: #e8ecef;
  --text-dim: #7c8894;
  --amber: #e8a33d;
  --sky: #4fa8d8;
  --mono: ui-monospace, "SF Mono", "Cascadia Code", "JetBrains Mono", Menlo, Consolas, monospace;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Inter, Roboto, sans-serif;
}

* { box-sizing: border-box; }

html { color-scheme: dark; }

body {
  margin: 0;
  min-height: 100vh;
  background:
    radial-gradient(ellipse 900px 500px at 50% -10%, rgba(232, 163, 61, 0.08), transparent),
    var(--bg);
  color: var(--text);
  font-family: var(--sans);
  display: flex;
  justify-content: center;
  padding: 8vh 20px 6vh;
}

main {
  width: 100%;
  max-width: 640px;
  display: flex;
  flex-direction: column;
  gap: 44px;
}

.hero { text-align: center; }

.wordmark {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--mono);
  font-size: 30px;
  font-weight: 600;
  letter-spacing: -0.02em;
}

.wordmark img { border-radius: 8px; }

.tagline {
  margin: 14px 0 0;
  color: var(--text-dim);
  font-size: 15px;
}

.installer { display: flex; flex-direction: column; gap: 12px; }

.tabs {
  display: flex;
  gap: 4px;
  background: var(--bg-raised);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 4px;
}

.tab {
  flex: 1;
  appearance: none;
  border: none;
  background: transparent;
  color: var(--text-dim);
  font-family: var(--sans);
  font-size: 14px;
  font-weight: 600;
  padding: 9px 0;
  border-radius: 7px;
  cursor: pointer;
  transition: background 0.15s ease, color 0.15s ease;
}

.tab:hover { color: var(--text); }

.tab[aria-selected="true"] {
  background: var(--sky);
  color: #051018;
}

.tab:focus-visible,
.copy-btn:focus-visible,
a:focus-visible {
  outline: 2px solid var(--amber);
  outline-offset: 2px;
}

.terminal {
  border: 1px solid var(--line);
  border-radius: 10px;
  overflow: hidden;
  background: #05080b;
}

.terminal-bar {
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 10px 14px;
  background: var(--bg-raised);
  border-bottom: 1px solid var(--line);
}

.dot { width: 10px; height: 10px; border-radius: 50%; }
.dot-r { background: #ff5f57; }
.dot-y { background: #febc2e; }
.dot-g { background: #28c840; }

.terminal-title {
  margin-left: 8px;
  font-family: var(--mono);
  font-size: 12px;
  color: var(--text-dim);
}

.terminal-body {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 18px 16px;
}

.terminal-body code {
  flex: 1;
  font-family: var(--mono);
  font-size: 14px;
  color: var(--amber);
  overflow-x: auto;
  white-space: pre;
}

#copy-btn {
  appearance: none;
  border: 1px solid var(--line);
  background: var(--bg-raised);
  color: var(--text);
  font-family: var(--sans);
  font-size: 12px;
  font-weight: 600;
  padding: 7px 12px;
  border-radius: 6px;
  cursor: pointer;
  white-space: nowrap;
  transition: border-color 0.15s ease;
}

#copy-btn:hover { border-color: var(--sky); }
#copy-btn.copied { border-color: var(--amber); color: var(--amber); }

.hint {
  margin: 0;
  font-size: 13px;
  color: var(--text-dim);
  text-align: center;
}

.hint code {
  font-family: var(--mono);
  color: var(--text);
}

.alt h2 {
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-dim);
  margin: 0 0 10px;
}

.alt ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 6px;
  font-size: 14px;
}

.alt a {
  color: var(--sky);
  text-decoration: none;
}

.alt a:hover { text-decoration: underline; }

footer {
  text-align: center;
  font-size: 13px;
}

footer a {
  color: var(--text-dim);
  text-decoration: none;
  font-family: var(--mono);
}

footer a:hover { color: var(--text); }

@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; }
}