:root {
  --bg: #081018;
  --panel: rgba(13, 25, 35, 0.84);
  --line: rgba(141, 210, 226, 0.22);
  --text: #e7f3f7;
  --muted: #9ab0bd;
  --teal: #54d6c2;
  --blue: #78a7ff;
  --amber: #f5bd63;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  background:
    radial-gradient(circle at 22% 18%, rgba(84, 214, 194, 0.22), transparent 28%),
    radial-gradient(circle at 76% 72%, rgba(120, 167, 255, 0.18), transparent 34%),
    linear-gradient(135deg, #060a10, #111e2a 58%, #07111a);
  color: var(--text);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

.boot-shell {
  display: grid;
  min-height: 100vh;
  place-items: center;
  padding: 24px;
}

.boot-card {
  width: min(640px, 100%);
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: clamp(24px, 5vw, 44px);
  background: var(--panel);
  box-shadow: 0 28px 90px rgba(0, 0, 0, 0.48), inset 0 1px 0 rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(22px);
}

.boot-mark {
  display: grid;
  width: 54px;
  height: 54px;
  place-items: center;
  border-radius: 14px;
  background: linear-gradient(135deg, var(--teal), var(--blue));
  color: #061019;
  font-weight: 900;
}

.boot-kicker {
  margin: 24px 0 6px;
  color: var(--teal);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0;
  text-transform: uppercase;
}

h1 {
  margin: 0 0 24px;
  font-size: clamp(42px, 8vw, 76px);
  letter-spacing: 0;
  line-height: 0.95;
}

.boot-terminal {
  min-height: 186px;
  border: 1px solid rgba(255, 255, 255, 0.09);
  border-radius: 12px;
  padding: 16px;
  background: rgba(2, 8, 14, 0.72);
  color: var(--muted);
  font: 14px/1.7 "SFMono-Regular", Consolas, monospace;
}

.boot-terminal p {
  margin: 0;
}

.boot-terminal .ok {
  color: var(--teal);
}

.boot-terminal .warn {
  color: var(--amber);
}

.boot-progress {
  height: 10px;
  margin: 18px 0;
  overflow: hidden;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.08);
}

.boot-progress span {
  display: block;
  width: 0%;
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--teal), var(--blue));
  transition: width 300ms ease;
}

button {
  min-height: 44px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 12px;
  padding: 10px 16px;
  background: rgba(255, 255, 255, 0.08);
  color: var(--text);
  font: inherit;
  font-weight: 800;
  cursor: pointer;
}

button:hover {
  border-color: var(--teal);
}