:root {
  --bg: #05070b;
  --panel: #0d1117;
  --panel-soft: #121924;
  --line: rgba(148, 163, 184, 0.25);
  --text: #e6edf3;
  --muted: #94a3b8;
  --accent: #22d3ee;
  --accent-2: #34d399;
  --danger: #f87171;
  --warn: #fbbf24;
  --ok: #4ade80;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
}

body {
  min-height: 100svh;
  font-family: "Inter", sans-serif;
  color: var(--text);
  background: var(--bg);
  overflow: hidden;
}

.bg-gradient,
.bg-grid {
  position: fixed;
  inset: 0;
  pointer-events: none;
}

.bg-gradient {
  z-index: -3;
  background:
    radial-gradient(circle at 18% 22%, rgba(34, 211, 238, 0.22), transparent 40%),
    radial-gradient(circle at 80% 72%, rgba(52, 211, 153, 0.16), transparent 44%),
    radial-gradient(circle at 50% 100%, rgba(96, 165, 250, 0.14), transparent 48%);
  filter: blur(28px) saturate(1.05);
  opacity: 0.75;
  animation: gradientShift 18s ease-in-out infinite;
}

.bg-grid {
  z-index: -2;
  opacity: 0.12;
  background-image:
    linear-gradient(rgba(148, 163, 184, 0.11) 1px, transparent 1px),
    linear-gradient(90deg, rgba(148, 163, 184, 0.11) 1px, transparent 1px);
  background-size: 32px 32px;
  mask-image: radial-gradient(circle at 50% 40%, black 28%, transparent 82%);
  animation: gridPan 26s linear infinite;
}

.shell {
  min-height: 100svh;
  display: grid;
  place-items: center;
  padding: 5vw;
}

.terminal-card {
  width: min(880px, 100%);
  height: 448px;
  border: 1px solid var(--line);
  border-radius: 16px;
  overflow: hidden;
  background: linear-gradient(160deg, var(--panel) 0%, var(--panel-soft) 100%);
  box-shadow: 0 18px 52px rgba(0, 0, 0, 0.42);
  animation: cardIn 700ms ease both;
}

.terminal-bar {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.62rem 0.75rem;
  border-bottom: 1px solid rgba(148, 163, 184, 0.2);
  background: #0a0f16;
}

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

.dot.red {
  background: var(--danger);
}

.dot.amber {
  background: var(--warn);
}

.dot.green {
  background: var(--ok);
}

.terminal-bar p {
  margin: 0 0 0 0.45rem;
  font-family: "IBM Plex Mono", monospace;
  color: var(--muted);
  font-size: 0.82rem;
}

.terminal-body {
  padding: clamp(1.3rem, 3.2vw, 2.2rem);
  display: grid;
  align-content: start;
  grid-template-rows:
    minmax(1.35rem, auto)
    minmax(1.35rem, auto)
    minmax(1.35rem, auto)
    minmax(1.35rem, auto)
    minmax(1.35rem, auto)
    minmax(3.1em, auto)
    minmax(1.35rem, auto)
    minmax(2.8rem, auto);
  row-gap: 0.6rem;
  height: calc(448px - 48px);
}

.line,
.output,
.summary,
.actions a {
  font-family: "IBM Plex Mono", monospace;
}

.stage {
  opacity: 0;
  transform: translateY(6px);
  transition: opacity 240ms ease, transform 240ms ease;
}

.stage.show {
  opacity: 1;
  transform: translateY(0);
}

.line {
  margin: 0;
  color: var(--muted);
  font-size: 0.92rem;
  min-height: 1.25rem;
  padding-top: 0.1rem;
}

.cursor {
  opacity: 0;
}

.line.is-typing .cursor {
  opacity: 1;
  animation: blink 900ms step-start infinite;
}

.prompt {
  color: var(--accent-2);
  margin-right: 0.45rem;
  font-weight: 600;
}

.output {
  margin: 0;
  color: var(--accent);
  font-size: 0.95rem;
  min-height: 1.25rem;
  line-height: 1.5;
  padding-bottom: 0.1rem;
}

.line-focus {
  margin-top: 0;
}

.summary {
  margin: 0;
  color: var(--muted);
  max-width: 74ch;
  line-height: 1.65;
  font-size: 0.93rem;
  min-height: 3.1em;
  padding-bottom: 0.15rem;
}

#out-focus {
  color: var(--accent);
}

.actions {
  margin-top: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
  min-height: 2.8rem;
  padding-top: 0.1rem;
}

.btn {
  text-decoration: none;
  border-radius: 10px;
  border: 1px solid transparent;
  padding: 0.7rem 0.82rem;
  font-size: 0.84rem;
  color: #031014;
  background: linear-gradient(110deg, var(--accent-2), var(--accent));
  transition: transform 170ms ease, box-shadow 170ms ease;
}

.btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 10px 28px rgba(34, 211, 238, 0.22);
}

.btn.ghost {
  color: var(--text);
  background: rgba(148, 163, 184, 0.08);
  border-color: var(--line);
}

@keyframes gradientShift {
  0%,
  100% {
    transform: translate3d(0, 0, 0) scale(1);
  }
  50% {
    transform: translate3d(0, -14px, 0) scale(1.02);
  }
}

@keyframes gridPan {
  0% {
    transform: translate3d(0, 0, 0);
  }
  100% {
    transform: translate3d(-16px, -16px, 0);
  }
}

@keyframes cardIn {
  from {
    opacity: 0;
    transform: translateY(14px) scale(0.99);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

@keyframes blink {
  50% {
    opacity: 0;
  }
}

@media (max-width: 680px) {
  body {
    overflow: auto;
  }

  .shell {
    place-items: start;
    padding-top: 10svh;
  }

  .terminal-card {
    height: auto;
    min-height: 420px;
  }

  .terminal-body {
    height: auto;
    grid-template-rows: none;
    row-gap: 0.75rem;
  }

  .actions .btn {
    width: 100%;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation: none !important;
    transition-duration: 1ms !important;
  }
}