:root {
  --bg: #0d1117;
  --panel: rgba(15, 23, 32, 0.86);
  --panel-2: rgba(10, 16, 24, 0.92);
  --ink: #e6edf3;
  --muted: #94a3b8;
  --line: rgba(148, 163, 184, 0.18);
  --accent: #3fb950;
  --accent-2: #58a6ff;
  --shadow: 0 28px 90px rgba(0, 0, 0, 0.32);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "IBM Plex Sans", "Segoe UI", sans-serif;
  color: var(--ink);
  background:
    radial-gradient(circle at top left, rgba(88, 166, 255, 0.12), transparent 34%),
    radial-gradient(circle at bottom right, rgba(63, 185, 80, 0.1), transparent 28%),
    linear-gradient(180deg, #0b0f14 0%, #0d1117 40%, #111827 100%);
}

.shell {
  width: min(960px, calc(100vw - 24px));
  margin: 0 auto;
  padding: 24px 0 40px;
}

.panel {
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 28px;
  background: var(--panel);
  box-shadow: var(--shadow);
  backdrop-filter: blur(20px);
}

.eyebrow,
.sectionTitle,
.card span {
  margin: 0 0 8px;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--muted);
  font-size: 0.74rem;
}

h1 {
  margin: 0;
  font-family: "Space Grotesk", "Segoe UI", sans-serif;
  font-size: clamp(2.4rem, 7vw, 4.6rem);
  line-height: 0.95;
}

.lede {
  max-width: 44rem;
  color: var(--muted);
  line-height: 1.55;
}

.controls,
.stats {
  display: grid;
  gap: 12px;
  margin-top: 18px;
}

.controls {
  grid-template-columns: 1fr;
}

.stats {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.field span {
  display: block;
  margin-bottom: 6px;
  font-size: 0.85rem;
  color: var(--muted);
}

input,
button,
.log,
.card {
  border-radius: 18px;
}

input,
button {
  width: 100%;
  border: 1px solid var(--line);
  padding: 14px 16px;
  font-size: 1rem;
}

input {
  background: rgba(8, 13, 20, 0.82);
  color: var(--ink);
}

button {
  border: none;
  background: linear-gradient(135deg, var(--accent), #2f8f43);
  color: #04110a;
  font-weight: 700;
}

.card {
  padding: 14px 16px;
  background: rgba(8, 13, 20, 0.76);
  border: 1px solid var(--line);
}

.card strong {
  display: block;
  font-size: 1.3rem;
}

.logWrap {
  margin-top: 16px;
}

.log {
  min-height: 120px;
  margin: 0;
  padding: 16px;
  overflow: auto;
  white-space: pre-wrap;
  background: var(--panel-2);
  color: #dce5ee;
  border: 1px solid rgba(88, 166, 255, 0.12);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.03);
}

.activityPane {
  font-family: "IBM Plex Mono", "SFMono-Regular", monospace;
  font-size: 0.9rem;
  line-height: 1.45;
  color: #cbd5e1;
  word-break: break-word;
}

@media (min-width: 720px) {
  .controls {
    grid-template-columns: 1fr 220px;
    align-items: end;
  }
}

@media (max-width: 719px) {
  .stats {
    grid-template-columns: 1fr;
  }

  .panel {
    padding: 18px;
    border-radius: 20px;
  }
}