:root {
  color-scheme: dark;
  --bg: #030604;
  --panel: rgba(4, 18, 12, 0.82);
  --line: rgba(0, 255, 178, 0.22);
  --text: #f6fff9;
  --muted: #8b9893;
  --green: #00f5ae;
  --acid: #b8ff6b;
  --danger: #ff5f5f;
}

* {
  box-sizing: border-box;
}

body {
  min-height: 100vh;
  margin: 0;
  color: var(--text);
  font-family: "Space Grotesk", "Segoe UI", sans-serif;
  background:
    radial-gradient(circle at 20% 20%, rgba(0, 245, 174, 0.18), transparent 32rem),
    radial-gradient(circle at 90% 10%, rgba(255, 98, 0, 0.2), transparent 28rem),
    linear-gradient(135deg, #000 0%, var(--bg) 58%, #130701 100%);
}

body::before {
  position: fixed;
  inset: 0;
  pointer-events: none;
  content: "";
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.035) 1px, transparent 1px);
  background-size: 54px 54px;
  mask-image: linear-gradient(to bottom, black, transparent 85%);
}

.shell {
  display: grid;
  min-height: 100vh;
  place-items: center;
  padding: 32px;
}

.hero,
.panel {
  width: min(1040px, 100%);
  border: 1px solid var(--line);
  border-radius: 32px;
  padding: clamp(28px, 6vw, 72px);
  background: linear-gradient(145deg, var(--panel), rgba(0, 0, 0, 0.82));
  box-shadow: 0 36px 120px rgba(0, 0, 0, 0.42), inset 0 0 80px rgba(0, 245, 174, 0.04);
}

.eyebrow {
  margin: 0 0 16px;
  color: var(--green);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.3em;
  text-transform: uppercase;
}

h1 {
  max-width: 840px;
  margin: 0;
  font-size: clamp(2.8rem, 8vw, 6.6rem);
  line-height: 0.88;
  letter-spacing: -0.08em;
  text-transform: uppercase;
}

h2 {
  margin: 0 0 12px;
}

.copy {
  max-width: 680px;
  margin: 24px 0 0;
  color: var(--muted);
  font-size: 1.08rem;
  line-height: 1.7;
}

.grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  margin-top: 42px;
}

.card,
.status-card,
.instructions,
.form {
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 20px;
  background: rgba(0, 0, 0, 0.44);
}

.card {
  min-height: 180px;
  padding: 22px;
  color: inherit;
  text-decoration: none;
  transition: transform 180ms ease, border-color 180ms ease;
}

.card:hover {
  border-color: var(--green);
  transform: translateY(-4px);
}

.card span,
.status-card span {
  color: var(--green);
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.22em;
  text-transform: uppercase;
}

.card strong,
.status-card strong {
  display: block;
  margin-top: 14px;
  font-size: 1.25rem;
}

.card small,
.status-card small {
  display: block;
  margin-top: 18px;
  color: var(--muted);
  line-height: 1.5;
}

.form {
  margin-top: 32px;
  padding: 20px;
}

label {
  display: block;
  margin-bottom: 10px;
  color: var(--green);
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.22em;
  text-transform: uppercase;
}

.row {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 12px;
}

input,
button {
  min-height: 54px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 999px;
  padding: 0 20px;
  color: var(--text);
  font: inherit;
  background: rgba(0, 0, 0, 0.55);
}

button {
  border-color: transparent;
  color: #00140d;
  font-weight: 900;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  cursor: pointer;
  background: linear-gradient(135deg, var(--green), var(--acid));
}

button.ghost {
  margin-top: 16px;
  color: var(--text);
  background: rgba(255, 255, 255, 0.06);
  border-color: rgba(255, 255, 255, 0.12);
}

.status {
  margin: 14px 0 0;
  color: var(--muted);
}

.status.ok {
  color: var(--green);
}

.status.error {
  color: var(--danger);
}

.admin {
  display: grid;
  gap: 16px;
  margin-top: 22px;
}

.hidden {
  display: none;
}

.status-card,
.instructions {
  padding: 22px;
}

pre {
  overflow: auto;
  border: 1px solid rgba(0, 245, 174, 0.16);
  border-radius: 16px;
  padding: 16px;
  color: var(--green);
  background: rgba(0, 0, 0, 0.64);
}

code {
  color: var(--green);
}

@media (max-width: 820px) {
  .grid,
  .row {
    grid-template-columns: 1fr;
  }

  h1 {
    font-size: clamp(2.4rem, 16vw, 4.8rem);
  }
}