:root {
  color-scheme: dark;
  --bg: #06111d;
  --panel: rgba(8, 28, 45, 0.86);
  --panel-2: rgba(9, 38, 59, 0.92);
  --border: rgba(41, 205, 255, 0.22);
  --text: #eef7ff;
  --muted: #9bb8cc;
  --cyan: #20d6ff;
  --blue: #238cff;
  --ok: #39f5a6;
  --warn: #ffd166;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at 15% 10%, rgba(32, 214, 255, 0.22), transparent 32rem),
    radial-gradient(circle at 88% 18%, rgba(35, 140, 255, 0.18), transparent 28rem),
    linear-gradient(135deg, #04101b, var(--bg));
}

a {
  color: var(--cyan);
}

.shell {
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
  padding: 42px 0 28px;
}

.hero,
.grid {
  display: grid;
  grid-template-columns: 1.55fr 1fr;
  gap: 22px;
}

.hero {
  align-items: stretch;
  margin-bottom: 22px;
}

.hero > div,
.panel,
.mini,
.status-card {
  border: 1px solid var(--border);
  background: linear-gradient(145deg, var(--panel), rgba(4, 18, 31, 0.76));
  box-shadow: 0 18px 60px rgba(0, 0, 0, 0.36);
  border-radius: 24px;
}

.hero > div {
  padding: 34px;
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--cyan);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  margin-bottom: 12px;
  font-size: clamp(3rem, 8vw, 6.8rem);
  line-height: 0.88;
  letter-spacing: -0.08em;
}

.lead {
  max-width: 760px;
  color: #c5dded;
  font-size: 1.12rem;
  line-height: 1.7;
}

.badges {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 24px;
}

.badges span,
.panel-title span {
  border: 1px solid rgba(32, 214, 255, 0.28);
  border-radius: 999px;
  padding: 8px 12px;
  color: #cff5ff;
  background: rgba(32, 214, 255, 0.08);
}

.status-card {
  padding: 28px;
}

.status-card p {
  color: var(--muted);
}

.status-card strong {
  display: block;
  color: var(--ok);
  font-size: 2.2rem;
  margin-bottom: 10px;
}

.status-card small {
  color: var(--muted);
  line-height: 1.6;
}

.panel,
.mini {
  padding: 24px;
}

.panel-title {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  margin-bottom: 20px;
}

.panel-title h2,
.mini h3 {
  margin: 0;
}

label {
  display: grid;
  gap: 8px;
  margin-bottom: 18px;
  color: #cce8f6;
  font-weight: 700;
}

input,
select,
button {
  width: 100%;
  border: 1px solid rgba(32, 214, 255, 0.28);
  border-radius: 15px;
  padding: 13px 14px;
  color: var(--text);
  background: rgba(4, 18, 31, 0.92);
}

button {
  cursor: pointer;
  border: 0;
  font-weight: 900;
  letter-spacing: 0.02em;
  background: linear-gradient(90deg, var(--blue), var(--cyan));
  color: white;
}

button:disabled {
  cursor: wait;
  filter: grayscale(0.7);
  opacity: 0.7;
}

.notice {
  margin: 18px 0 0;
  color: var(--warn);
  line-height: 1.55;
}

pre {
  overflow: auto;
  max-height: 440px;
  margin: 0;
  border: 1px solid rgba(32, 214, 255, 0.14);
  border-radius: 16px;
  padding: 16px;
  color: #cbefff;
  background: rgba(0, 0, 0, 0.24);
  white-space: pre-wrap;
  word-break: break-word;
}

.download {
  display: inline-flex;
  margin-top: 14px;
  border-radius: 999px;
  padding: 11px 16px;
  text-decoration: none;
  color: #06111d;
  background: var(--ok);
  font-weight: 900;
}

.hidden {
  display: none;
}

.three {
  grid-template-columns: repeat(3, 1fr);
  margin-top: 22px;
}

.mini p {
  margin-bottom: 10px;
}

footer {
  margin-top: 22px;
  color: var(--muted);
  text-align: center;
  line-height: 1.6;
}

@media (max-width: 840px) {
  .hero,
  .grid,
  .three {
    grid-template-columns: 1fr;
  }

  .hero > div {
    padding: 24px;
  }
}