:root {
  color-scheme: dark;
  --bg: #07111f;
  --card: rgba(10, 24, 42, 0.92);
  --text: #f3f7ff;
  --muted: #8ea2bf;
  --accent: #4f8cff;
  --accent-2: #53d2ff;
  --border: rgba(255, 255, 255, 0.14);
  --shadow: 0 20px 60px rgba(0, 0, 0, 0.34);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: 'Inter', sans-serif;
  min-height: 100vh;
  background: radial-gradient(circle at top left, rgba(83, 210, 255, 0.18), transparent 30%), linear-gradient(135deg, var(--bg), #14263f 55%, #0b1829);
  color: var(--text);
}

.page-shell {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 20px;
}

.hero-card {
  width: min(1150px, 100%);
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 24px;
  padding: clamp(20px, 3vw, 32px);
  border: 1px solid var(--border);
  border-radius: 26px;
  background: var(--card);
  backdrop-filter: blur(24px);
  box-shadow: var(--shadow);
}

.eyebrow {
  margin: 0 0 8px;
  font-size: 0.85rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent-2);
  font-weight: 700;
}

h1 {
  margin: 0 0 12px;
  font-size: clamp(1.9rem, 3vw, 2.7rem);
  line-height: 1.2;
}

.hero-copy p {
  color: var(--muted);
  line-height: 1.7;
  max-width: 560px;
}

.guide-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 14px;
}

.guide-link {
  display: inline-block;
  padding: 10px 14px;
  border-radius: 999px;
  background: rgba(83, 210, 255, 0.16);
  color: var(--text);
  text-decoration: none;
  font-weight: 600;
  border: 1px solid rgba(83, 210, 255, 0.25);
  transition: transform 0.2s ease, background 0.2s ease;
}

.guide-link:hover,
.primary-btn:hover,
.secondary-btn:hover {
  transform: translateY(-1px);
}

.hero-panel {
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 18px;
  background: rgba(255, 255, 255, 0.035);
}

.tab-list {
  display: flex;
  gap: 8px;
  margin-bottom: 16px;
}

.tab {
  flex: 1;
  border: 1px solid var(--border);
  background: transparent;
  color: var(--text);
  padding: 10px 12px;
  border-radius: 999px;
  cursor: pointer;
  font-weight: 600;
}

.tab.active {
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  border-color: transparent;
}

.panel h2 {
  margin-top: 0;
}

.panel p,
label {
  color: var(--muted);
}

.primary-btn {
  width: 100%;
  border: 0;
  border-radius: 12px;
  padding: 12px 14px;
  margin-top: 10px;
  font-weight: 700;
  color: white;
  cursor: pointer;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  box-shadow: 0 10px 24px rgba(79, 140, 255, 0.22);
}

form {
  display: grid;
  gap: 12px;
}

input {
  margin-top: 6px;
  width: 100%;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.04);
  color: var(--text);
  padding: 10px 12px;
}

.info-box,
.status-box {
  margin-top: 14px;
  padding: 12px 14px;
  border-radius: 12px;
  background: rgba(83, 210, 255, 0.12);
  border: 1px solid rgba(83, 210, 255, 0.25);
}

.info-box ul {
  margin: 8px 0 0 18px;
  padding: 0;
}

.info-box p {
  margin-bottom: 0;
}

.success-card {
  max-width: 640px;
  width: 100%;
  padding: 32px;
  border: 1px solid rgba(83, 210, 255, 0.25);
  border-radius: 24px;
  background: var(--card);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.32);
  text-align: center;
}

.success-card h1 {
  margin-bottom: 12px;
}

.success-card p {
  color: var(--muted);
  line-height: 1.7;
}

.success-card .primary-btn {
  margin-top: 16px;
  max-width: 240px;
}

.actions-row {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px;
  margin-top: 16px;
}

.secondary-btn {
  border: 1px solid rgba(83, 210, 255, 0.25);
  border-radius: 12px;
  padding: 12px 14px;
  font-weight: 700;
  color: var(--text);
  cursor: pointer;
  background: rgba(255, 255, 255, 0.05);
}

.status-label {
  display: inline-block;
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--accent-2);
  margin-bottom: 6px;
}

@media (max-width: 840px) {
  .page-shell {
    padding: 12px;
  }

  .hero-card {
    grid-template-columns: 1fr;
    padding: 18px;
  }

  .tab-list {
    flex-direction: column;
  }

  .guide-links,
  .actions-row {
    flex-direction: column;
  }

  .success-card {
    padding: 20px;
  }
}