:root {
  color-scheme: light dark;
  --shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.55);
  font-family: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

.night-theme {
  --bg: radial-gradient(circle at 20% 20%, rgba(255, 174, 96, 0.35), transparent 40%),
         radial-gradient(circle at 80% 0%, rgba(96, 196, 255, 0.35), transparent 30%),
         #0f172a;
  --card-bg: rgba(255, 255, 255, 0.06);
  --card-border: rgba(255, 255, 255, 0.18);
  --text: #e2e8f0;
  --muted: #cbd5e1;
  --accent: #f97316;
  --accent-2: #38bdf8;
  --preview-gradient: linear-gradient(135deg, rgba(249, 115, 22, 0.75), rgba(56, 189, 248, 0.75));
}

* {
  box-sizing: border-box;
}

.night-theme {
  margin: 0;
  min-height: 100vh;
  background: var(--bg);
  color: var(--text);
  display: flex;
  justify-content: center;
  padding: 40px 16px;
}

.page {
  width: min(640px, 100%);
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.hero {
  text-align: center;
  display: grid;
  gap: 12px;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 14px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: #fff;
  letter-spacing: 0.02em;
  font-weight: 700;
  text-transform: uppercase;
  font-size: 13px;
  box-shadow: var(--shadow);
}

.hero h1 {
  margin: 0;
  font-size: clamp(32px, 4vw, 46px);
  letter-spacing: -0.02em;
}

.lead {
  margin: 0;
  color: var(--muted);
  font-size: clamp(16px, 2vw, 18px);
}

.link-grid {
  display: grid;
  gap: 18px;
}

.link-card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 18px;
  padding: 18px;
  display: grid;
  gap: 14px;
  box-shadow: var(--shadow);
  backdrop-filter: blur(12px);
  transition: transform 180ms ease, border-color 180ms ease;
  position: relative;
}

.link-card:hover {
  transform: translateY(-6px);
  border-color: rgba(255, 255, 255, 0.35);
}

.preview {
  background: var(--preview-gradient);
  border-radius: 12px;
  padding: 14px;
  position: relative;
  overflow: hidden;
  display: grid;
  gap: 6px;
  min-height: 110px;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.2);
}

.preview::after {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 20% 20%, rgba(255, 255, 255, 0.35), transparent 40%),
              radial-gradient(circle at 80% 80%, rgba(255, 255, 255, 0.35), transparent 50%);
  opacity: 0.85;
}

.preview-label {
  z-index: 1;
  background: rgba(15, 23, 42, 0.55);
  color: #fff;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: 999px;
  align-self: start;
  width: fit-content;
  text-transform: uppercase;
  font-size: 12px;
}

.preview-body {
  z-index: 1;
  display: grid;
  gap: 4px;
}

.preview-title {
  margin: 0;
  font-weight: 700;
  font-size: 16px;
}

.preview-text {
  margin: 0;
  color: #0f172a;
  font-weight: 600;
  font-size: 14px;
}

.link-content {
  display: grid;
  gap: 8px;
}

.link-title {
  margin: 0;
  font-weight: 700;
  font-size: 18px;
}

.link-description {
  margin: 0;
  color: var(--muted);
  font-size: 15px;
}

.link-button {
  display: inline-flex;
  justify-content: center;
  align-items: center;
  gap: 8px;
  padding: 10px 14px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #0f172a;
  font-weight: 800;
  text-decoration: none;
  border: none;
  box-shadow: 0 12px 30px rgba(56, 189, 248, 0.25);
  transition: transform 120ms ease, box-shadow 120ms ease;
}

.link-button:hover {
  transform: translateY(-1px);
  box-shadow: 0 15px 36px rgba(56, 189, 248, 0.35);
}

.footer {
  text-align: center;
  color: var(--muted);
  font-size: 14px;
  padding: 12px 0 6px;
}

@media (max-width: 640px) {
  .night-theme {
    padding: 24px 12px;
  }

  .link-card {
    grid-template-columns: 1fr;
  }
}