:root {
  font-family: "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;
}

body {
  margin: 0;
  min-height: 100vh;
}

.glass {
  border-radius: 18px;
  position: relative;
  overflow: hidden;
}

.glass::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.08), rgba(255, 255, 255, 0));
  pointer-events: none;
}

.glass-soft {
  box-shadow: 0 20px 60px rgba(15, 23, 42, 0.25);
}

.glass-strong {
  box-shadow: 0 30px 80px rgba(15, 23, 42, 0.35);
}

.btn-primary,
.btn-ghost {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 18px;
  border-radius: 12px;
  font-weight: 700;
  text-decoration: none;
  transition: transform 120ms ease, box-shadow 160ms ease, filter 160ms ease;
}

.btn-primary {
  background: linear-gradient(135deg, #7dd3fc, #38bdf8);
  color: #0f172a;
  box-shadow: 0 14px 32px rgba(56, 189, 248, 0.28);
}

.btn-ghost {
  background: rgba(255, 255, 255, 0.7);
  color: #0f172a;
  border: 1px solid rgba(148, 163, 184, 0.35);
}

.dark .btn-ghost {
  background: rgba(15, 23, 42, 0.7);
  color: #e2e8f0;
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.btn-primary:hover,
.btn-ghost:hover {
  transform: translateY(-1px);
  filter: brightness(1.02);
}