body {
  font-family: 'Sarabun', 'Poppins', sans-serif;
  background: #f0f9ff;
  color: #155e75;
}

.glass {
  background: #fff;
  backdrop-filter: blur(6px);
  border: 1px solid #e0f2fe;
}

.gradient-card {
  background: #fff;
  box-shadow: 0 2px 8px 0 rgba(56,189,248,0.06);
}
.icon-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: #e0f2fe;
  color: #0ea5e9;
  font-size: 1.3rem;
  box-shadow: 0 1px 4px 0 rgba(56,189,248,0.08);
  transition: transform 0.2s, box-shadow 0.2s;
}
.icon-btn:hover {
  transform: scale(1.15);
  box-shadow: 0 2px 8px 0 rgba(56,189,248,0.12);
  background: #bae6fd;
  color: #155e75;
}

/* ปรับ card, modal, ปุ่ม ให้เน้นฟ้า-ขาว เรียบง่าย */
.shadow-xl, .shadow-lg, .shadow-2xl {
  box-shadow: 0 2px 8px 0 rgba(56,189,248,0.06);
}

.rounded-2xl, .rounded-full, .rounded-lg {
  border-radius: 1rem;
}
.modal-open { overflow: hidden; }