/* Tailwind CSS - Manual Build (เฉพาะ class ที่ใช้) */

/* Reset */
*, ::before, ::after {
  box-sizing: border-box;
  border-width: 0;
  border-style: solid;
}

/* Flexbox */
.flex { display: flex; }
.inline-flex { display: inline-flex; }
.flex-col { flex-direction: column; }
.items-center { align-items: center; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }
.gap-2 { gap: 0.5rem; }
.gap-3 { gap: 0.75rem; }

/* Grid */
.grid { display: grid; }

/* Spacing */
.m-0 { margin: 0; }
.m-1 { margin: 0.25rem; }
.m-2 { margin: 0.5rem; }
.m-3 { margin: 0.75rem; }
.m-4 { margin: 1rem; }
.mb-1 { margin-bottom: 0.25rem; }
.mb-2 { margin-bottom: 0.5rem; }
.mb-3 { margin-bottom: 0.75rem; }
.mb-4 { margin-bottom: 1rem; }
.mb-5 { margin-bottom: 1.25rem; }
.mt-1 { margin-top: 0.25rem; }
.mt-2 { margin-top: 0.5rem; }
.mt-3 { margin-top: 0.75rem; }
.mt-4 { margin-top: 1rem; }
.mx-auto { margin-left: auto; margin-right: auto; }

/* Padding */
.p-0 { padding: 0; }
.p-1 { padding: 0.25rem; }
.p-2 { padding: 0.5rem; }
.p-3 { padding: 0.75rem; }
.p-4 { padding: 1rem; }
.p-5 { padding: 1.25rem; }
.px-2 { padding-left: 0.5rem; padding-right: 0.5rem; }
.px-3 { padding-left: 0.75rem; padding-right: 0.75rem; }
.px-4 { padding-left: 1rem; padding-right: 1rem; }
.py-1 { padding-top: 0.25rem; padding-bottom: 0.25rem; }
.py-2 { padding-top: 0.5rem; padding-bottom: 0.5rem; }
.py-3 { padding-top: 0.75rem; padding-bottom: 0.75rem; }

/* Width & Height */
.w-full { width: 100%; }
.h-full { height: 100%; }
.w-6 { width: 1.5rem; }
.h-6 { height: 1.5rem; }
.w-7 { width: 1.75rem; }
.h-7 { height: 1.75rem; }
.w-14 { width: 3.5rem; }
.h-14 { height: 3.5rem; }

/* Text */
.text-center { text-align: center; }
.text-sm { font-size: 0.875rem; }
.text-xs { font-size: 0.75rem; }
.text-base { font-size: 1rem; }
.text-lg { font-size: 1.125rem; }
.font-bold { font-weight: 700; }
.font-semibold { font-weight: 600; }
.font-medium { font-weight: 500; }
.fw-light { font-weight: 300; }

/* Colors */
.text-white { color: #ffffff; }
.text-gray-400 { color: #9ca3af; }
.text-gray-500 { color: #6b7280; }
.text-gray-600 { color: #4b5563; }
.text-blue-600 { color: #2563eb; }
.text-primary { color: #0d6efd; }
.bg-white { background-color: #ffffff; }
.bg-gray-100 { background-color: #f3f4f6; }
.bg-gray-200 { background-color: #e5e7eb; }
.bg-gray-300 { background-color: #d1d5db; }
.bg-blue-600 { background-color: #2563eb; }
.bg-primary { background-color: #0d6efd; }
.bg-opacity-10 { background-color: rgba(13, 110, 253, 0.1); }

/* Border */
.border { border-width: 1px; }
.border-0 { border-width: 0; }
.rounded { border-radius: 0.25rem; }
.rounded-3 { border-radius: 0.75rem; }
.rounded-full { border-radius: 9999px; }

/* Shadow */
.shadow { box-shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1); }
.shadow-lg { box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1); }

/* Display */
.hidden { display: none; }
.block { display: block; }
.inline { display: inline; }

/* Position */
.relative { position: relative; }
.absolute { position: absolute; }
.fixed { position: fixed; }

/* Z-index */
.z-10 { z-index: 10; }
.z-50 { z-index: 50; }

/* Transitions */
.transition-all { transition-property: all; transition-duration: 150ms; }
.duration-500 { transition-duration: 500ms; }

/* Responsive */
@media (min-width: 576px) {
  .sm\\:p-5 { padding: 1.25rem; }
}

@media (min-width: 768px) {
  .md\\:p-6 { padding: 1.5rem; }
}

@media (min-width: 992px) {
  .lg\\:p-7 { padding: 1.75rem; }
}