/**
 * tailwind-custom.css - ไฟล์ CSS สำหรับใช้แทน Tailwind CSS จาก CDN
 */

/* Base Styles */
:root {
  --color-primary-light: #4F46E5;
  --color-primary-dark: #6366F1;
  --color-secondary-light: #0EA5E9;
  --color-secondary-dark: #38BDF8;
}

/* Reset & Base */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: 'Sarabun', sans-serif;
  background-color: white;
  color: #1f2937;
  line-height: 1.5;
}

.dark body {
  background-color: #111827;
  color: #e5e7eb;
}

/* Layout */
.min-h-screen {
  min-height: 100vh;
}

.flex {
  display: flex;
}

.flex-col {
  flex-direction: column;
}

.flex-grow {
  flex-grow: 1;
}

.flex-wrap {
  flex-wrap: wrap;
}

.justify-center {
  justify-content: center;
}

.justify-start {
  justify-content: flex-start;
}

.container-custom {
  max-width: 1024px;
  margin-left: auto;
  margin-right: auto;
  padding-left: 1rem;
  padding-right: 1rem;
}

@media (min-width: 640px) {
  .container-custom {
    padding-left: 1.5rem;
    padding-right: 1.5rem;
  }
}

@media (min-width: 1024px) {
  .container-custom {
    padding-left: 2rem;
    padding-right: 2rem;
  }
}

/* Spacing */
.p-2 {
  padding: 0.5rem;
}

.p-4 {
  padding: 1rem;
}

.p-6 {
  padding: 1.5rem;
}

.py-4 {
  padding-top: 1rem;
  padding-bottom: 1rem;
}

.py-6 {
  padding-top: 1.5rem;
  padding-bottom: 1.5rem;
}

.py-8 {
  padding-top: 2rem;
  padding-bottom: 2rem;
}

.px-4 {
  padding-left: 1rem;
  padding-right: 1rem;
}

.mt-2 {
  margin-top: 0.5rem;
}

.mt-20 {
  margin-top: 5rem;
}

.mb-2 {
  margin-bottom: 0.5rem;
}

.mb-4 {
  margin-bottom: 1rem;
}

.mb-8 {
  margin-bottom: 2rem;
}

.gap-6 {
  gap: 1.5rem;
}

/* Typography */
.text-center {
  text-align: center;
}

.text-sm {
  font-size: 0.875rem;
}

.text-xl {
  font-size: 1.25rem;
}

.text-2xl {
  font-size: 1.5rem;
}

.font-mono {
  font-family: ui-monospace, monospace;
}

.font-semibold {
  font-weight: 600;
}

.font-bold {
  font-weight: 700;
}

/* Colors */
.bg-white {
  background-color: white;
}

.bg-gray-100 {
  background-color: #f3f4f6;
}

.bg-gray-200 {
  background-color: #e5e7eb;
}

.text-white {
  color: white;
}

.text-gray-400 {
  color: #9ca3af;
}

.text-gray-600 {
  color: #4b5563;
}

.text-gray-800 {
  color: #1f2937;
}

.text-primary-light {
  color: var(--color-primary-light);
}

/* Dark Mode */
.dark .bg-gray-700 {
  background-color: #374151;
}

.dark .bg-gray-800 {
  background-color: #1f2937;
}

.dark .bg-gray-900 {
  background-color: #111827;
}

.dark .text-gray-200 {
  color: #e5e7eb;
}

.dark .text-gray-400 {
  color: #9ca3af;
}

.dark .text-primary-dark {
  color: var(--color-primary-dark);
}

/* ลบ selector เฉพาะเจาะจงและใช้ class ที่ body แทน */
.dark .content-block h3 {
  color: #f8fafc; /* สว่างมากแต่ไม่ขาวล้วน */
}

.dark .content-block p {
  color: #e2e8f0; /* สีเทาสว่างมาก (สว่างกว่า gray-300 แต่ไม่ขาวล้วน) */
}

/* Components */
.rounded {
  border-radius: 0.25rem;
}

.rounded-lg {
  border-radius: 0.5rem;
}

.shadow {
  box-shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
}

.shadow-md {
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
}

.transition {
  transition-property: background-color, border-color, color, fill, stroke, opacity, box-shadow, transform;
  transition-timing-function: cubic-bezier(0.4, 0, 0.2, 1);
  transition-duration: 300ms;
}

.hover\:shadow-md:hover {
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
}

/* Custom Components */
.btn-primary {
  padding: 0.5rem 1rem;
  background-color: var(--color-primary-light);
  color: white;
  border-radius: 0.25rem;
  transition: background-color 300ms;
}

.btn-primary:hover {
  background-color: #4338ca; /* indigo-700 */
}

.dark .btn-primary {
  background-color: var(--color-primary-dark);
}

.dark .btn-primary:hover {
  background-color: #818cf8; /* indigo-400 */
}

/* Content Block Responsive Layout */
.content-blocks-container {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-start;
  width: 100%;
  gap: 0;
}

.content-block {
  background-color: white;
  border-radius: 0.5rem;
  box-shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
  padding: 1.5rem;
  transition: box-shadow 300ms;
  width: 100%; /* เต็มหน้าจอสำหรับขนาดเล็ก (< 640px) */
  margin-bottom: 1.5rem;
}

.content-block:hover {
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
}

.dark .content-block {
  background-color: #1f2937;
}

/* ปรับขนาดตามขนาดจอ */
@media (min-width: 640px) and (max-width: 959px) {
  .content-block {
    width: calc(50% - 0.75rem); /* 2 อันต่อแถว สำหรับจอขนาดกลาง */
    margin-bottom: 1.5rem;
    margin-right: 1.5rem;
  }
  
  .content-block:nth-child(2n) {
    margin-right: 0;
  }
}

@media (min-width: 960px) {
  .content-block {
    width: calc(33.333% - 1rem); /* 3 อันต่อแถว สำหรับจอขนาดใหญ่ */
    margin-bottom: 1.5rem;
    margin-right: 1.5rem;
  }
  
  .content-block:nth-child(3n) {
    margin-right: 0;
  }
  
  .content-blocks-container {
    max-width: 1024px;
    margin: 0 auto;
  }
}

.header-fixed {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 50;
  background-color: #f3f4f6;
  box-shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
}

.dark .header-fixed {
  background-color: #1f2937;
}

.main-content {
  margin-top: 5rem;
}

/* Utility */
.block {
  display: block;
}

.hidden {
  display: none;
}