@charset "utf-8";

/* --- 1. Root Variables & Font Loading --- */
:root {
  --primary-color: #0b7285;       /* ฟ้าอมเขียวการแพทย์ ดูเป็นมืออาชีพ */
  --primary-light: #e6fcf5;
  --text-main: #2b2f33;           /* สีเทาเข้ม อ่านง่าย สบายตากว่าดำสนิท */
  --text-muted: #5c646b;
  --bg-page: #f8fafc;
  --bg-surface: #ffffff;
  --border-color: #e2e8f0;
  --accent-color: #e67700;
  --radius-sm: 6px;
  --radius-md: 12px;
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.06);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.08);
}

@font-face {
  font-family: 'Kanit';
  src: url('/css/font/Kanit-Regular.woff2') format('woff2');
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: 'Kanit';
  src: url('/css/font/Kanit-Bold.woff2') format('woff2');
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}

/* --- 2. Base Reset --- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: 'Kanit', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background-color: var(--bg-page);
  color: var(--text-main);
  line-height: 1.75;
  font-size: 18px;
  -webkit-font-smoothing: antialiased;
}

a {
  color: var(--primary-color);
  text-decoration: none;
  transition: color 0.2s;
}

a:hover {
  text-decoration: underline;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

/* --- 3. Layout: Single Column Wrapper --- */
.site-wrapper {
  max-width: 860px; /* ขนาดกว้างเหมาะสมที่สุดสำหรับการอ่านบทความ */
  margin: 0 auto;
  background: var(--bg-surface);
  box-shadow: var(--shadow-sm);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.content-container {
  padding: 24px 28px;
  flex-grow: 1;
}

/* --- 4. Header & Navigation --- */
.site-header {
  padding: 0 0 16px 0;
  text-align: center;
  border-bottom: 1px solid var(--border-color);
}

.site-logo {
  max-width: 100%;
  width: 100%;
  margin: 0 auto 16px;
}

.site-logo img {
  width: 100%;
  height: auto;
  display: block;
}

.main-nav ul {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 8px 16px;
}

.main-nav a {
  font-size: 16px;
  font-weight: 500;
  color: var(--text-main);
  padding: 4px 8px;
  border-radius: var(--radius-sm);
}

.main-nav a:hover {
  background-color: var(--primary-light);
  color: var(--primary-color);
  text-decoration: none;
}

/* Breadcrumb */
.breadcrumb {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  font-size: 14px;
  color: var(--text-muted);
  margin-bottom: 20px;
}

.breadcrumb li+li::before {
  content: "/";
  padding: 0 8px;
  color: var(--border-color);
}
/* Menu */
.menu {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  font-size: 14px;
  color: var(--text-muted);
  margin-bottom: 20px;
}

.menu li+li::before {
  content: "/";
  padding: 0 8px;
  color: var(--border-color);
}

/* --- 5. Article Typography --- */
.article-header {
  margin-bottom: 28px;
}

.article-header h1 {
  font-size: 32px;
  line-height: 1.35;
  color: var(--primary-color);
  margin-bottom: 12px;
}

.article-meta {
  font-size: 14px;
  color: var(--text-muted);
}

.article-body h2 {
  font-size: 24px;
  color: #1a365d;
  margin: 32px 0 14px;
  padding-bottom: 6px;
  border-bottom: 2px solid var(--primary-light);
}

.article-body h3 {
  font-size: 20px;
  color: var(--primary-color);
  margin: 24px 0 10px;
}

.article-body p {
  margin-bottom: 18px;
}

.article-body ul, .article-body ol {
  margin: 0 0 20px 24px;
  padding-left: 8px;
}

.article-body li {
  margin-bottom: 8px;
}

/* Responsive Table */
.table-responsive {
  overflow-x: auto;
  margin: 24px 0;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-color);
}

table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 16px;
}

th, td {
  padding: 12px 16px;
  border-bottom: 1px solid var(--border-color);
}

th {
  background-color: var(--primary-light);
  color: var(--primary-color);
  font-weight: bold;
}

/* Responsive Embed (Video / iframe) */
.media-embed {
  position: relative;
  width: 100%;
  padding-bottom: 56.25%; /* 16:9 */
  height: 0;
  margin: 24px 0;
}

.media-embed iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border: 0;
  border-radius: var(--radius-sm);
}

/* --- 6. End-of-Article Sections --- */

/* References */
.references-section {
  background: var(--bg-page);
  padding: 16px 20px;
  border-radius: var(--radius-md);
  margin-top: 36px;
  font-size: 15px;
}

.references-section h4 {
  font-size: 16px;
  margin-bottom: 8px;
}

.references-section ol {
  margin: 0 0 0 20px;
}

/* Medical Disclaimer */
.medical-disclaimer {
  border-left: 4px solid var(--accent-color);
  background: #fff9db;
  padding: 14px 18px;
  font-size: 14px;
  line-height: 1.6;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  margin-top: 20px;
}

/* Author Box (E-E-A-T) */
.author-box {
  display: flex;
  align-items: center;
  gap: 16px;
  background: var(--primary-light);
  border: 1px solid #c3fae8;
  padding: 18px 20px;
  border-radius: var(--radius-md);
  margin-top: 20px;
}

.author-info h4 {
  font-size: 17px;
  margin-bottom: 4px;
  color: var(--primary-color);
}

.author-info p {
  font-size: 14px;
  color: var(--text-muted);
  margin: 0;
}

/* Topic Cluster / Related Articles */
.cluster-section {
  margin-top: 36px;
  padding-top: 24px;
  border-top: 1px solid var(--border-color);
}

.cluster-section h3 {
  font-size: 20px;
  margin-bottom: 14px;
}

.cluster-list {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  list-style: none;
}

.cluster-list li {
  width: calc(50% - 6px);
  box-sizing: border-box;
}

.cluster-list li a {
  display: block;
  padding: 12px 14px;
  background: var(--bg-page);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  font-size: 15px;
  font-weight: 500;
}

.cluster-list li a:hover {
  background: #eef2f6;
  text-decoration: none;
}

/* --- Partner Card (ภรรยา / สอนทำอาหาร) --- */
.partner-card {
  margin-top: 32px;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 16px;
  display: flex;
  align-items: center;
  gap: 16px;
  background: #fff;
  box-shadow: var(--shadow-sm);
}

.partner-card img {
  width: 280px;          /* ขนาด 280px บนคอม */
  max-width: 100%;
  height: auto;
  border-radius: var(--radius-sm);
  flex-shrink: 0;
}

.partner-content h4 {
  font-size: 16px;
  margin-bottom: 4px;
}

.partner-content p {
  font-size: 14px;
  color: var(--text-muted);
  margin-bottom: 8px;
}

.btn-partner {
  display: inline-block;
  background-color: #1877f2;
  color: #ffffff;
  padding: 6px 14px;
  border-radius: 20px;
  font-size: 13px;
  font-weight: 500;
  transition: background-color 0.2s ease;
}

.btn-partner:hover {
  background-color: #145dbf;
  color: #ffffff;
  text-decoration: none;
}

/* --- 7. Site Footer --- */
.site-footer {
  margin-top: auto;
  border-top: 1px solid var(--border-color);
  background: var(--bg-page);
  padding: 24px 20px;
  text-align: center;
  font-size: 14px;
  color: var(--text-muted);
}

.site-footer a {
  color: var(--text-muted);
}

.site-footer a:hover {
  color: var(--primary-color);
}

.footer-links {
  margin-bottom: 12px;
}

/* --- 8. Responsive Adjustments (มือถือ) --- */
@media (max-width: 600px) {
  body {
    font-size: 17px;
  }
  .content-container {
    padding: 16px;
  }
  .article-header h1 {
    font-size: 26px;
  }
  .cluster-list li {
    width: 100%;
  }
  .partner-card {
    flex-direction: column;
    text-align: center;
    padding: 16px 12px;
  }
  .partner-card img {
    width: 100%;
    max-width: 320px;
    margin: 0 auto 12px;
  }
}