main {
  width: 1000px;
  margin: 4rem auto 0;
  padding: 30px;
  background: #ffffff;
  color: #1a1a1a;
  line-height: 1.55;
}

/***************************************** Breadcrumbs section ******************************************/
.breadcrumbs {
  font-size: 14px;
  margin: 20px 0;
  padding-bottom: 18px;
  border-bottom: 2px solid transparent;
  border-image: linear-gradient(to right, #2563eb, #60a5fa, #2563eb) 1;
  color: #555;
}

.breadcrumbs a {
  color: #0b3d91;
  text-decoration: none;
  margin: 0 6px;
}

.breadcrumbs a:hover {
  text-decoration: underline;
}

.breadcrumbs span {
  color: #333;
  margin-left: 5px;
  cursor: default;
}

/***************************************** Note Header section ******************************************/
.note-header {
  background: linear-gradient(135deg, #eef6ff 0%, #f0f7ff 100%);
  border: 1px solid #dce7f9;
  border-radius: 16px;
  padding: 32px;
  margin-bottom: 24px;
  margin-top: 2.5rem;
  box-shadow: 0 6px 20px rgba(11,61,145,0.06);
}

.note-title-section {
  margin-bottom: 18px;
}

.note-title {
  font-size: 32px;
  font-weight: 700;
  color: #0b3d91;
  margin-bottom: 25px;
  cursor: default;
}

.author-info {
  display: flex;
  align-items: center;
  gap: 12px;
}

.author-avatar {
  width: 50px;
  height: 50px;
  border-radius: 50%;
  border: 2px solid #c7daf9;
  cursor: pointer;
}

.author-name a{
  text-decoration: none;
  color: #0b3d91;
  font-weight: 600;
  font-size: 16px;
}

.author-name a:hover{
  text-decoration: underline;
}

.author-role {
  font-size: 13px;
  color: #6b7280;
  margin-top: 2px;
  cursor: default;
}

.stat-btn-section {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 20px;
}

.meta-stats {
  display: flex;
  gap: 20px;
  color: #555;
  font-size: 13px;
  cursor: default;
}

.meta-stats span {
  display: flex;
  align-items: center;
  gap: 6px;
}

.meta-stats i {
  width: 15px;
  height: 15px;
  color: #0b3d91;
}

.action-buttons {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.action-buttons button {
  padding: 9px 15px;
  border-radius: 12px;
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s ease;
  display: flex;
  align-items: center;
  gap: 8px;
}

.action-buttons i {
  width: 15px;
  height: 15px;
}

.btn-favorite {
  background: #fff;
  border: 1px solid #c7daf9;
  color: #0b3d91;
  transition: all 0.2s ease;
}

.btn-favorite:hover {
  background: #fef3c7;
  border-color: #fbbf24;
  color: #d97706;
  transform: translateY(-2px);
}

.btn-download {
  background: #0b3d91;
  border: 1px solid #0b3d91;
  color: #fff;
  transition: all 0.2s ease;
}

.btn-download:hover {
  background: #093372;
  transform: translateY(-2px);
}

.btn-share {
  background: #fff;
  border: 1px solid #c7daf9;
  color: #0b3d91;
  transition: all 0.2s ease;
}

.btn-share:hover {
  background: #eef6ff;
  transform: translateY(-2px);
}

/***************************************** Note Info Box ******************************************/
.note-info-box {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 20px;
  background: #f9fafb;
  border: 1px solid #e5e7eb;
  border-radius: 14px;
  padding: 24px;
  margin-bottom: 24px;
}

.info-item {
  display: flex;
  align-items: center;
  gap: 12px;
  cursor: default;
}

.info-item i {
  width: 20px;
  height: 20px;
}

.info-label {
  font-size: 12px;
  color: #6b7280;
  margin-bottom: 2px;
}

.info-value {
  font-size: 15px;
  font-weight: 600;
  color: #1a1a1a;
}

/***************************************** Tags section ******************************************/
.tags-section {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 28px;
}

.tag {
  padding: 6px 14px;
  border-radius: 50px;
  background: #eef6ff;
  border: 1px solid #c7daf9;
  font-size: 13px;
  color: #0b3d91;
  cursor: default;
  transition: all 0.2s ease;
}

.tag:hover {
  background: #dce7f9;
}

/***************************************** Description section ******************************************/
.description-section {
  margin-bottom: 32px;
}

.description-section h2 {
  font-size: 20px;
  font-weight: 600;
  color: #0b3d91;
  margin-bottom: 16px;
  padding-bottom: 8px;
  border-bottom: 2px solid #eef6ff;
}

.description-section p {
  font-size: 15px;
  line-height: 1.7;
  color: #333;
  margin-bottom: 12px;
}

/***************************************** Table of Contents ******************************************/
.toc-section {
  background: #f9fafb;
  border: 1px solid #e5e7eb;
  border-radius: 14px;
  padding: 24px;
  margin-bottom: 32px;
}

.toc-section h2 {
  font-size: 20px;
  font-weight: 600;
  color: #0b3d91;
  margin-bottom: 16px;
}

.toc-list {
  counter-reset: item;
  padding-left: 0;
}

.toc-list li {
  counter-increment: item;
  margin-bottom: 10px;
  list-style: none;
}

.toc-list li::before {
  content: counter(item) ". ";
  color: #0b3d91;
  font-weight: 600;
  margin-right: 8px;
}

.toc-list ol {
  counter-reset: subitem;
  margin-top: 8px;
  margin-left: 28px;
}

.toc-list ol li {
  counter-increment: subitem;
  margin-bottom: 6px;
}

.toc-list ol li::before {
  content: counter(item) "." counter(subitem) " ";
}

.toc-list a {
  color: #333;
  text-decoration: none;
  transition: color 0.2s ease;
}

.toc-list a:hover {
  color: #0b3d91;
  text-decoration: underline;
}

/***************************************** Content section ******************************************/
.content-section {
  background: #fff;
  border: 1px solid #e5e7eb;
  border-radius: 14px;
  padding: 24px;
  margin-bottom: 32px;
}

.content-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
}

.content-header h2 {
  font-size: 20px;
  font-weight: 600;
  color: #0b3d91;
}

.btn-fullscreen {
  padding: 6px 15px;
  background: #eef6ff;
  border: 1px solid #c7daf9;
  border-radius: 10px;
  color: #0b3d91;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  transition: all 0.2s ease;
}

.btn-fullscreen:hover {
  background: #dce7f9;
}

.content-container {
  background: #f9fafb;
  border: 1px solid #e5e7eb;
  border-radius: 12px;
  min-height: 400px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

/***************************************** Rating section ******************************************/
.rating-section {
  text-align: center;
  padding: 32px;
  background: linear-gradient(135deg, #fef3c7 0%, #fef9e7 100%);
  border: 1px solid #fcd34d;
  border-radius: 14px;
  margin-bottom: 32px;
}

.rating-section h2 {
  font-size: 20px;
  font-weight: 600;
  color: #92400e;
  margin-bottom: 16px;
}

.rating-box {
  display: inline-block;
}

.stars {
  display: flex;
  gap: 8px;
  font-size: 32px;
  margin-bottom: 12px;
  justify-content: center;
}

.star {
  color: #e5e7eb;
  cursor: pointer;
  transition: all 0.2s ease;
}

.star.active,
.star.hover {
  color: #fbbf24;
  transform: scale(1.15);
}

.rating-text {
  font-size: 14px;
  color: #92400e;
}

/***************************************** Comments section ******************************************/
.comments-section {
  margin-bottom: 32px;
}

.comments-section h2 {
  font-size: 20px;
  font-weight: 600;
  color: #0b3d91;
  margin-bottom: 20px;
  padding-bottom: 8px;
  border-bottom: 2px solid #eef6ff;
}

.comment-form {
  margin-bottom: 24px;
}

.comment-form textarea {
  width: 97.5%;
  min-height: 100px;
  max-height: 300px;
  padding: 12px;
  border: 1px solid #e5e7eb;
  border-radius: 12px;
  font-size: 14px;
  resize: vertical;
  font-family: inherit;
}

.comment-form textarea:focus {
  outline: none;
  border-color: #0b3d91;
  box-shadow: 0 0 0 3px rgba(11,61,145,0.1);
}

.btn-comment {
  margin-top: 12px;
  padding: 10px 24px;
  background: #0b3d91;
  border: none;
  border-radius: 10px;
  color: #fff;
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s ease;
}

.btn-comment:hover {
  background: #093372;
  transform: translateY(-2px);
}

.comments-list {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.comment {
  background: #f9fafb;
  border: 1px solid #e5e7eb;
  border-radius: 12px;
  padding: 20px;
}

.comment-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 12px;
}

.comment-avatar {
  width: 32px;
  height: 32px;
  border-radius: 50%;
}

.comment-author {
  font-weight: 600;
  color: #1a1a1a;
  font-size: 14px;
}

.comment-time {
  font-size: 12px;
  color: #6b7280;
  margin-top: 2px;
}

.comment-text {
  font-size: 14px;
  line-height: 1.6;
  color: #333;
  margin-bottom: 12px;
}

.comment-actions {
  display: flex;
  gap: 12px;
}

.btn-like,
.btn-reply {
  padding: 6px 12px;
  background: #fff;
  border: 1px solid #e5e7eb;
  border-radius: 8px;
  font-size: 13px;
  cursor: pointer;
  transition: all 0.2s ease;
  display: flex;
  align-items: center;
  gap: 4px;
}

.btn-like:hover,
.btn-reply:hover {
  background: #eef6ff;
  border-color: #c7daf9;
}

.btn-like i {
  width: 14px;
  height: 14px;
}

/***************************************** Related Notes section ******************************************/
.related-section {
  margin-bottom: 32px;
}

.related-section h2 {
  font-size: 20px;
  font-weight: 600;
  color: #0b3d91;
  margin-bottom: 20px;
  padding-bottom: 8px;
  border-bottom: 2px solid #eef6ff;
}

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(270px, 1fr));
  gap: 20px;
}

.card {
  display: flex;
  flex-direction: column;
  gap: 10px;
  background: #fff;
  border: 1px solid #e5e7eb;
  border-radius: 14px;
  padding: 20px;
  box-shadow: 0 4px 10px rgba(0,0,0,0.08);
  transition: all 0.3s ease;
}
.card:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 20px rgba(0,0,0,0.15);
}

.card header {
  display: flex;
  justify-content: space-between;
  gap: 10px;
}

.title-wrap {
  flex: 1;
  min-width: 0;
  margin-right: 8px;
}

.title {
  display: -webkit-box; 
  -webkit-line-clamp: 2;
  line-clamp: 2;
  -webkit-box-orient: vertical; 
  overflow: hidden;
}

.title a{
  text-decoration: none;
  color: #0b3d91; 
  font-size: 16px;
  font-weight: 700;
}

.title a:hover{
  text-decoration: underline;
}

.fav-btn {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  border: 1px solid #e5e7eb;
  background: #fff;
  cursor: pointer;
  color: #fbbf24;
  transition: all 0.2s ease;
}

.fav-btn:hover { 
  background: #fef3c7;
  border-color: #fbbf24;
  color: #d97706;
}

.meta {
  display: flex;
  gap: 8px;
  color: #6b7280;
  font-size: 13px;
  margin-top: 5px;
}

.meta span {
  max-width: 200px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.desc {
  color: #555; 
  font-size: 14px; 
  line-height: 1.45; 
  margin-top: 6px;
  display: -webkit-box;
  -webkit-box-orient: vertical; 
  overflow: hidden; 
  text-overflow: ellipsis;
}

/* ถ้าชื่อการ์ด 2 บรรทัด */
.desc.clamp-4 {
  -webkit-line-clamp: 4;
  line-clamp: 4;
}

/* ถ้าชื่อการ์ด 1 บรรทัด */
.desc.clamp-5 {
  -webkit-line-clamp: 5;
  line-clamp: 5;
}

.tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-left: -3px;
}

.foot {
  margin-top: auto;
}

.badge {
  padding: 5px 10px;
  border-radius: 50px;
  background: #eef6ff;
  border: 1px solid #c7daf9;
  font-size: 12px;
  color: #0b3d91;
  text-decoration: none;
  cursor: default;
  transition: all 0.2s ease;
}

.badge:hover{
  background: #dce7f9;
}

.see-all{
  display: flex;
  justify-content: center;
  margin-top: 2rem;
}

.see-all-btn{
  padding: 10px 24px;
  background: #0b3d91;
  border: none;
  border-radius: 50px;
  color: #fff;
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s ease;
  display: flex;
  align-items: center;
  gap: 8px;
}

.see-all-btn:hover {
  background: #093372;
  transform: translateY(-2px);
}