* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: "Noto Sans Thai", sans-serif;
  scroll-behavior: smooth;
}

.navigation-tab {
  margin: 7vw 0 0 3vw;
  width: fit-content;
}

.navigation-tab a,
.navigation-tab span {
  padding: 0 0.5vw;
  font-size: 18px;
  text-decoration: none;
  color: #000;
}

.navigation-tab a:hover {
  color: #a72c32;
  transition: 0.5s;
  font-weight: 600;
}

.history-layout {
  justify-self: center;
  width: 100%;
  max-width: 1100px;
  margin: 1vw 12vw;
}

.history-head h2 {
  color: #a72c32;
}

.history-head1 h4 {
  font-size: 20px;
  font-weight: 700;
  color: #a72c32;
}

.history-head1 p {
  font-size: 18px;
  margin: 0 2vw;
}

.history-head1 img {
  margin-left: 10%;
  width: 80%;
  height: auto;
}

.container-layout {
  display: flex;
  flex-direction: row;
  width: 100%;
}

.history-container {
  display: flex;
  max-width: 1300px;
  align-items: stretch;
}

/* --- ฝั่งซ้าย: Sidebar --- */
.history-heads-sidebar {
  flex: 0 0 320px;
  background: #fdfdfd;
  border: 1px solid #cacaca;
  border-radius: 12px 0 0 12px;
  padding: 1vw;
  border-right: none;
}

.history-heads-sidebar h3 {
  color: #a72c32;
  font-size: 18px;
  margin-bottom: 1vw;
  border-bottom: 2px solid #a72c32;
  padding-bottom: 0.5vw;
}

.head-item {
  margin-bottom: 1vw;
}

.head-img {
  width: 120px;
  height: auto;
  margin-bottom: 0.5vw;
}

.head-name {
  color: #9d696c;
  font-weight: 700;
  font-size: 18px;
  margin: 5px 0;
}

.head-term {
  font-size: 16px;
  color: #000;
}

/* --- ฝั่งขวา: Details --- */
.history-details-main {
}

.details-card {
  background: #fff;
  border: 1px solid #cacaca;
  border-radius: 0 12px 12px 0;
  padding: 2vw;
  height: 100%;
}

.year-block {
  margin-bottom: 2vw;
  border-bottom: 1px solid #cacaca;
  padding-bottom: 1vw;
}

.year-block:last-child {
  border-bottom: none;
}

.year-title {
  color: #a72c32;
  font-size: 20px;
  font-weight: 800;
  margin-bottom: 0.5vw;
}

.leader-in-year {
  color: #9d696c;
  font-weight: 600;
  margin-bottom: 0.5vw;
}

.event-list {
  padding-left: 1vw;
  line-height: 1.7;
}

.event-list li {
  margin-bottom: 1vw;
}

.modal {
  display: none;
  position: fixed;
  z-index: 2000;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.9);
  justify-content: center;
  align-items: center;
}

.modal-content-wrapper {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 90%;
  max-height: 80vh;
}

.modal-main-image {
  max-width: 100%;
  max-height: 80vh;
  object-fit: contain;
  border-radius: 5px;
  transition: transform 0.3s ease;
}

.modal-controls {
  position: absolute;
  top: 20px;
  right: 30px;
  display: flex;
  align-items: center;
  z-index: 2200;
}

.close {
  color: white;
  font-size: 40px;
  font-weight: bold;
  cursor: pointer;
  transition: 0.3s;
  line-height: 1;
}

.close:hover {
  color: #a72c32;
  transform: scale(1.1);
}