/* =========================================================
   RMUTI Journal Humanities and Social Sciences
   ThaiJO / OJS 3.3 / Bootstrap3 Theme
   Palette: Navy #18285f | Orange #f47b20
   ========================================================= */

:root {
  --rmuti-navy: #18285f;
  --rmuti-navy-2: #243b78;
  --rmuti-orange: #f47b20;
  --rmuti-ink: #1f2937;
  --rmuti-muted: #667085;
  --rmuti-soft: #f6f8fc;
  --rmuti-line: #e5e9f2;
  --rmuti-white: #ffffff;
}

/* ---------- Global polish for Bootstrap3 theme ---------- */
body {
  color: var(--rmuti-ink);
  font-family: Tahoma, Arial, sans-serif;
  line-height: 1.65;
  background: #ffffff;
}
/* ---------- RMUTI SS Header: 3-column academic layout ---------- */
/*
   โครงสร้าง:
   [ซ้าย] ตรามหาวิทยาลัย มทร.อีสาน
   [กลาง] ชื่อวารสารไทย + อังกฤษ
   [ขวา] TCI Tier 2 + eISSN 3027-6837

   ตรามหาวิทยาลัยอ้างอิงไฟล์จากเว็บไซต์ทางการ RMUTI:
   https://rmuti.ac.th/one/wp-content/uploads/2021/12/RMUTI_KORAT-160x300.png

   เพื่อความเสถียรระยะยาว แนะนำให้อัปโหลดตรานี้เข้า ThaiJO ของวารสารเอง
   แล้วเปลี่ยน URL ใน background-image ให้เป็น URL ของไฟล์บน ThaiJO
*/

#headerNavigationContainer.navbar-default {
  margin-bottom: 24px;
  background: #ffffff;
  border: 0;
  border-radius: 0;
  box-shadow: 0 5px 18px rgba(8, 20, 45, .18);
}

/* แถบ Register / Login ด้านบน */
#headerNavigationContainer > .container-fluid:first-of-type {
  background: #eef1f5;
  border-bottom: 1px solid #d9dee7;
}

#headerNavigationContainer #navigationUser > li > a {
  color: var(--rmuti-navy);
  font-weight: 600;
}

#headerNavigationContainer #navigationUser > li > a:hover,
#headerNavigationContainer #navigationUser > li > a:focus {
  color: var(--rmuti-orange);
  background: transparent;
}

/* พื้นที่ Header หลัก */
#headerNavigationContainer .navbar-header {
  position: relative;
  float: none;
  width: 100%;
  min-height: 188px;
  padding: 14px 24px;
  background:
    linear-gradient(
      135deg,
      #10213f 0%,
      #1c3157 58%,
      #263b60 100%
    );
}

/* ใช้ H1 เดิมของ ThaiJO เป็น Grid 3 คอลัมน์ */
#headerNavigationContainer .site-name {
  display: grid;
  grid-template-columns: 160px minmax(0, 1fr);
  column-gap: 24px;
  align-items: center;
  width: 100%;
  max-width: 1200px;
  min-height: 158px;
  margin: 0 auto;
  padding: 0;
  line-height: 1.2;
}

/* ซ้าย: ตรามหาวิทยาลัย */
#headerNavigationContainer .site-name::before {
  content: "";
  display: block;
  width: 120px;
  height: 150px;
  justify-self: center;

  background-color: transparent;
  background-image: url("https://rmuti.ac.th/one/wp-content/uploads/2021/12/RMUTI_KORAT-160x300.png");
  background-repeat: no-repeat;
  background-position: center center;
  background-size: contain;

  border: 0;
  border-radius: 0;
  box-shadow: none;

  /* เพิ่มช่องว่างรอบตรา ป้องกันส่วนล่างถูกตัด */
  padding: 6px;
  box-sizing: border-box;
}

/* กลาง: ชื่อวารสาร */
#headerNavigationContainer .site-name .navbar-brand,
#headerNavigationContainer .site-name .navbar-brand-logo {
  display: flex;
  float: none;
  min-width: 0;
  width: 100%;
  height: auto;
  min-height: 112px;
  margin: 0;
  padding: 12px 10px;
  flex-direction: column;
  align-items: flex-start;
  justify-content: center;
  overflow: visible;
  white-space: normal;
  text-align: left;
  text-decoration: none !important;
  text-indent: 0;
  background: transparent !important;
  color: #ffffff !important;
  font-size: 0;
  line-height: 1.25;
}

/* ซ่อน Header image เดิม ไม่ให้แสดงซ้ำ */
#headerNavigationContainer .site-name .navbar-brand img,
#headerNavigationContainer .site-name .navbar-brand-logo img {
  display: none !important;
}

/* ชื่อภาษาไทย */
#headerNavigationContainer .site-name .navbar-brand::before,
#headerNavigationContainer .site-name .navbar-brand-logo::before {
  content: "วารสาร มทร.อีสาน ฉบับมนุษยศาสตร์และสังคมศาสตร์";
  display: block;
  color: #ffffff;
  font-family: Tahoma, Arial, sans-serif;
  font-size: 28px;
  font-weight: 700;
  line-height: 1.35;
}

/* ชื่อภาษาอังกฤษ */
#headerNavigationContainer .site-name .navbar-brand::after,
#headerNavigationContainer .site-name .navbar-brand-logo::after {
  content: "RMUTI Journal Humanities and Social Sciences\A eISSN 3027-6837";
  display: block;
  margin-top: 9px;
  color: #dce6f4;
  font-family: Arial, Tahoma, sans-serif;
  font-size: 18px;
  font-weight: 600;
  line-height: 1.55;
  white-space: pre-line;
  text-align: left;
}

/* เส้นสีแสดใต้ Header */
#headerNavigationContainer .navbar-header::after {
  content: "";
  position: absolute;
  left: 24px;
  right: 24px;
  bottom: 0;
  height: 3px;
  background: #c79a4b;
}

/* Navigation bar */
#headerNavigationContainer #nav-menu {
  clear: both;
  float: none;
  width: 100%;
  margin: 0;
  padding-left: 20px;
  padding-right: 20px;
  background: var(--rmuti-navy);
  border: 0;
  box-shadow: none;
}

#headerNavigationContainer #main-navigation > li > a {
  color: #ffffff;
  padding-top: 15px;
  padding-bottom: 15px;
  font-weight: 600;
}

#headerNavigationContainer #main-navigation > li > a:hover,
#headerNavigationContainer #main-navigation > li > a:focus,
#headerNavigationContainer #main-navigation > .active > a,
#headerNavigationContainer #main-navigation > .active > a:hover,
#headerNavigationContainer #main-navigation > .active > a:focus {
  color: #ffffff;
  background: var(--rmuti-navy-2);
}

/* Dropdown */
#headerNavigationContainer .dropdown-menu > li > a {
  color: var(--rmuti-navy);
}

#headerNavigationContainer .dropdown-menu > li > a:hover,
#headerNavigationContainer .dropdown-menu > li > a:focus {
  color: #ffffff;
  background: var(--rmuti-navy-2);
}

/* Search ใน Navigation */
#headerNavigationContainer #nav-menu .form-control {
  border-color: rgba(255, 255, 255, .45);
}

#headerNavigationContainer #nav-menu .btn-default {
  color: var(--rmuti-navy);
  background: #ffffff;
  border-color: #ffffff;
}

/* Hamburger */
#headerNavigationContainer .navbar-toggle {
  position: absolute;
  right: 18px;
  bottom: 16px;
  z-index: 30;
  margin: 0;
  background: var(--rmuti-navy);
  border-color: var(--rmuti-navy);
}

#headerNavigationContainer .navbar-toggle:hover,
#headerNavigationContainer .navbar-toggle:focus {
  background: var(--rmuti-orange);
  border-color: var(--rmuti-orange);
}

#headerNavigationContainer .navbar-toggle .icon-bar {
  background-color: #ffffff;
}

a {
  color: var(--rmuti-navy-2);
}

a:hover,
a:focus {
  color: var(--rmuti-orange);
}

.btn-primary {
  background-color: var(--rmuti-orange);
  border-color: var(--rmuti-orange);
}

.btn-primary:hover,
.btn-primary:focus {
  background-color: #d96514;
  border-color: #d96514;
}

/* ---------- RMUTI homepage component ---------- */
.rmuti-home {
  margin: 0 0 36px;
  color: var(--rmuti-ink);
}

.rmuti-home *,
.rmuti-home *::before,
.rmuti-home *::after {
  box-sizing: border-box;
}

.rmuti-home h2,
.rmuti-home h3,
.rmuti-home p,
.rmuti-home dl,
.rmuti-home dd {
  margin-top: 0;
}

.rmuti-hero {
  display: flex;
  gap: 36px;
  align-items: stretch;
  justify-content: space-between;
  padding: 40px;
  margin: 0 0 42px;
  background: linear-gradient(135deg, #f8faff 0%, #ffffff 100%);
  border: 1px solid var(--rmuti-line);
  border-radius: 18px;
}

.rmuti-hero-main {
  flex: 1 1 64%;
  min-width: 0;
}

.rmuti-badge {
  display: inline-block;
  padding: 7px 14px;
  margin-bottom: 16px;
  color: #a84607;
  font-weight: 700;
  background: #fff0e6;
  border: 1px solid #ffd7bd;
  border-radius: 999px;
}

.rmuti-hero h2 {
  margin-bottom: 14px;
  color: var(--rmuti-navy);
  font-size: 32px;
  font-weight: 700;
  line-height: 1.35;
}

.rmuti-lead {
  max-width: 820px;
  margin-bottom: 22px;
  color: var(--rmuti-muted);
  font-size: 17px;
}

.rmuti-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.rmuti-btn {
  display: inline-block;
  padding: 11px 18px;
  font-weight: 700;
  text-decoration: none !important;
  border-radius: 9px;
  transition: all .2s ease;
}

.rmuti-btn-primary {
  color: #ffffff !important;
  background: var(--rmuti-orange);
  border: 1px solid var(--rmuti-orange);
}

.rmuti-btn-primary:hover,
.rmuti-btn-primary:focus {
  color: #ffffff !important;
  background: #d96514;
  border-color: #d96514;
  transform: translateY(-1px);
}

.rmuti-btn-light {
  color: var(--rmuti-navy) !important;
  background: #ffffff;
  border: 1px solid #d8deeb;
}

.rmuti-btn-light:hover,
.rmuti-btn-light:focus {
  color: var(--rmuti-orange) !important;
  border-color: var(--rmuti-orange);
  transform: translateY(-1px);
}

.rmuti-glance {
  flex: 0 0 330px;
  padding: 24px;
  background: #ffffff;
  border: 1px solid var(--rmuti-line);
  border-radius: 14px;
  box-shadow: 0 10px 26px rgba(24, 40, 95, .07);
}

.rmuti-glance h3 {
  margin-bottom: 12px;
  color: var(--rmuti-navy);
  font-size: 20px;
  font-weight: 700;
}

.rmuti-glance dl {
  margin-bottom: 0;
}

.rmuti-glance dl > div {
  display: flex;
  gap: 16px;
  justify-content: space-between;
  padding: 10px 0;
  border-bottom: 1px solid var(--rmuti-line);
}

.rmuti-glance dl > div:last-child {
  border-bottom: 0;
}

.rmuti-glance dt {
  color: var(--rmuti-muted);
  font-weight: 400;
}

.rmuti-glance dd {
  color: var(--rmuti-navy);
  font-weight: 700;
  text-align: right;
}

.rmuti-section {
  margin: 0 0 42px;
}

.rmuti-section-title {
  margin-bottom: 18px;
  color: var(--rmuti-navy);
  font-size: 26px;
  font-weight: 700;
}

.rmuti-card-grid,
.rmuti-link-grid,
.rmuti-bottom-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
}

.rmuti-card-grid-4 .rmuti-card {
  flex: 1 1 calc(25% - 16px);
}

.rmuti-card {
  min-width: 210px;
  padding: 22px;
  background: #ffffff;
  border: 1px solid var(--rmuti-line);
  border-radius: 14px;
  box-shadow: 0 6px 18px rgba(24, 40, 95, .04);
}

.rmuti-card-no {
  display: inline-flex;
  width: 40px;
  height: 40px;
  align-items: center;
  justify-content: center;
  margin-bottom: 12px;
  color: var(--rmuti-orange);
  font-weight: 700;
  background: #fff0e6;
  border-radius: 50%;
}

.rmuti-card h3 {
  margin-bottom: 7px;
  color: var(--rmuti-navy);
  font-size: 18px;
  font-weight: 700;
}

.rmuti-card p {
  margin-bottom: 0;
  color: var(--rmuti-muted);
}

.rmuti-quick-section {
  padding: 30px;
  background: var(--rmuti-soft);
  border-radius: 16px;
}

.rmuti-link-card {
  display: flex;
  flex: 1 1 calc(33.333% - 16px);
  min-width: 260px;
  min-height: 76px;
  gap: 12px;
  align-items: center;
  padding: 16px 18px;
  color: var(--rmuti-navy) !important;
  font-weight: 700;
  text-decoration: none !important;
  background: #ffffff;
  border: 1px solid var(--rmuti-line);
  border-radius: 12px;
  transition: all .2s ease;
}

.rmuti-link-card:hover,
.rmuti-link-card:focus {
  color: var(--rmuti-orange) !important;
  border-color: #f4b487;
  box-shadow: 0 8px 20px rgba(24, 40, 95, .08);
  transform: translateY(-2px);
}

.rmuti-link-card b {
  margin-left: auto;
  color: var(--rmuti-orange);
  font-size: 22px;
}

.rmuti-link-icon {
  display: inline-flex;
  flex: 0 0 36px;
  width: 36px;
  height: 36px;
  align-items: center;
  justify-content: center;
  color: #ffffff;
  background: var(--rmuti-navy);
  border-radius: 50%;
}

.rmuti-link-icon-orange {
  background: var(--rmuti-orange);
}

.rmuti-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.rmuti-tags span {
  display: inline-block;
  padding: 8px 13px;
  color: #344054;
  background: #ffffff;
  border: 1px solid #dbe2f0;
  border-radius: 999px;
}

.rmuti-bottom-grid > a {
  flex: 1 1 calc(50% - 16px);
}

.rmuti-feature-card {
  display: flex;
  min-width: 280px;
  flex-direction: column;
  padding: 26px;
  color: var(--rmuti-navy) !important;
  text-decoration: none !important;
  background: #ffffff;
  border: 1px solid var(--rmuti-line);
  border-left: 6px solid var(--rmuti-orange);
  border-radius: 14px;
}

.rmuti-feature-card small {
  margin-bottom: 7px;
  color: var(--rmuti-orange);
  font-weight: 700;
  letter-spacing: .06em;
}

.rmuti-feature-card strong {
  margin-bottom: 4px;
  font-size: 21px;
}

.rmuti-feature-card span {
  color: var(--rmuti-muted);
}

.rmuti-feature-dark {
  color: #ffffff !important;
  background: var(--rmuti-navy);
  border-color: var(--rmuti-navy);
  border-left-color: var(--rmuti-orange);
}

.rmuti-feature-dark small,
.rmuti-feature-dark span {
  color: #dfe7ff;
}

.rmuti-feature-card:hover,
.rmuti-feature-card:focus {
  box-shadow: 0 9px 22px rgba(24, 40, 95, .10);
  transform: translateY(-2px);
}

/* ---------- Tables / article lists: light polish ---------- */
.table > thead > tr > th {
  color: var(--rmuti-navy);
  border-bottom-color: var(--rmuti-navy);
}


/* ---------- Responsive: 3-column Header ---------- */
@media (max-width: 991px) {
  #headerNavigationContainer .navbar-header {
    min-height: 150px;
    padding-left: 16px;
    padding-right: 16px;
  }

  #headerNavigationContainer .site-name {
    grid-template-columns: 115px minmax(0, 1fr);
    column-gap: 16px;
    min-height: 125px;
  }

  #headerNavigationContainer .site-name::before {
    width: 102px;
    height: 126px;
  }

  #headerNavigationContainer .site-name .navbar-brand,
  #headerNavigationContainer .site-name .navbar-brand-logo {
    min-height: 100px;
    padding-left: 4px;
    padding-right: 4px;
  }

  #headerNavigationContainer .site-name .navbar-brand::before,
  #headerNavigationContainer .site-name .navbar-brand-logo::before {
    font-size: 22px;
  }

  #headerNavigationContainer .site-name .navbar-brand::after,
  #headerNavigationContainer .site-name .navbar-brand-logo::after {
    font-size: 15px;
  }
}

@media (max-width: 767px) {
  #headerNavigationContainer .navbar-header {
    min-height: 0;
    padding: 16px 16px 58px;
  }

  #headerNavigationContainer .site-name {
    grid-template-columns: 88px minmax(0, 1fr);
    grid-template-areas:
      "seal title";
    column-gap: 14px;
    row-gap: 12px;
    min-height: 0;
  }

  #headerNavigationContainer .site-name::before {
    grid-area: seal;
    width: 76px;
    height: 100px;
    align-self: center;
  }

  #headerNavigationContainer .site-name .navbar-brand,
  #headerNavigationContainer .site-name .navbar-brand-logo {
    grid-area: title;
    min-height: 92px;
    padding: 6px 0;
    align-items: flex-start;
    text-align: left;
  }

  #headerNavigationContainer .site-name .navbar-brand::before,
  #headerNavigationContainer .site-name .navbar-brand-logo::before {
    font-size: 20px;
    line-height: 1.35;
  }

  #headerNavigationContainer .site-name .navbar-brand::after,
  #headerNavigationContainer .site-name .navbar-brand-logo::after {
    margin-top: 5px;
    font-size: 13px;
    line-height: 1.35;
  }

  #headerNavigationContainer .navbar-header::after {
    left: 16px;
    right: 16px;
  }

  #headerNavigationContainer #nav-menu {
    padding-left: 0;
    padding-right: 0;
  }
}

@media (max-width: 480px) {
  #headerNavigationContainer .site-name {
    grid-template-columns: 70px minmax(0, 1fr);
    column-gap: 10px;
  }

  #headerNavigationContainer .site-name::before {
    width: 62px;
    height: 84px;
  }

  #headerNavigationContainer .site-name .navbar-brand,
  #headerNavigationContainer .site-name .navbar-brand-logo {
    min-height: 80px;
  }

  #headerNavigationContainer .site-name .navbar-brand::before,
  #headerNavigationContainer .site-name .navbar-brand-logo::before {
    font-size: 17px;
  }

  #headerNavigationContainer .site-name .navbar-brand::after,
  #headerNavigationContainer .site-name .navbar-brand-logo::after {
    font-size: 12px;
  }
}

/* ---------- Responsive ---------- */
@media (max-width: 991px) {
  .rmuti-hero {
    flex-direction: column;
    padding: 28px;
  }

  .rmuti-glance {
    flex-basis: auto;
    width: 100%;
  }

  .rmuti-card-grid-4 .rmuti-card,
  .rmuti-link-card {
    flex-basis: calc(50% - 16px);
  }
}

@media (max-width: 767px) {
  .rmuti-hero {
    padding: 22px;
    border-radius: 12px;
  }

  .rmuti-hero h2 {
    font-size: 25px;
  }

  .rmuti-lead {
    font-size: 16px;
  }

  .rmuti-actions,
  .rmuti-card-grid,
  .rmuti-link-grid,
  .rmuti-bottom-grid {
    display: block;
  }

  .rmuti-btn {
    display: block;
    width: 100%;
    margin-bottom: 9px;
    text-align: center;
  }

  .rmuti-card,
  .rmuti-link-card,
  .rmuti-feature-card {
    width: 100%;
    margin-bottom: 12px;
  }

  .rmuti-quick-section {
    padding: 22px;
  }

  .rmuti-section-title {
    font-size: 23px;
  }
}

/* ---------- Print ---------- */
@media print {
  .rmuti-home {
    color: #000;
  }

  .rmuti-btn,
  .rmuti-link-card,
  .rmuti-feature-card {
    box-shadow: none !important;
  }
}