/* ===== GLOBAL ===== */
body {
  font-family: Arial, sans-serif;
  margin: 0;
  background-color: #fff;
  line-height: 1.6;
}

/* ===== HEADER ===== */
header {
  background-color: #1B5DB3;
  color: white;
  text-align: center;
  padding: 15px 0;
}

.header-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px 40px;
}

.header-logo {
  width: 100px;
}

nav ul {
  list-style: none;
  background-color: #ff7700;
  padding: 10px;
  margin: 0;
  display: flex;
  justify-content: center;
}

nav ul li {
  margin: 0 20px;
}

nav ul li a {
  color: white;
  text-decoration: none;
  font-weight: bold;
  transition: 0.3s;
}

nav ul li a:hover,
nav ul li a.active {
  color: yellow;
}

/* ===== MAIN LAYOUT ===== */
main {
  display: flex;
  padding: 30px;
  background-color: #fff;
  gap: 30px;
}

.content {
  flex: 3;
  padding-right: 20px;
}

.content h2 {
  color: #222;
  border-bottom: 3px solid #ff7700;
  padding-bottom: 5px;
  margin-bottom: 15px;
}

.content h3 {
  color: #ff7700;
  margin-top: 25px;
  border-left: 4px solid #848484;
  padding-left: 10px;
}

.content p {
  text-align: justify;
  margin: 10px 0;
}

.content ul,
.content ol {
  margin-left: 25px;
  padding-left: 10px;
}

.content ul li,
.content ol li {
  margin-bottom: 8px;
}

.content a {
  color: #ff7700;
  text-decoration: none;
  font-weight: bold;
}

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

/* ===== SIDEBAR ===== */
.sidebar {
  flex: 1;
  background-color: #f4f4f4;
  padding: 15px;
  border-left: 3px solid #848484;
  border-radius: 4px;
}

.sidebar h3 {
  background-color: #ff7700;
  color: white;
  text-align: center;
  padding: 10px;
  border-radius: 3px;
}

.sidebar ul {
  list-style: none;
  padding: 0;
  margin: 10px 0;
}

.sidebar ul li {
  background-color: #848484;
  margin: 5px 0;
  text-align: center;
  border-radius: 3px;
  transition: 0.3s;
}

.sidebar ul li a {
  color: white;
  text-decoration: none;
  display: block;
  padding: 8px;
}

.sidebar ul li a:hover,
.sidebar ul li a.active {
  background-color: #ff7700;
}

.sidebar-box {
  text-align: center;
  margin-top: 20px;
}

.sidebar-box img {
  width: 80%;
  border: 1px solid #ddd;
  border-radius: 4px;
}

/* ===== FOOTER ===== */
footer {
  background-color: #eee;
  text-align: center;
  padding: 20px;
  font-size: 14px;
  border-top: 2px solid #ccc;
}

.footer-logos img {
  height: 40px;
  margin: 10px;
  vertical-align: middle;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
  main {
    flex-direction: column;
  }

  .header-container {
    flex-direction: column;
    text-align: center;
  }

  nav ul {
    flex-wrap: wrap;
  }

  .sidebar {
    margin-top: 20px;
  }
}

/* ===== JUDUL ===== */
.jdl h1 {
  font-size: 14pt;
  text-align: center;
  margin: 0;
}

.jdl-note {
  font-size: 9pt;
  text-align: center !important; /* paksa center */
  margin: 6px 0 18px;
}

/* ===== PENULIS ===== */
.pen {
  text-align: center;
  margin-bottom: 16px;
}
.pen p {
  text-align: center; /* pastikan semua paragraf di bagian penulis rata tengah */
}
.pen-nama {
  margin: 0 0 6px;
}
.pen-note {
  font-size: 9pt;
  margin: 4px 0 8px;
}
.af {
  font-style: italic;
  font-size: 10pt;
  margin: 2px 0;
}
.email,
.doi {
  font-size: 10pt;
  margin: 2px 0;
}

/* ===== ABSTRAK ===== */
.abs h2 {
  font-size: 11pt;
  margin: 16px 0 6px;
  text-align: left;
}
.abs-text {
  font-size: 9pt;
  margin: 4px 0;
}
.kw {
  font-size: 9pt;
  font-style: italic;
  margin: 6px 0 12px;
}

/* ===== ISI ===== */
.isi h2 {
  font-size: 11pt;
  margin-top: 18px;
  text-transform: uppercase;
}
.isi p {
  margin: 8px 0;
  text-align: justify;
}

/* ===== REFERENSI ===== */
.ref h2 {
  font-size: 11pt;
  margin-top: 18px;
}
.ref ul {
  list-style: decimal;
  margin: 8px 0 0 20px;
  padding: 0;
}
.ref li {
  margin-bottom: 6px;
}

/* ===== CATATAN ===== */
.cat h3 {
  font-size: 11pt;
  margin-top: 18px;
}
.cat ol {
  margin: 8px 0 0 20px;
  padding: 0;
}
.eq {
  font-family: "Times New Roman", serif;
  font-style: italic;
}
.eq-no {
  float: right;
}

/* ===== TABEL ===== */
/* ===== TABEL/GAMBAR ===== */
.tbl h3 {
  font-size: 11pt;
  margin-top: 18px;
  text-align: center; /* judul gambar di tengah */
}

.tbl .fig {
  display: block;
  max-width: 80%; /* biar tidak melebar penuh */
  margin: 10px auto; /* center horizontal */
  border: 1px solid #000; /* garis bingkai tipis */
  padding: 4px;
}

.tbl .src {
  font-size: 10pt;
  margin-top: 6px;
  text-align: left; /* sumber rata kiri */
  font-style: italic;
}
/* ===== ATURAN (RULES) ===== */
.rule h3 {
  font-size: 11pt;
  margin-top: 18px;
  text-transform: uppercase;
  color: #222;
}

.rule p {
  font-size: 10pt;
  font-family: Arial, sans-serif;
  line-height: 1.15;
  text-align: justify;
  margin: 6px 0 12px;
}
/* ===== GAMBAR ===== */
.img-sec {
  text-align: center; /* gambar dan caption di tengah */
  margin: 20px 0;
}

.img-sec .img {
  max-width: 80%; /* biar tidak terlalu besar */
  height: auto;
  display: block;
  margin: 0 auto;
  border: 1px solid #000; /* opsional: bingkai tipis */
  padding: 4px;
}

.img-sec .caption {
  font-family: Arial, sans-serif;
  font-size: 10pt;
  line-height: 1.15;
  margin-top: 6px;
}

.img-sec .src {
  font-family: Arial, sans-serif;
  font-size: 10pt;
  line-height: 1.15;
  font-style: italic;
  margin-top: 2px;
  text-align: left; /* sumber rata kiri sesuai aturan */
}