/* ====== Reset and Base Styling ====== */
body, h1, h2, h3, h4, h5, h6, p {
    margin: 0;
    padding: 0;
}

body {
    font-family: 'Segoe UI', Roboto, sans-serif;
    font-size: 15px;
    line-height: 1.7;
    color: #2c3e50;
    background-color: #f4f6f8;
}

/* ====== Header ====== */
.pkp_site_name {
    font-size: 30px;
    color: #004080;
    font-weight: bold;
}

.header_view .pkp_navigation_primary {
    background-color: #004080;
}

.pkp_navigation_primary > li > a {
    color: #ffffff !important;
    padding: 12px 22px;
    font-weight: 500;
}

.pkp_navigation_primary > li > a:hover {
    background-color: #003366;
}

/* ====== Footer ====== */
#footer {
    background-color: #002244;
    color: #fff;
    padding: 30px 20px;
    text-align: center;
}

#footer a {
    color: #aaccff;
    text-decoration: none;
}

#footer a:hover {
    text-decoration: underline;
}

/* ====== Attractive Sidebar ====== */
.sidebar {
    background-color: transparent;
    padding: 10px;
}

.sidebar .block {
    background-color: #ffffff;
    border: 1px solid #ddd;
    border-left: 5px solid #004080;
    border-radius: 8px;
    margin-bottom: 20px;
    padding: 20px 15px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.05);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.sidebar .block:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(0,0,0,0.1);
}

.sidebar .block_title {
    font-size: 18px;
    color: #004080;
    margin-bottom: 10px;
    border-bottom: 1px solid #e1e4e8;
    padding-bottom: 5px;
    font-weight: bold;
}

.sidebar .block_content {
    font-size: 14px;
    color: #444;
}

/* ====== Article Summary ====== */
.obj_article_summary {
    background-color: #ffffff;
    border: 1px solid #ddd;
    padding: 25px;
    margin-bottom: 25px;
    border-radius: 6px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
}

.obj_article_summary h3 {
    font-size: 20px;
    color: #002244;
    margin-bottom: 10px;
}

.obj_article_summary h3 a:hover {
    color: #0066cc;
}

/* ====== Main Content Styling ====== */
.main_entry {
    background: #ffffff;
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.06);
    margin-bottom: 30px;
}

/* ====== Buttons ====== */
.pkp_button, .pkp_form button, .cmp_button {
    background-color: #004080;
    color: white;
    border: none;
    padding: 10px 20px;
    border-radius: 4px;
    font-weight: 600;
    transition: background 0.3s ease;
}

.pkp_button:hover, .pkp_form button:hover, .cmp_button:hover {
    background-color: #003366;
}

/* ====== Tables ====== */
table {
    width: 100%;
    border-collapse: collapse;
    margin: 20px 0;
    background-color: #fff;
}

table th, table td {
    border: 1px solid #ddd;
    padding: 10px;
}

/* ====== General Link Styling ====== */
a {
    color: #004080;
    text-decoration: none;
    transition: color 0.2s ease;
}

a:hover {
    color: #0066cc;
    text-decoration: underline;
}

2nd custom code css
/* =========================================
   3D Indexing Sidebar Logos
========================================= */

.indexing-sidebar-3d {
  width: 100%;
  max-width: 360px;
  margin: 25px auto;
  padding: 18px;
  background: linear-gradient(145deg, #ffffff, #f7f9ff);
  border: 1px solid #d8e2f0;
  border-radius: 18px;
  box-shadow:
    0 20px 40px rgba(0, 45, 120, 0.12),
    inset 0 1px 0 rgba(255, 255, 255, 0.9);
  font-family: Arial, Helvetica, sans-serif;
}

.indexing-sidebar-3d h3 {
  margin: 0 0 18px;
  padding: 14px 16px;
  background: linear-gradient(135deg, #003f88, #0067c9);
  color: #ffffff;
  font-size: 22px;
  font-weight: 800;
  text-align: center;
  border-radius: 14px;
  letter-spacing: 0.4px;
  text-transform: uppercase;
  box-shadow: 0 8px 18px rgba(0, 63, 136, 0.28);
}

/* Grid */
.indexing-grid-3d {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
  perspective: 900px;
}

/* Card */
.index-card-3d {
  position: relative;
  min-height: 130px;
  padding: 14px 10px 12px;
  background: linear-gradient(145deg, #ffffff, #edf4ff);
  border: 1px solid #d6e5f8;
  border-radius: 16px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 9px;
  text-decoration: none;
  overflow: hidden;
  transform-style: preserve-3d;
  box-shadow:
    0 10px 20px rgba(0, 45, 120, 0.10),
    inset 0 1px 0 rgba(255, 255, 255, 0.95);
  transition: all 0.35s ease;
}

/* Glossy light effect */
.index-card-3d::before {
  content: "";
  position: absolute;
  top: -80%;
  left: -80%;
  width: 160%;
  height: 160%;
  background: linear-gradient(
    120deg,
    transparent 35%,
    rgba(255, 255, 255, 0.65) 50%,
    transparent 65%
  );
  transform: rotate(25deg);
  opacity: 0;
  transition: 0.45s ease;
}

/* Equal logo size */
.index-card-3d img {
  width: 120px;
  height: 58px;
  object-fit: contain;
  display: block;
  padding: 6px;
  background: #ffffff;
  border-radius: 10px;
  transition: all 0.35s ease;
  transform: translateZ(20px);
}

/* Logo name */
.index-card-3d span {
  color: #004aad;
  font-size: 13px;
  line-height: 1.25;
  font-weight: 800;
  text-align: center;
  text-transform: uppercase;
  letter-spacing: 0.2px;
  transform: translateZ(24px);
}

/* 3D hover */
.index-card-3d:hover {
  transform: translateY(-8px) rotateX(7deg) rotateY(-7deg) scale(1.03);
  border-color: #0067c9;
  background: linear-gradient(145deg, #ffffff, #e8f2ff);
  box-shadow:
    0 20px 34px rgba(0, 75, 170, 0.22),
    0 0 0 3px rgba(0, 103, 201, 0.08);
}

.index-card-3d:hover::before {
  opacity: 1;
  top: -25%;
  left: -25%;
}

.index-card-3d:hover img {
  transform: translateZ(35px) scale(1.08);
}

.index-card-3d:hover span {
  color: #002f6c;
}

/* Active click effect */
.index-card-3d:active {
  transform: translateY(-3px) scale(0.98);
}

/* Responsive */
@media (max-width: 600px) {
  .indexing-sidebar-3d {
    max-width: 100%;
    padding: 14px;
  }

  .indexing-grid-3d {
    grid-template-columns: 1fr;
  }

  .index-card-3d {
    min-height: 120px;
  }

  .index-card-3d img {
    width: 135px;
    height: 62px;
  }
}