/* =========================
   VARIABLES
========================= */
:root {
  --primary-color: #0d6efd;
  --secondary-color: #55d5f5;
  --text-color: #333333;
  --background-color: #9cb2db;
  --card-background: #ffffff;
  --heading-color: #222222;
  --link-color: var(--primary-color);
  --link-hover-color: #ffffff;
  --link-hover-bg: var(--primary-color);
  --dropdown-bg: #f8f9fa;
  --dropdown-hover-bg: var(--primary-color);
  --dropdown-hover-color: #ffffff;
}

/* =========================
   BASE TYPOGRAPHY
========================= */
body {
  font-family: "Poppins", sans-serif;
  line-height: 1.5;
  background-color: var(--background-color);
  color: var(--text-color);
  margin: 0;
}

h1, h2, h3, h4, h5, h6 {
  font-family: "Gabriela", serif;
  color: var(--heading-color);
  text-align: center;
  margin-top: 0;
  margin-bottom: 1rem;
}

p {
  margin-bottom: 1rem;
}

/* =========================
   LINKS & ICONS
========================= */
a {
  color: var(--link-color);
  text-decoration: none;
  transition: color 0.3s, background-color 0.3s;
}

a:hover {
  color: var(--link-hover-color);
  background-color: var(--link-hover-bg);
  border-radius: 5px;
  padding: 2px 4px;
}

.icon-link svg {
  fill: var(--primary-color);
  transition: fill 0.3s;
}

.icon-link:hover svg {
  fill: var(--secondary-color);
}

/* =========================
   NAVBAR
========================= */
.navbar {
  background-color: #ffffff;
  padding-top: 0.25rem;
  padding-bottom: 0.25rem;
}

.navbar-nav .nav-link {
  color: var(--text-color);
  font-weight: 500;
  transition: color 0.3s, background-color 0.3s;
}

.navbar-nav .nav-link:hover,
.navbar-nav .nav-link.active {
  background-color: var(--primary-color);
  color: #ffffff;
  border-radius: 5px;
}

.dropdown-menu {
  background-color: var(--dropdown-bg);
  border-radius: 5px;
  box-shadow: 0 4px 10px rgba(0,0,0,0.1);
}

.dropdown-menu .dropdown-item {
  color: var(--text-color);
  font-size: 18px;
  font-weight: 500;
  transition: color 0.3s, background-color 0.3s;
}

.dropdown-menu .dropdown-item:hover {
  background-color: var(--dropdown-hover-bg);
  color: var(--dropdown-hover-color);
}

/* Show dropdown on hover for desktop only */
@media (min-width: 992px) {
  .navbar .nav-item.dropdown:hover .dropdown-menu {
    display: block;
    margin-top: 0;
  }
}

/* Hamburger on right */
.navbar .navbar-toggler {
  margin-left: auto;
}

/* =========================
   CARDS & SECTIONS
========================= */
.card {
  background-color: var(--card-background);
  border-radius: 10px;
  box-shadow: 0 4px 15px rgba(0,0,0,0.1);
  margin-bottom: 20px;
}

.card-header {
  background-color: var(--primary-color);
  color: #ffffff;
  font-weight: 600;
}

.card-body a {
  color: var(--primary-color);
}

.card-body a:hover {
  color: var(--secondary-color);
  text-decoration: underline;
}

.container, .container-fluid {
  padding-top: 50px;
  padding-bottom: 50px;
}

/* =========================
   LISTS
========================= */
ul#operation {
  list-style-type: none;
  padding: 0;
}

ul li a:hover {
  background-color: var(--secondary-color);
  color: black;
}

/* =========================
   FOOTER
========================= */
footer {
  background-color: #ffffff;
  color: var(--text-color);
  padding: 30px 0;
  text-align: center;
}

footer a {
  color: var(--link-color);
}

footer a:hover {
  color: var(--link-hover-color);
  background-color: var(--link-hover-bg);
  border-radius: 3px;
  padding: 2px 4px;
}

/* =========================
   IMAGES & CAROUSEL
========================= */
.responsive {
  max-width: 100%;
  height: auto;
}

.center {
  display: block;
  margin-left: auto;
  margin-right: auto;
}

#header-logo img {
  border: none;
}

.container-fluid .carousel {
  display: flex;
  padding-left: 25px;
  padding-right: 25px;
  margin-top: 0px;
}
.table-header-blue th {
    color: royalblue;
}

.text-black {
    color: black;
}

body {
    font-family: 'Poppins', sans-serif;
}

/* Button hover effects */
.btn-primary:hover {
    background-color: #0d6efd; /* Slightly darker blue */
    transform: translateY(-2px);
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.2);
    transition: all 0.2s ease-in-out;
}

.btn-outline-primary:hover {
    background-color: #0d6efd;
    color: #fff;
    transform: translateY(-2px);
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.2);
    transition: all 0.2s ease-in-out;
}