/* Custom CSS for Rutherford University of Science and Technology */

:root {
  --deep-blue: #0e2a47; /* Dark blue for primary elements */
  --gold-brown: #a87c4f; /* Gold-brown for accents */
  --light-gray: #f8f9fa; /* Light background */
  --text-dark: #343a40; /* Dark text */
  --text-light: #ffffff; /* Light text */
  --border-color: #dee2e6; /* Default border color */
  --card-bg: #ffffff; /* Card background */
  --card-border: #e0e0e0; /* Card border */
}

body {
  font-family: "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  color: var(--text-dark);
  background-color: var(--light-gray);
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

.bg-rust-dark {
  background-color: var(--deep-blue) !important;
}

.text-gold-brown {
  color: var(--gold-brown) !important;
}

.text-deep-blue {
  color: var(--deep-blue) !important;
}

.btn-rust-primary {
  background-color: var(--deep-blue);
  color: var(--text-light);
  border-color: var(--deep-blue);
  transition: all 0.3s ease;
}

.btn-rust-primary:hover {
  background-color: #0a1e33; /* Slightly darker blue */
  border-color: #0a1e33;
  color: var(--text-light);
}

.btn-rust-secondary {
  background-color: var(--gold-brown);
  color: var(--text-light);
  border-color: var(--gold-brown);
  transition: all 0.3s ease;
}

.btn-rust-secondary:hover {
  background-color: #8c6640; /* Slightly darker gold-brown */
  border-color: #8c6640;
  color: var(--text-light);
}

.btn-outline-primary {
  color: var(--deep-blue);
  border-color: var(--deep-blue);
}

.btn-outline-primary:hover {
  background-color: var(--deep-blue);
  color: var(--text-light);
}

.btn-outline-secondary {
  color: var(--gold-brown);
  border-color: var(--gold-brown);
}

.btn-outline-secondary:hover {
  background-color: var(--gold-brown);
  color: var(--text-light);
}

.navbar-brand .fw-bold {
  font-size: 1.5rem;
}

.navbar-nav .nav-link {
  font-weight: 500;
  margin-right: 15px;
  transition: color 0.3s ease;
}

.navbar-nav .nav-link:hover,
.navbar-nav .nav-link.active {
  color: var(--gold-brown) !important;
}

.hero-section {
  min-height: 70vh;
  background-position: center center;
  background-size: cover;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

.hero-section::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(rgba(14, 42, 71, 0.8), rgba(14, 42, 71, 0.8));
  z-index: 1;
}

.hero-section .container {
  position: relative;
  z-index: 2;
}

.card-rust {
  border: 1px solid var(--card-border);
  border-radius: 0.5rem;
  box-shadow: 0 0.125rem 0.25rem rgba(0, 0, 0, 0.075);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.card-rust:hover {
  transform: translateY(-5px);
  box-shadow: 0 0.5rem 1rem rgba(0, 0, 0, 0.15);
}

.card-rust .card-header {
  background-color: var(--deep-blue);
  color: var(--text-light);
  border-bottom: 1px solid var(--card-border);
}

.card-rust .card-title {
  color: var(--deep-blue);
}

.card-rust .card-subtitle {
  color: #6c757d;
}

.card-rust .card-body {
  padding: 1.5rem;
}

.accordion-item.card-rust {
  border: 1px solid var(--card-border);
  border-radius: 0.5rem;
  margin-bottom: 1rem;
  overflow: hidden; /* Ensures border-radius applies to children */
}

.accordion-item.card-rust .accordion-button {
  background-color: var(--card-bg);
  color: var(--deep-blue);
  font-weight: 600;
  border-bottom: 1px solid var(--card-border);
  padding: 1rem 1.25rem;
}

.accordion-item.card-rust .accordion-button:not(.collapsed) {
  background-color: var(--deep-blue);
  color: var(--text-light);
  border-bottom-color: var(--deep-blue);
}

.accordion-item.card-rust .accordion-button:focus {
  box-shadow: none;
  border-color: var(--deep-blue);
}

.accordion-item.card-rust .accordion-body {
  background-color: var(--card-bg);
  color: var(--text-dark);
  padding: 1.25rem;
}

.table-rust {
  --bs-table-bg: var(--card-bg);
  --bs-table-color: var(--text-dark);
  --bs-table-border-color: var(--card-border);
  --bs-table-hover-bg: #f0f0f0;
}

.table-rust thead {
  background-color: var(--deep-blue);
  color: var(--text-light);
}

.table-rust th {
  border-bottom-color: var(--deep-blue);
}

.alert-rust {
  border-radius: 0.5rem;
  border: 1px solid;
}

.alert-rust.alert-success {
  background-color: #d4edda;
  border-color: #badbcc;
  color: #155724;
}

.alert-rust.alert-danger {
  background-color: #f8d7da;
  border-color: #f5c6cb;
  color: #721c24;
}

.alert-rust.alert-info {
  background-color: #d1ecf1;
  border-color: #bee5eb;
  color: #0c5460;
}

.alert-rust.alert-warning {
  background-color: #fff3cd;
  border-color: #ffeeba;
  color: #856404;
}

/* Fade-in animation */
.fade-in {
  opacity: 0;
  animation: fadeIn 1s forwards;
}

@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

/* Specific styles for profile page image */
.img-fluid.rounded-circle {
  border: 4px solid var(--gold-brown);
  box-shadow: 0 0 0 2px rgba(168, 124, 79, 0.5);
}

/* Adjust content wrapper padding for pages */
.content-wrapper {
  padding-top: 3rem;
  padding-bottom: 3rem;
}

/* Ensure footer is at the bottom */
body {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

.content-wrapper {
  flex: 1; /* Allows content to grow and push footer down */
}

/* Utility for vertical height */
.vvh-100 {
  min-height: 100vh;
}

/* Custom styles for form labels and inputs */
.form-label {
  font-weight: 500;
  color: var(--deep-blue);
}

.form-control,
.form-select {
  border-color: var(--border-color);
  box-shadow: none;
}

.form-control:focus,
.form-select:focus {
  border-color: var(--gold-brown);
  box-shadow: 0 0 0 0.25rem rgba(168, 124, 79, 0.25);
}

/* Social icons in footer */
.social-icons a {
  font-size: 1.2rem;
  transition: color 0.3s ease;
}

.social-icons a:hover {
  color: var(--gold-brown) !important;
}

/* Specific styles for the logo image */
.navbar-brand img {
  filter: drop-shadow(0px 0px 3px rgba(0, 0, 0, 0.3)); /* Optional: subtle shadow for logo */
}

/* Responsive adjustments */
@media (max-width: 991.98px) {
  .navbar-nav .nav-link {
    margin-right: 0;
    text-align: center;
  }
  .navbar-nav .btn {
    width: 80%;
    margin: 5px auto;
  }
  .navbar-collapse {
    background-color: var(--deep-blue);
    padding-bottom: 10px;
  }
  .navbar-toggler {
    border-color: rgba(255, 255, 255, 0.1);
  }
  .navbar-toggler-icon {
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba%28255, 255, 255, 0.55%29' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
  }
}