/* Events Page Styles */
:root {
  --primary-color: #2c3e50;
  --secondary-color: #3498db;
  --accent-color: #e74c3c;
  --text-color: #2c3e50;
  --light-gray: #ecf0f1;
  --dark-gray: #7f8c8d;
  --transition-speed: 0.3s;
  --border-radius: 8px;
  --box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

/* Page Header */
.page-header {
  background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
  color: #f8f9fa;
  padding: 5rem 0;
  margin-bottom: 3rem;
  border-radius: 0 0 var(--border-radius) var(--border-radius);
  box-shadow: var(--box-shadow);
  position: relative;
  overflow: hidden;
}

@keyframes aurora {
  0% {
    background-position: 0% 50%;
  }
  100% {
    background-position: 100% 50%;
  }
}

.page-header::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(270deg, #00dbde, #fc00ff, #00dbde);
  background-size: 600% 600%;
  animation: aurora 30s ease infinite;
  opacity: 0.6;
  mix-blend-mode: screen;
  z-index: 1;
}


.page-header h1 {
  font-size: 2.8rem;
  font-weight: 700;
  margin-bottom: 1.5rem;
  position: relative;
  z-index: 2;
  text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
  color: #f8f9fa;
}

.page-header p {
  font-size: 1.2rem;
  opacity: 0.9;
  margin-bottom: 0.5rem;
  position: relative;
  z-index: 2;
  text-shadow: 1px 1px 3px rgba(0, 0, 0, 0.3);
  line-height: 1.6;
}

/* Search Form */
.search-form {
  background: white;
  padding: 2rem;
  border-radius: var(--border-radius);
  box-shadow: var(--box-shadow);
  margin-bottom: 2rem;
}

.search-form .form-control {
  border: 2px solid var(--light-gray);
  border-radius: var(--border-radius);
  padding: 0.75rem 1rem;
  transition: all var(--transition-speed);
}

.search-form .form-control:focus {
  border-color: var(--secondary-color);
  box-shadow: 0 0 0 0.2rem rgba(52, 152, 219, 0.25);
}

/* Loading Spinner */
.loading-spinner {
  display: none;
  text-align: center;
  padding: 2rem;
}

.loading-spinner .spinner-border {
  width: 3rem;
  height: 3rem;
  color: var(--secondary-color);
}

/* Accordion Styling */
.accordion {
  margin-bottom: 2rem;
}

.accordion-item {
  border: none;
  margin-bottom: 1rem;
  border-radius: var(--border-radius) !important;
  overflow: hidden;
  box-shadow: var(--box-shadow);
}

.accordion-button {
  background: white;
  padding: 1.25rem;
  font-weight: 600;
  color: var(--text-color);
  transition: all var(--transition-speed);
}

.accordion-button:not(.collapsed) {
  background: var(--secondary-color);
  color: white;
}

.accordion-button:focus {
  box-shadow: none;
  border-color: var(--secondary-color);
}

.accordion-button::after {
  background-size: 1.25rem;
  transition: all var(--transition-speed);
}

/* Year Count Badge */
.year-count {
  font-size: 0.8rem;
  font-weight: 500;
  padding: 0.35rem 0.65rem;
  border-radius: 50px;
  transition: all var(--transition-speed);
}

.accordion-button:not(.collapsed) .year-count {
  background-color: rgba(255, 255, 255, 0.2) !important;
  color: white;
}

.accordion-button.collapsed .year-count.bg-primary {
  background-color: var(--secondary-color) !important;
}

.accordion-button.collapsed .year-count.bg-danger {
  background-color: var(--accent-color) !important;
}

.accordion-body {
  padding: 1.5rem;
  background: white;
}

/* Events Table */
.events-table-container {
  background: white;
  border-radius: var(--border-radius);
  box-shadow: var(--box-shadow);
  overflow: hidden;
}

.table {
  margin-bottom: 0;
}

.table th {
  background: var(--light-gray);
  color: var(--text-color);
  font-weight: 600;
  padding: 1rem;
  border: none;
}

.table td {
  padding: 1rem;
  vertical-align: middle;
  border-bottom: 1px solid var(--light-gray);
}

.table tr:last-child td {
  border-bottom: none;
}

.event-link {
  color: var(--secondary-color);
  text-decoration: none;
  font-weight: 500;
  transition: color var(--transition-speed);
}

.event-link:hover {
  color: var(--primary-color);
  text-decoration: none;
}

/* No Events Message */
.no-events-message {
  text-align: center;
  padding: 3rem;
  color: var(--dark-gray);
}

.no-events-message i {
  font-size: 3rem;
  margin-bottom: 1rem;
  color: var(--light-gray);
}

/* Animations */
.animate__animated {
  animation-duration: 0.5s;
}

/* Responsive Adjustments */
@media (max-width: 768px) {
  .page-header {
    padding: 2rem 0;
  }

  .page-header h1 {
    font-size: 2rem;
  }

  .search-form {
    padding: 1.5rem;
  }

  .accordion-button {
    padding: 1rem;
  }

  .accordion-body {
    padding: 1rem;
  }

  .table td, .table th {
    padding: 0.75rem;
  }
}