/* Base Styles */
:root {
  --border-radius: 8px;
  --box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
  --transition: all 0.3s ease;
}

/* Container & Layout */
.container {
  max-width: 1200px;
  margin: 2rem auto;
  padding: 0 1rem;
}

/* Search Section */
.search-container {
  display: flex;
  gap: 1rem;
  margin: 2rem 0;
  position: relative;
}

.search-container input {
  flex: 1;
  padding: 0.8rem 1.2rem;
  border: 2px solid #e9ecef;
  border-radius: var(--border-radius);
  font-size: 1rem;
  transition: var(--transition);
  box-shadow: var(--box-shadow);
}

.search-container input:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(114, 9, 183, 0.2);
}

.search-container button {
  padding: 0.8rem 1.5rem;
  background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
  color: white;
  border: none;
  border-radius: var(--border-radius);
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  box-shadow: var(--box-shadow);
}

.search-container button:hover {
  background: linear-gradient(135deg, var(--secondary-color), var(--primary-color));
  transform: translateY(-2px);
}

/* Section Styling */
.concluded-events-section {
  background: white;
  border-radius: var(--border-radius);
  padding: 1.5rem;
  box-shadow: var(--box-shadow);
  transition: var(--transition);
  margin-bottom: 3rem;
}

.concluded-events-section:hover {
  box-shadow: 0 10px 15px rgba(0, 0, 0, 0.1);
}

.concluded-events-section h2 {
  color: var(--primary-color);
  margin-bottom: 1.5rem;
  padding-bottom: 0.5rem;
  border-bottom: 2px solid var(--accent-color);
  display: inline-block;
}

/* Table Styling */
.table-container {
  overflow-x: auto;
  margin-bottom: 1.5rem;
  border-radius: var(--border-radius);
}

table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  background: white;
  border-radius: var(--border-radius);
  overflow: hidden;
  box-shadow: var(--box-shadow);
}

th {
  background: linear-gradient(to right, var(--primary-color), var(--secondary-color));
  color: var(--light-text);
  padding: 1rem;
  text-align: left;
  font-weight: 600;
  position: sticky;
  top: 0;
}

td {
  padding: 1rem;
  border-bottom: 1px solid #e9ecef;
  transition: var(--transition);
}

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

tr:hover td {
  background-color: rgba(181, 23, 158, 0.1);
  transform: scale(1.01);
}

/* Action Buttons */
.action-buttons {
  display: flex;
  gap: 0.5rem;
}

.action-buttons a {
  padding: 0.5rem 1rem;
  border-radius: var(--border-radius);
  font-weight: 500;
  text-decoration: none;
  transition: var(--transition);
  font-size: 0.9rem;
}

.download-btn {
  background-color: #4cc9f0;
  color: white;
}

.download-btn:hover {
  background-color: #3aa8d8;
}

.register-btn {
  background-color: #7209b7;
  color: white;
}

.register-btn:hover {
  background-color: #560bad;
}

/* Time Cell Styling */
.time-cell {
  line-height: 1.6;
}

.time-cell span {
  display: block;
}

/* Pagination */
.pagination {
  display: flex;
  justify-content: center;
  margin-top: 2rem;
  gap: 0.5rem;
}

.pagination a {
  color: var(--dark-text);
  padding: 0.5rem 1rem;
  text-decoration: none;
  border-radius: var(--border-radius);
  border: 1px solid #e9ecef;
  transition: var(--transition);
  font-weight: 500;
}

.pagination a:hover {
  background-color: var(--light-bg);
}

.pagination a.active {
  background: linear-gradient(to right, var(--primary-color), var(--secondary-color));
  color: white;
  border-color: transparent;
}

/* Responsive Adjustments */
@media (max-width: 768px) {
  .search-container {
    flex-direction: column;
  }
  
  th, td {
    padding: 0.75rem;
    font-size: 0.9rem;
  }
  
  .action-buttons {
    flex-direction: column;
  }
  
  .pagination {
    flex-wrap: wrap;
  }
}