:root {
  --primary-color: #3a4aa3;
  --primary-hover: #2c3a8c;
  --secondary-color: #f0f2fa;
  --text-color: #333;
  --light-text: #666;
  --border-color: #ddd;
  --success-color: #4caf50;
  --danger-color: #f44336;
  --warning-color: #ff9800;
  --info-color: #2196f3;
  --card-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
  --border-radius: 8px;
  --transition: all 0.3s ease;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: 'Roboto', sans-serif;
  line-height: 1.6;
  color: var(--text-color);
  background-color: #f8f9fa;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

/* Header Styles */
header {
  background-color: white;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
  padding: 15px 0;
  position: sticky;
  top: 0;
  z-index: 100;
}

header .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  font-size: 24px;
  font-weight: 500;
  color: var(--primary-color);
}

.tabs {
  display: flex;
  gap: 10px;
}

.tab-btn {
  padding: 8px 16px;
  background: none;
  border: none;
  border-radius: var(--border-radius);
  cursor: pointer;
  font-weight: 500;
  transition: var(--transition);
}

.tab-btn:hover {
  background-color: var(--secondary-color);
}

.tab-btn.active {
  color: var(--primary-color);
  border-bottom: 2px solid var(--primary-color);
}

/* Main Content Styles */
main {
  padding: 30px 0;
  min-height: calc(100vh - 150px);
}

/* Tab Content */
.tab-content {
  display: none;
  animation: fadeIn 0.3s ease;
}

.tab-content.active {
  display: block;
}

/* Form Styles */
.search-form {
  background-color: white;
  padding: 30px;
  border-radius: var(--border-radius);
  box-shadow: var(--card-shadow);
  max-width: 800px;
  margin: 0 auto;
}

.search-form h2 {
  margin-bottom: 20px;
  color: var(--primary-color);
}

.search-form h3 {
  margin: 20px 0 10px;
  color: var(--text-color);
  font-size: 18px;
}

.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  margin-bottom: 8px;
  font-weight: 500;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 12px;
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  font-size: 16px;
  transition: var(--transition);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 2px rgba(58, 74, 163, 0.2);
}

.form-group textarea {
  min-height: 80px;
  resize: vertical;
}

.help-text {
  font-size: 14px;
  color: var(--light-text);
  margin-top: 6px;
  font-style: italic;
}

.form-actions {
  display: flex;
  gap: 10px;
  margin-top: 30px;
}

/* Style for the keyword type sections */
#entityKeywordFields,
#projectKeywordFields {
  margin-top: 20px;
  padding: 15px;
  background-color: var(--secondary-color);
  border-radius: var(--border-radius);
  border: 1px solid var(--border-color);
}

#entityKeywordFields h3,
#projectKeywordFields h3 {
  margin-top: 0;
  margin-bottom: 15px;
  font-size: 18px;
  color: var(--text-color);
}

/* Button Styles */
.btn-primary {
  background-color: var(--primary-color);
  color: white;
  border: none;
  padding: 12px 24px;
  border-radius: var(--border-radius);
  font-size: 16px;
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition);
}

.btn-primary:hover {
  background-color: var(--primary-hover);
}

.btn-secondary {
  background-color: var(--secondary-color);
  color: var(--text-color);
  border: 1px solid var(--border-color);
  padding: 12px 24px;
  border-radius: var(--border-radius);
  font-size: 16px;
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition);
}

.btn-secondary:hover {
  background-color: #e6e8f5;
}

.btn-refresh,
.btn-back {
  background-color: var(--secondary-color);
  color: var(--text-color);
  border: 1px solid var(--border-color);
  padding: 8px 16px;
  border-radius: var(--border-radius);
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition);
}

.btn-refresh:hover,
.btn-back:hover {
  background-color: #e6e8f5;
}

.btn-view {
  background-color: var(--info-color);
  color: white;
  border: none;
  padding: 8px 16px;
  border-radius: var(--border-radius);
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition);
}

.btn-view:hover {
  background-color: #0b7dda;
}

.btn-edit {
  background-color: var(--warning-color);
  color: white;
  border: none;
  padding: 8px 16px;
  border-radius: var(--border-radius);
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition);
}

.btn-edit:hover {
  background-color: #e68a00;
}

.btn-delete {
  background-color: var(--danger-color);
  color: white;
  border: none;
  padding: 8px 16px;
  border-radius: var(--border-radius);
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition);
}

.btn-delete:hover {
  background-color: #d32f2f;
}

.btn-delete-small {
  background-color: var(--danger-color);
  color: white;
  border: none;
  padding: 4px 8px;
  border-radius: 4px;
  font-size: 12px;
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition);
}

.btn-delete-small:hover {
  background-color: #d32f2f;
}

/* Saved Searches Styles */
.saved-searches-container {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 20px;
  margin-top: 20px;
}

.search-card {
  background-color: white;
  border-radius: var(--border-radius);
  box-shadow: var(--card-shadow);
  padding: 20px;
  transition: var(--transition);
}

.search-card:hover {
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
  transform: translateY(-2px);
}

.search-card h3 {
  color: var(--primary-color);
  margin-bottom: 10px;
  font-size: 18px;
}

.search-details {
  color: var(--light-text);
  margin-bottom: 15px;
  font-size: 14px;
}

.action-buttons {
  display: flex;
  gap: 10px;
  margin-top: 15px;
}

/* News Results Styles */
.news-results {
  margin-top: 30px;
}

.news-results.hidden {
  display: none;
}

.results-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
}

.results-header h2 {
  color: var(--primary-color);
}

.actions {
  display: flex;
  gap: 10px;
}

.news-items-container {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.news-card {
  background-color: white;
  border-radius: var(--border-radius);
  box-shadow: var(--card-shadow);
  padding: 20px;
  transition: var(--transition);
}

.news-card:hover {
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.news-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 10px;
}

.news-header h3 {
  margin: 0;
  font-size: 18px;
  flex: 1;
}

.news-header a {
  color: var(--primary-color);
  text-decoration: none;
  transition: var(--transition);
}

.news-header a:hover {
  text-decoration: underline;
}

.news-date {
  font-size: 14px;
  color: var(--light-text);
  white-space: nowrap;
  margin-left: 15px;
  background-color: var(--secondary-color);
  padding: 3px 8px;
  border-radius: 4px;
}

.news-description {
  margin-bottom: 15px;
  line-height: 1.5;
}

.news-meta-info {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin: 15px 0;
  padding: 10px;
  background-color: var(--secondary-color);
  border-radius: var(--border-radius);
}

.news-meta-item {
  display: flex;
  align-items: center;
  font-size: 14px;
  color: var(--text-color);
}

.meta-label {
  font-weight: 500;
  color: var(--primary-color);
  margin-right: 5px;
}

.news-footer {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
  margin-top: 15px;
}

.btn-view-small {
  background-color: var(--info-color);
  color: white;
  border: none;
  padding: 6px 12px;
  border-radius: 4px;
  font-size: 12px;
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition);
  text-decoration: none;
  display: inline-block;
}

.btn-view-small:hover {
  background-color: #0b7dda;
}

.news-origin,
.news-type,
.news-language {
  background-color: var(--secondary-color);
  padding: 4px 8px;
  border-radius: 4px;
}

/* Loading and Message Styles */
.loading {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  margin: 30px 0;
}

.loading.hidden {
  display: none;
}

.loading img {
  width: 60px;
  height: 60px;
  margin-bottom: 15px;
}

.error-message {
  background-color: #ffebee;
  color: var(--danger-color);
  padding: 15px;
  border-radius: var(--border-radius);
  margin: 20px 0;
  text-align: center;
}

.error-message.hidden {
  display: none;
}

.status-message {
  position: fixed;
  bottom: 20px;
  left: 50%;
  transform: translateX(-50%);
  background-color: var(--info-color);
  color: white;
  padding: 12px 24px;
  border-radius: var(--border-radius);
  box-shadow: var(--card-shadow);
  z-index: 1000;
  text-align: center;
  font-weight: 500;
}

.success-message {
  position: fixed;
  top: 20px;
  right: 20px;
  background-color: var(--success-color);
  color: white;
  padding: 15px 20px;
  border-radius: var(--border-radius);
  box-shadow: var(--card-shadow);
  z-index: 1000;
  animation: slideIn 0.3s ease, slideOut 0.3s ease 2.7s forwards;
}

.no-data {
  text-align: center;
  color: var(--light-text);
  margin: 30px 0;
}

.loading-message {
  text-align: center;
  color: var(--light-text);
  margin: 30px 0;
}

/* Footer Styles */
footer {
  background-color: white;
  border-top: 1px solid var(--border-color);
  padding: 20px 0;
  text-align: center;
  color: var(--light-text);
}

.results-count {
  background-color: var(--secondary-color);
  color: var(--primary-color);
  padding: 10px 15px;
  border-radius: var(--border-radius);
  margin-bottom: 15px;
  font-weight: 500;
  text-align: center;
}

.news-id small {
  font-size: 12px;
  font-family: monospace;
  opacity: 0.7;
}

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

@keyframes slideIn {
  from {
    transform: translateX(100%);
    opacity: 0;
  }
  to {
    transform: translateX(0);
    opacity: 1;
  }
}

@keyframes slideOut {
  from {
    transform: translateX(0);
    opacity: 1;
  }
  to {
    transform: translateX(100%);
    opacity: 0;
  }
}

/* Responsive Styles */
@media (max-width: 768px) {
  header .container {
    flex-direction: column;
    gap: 15px;
  }
  
  .search-form {
    padding: 20px;
  }
  
  .results-header {
    flex-direction: column;
    gap: 15px;
    align-items: flex-start;
  }
  
  .saved-searches-container {
    grid-template-columns: 1fr;
  }
  
  .news-header {
    flex-direction: column;
  }
  
  .news-date {
    margin-left: 0;
    margin-top: 5px;
  }
}

@media (min-width: 768px) {
  .news-meta-info {
    flex-direction: row;
    flex-wrap: wrap;
    gap: 15px;
  }
}