:root {
  --primary-color: #03738C;
  --secondary-color: #ecf0f1;
  --accent-color: #3498db;
  --text-color: #333;
  --border-color: #bdc3c7;
  --shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
  --tile-width: 220px;
  --tile-height: 280px;
  --gap-size: 20px;
  --civ-header-bg: #f0f0f0;
  --civ-row-hover: #f9f9f9;
  --civ-border: #e0e0e0;
  --filter-bg: #f8f9fa;
  --filter-border: #dee2e6;
  --dropdown-bg: #ffffff;
  --dropdown-border: #bdc3c7;
  --dropdown-hover-bg: #e9ecef;
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  line-height: 1.6;
  color: var(--text-color);
  background-color: #fff;
  padding: 0;
  margin: 0;
}

a {
  color: var(--primary-color);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

.hero-header {
  position: relative;
  background-image: url('../assets/background.jpg');
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  height: 400px;
  display: flex;
  justify-content: center;
  align-items: center;
  text-align: center;
  font-family: 'Lora', serif;
}

.overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.5);
}

.hero-content {
  z-index: 1;
  color: white;
  max-width: 1200px;
  padding: 0 20px;
  margin: 0 auto;
}

.hero-content h1 {
  font-weight: 700;
  font-size: 3rem;
  margin-bottom: 1rem;
  line-height: 1.2;
}

.hero-content p {
  font-size: 1.5rem;
  max-width: 800px;
  margin: 0 auto 2rem;
  line-height: 1.4;
}

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

main {
  min-height: 500px;
}

.toolbar .search-container {
  max-width: 360px;
  flex: 1;
  margin-bottom: 0;
}

.toolbar .search-input-wrapper {
  position: relative;
  width: 100%;
}

.toolbar .search-input-wrapper input {
  padding: 7px 30px 7px 35px;
  background-color: #ffffff;
  border: 1px solid var(--border-color);
  border-radius: 4px;
  width: 100%;
  font-size: 14px;
  transition: border-color 0.2s ease, box-shadow 0.2s ease, background-color 0.2s ease;
}

.toolbar .search-input-wrapper input:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 2px rgba(3, 115, 140, 0.2);
  background-color: #fff;
}

.toolbar .search-icon {
  position: absolute;
  left: 10px;
  top: 50%;
  transform: translateY(-50%);
  color: #999;
  pointer-events: none;
  width: 14px;
  height: 14px;
}

.toolbar {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-start;
  align-items: center;
  gap: 15px;
  padding: 15px;
  margin-bottom: 20px;
  background-color: var(--filter-bg);
  border: 1px solid var(--filter-border);
  border-radius: 4px;
}

.toolbar .filters {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  flex: 2;
}

.custom-dropdown {
  position: relative;
  display: inline-block;
  min-width: 150px;
}

.custom-dropdown .dropdown-button {
  width: 100%;
  padding: 7px 12px;
  background-color: var(--dropdown-bg);
  border: 1px solid var(--dropdown-border);
  border-radius: 4px;
  cursor: pointer;
  font-size: 14px;
  text-align: left;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: border-color 0.2s ease;
}

.custom-dropdown .dropdown-button:hover {
  border-color: #95a5a6;
}

.custom-dropdown .dropdown-button::after {
  content: '▼';
  font-size: 0.8em;
  margin-left: 8px;
  color: #777;
}

.custom-dropdown .dropdown-button.active,
.custom-dropdown .dropdown-button.active:hover {
  border-color: var(--primary-color);
  box-shadow: 0 0 0 2px rgba(3, 115, 140, 0.2);
}

.custom-dropdown .dropdown-menu {
  position: absolute;
  top: 100%;
  left: 0;
  z-index: 1000;
  display: none;
  float: left;
  min-width: 100%;
  padding: 5px 0;
  margin: 2px 0 0;
  font-size: 14px;
  color: var(--text-color);
  text-align: left;
  list-style: none;
  background-color: var(--dropdown-bg);
  background-clip: padding-box;
  border: 1px solid var(--dropdown-border);
  border-radius: 4px;
  box-shadow: 0 6px 12px rgba(0, 0, 0, 0.175);
  max-height: 200px;
  overflow-y: auto;
}

.custom-dropdown .dropdown-menu.show {
  display: block;
}

.custom-dropdown .dropdown-menu li {
  padding: 0;
  margin: 0;
}

.custom-dropdown .dropdown-menu label {
  display: flex;
  align-items: flex-start;
  padding: 6px 12px;
  margin: 0;
  cursor: pointer;
  transition: background-color 0.1s ease;
}

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

.custom-dropdown .dropdown-menu input[type="checkbox"],
.custom-dropdown .dropdown-menu input[type="radio"] {
  margin-top: 3px;
  margin-right: 8px;
  flex-shrink: 0;
}

.custom-dropdown .dropdown-menu label span {
  flex-grow: 1;
  hyphens: auto;
  word-break: break-word;
}

.custom-dropdown .dropdown-menu input[type="radio"] {
    accent-color: var(--primary-color);
}

.toolbar .clear-filters-btn {
  padding: 7px 10px;
  border: 1px solid var(--border-color);
  border-radius: 4px;
  background-color: #fff;
  cursor: pointer;
  font-size: 14px;
  color: var(--primary-color);
  transition: background-color 0.2s ease, border-color 0.2s ease;
  white-space: nowrap;
}

.toolbar .clear-filters-btn:hover {
  background-color: var(--secondary-color);
  border-color: #95a5a6;
}

.toolbar .view-toggle {
  display: flex;
  gap: 5px;
  margin-left: auto;
  flex-shrink: 0;
}

.toolbar .view-btn {
  background-color: #fff;
  border: 1px solid var(--border-color);
  border-radius: 4px;
  padding: 7px 10px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background-color 0.2s ease, border-color 0.2s ease;
  flex-shrink: 0;
  line-height: 1;
}

.toolbar .view-btn:hover {
  background-color: var(--secondary-color);
  border-color: #95a5a6;
}

.toolbar .view-btn.active {
  background-color: var(--primary-color);
  color: white;
  border-color: var(--primary-color);
}

.toolbar .view-toggle .view-btn i {
  width: 1.1em;
  height: 1.1em;
}
/* ------------------------------------------------ */


.loading,
.error {
  text-align: center;
  padding: 50px 20px;
}

.loading.hidden,
.error.hidden {
  display: none;
}

/* --- Updated Spinner Styles --- */
.loading .loader {
  animation: rotate 1s infinite;
  height: 50px;
  width: 50px;
  margin: 0 auto 15px;
}

.loading .loader:before,
.loading .loader:after {
  border-radius: 50%;
  content: "";
  display: block;
  height: 20px;
  width: 20px;
}

.loading .loader:before {
  animation: ball1 1s infinite;
  background-color: #bdc3c7; /* Darkened from #ecf0f1 to #bdc3c7 */
  box-shadow: 30px 0 0 var(--primary-color); /* Using primary color */
  margin-bottom: 10px;
}

.loading .loader:after {
  animation: ball2 1s infinite;
  background-color: var(--primary-color); /* Using primary color */
  box-shadow: 30px 0 0 #bdc3c7; /* Using darkened secondary color */
}

@keyframes rotate {
  0% { transform: rotate(0deg) scale(0.8) }
  50% { transform: rotate(360deg) scale(1.2) }
  100% { transform: rotate(720deg) scale(0.8) }
}

@keyframes ball1 {
  0% {
    box-shadow: 30px 0 0 var(--primary-color);
  }
  50% {
    box-shadow: 0 0 0 var(--primary-color);
    margin-bottom: 0;
    transform: translate(15px, 15px);
  }
  100% {
    box-shadow: 30px 0 0 var(--primary-color);
    margin-bottom: 10px;
  }
}

@keyframes ball2 {
  0% {
    box-shadow: 30px 0 0 #bdc3c7;
  }
  50% {
    box-shadow: 0 0 0 #bdc3c7;
    margin-top: -20px;
    transform: translate(15px, 15px);
  }
  100% {
    box-shadow: 30px 0 0 #bdc3c7;
    margin-top: 0;
  }
}
/* ---------------------------- */

.error {
  color: #e74c3c;
}

#contentArea {
  margin-bottom: 30px;
}

.no-records-message {
  text-align: center;
  padding: 40px 20px;
  font-style: italic;
  color: #777;
}

.compact-image-view {
  list-style: none;
  padding: 0;
  margin: 0;
  border: 1px solid var(--civ-border);
  border-radius: 4px;
  overflow: hidden;
}

.compact-image-header {
  display: flex;
  align-items: center;
  padding: 12px 15px;
  background-color: var(--civ-header-bg);
  font-weight: 600;
  font-size: 0.9em;
  border-bottom: 1px solid var(--civ-border);
}

.compact-image-header .civ-col-image {
  flex: 0 0 60px;
  padding-right: 10px;
}

.compact-image-header .civ-col-title {
  flex: 2;
  padding: 0 10px;
}

.compact-image-header .civ-col-description {
  flex: 3;
  padding: 0 10px;
}

.compact-image-header .civ-col-date {
  flex: 0 0 120px;
  padding: 0 10px;
  text-align: center;
}

.compact-image-header .civ-col-institution {
  flex: 1;
  padding: 0 10px;
  text-align: center;
}

.compact-image-header .civ-col-link {
  flex: 0 0 40px;
  padding-left: 10px;
  text-align: center;
}

.compact-image-item {
  display: flex;
  align-items: flex-start;
  padding: 12px 15px;
  border-bottom: 1px solid var(--civ-border);
  transition: background-color 0.2s ease;
}

.compact-image-item:last-child {
  border-bottom: none;
}

.compact-image-item:hover {
  background-color: var(--civ-row-hover);
}

.compact-image-item .civ-col-image {
  flex: 0 0 60px;
  padding-right: 10px;
}

.compact-image-item .civ-col-title {
  flex: 2;
  padding: 0 10px;
  font-weight: 500;
  font-size: 0.95em;
}

.compact-image-item .civ-col-description {
  flex: 3;
  padding: 0 10px;
  font-size: 0.9em;
  color: #555;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.compact-image-item .civ-col-date {
  flex: 0 0 120px;
  padding: 0 10px;
  font-size: 0.85em;
  color: #777;
  text-align: center;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.compact-image-item .civ-col-institution {
  flex: 1;
  padding: 0 10px;
  font-size: 0.85em;
  color: #777;
  font-style: italic;
  text-align: left;
  white-space: normal;
  word-break: break-word;
}

.compact-image-item .civ-col-link {
  flex: 0 0 40px;
  padding-left: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.compact-image-item .civ-col-link a {
  color: var(--primary-color);
  opacity: 0.7;
  transition: opacity 0.2s ease, transform 0.2s ease;
}

.compact-image-item .civ-col-link a:hover {
  opacity: 1;
  transform: translateY(-1px);
  text-decoration: none;
}

.compact-image-item .civ-col-link a i {
  width: 1.1em;
  height: 1.1em;
}

.civ-image-container {
  width: 100%;
  height: 60px;
  background-color: var(--secondary-color);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  border-radius: 3px;
}

.civ-image-container img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.civ-image-container .icon-placeholder {
  color: #95a5a6;
  width: 60%;
  height: 60%;
}

.list-view {
  list-style: none;
  padding: 0;
  margin: 0;
}

.list-item {
  padding: 15px;
  border-bottom: 1px solid var(--border-color);
}

.list-item:last-child {
  border-bottom: none;
}

.list-item h3 {
  margin-bottom: 8px;
  font-size: 1.1em;
  font-weight: 500;
}

.list-item p {
  margin-bottom: 8px;
  color: #555;
  font-size: 0.95em;
}

.list-item .provider {
  font-style: italic;
  color: #777;
  font-size: 0.9em;
}

.list-item .view-link {
  display: inline-block;
  margin-top: 8px;
  font-size: 0.9em;
  color: var(--primary-color);
}
.list-item .view-link:hover {
  text-decoration: underline;
}

.tile-view {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(var(--tile-width), 1fr));
  gap: var(--gap-size);
  list-style: none;
  padding: 0;
  margin: 0;
}

.tile-item {
  border: 1px solid var(--border-color);
  border-radius: 6px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  background-color: #fff;
  box-shadow: var(--shadow);
  transition: box-shadow 0.2s ease, transform 0.2s ease;
}

.tile-item:hover {
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.15);
  transform: translateY(-2px);
}

.tile-image-container {
  width: 100%;
  height: 180px;
  background-color: var(--secondary-color);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  position: relative;
}

.tile-image-container img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.tile-image-container .icon-placeholder {
  color: #95a5a6;
  width: 40%;
  height: 40%;
}

.tile-content {
  padding: 12px;
  flex-grow: 1;
  display: flex;
  flex-direction: column;
}

.tile-content h3 {
  margin: 0 0 8px 0;
  font-size: 0.95em;
  font-weight: 500;
  line-height: 1.3;
  flex-grow: 1;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.tile-content p {
  margin: 0 0 5px 0;
  font-size: 0.85em;
  color: #777;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.tile-content .view-link {
  font-size: 0.8em;
  color: var(--primary-color);
  margin-top: auto;
  align-self: flex-start;
}
.tile-content .view-link:hover {
  text-decoration: underline;
}

.pagination {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 15px;
  padding: 15px 0;
  border-top: 1px solid var(--border-color);
}

.pagination.hidden {
  display: none;
}

.items-per-page select {
  padding: 5px;
  border: 1px solid var(--border-color);
  border-radius: 4px;
}

.page-navigation {
  display: flex;
  align-items: center;
  gap: 10px;
}

.page-navigation button {
  padding: 6px 12px;
  border: 1px solid var(--border-color);
  border-radius: 4px;
  background-color: #fff;
  cursor: pointer;
  transition: background-color 0.2s ease, border-color 0.2s ease;
}

.page-navigation button:disabled {
  background-color: var(--secondary-color);
  cursor: not-allowed;
  opacity: 0.6;
}

.page-navigation button:hover:not(:disabled) {
  background-color: var(--secondary-color);
  border-color: #95a5a6;
}

#pageInfo {
  font-size: 0.9em;
  white-space: nowrap;
}

footer {
  text-align: center;
  padding: 20px 0;
  margin-top: 10px;
  border-top: 1px solid var(--border-color);
  color: #777;
  font-size: 0.9em;
}

footer p a {
  color: var(--primary-color);
  text-decoration: none;
}
footer p a:hover {
  text-decoration: underline;
}

@media (max-width: 768px) {
  .toolbar {
    flex-direction: column;
    align-items: stretch;
  }

  .toolbar .search-container {
    max-width: 100%;
    margin-bottom: 10px;
  }

  .toolbar .filters {
    justify-content: center;
    flex-direction: column;
    align-items: stretch;
  }

  .custom-dropdown {
    min-width: 100%;
  }

  .toolbar .view-toggle {
    justify-content: center;
    margin-left: 0;
  }

  .compact-image-header,
  .compact-image-item {
    flex-direction: column;
    align-items: stretch;
  }

  .compact-image-header > div,
  .compact-image-item > div {
    padding: 5px 0;
    text-align: left;
    flex: none;
    width: 100%;
  }

  .compact-image-header .civ-col-image,
  .compact-image-item .civ-col-image {
    order: -1;
    padding-bottom: 10px;
  }

  .civ-image-container {
    width: 100%;
    height: 150px;
  }

  .compact-image-header .civ-col-link,
  .compact-image-item .civ-col-link {
    text-align: left;
    padding-top: 10px;
  }

  .tile-view {
    grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
    --tile-width: 160px;
    --tile-height: 240px;
  }

  .tile-image-container {
    height: 130px;
  }

  .tile-content {
    padding: 8px;
  }

  .tile-content h3 {
    font-size: 0.9em;
  }

  .tile-content p,
  .tile-content .view-link {
    font-size: 0.75em;
  }

  .pagination {
    flex-direction: column;
    align-items: stretch;
    text-align: center;
  }

  .page-navigation {
    justify-content: center;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 15px;
  }

  .hero-header {
    height: 300px;
  }

  .hero-content h1 {
    font-size: 2.2rem;
  }

  .hero-content p {
    font-size: 1.2rem;
    max-width: 90%;
  }

  .tile-view {
    grid-template-columns: 1fr 1fr;
    gap: 10px;
    --gap-size: 10px;
  }

  .tile-image-container {
    height: 110px;
  }

  .tile-content {
    padding: 8px;
  }

  .tile-content h3 {
    font-size: 0.9em;
  }

  .tile-content p,
  .tile-content .view-link {
    font-size: 0.75em;
  }
}