/* pages.css - أنماط الصفحات المخصصة */

/* ========== DASHBOARD PAGE ========== */
.dashboard-page {
  padding: var(--spacing-6);
}

.dashboard-grid {
  display: grid;
  grid-template-columns: repeat(1, 1fr);
  gap: var(--spacing-6);
  margin-bottom: var(--spacing-6);
}

@media (min-width: 768px) {
  .dashboard-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .dashboard-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

.dashboard-card {
  background: var(--color-neutral-0);
  border-radius: var(--radius-lg);
  padding: var(--spacing-6);
  box-shadow: var(--shadow-md);
  transition: all var(--transition-duration-300) var(--transition-timing-function-ease);
}

.dashboard-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-xl);
}

.dashboard-card-icon {
  width: 3rem;
  height: 3rem;
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--spacing-4);
  font-size: 1.5rem;
}

.dashboard-card-icon.primary {
  background: linear-gradient(135deg, var(--color-primary-100), var(--color-primary-200));
  color: var(--color-primary-600);
}

.dashboard-card-icon.secondary {
  background: linear-gradient(135deg, var(--color-secondary-100), var(--color-secondary-200));
  color: var(--color-secondary-600);
}

.dashboard-card-icon.success {
  background: linear-gradient(135deg, color-mix(in srgb, var(--color-success) 20%, white), color-mix(in srgb, var(--color-success) 40%, white));
  color: var(--color-success);
}

.dashboard-card-title {
  font-size: var(--text-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-neutral-500);
  margin-bottom: var(--spacing-2);
}

.dashboard-card-value {
  font-size: var(--text-2xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-neutral-900);
  margin-bottom: var(--spacing-2);
}

.dashboard-card-change {
  font-size: var(--text-sm);
  display: flex;
  align-items: center;
  gap: var(--spacing-1);
}

.dashboard-card-change.positive {
  color: var(--color-success);
}

.dashboard-card-change.negative {
  color: var(--color-error);
}

/* Charts Section */
.dashboard-charts {
  display: grid;
  grid-template-columns: repeat(1, 1fr);
  gap: var(--spacing-6);
  margin-bottom: var(--spacing-6);
}

@media (min-width: 1024px) {
  .dashboard-charts {
    grid-template-columns: repeat(2, 1fr);
  }
}

.chart-card {
  background: var(--color-neutral-0);
  border-radius: var(--radius-lg);
  padding: var(--spacing-6);
  box-shadow: var(--shadow-md);
}

.chart-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--spacing-4);
}

.chart-title {
  font-size: var(--text-lg);
  font-weight: var(--font-weight-semibold);
  color: var(--color-neutral-900);
  margin: 0;
}

.chart-actions {
  display: flex;
  gap: var(--spacing-2);
}

/* Recent Activity */
.recent-activity {
  background: var(--color-neutral-0);
  border-radius: var(--radius-lg);
  padding: var(--spacing-6);
  box-shadow: var(--shadow-md);
}

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

.activity-item {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-3);
  padding: var(--spacing-3) 0;
  border-bottom: 1px solid var(--color-neutral-200);
}

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

.activity-icon {
  width: 2.5rem;
  height: 2.5rem;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.activity-icon.success {
  background: color-mix(in srgb, var(--color-success) 20%, white);
  color: var(--color-success);
}

.activity-icon.warning {
  background: color-mix(in srgb, var(--color-warning) 20%, white);
  color: var(--color-warning);
}

.activity-icon.info {
  background: color-mix(in srgb, var(--color-info) 20%, white);
  color: var(--color-info);
}

.activity-content {
  flex: 1;
}

.activity-title {
  font-size: var(--text-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-neutral-900);
  margin-bottom: var(--spacing-1);
}

.activity-description {
  font-size: var(--text-sm);
  color: var(--color-neutral-500);
  margin-bottom: var(--spacing-2);
}

.activity-time {
  font-size: var(--text-xs);
  color: var(--color-neutral-400);
}

/* ========== MUSEUMS PAGE ========== */
.museums-page {
  padding: var(--spacing-6);
}

.page-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--spacing-6);
  padding-bottom: var(--spacing-4);
  border-bottom: 1px solid var(--color-neutral-200);
}

.page-title {
  font-size: var(--text-3xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-neutral-900);
  margin: 0;
}

.page-subtitle {
  font-size: var(--text-lg);
  color: var(--color-neutral-500);
  margin: var(--spacing-2) 0 0;
}

.page-actions {
  display: flex;
  gap: var(--spacing-3);
}

/* Museums Grid */
.museums-grid {
  display: grid;
  grid-template-columns: repeat(1, 1fr);
  gap: var(--spacing-6);
}

@media (min-width: 640px) {
  .museums-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .museums-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.museum-card {
  background: var(--color-neutral-0);
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  transition: all var(--transition-duration-300) var(--transition-timing-function-ease);
}

.museum-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-2xl);
}

.museum-card-image {
  height: 200px;
  background: linear-gradient(135deg, var(--color-primary-100), var(--color-primary-300));
  position: relative;
  overflow: hidden;
}

.museum-card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-duration-500) var(--transition-timing-function-ease);
}

.museum-card:hover .museum-card-image img {
  transform: scale(1.1);
}

.museum-card-badge {
  position: absolute;
  top: var(--spacing-4);
  left: var(--spacing-4);
  background: var(--color-secondary-500);
  color: white;
  padding: var(--spacing-1) var(--spacing-3);
  border-radius: var(--radius-full);
  font-size: var(--text-xs);
  font-weight: var(--font-weight-bold);
}

.museum-card-content {
  padding: var(--spacing-6);
}

.museum-card-title {
  font-size: var(--text-xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-neutral-900);
  margin-bottom: var(--spacing-2);
}

.museum-card-location {
  display: flex;
  align-items: center;
  gap: var(--spacing-2);
  color: var(--color-neutral-500);
  margin-bottom: var(--spacing-4);
  font-size: var(--text-sm);
}

.museum-card-description {
  color: var(--color-neutral-600);
  line-height: var(--line-height-relaxed);
  margin-bottom: var(--spacing-4);
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.museum-card-stats {
  display: flex;
  gap: var(--spacing-4);
  margin-bottom: var(--spacing-4);
  padding-bottom: var(--spacing-4);
  border-bottom: 1px solid var(--color-neutral-200);
}

.museum-stat {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-1);
}

.museum-stat-value {
  font-size: var(--text-lg);
  font-weight: var(--font-weight-bold);
  color: var(--color-neutral-900);
}

.museum-stat-label {
  font-size: var(--text-xs);
  color: var(--color-neutral-500);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.museum-card-actions {
  display: flex;
  gap: var(--spacing-2);
}

/* Museum Details Page */
.museum-details-page {
  padding: var(--spacing-6);
}

.museum-header {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-6);
  margin-bottom: var(--spacing-6);
  padding-bottom: var(--spacing-6);
  border-bottom: 1px solid var(--color-neutral-200);
}

@media (max-width: 768px) {
  .museum-header {
    flex-direction: column;
  }
}

.museum-cover {
  width: 300px;
  height: 200px;
  border-radius: var(--radius-xl);
  overflow: hidden;
  flex-shrink: 0;
}

.museum-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.museum-info {
  flex: 1;
}

.museum-title {
  font-size: var(--text-4xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-neutral-900);
  margin-bottom: var(--spacing-2);
}

.museum-meta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-4);
  margin-bottom: var(--spacing-4);
}

.museum-meta-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-2);
  color: var(--color-neutral-500);
}

.museum-description {
  font-size: var(--text-lg);
  line-height: var(--line-height-relaxed);
  color: var(--color-neutral-700);
}

.museum-sections {
  display: grid;
  grid-template-columns: repeat(1, 1fr);
  gap: var(--spacing-6);
}

@media (min-width: 1024px) {
  .museum-sections {
    grid-template-columns: 2fr 1fr;
  }
}

.museum-section {
  background: var(--color-neutral-0);
  border-radius: var(--radius-lg);
  padding: var(--spacing-6);
  box-shadow: var(--shadow-md);
}

.museum-section-title {
  font-size: var(--text-xl);
  font-weight: var(--font-weight-semibold);
  color: var(--color-neutral-900);
  margin-bottom: var(--spacing-4);
  padding-bottom: var(--spacing-2);
  border-bottom: 2px solid var(--color-primary-500);
}

/* Museum Exhibits */
.exhibits-grid {
  display: grid;
  grid-template-columns: repeat(1, 1fr);
  gap: var(--spacing-4);
}

@media (min-width: 640px) {
  .exhibits-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .exhibits-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.exhibit-card {
  background: var(--color-neutral-50);
  border-radius: var(--radius-lg);
  padding: var(--spacing-4);
  transition: all var(--transition-duration-200) var(--transition-timing-function-ease);
  border: 1px solid transparent;
}

.exhibit-card:hover {
  background: var(--color-neutral-0);
  border-color: var(--color-neutral-200);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.exhibit-card-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: var(--spacing-3);
}

.exhibit-card-title {
  font-size: var(--text-lg);
  font-weight: var(--font-weight-semibold);
  color: var(--color-neutral-900);
  margin: 0;
}

.exhibit-card-badge {
  background: var(--color-primary-100);
  color: var(--color-primary-700);
  padding: 2px 8px;
  border-radius: var(--radius-full);
  font-size: var(--text-xs);
  font-weight: var(--font-weight-semibold);
}

.exhibit-card-description {
  color: var(--color-neutral-600);
  font-size: var(--text-sm);
  line-height: var(--line-height-relaxed);
  margin-bottom: var(--spacing-3);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.exhibit-card-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.exhibit-card-date {
  font-size: var(--text-xs);
  color: var(--color-neutral-500);
}

/* ========== EXHIBITS PAGE ========== */
.exhibits-page {
  padding: var(--spacing-6);
}

.exhibits-toolbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--spacing-6);
  padding: var(--spacing-4);
  background: var(--color-neutral-0);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
}

.exhibits-search {
  position: relative;
  width: 300px;
}

.exhibits-search input {
  width: 100%;
  padding: var(--spacing-3) var(--spacing-4) var(--spacing-3) var(--spacing-12);
  border: 1px solid var(--color-neutral-300);
  border-radius: var(--radius-md);
  background: var(--color-neutral-50);
  transition: all var(--transition-duration-200) var(--transition-timing-function-ease);
}

.exhibits-search input:focus {
  border-color: var(--color-primary-500);
  background: var(--color-neutral-0);
  box-shadow: 0 0 0 3px rgba(30, 64, 175, 0.1);
}

.exhibits-search-icon {
  position: absolute;
  right: var(--spacing-4);
  top: 50%;
  transform: translateY(-50%);
  color: var(--color-neutral-400);
}

.exhibits-filters {
  display: flex;
  gap: var(--spacing-3);
}

.filter-group {
  display: flex;
  align-items: center;
  gap: var(--spacing-2);
}

.filter-label {
  font-size: var(--text-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-neutral-600);
}

.filter-select {
  padding: var(--spacing-2) var(--spacing-3);
  border: 1px solid var(--color-neutral-300);
  border-radius: var(--radius-md);
  background: var(--color-neutral-50);
  font-size: var(--text-sm);
  color: var(--color-neutral-700);
  transition: all var(--transition-duration-200) var(--transition-timing-function-ease);
}

.filter-select:focus {
  border-color: var(--color-primary-500);
  background: var(--color-neutral-0);
  outline: none;
  box-shadow: 0 0 0 3px rgba(30, 64, 175, 0.1);
}

/* Exhibits Table */
.exhibits-table-container {
  background: var(--color-neutral-0);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
}

.exhibits-table {
  width: 100%;
  border-collapse: collapse;
}

.exhibits-table thead {
  background: var(--color-neutral-50);
}

.exhibits-table th {
  padding: var(--spacing-4);
  text-align: right;
  font-weight: var(--font-weight-semibold);
  color: var(--color-neutral-700);
  border-bottom: 2px solid var(--color-neutral-200);
}

.exhibits-table td {
  padding: var(--spacing-4);
  border-bottom: 1px solid var(--color-neutral-200);
  vertical-align: middle;
}

.exhibits-table tbody tr {
  transition: all var(--transition-duration-200) var(--transition-timing-function-ease);
}

.exhibits-table tbody tr:hover {
  background: var(--color-neutral-50);
}

.exhibit-row-image {
  width: 60px;
  height: 60px;
  border-radius: var(--radius-md);
  overflow: hidden;
}

.exhibit-row-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.exhibit-row-info {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-1);
}

.exhibit-row-title {
  font-weight: var(--font-weight-semibold);
  color: var(--color-neutral-900);
}

.exhibit-row-museum {
  font-size: var(--text-sm);
  color: var(--color-neutral-500);
}

.exhibit-row-actions {
  display: flex;
  gap: var(--spacing-2);
  opacity: 0;
  transition: opacity var(--transition-duration-200) var(--transition-timing-function-ease);
}

.exhibits-table tbody tr:hover .exhibit-row-actions {
  opacity: 1;
}

/* Exhibit Details Page */
.exhibit-details-page {
  padding: var(--spacing-6);
}

.exhibit-gallery {
  display: grid;
  grid-template-columns: repeat(1, 1fr);
  gap: var(--spacing-4);
  margin-bottom: var(--spacing-6);
}

@media (min-width: 768px) {
  .exhibit-gallery {
    grid-template-columns: 2fr 1fr;
  }
}

.exhibit-main-image {
  height: 400px;
  border-radius: var(--radius-xl);
  overflow: hidden;
}

.exhibit-main-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.exhibit-thumbnails {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-4);
}

@media (min-width: 768px) {
  .exhibit-thumbnails {
    grid-template-columns: 1fr;
  }
}

.exhibit-thumbnail {
  height: 120px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  cursor: pointer;
  transition: all var(--transition-duration-200) var(--transition-timing-function-ease);
  border: 2px solid transparent;
}

.exhibit-thumbnail:hover {
  transform: scale(1.05);
}

.exhibit-thumbnail.active {
  border-color: var(--color-primary-500);
}

.exhibit-thumbnail img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.exhibit-content {
  display: grid;
  grid-template-columns: repeat(1, 1fr);
  gap: var(--spacing-6);
}

@media (min-width: 1024px) {
  .exhibit-content {
    grid-template-columns: 2fr 1fr;
  }
}

.exhibit-info {
  background: var(--color-neutral-0);
  border-radius: var(--radius-lg);
  padding: var(--spacing-6);
  box-shadow: var(--shadow-md);
}

.exhibit-info-grid {
  display: grid;
  grid-template-columns: repeat(1, 1fr);
  gap: var(--spacing-4);
}

@media (min-width: 768px) {
  .exhibit-info-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

.info-item {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-2);
}

.info-label {
  font-size: var(--text-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-neutral-500);
}

.info-value {
  font-size: var(--text-base);
  color: var(--color-neutral-900);
}

.info-value.badge {
  width: fit-content;
}

.exhibit-sidebar {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-6);
}

.exhibit-actions {
  background: var(--color-neutral-0);
  border-radius: var(--radius-lg);
  padding: var(--spacing-6);
  box-shadow: var(--shadow-md);
}

.exhibit-actions-title {
  font-size: var(--text-lg);
  font-weight: var(--font-weight-semibold);
  color: var(--color-neutral-900);
  margin-bottom: var(--spacing-4);
}

.exhibit-actions-list {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-3);
}

.exhibit-stats {
  background: var(--color-neutral-0);
  border-radius: var(--radius-lg);
  padding: var(--spacing-6);
  box-shadow: var(--shadow-md);
}

.exhibit-stats-title {
  font-size: var(--text-lg);
  font-weight: var(--font-weight-semibold);
  color: var(--color-neutral-900);
  margin-bottom: var(--spacing-4);
}

.exhibit-stats-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-4);
}

.exhibit-stat {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-1);
  padding: var(--spacing-3);
  background: var(--color-neutral-50);
  border-radius: var(--radius-md);
}

.exhibit-stat-value {
  font-size: var(--text-2xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-neutral-900);
}

.exhibit-stat-label {
  font-size: var(--text-xs);
  color: var(--color-neutral-500);
  text-align: center;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

/* ========== FORM PAGES ========== */
.form-page {
  max-width: 800px;
  margin: 0 auto;
  padding: var(--spacing-6);
}

.form-header {
  margin-bottom: var(--spacing-6);
  text-align: center;
}

.form-header-title {
  font-size: var(--text-3xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-neutral-900);
  margin-bottom: var(--spacing-2);
}

.form-header-subtitle {
  font-size: var(--text-lg);
  color: var(--color-neutral-500);
}

.form-card {
  background: var(--color-neutral-0);
  border-radius: var(--radius-xl);
  padding: var(--spacing-8);
  box-shadow: var(--shadow-lg);
}

.form-section {
  margin-bottom: var(--spacing-6);
  padding-bottom: var(--spacing-6);
  border-bottom: 1px solid var(--color-neutral-200);
}

.form-section:last-child {
  margin-bottom: 0;
  padding-bottom: 0;
  border-bottom: none;
}

.form-section-title {
  font-size: var(--text-xl);
  font-weight: var(--font-weight-semibold);
  color: var(--color-neutral-900);
  margin-bottom: var(--spacing-4);
  display: flex;
  align-items: center;
  gap: var(--spacing-2);
}

.form-section-title::before {
  content: '';
  width: 4px;
  height: 1.5em;
  background: linear-gradient(to bottom, var(--color-primary-500), var(--color-secondary-500));
  border-radius: var(--radius-full);
}

.form-row {
  display: grid;
  grid-template-columns: repeat(1, 1fr);
  gap: var(--spacing-4);
  margin-bottom: var(--spacing-4);
}

@media (min-width: 768px) {
  .form-row {
    grid-template-columns: repeat(2, 1fr);
  }
}

.form-actions {
  display: flex;
  justify-content: flex-end;
  gap: var(--spacing-3);
  margin-top: var(--spacing-8);
  padding-top: var(--spacing-6);
  border-top: 1px solid var(--color-neutral-200);
}

/* File Upload */
.file-upload {
  border: 2px dashed var(--color-neutral-300);
  border-radius: var(--radius-lg);
  padding: var(--spacing-8);
  text-align: center;
  transition: all var(--transition-duration-200) var(--transition-timing-function-ease);
  cursor: pointer;
}

.file-upload:hover {
  border-color: var(--color-primary-500);
  background: var(--color-primary-50);
}

.file-upload-icon {
  font-size: 3rem;
  color: var(--color-neutral-400);
  margin-bottom: var(--spacing-3);
  transition: color var(--transition-duration-200) var(--transition-timing-function-ease);
}

.file-upload:hover .file-upload-icon {
  color: var(--color-primary-500);
}

.file-upload-text {
  font-size: var(--text-lg);
  font-weight: var(--font-weight-medium);
  color: var(--color-neutral-700);
  margin-bottom: var(--spacing-2);
}

.file-upload-hint {
  font-size: var(--text-sm);
  color: var(--color-neutral-500);
}

.file-upload input[type="file"] {
  display: none;
}

/* Image Preview */
.image-preview {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
  gap: var(--spacing-3);
  margin-top: var(--spacing-4);
}

.preview-item {
  position: relative;
  width: 120px;
  height: 120px;
  border-radius: var(--radius-md);
  overflow: hidden;
}

.preview-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.preview-remove {
  position: absolute;
  top: 5px;
  left: 5px;
  width: 24px;
  height: 24px;
  background: var(--color-error);
  color: white;
  border: none;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  opacity: 0;
  transition: opacity var(--transition-duration-200) var(--transition-timing-function-ease);
}

.preview-item:hover .preview-remove {
  opacity: 1;
}

/* ========== LOADING STATES ========== */
.loading-page {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  padding: var(--spacing-6);
  text-align: center;
}

.loading-spinner-large {
  width: 4rem;
  height: 4rem;
  border: 0.5rem solid var(--color-neutral-200);
  border-right-color: var(--color-primary-500);
  border-radius: var(--radius-full);
  animation: spin 1s linear infinite;
  margin-bottom: var(--spacing-4);
}

.loading-text {
  font-size: var(--text-lg);
  color: var(--color-neutral-600);
  margin-bottom: var(--spacing-2);
}

.loading-subtext {
  font-size: var(--text-sm);
  color: var(--color-neutral-500);
}

/* Skeleton Loading */
.skeleton {
  background: linear-gradient(90deg,
    var(--color-neutral-200) 25%,
    var(--color-neutral-300) 50%,
    var(--color-neutral-200) 75%
  );
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
}

.skeleton-text {
  height: 1em;
  border-radius: var(--radius-sm);
  margin-bottom: 0.5em;
}

.skeleton-text:last-child {
  margin-bottom: 0;
  width: 80%;
}

.skeleton-circle {
  width: 3rem;
  height: 3rem;
  border-radius: var(--radius-full);
}

.skeleton-card {
  border-radius: var(--radius-lg);
  padding: var(--spacing-6);
}

.skeleton-card .skeleton-text:first-child {
  width: 60%;
}

.skeleton-card .skeleton-text:nth-child(2) {
  width: 40%;
}

@keyframes shimmer {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

/* ========== EMPTY STATES ========== */
.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-12) var(--spacing-6);
  text-align: center;
}

.empty-state-icon {
  font-size: 4rem;
  color: var(--color-neutral-300);
  margin-bottom: var(--spacing-4);
}

.empty-state-title {
  font-size: var(--text-2xl);
  font-weight: var(--font-weight-semibold);
  color: var(--color-neutral-700);
  margin-bottom: var(--spacing-2);
}

.empty-state-description {
  font-size: var(--text-lg);
  color: var(--color-neutral-500);
  margin-bottom: var(--spacing-6);
  max-width: 400px;
}

/* ========== ERROR STATES ========== */
.error-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-12) var(--spacing-6);
  text-align: center;
}

.error-state-icon {
  font-size: 4rem;
  color: var(--color-error);
  margin-bottom: var(--spacing-4);
}

.error-state-title {
  font-size: var(--text-2xl);
  font-weight: var(--font-weight-semibold);
  color: var(--color-neutral-700);
  margin-bottom: var(--spacing-2);
}

.error-state-description {
  font-size: var(--text-lg);
  color: var(--color-neutral-500);
  margin-bottom: var(--spacing-6);
  max-width: 400px;
}

/* ========== RESPONSIVE ADJUSTMENTS ========== */
@media (max-width: 768px) {
  .dashboard-page,
  .museums-page,
  .exhibits-page,
  .exhibit-details-page,
  .form-page {
    padding: var(--spacing-4);
  }
  
  .page-header {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--spacing-4);
  }
  
  .page-actions {
    width: 100%;
    justify-content: flex-end;
  }
  
  .exhibits-toolbar {
    flex-direction: column;
    gap: var(--spacing-4);
    align-items: stretch;
  }
  
  .exhibits-search {
    width: 100%;
  }
  
  .exhibits-filters {
    flex-wrap: wrap;
  }
  
  .form-card {
    padding: var(--spacing-6);
  }
  
  .form-actions {
    flex-direction: column;
  }
  
  .form-actions .btn {
    width: 100%;
  }
}

@media (max-width: 640px) {
  .dashboard-card,
  .chart-card,
  .recent-activity,
  .museum-card,
  .museum-section,
  .exhibit-info,
  .exhibit-actions,
  .exhibit-stats {
    padding: var(--spacing-4);
  }
  
  .museum-card-stats {
    flex-wrap: wrap;
  }
  
  .exhibits-table {
    display: block;
    overflow-x: auto;
  }
  
  .exhibit-gallery {
    grid-template-columns: 1fr;
  }
  
  .exhibit-thumbnails {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* ========== PRINT STYLES ========== */
@media print {
  .dashboard-page,
  .museums-page,
  .exhibits-page,
  .exhibit-details-page,
  .form-page {
    padding: 0 !important;
  }
  
  .page-header,
  .exhibits-toolbar,
  .form-actions,
  .exhibit-actions {
    display: none !important;
  }
  
  .dashboard-card,
  .chart-card,
  .recent-activity,
  .museum-card,
  .museum-section,
  .exhibit-info,
  .exhibit-stats,
  .form-card {
    box-shadow: none !important;
    border: 1px solid var(--color-neutral-300) !important;
    page-break-inside: avoid;
  }
  
  .exhibits-table {
    border: 1px solid var(--color-neutral-300);
  }
  
  .exhibits-table th,
  .exhibits-table td {
    border: 1px solid var(--color-neutral-300);
  }
  
  .btn {
    display: none !important;
  }
}