/* Asset Management System Styles */
:root {
  --primary-color: #3b82f6;
  --primary-hover: #2563eb;
  --secondary-color: #6b7280;
  --danger-color: #ef4444;
  --success-color: #10b981;
  --warning-color: #f59e0b;
  --border-color: #e5e7eb;
  --background-color: #f9fafb;
  --surface-color: #ffffff;
  --text-primary: #1f2937;
  --text-secondary: #6b7280;
  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1);
  --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1);
  --border-radius: 8px;
  --transition: all 0.3s ease;
}

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

body {
  font-family:
    -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background-color: var(--background-color);
  color: var(--text-primary);
  line-height: 1.6;
}

/* Loading Overlay */
.loading-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(5px);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  z-index: 9999;
  transition: var(--transition);
}

.loading-spinner {
  width: 50px;
  height: 50px;
  border: 4px solid var(--border-color);
  border-left: 4px solid var(--primary-color);
  border-radius: 50%;
  animation: spin 1s linear infinite;
  margin-bottom: 16px;
}

@keyframes spin {
  0% {
    transform: rotate(0deg);
  }
  100% {
    transform: rotate(360deg);
  }
}

.hidden {
  display: none !important;
}

/* Header */
.header {
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border-color);
  position: fixed;
  top: 0;
  width: 100%;
  z-index: 1000;
  transition: var(--transition);
}

.header-container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 20px;
}

.header-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 0;
}

.logo-section {
  display: flex;
  flex-direction: column;
}

.logo-text {
  color: var(--primary-color);
  font-size: 28px;
  font-weight: 700;
  line-height: 1;
}

.logo-subtitle {
  color: var(--text-secondary);
  font-size: 12px;
  font-weight: 500;
  margin-top: 4px;
}

.nav-section {
  display: flex;
  align-items: center;
  gap: 24px;
}

.nav-button {
  background: var(--surface-color);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  padding: 8px 16px;
  border-radius: var(--border-radius);
  text-decoration: none;
  font-weight: 500;
  transition: var(--transition);
  cursor: pointer;
}

.nav-button:hover {
  background: var(--background-color);
  transform: translateY(-1px);
}

.user-section {
  display: flex;
  align-items: center;
  gap: 12px;
}

.user-role {
  background: var(--primary-color);
  color: white;
  padding: 4px 8px;
  border-radius: 4px;
  font-size: 12px;
  font-weight: 600;
}

.user-name {
  color: var(--text-secondary);
  font-weight: 500;
}

/* Main Content */
.main-content {
  padding-top: 90px;
  min-height: 100vh;
}

.container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 40px 20px;
}

/* Page Header */
.page-header {
  text-align: center;
  margin-bottom: 40px;
}

.page-title {
  font-size: 48px;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 16px;
  letter-spacing: -0.02em;
}

.page-description {
  font-size: 18px;
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto;
  line-height: 1.6;
}

/* Action Toolbar */
.action-toolbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 24px;
  padding: 20px;
  background: var(--surface-color);
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-sm);
}

.toolbar-left {
  display: flex;
  gap: 12px;
}

.primary-button {
  background: var(--primary-color);
  color: white;
  border: none;
  padding: 12px 24px;
  border-radius: var(--border-radius);
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  display: flex;
  align-items: center;
  gap: 8px;
}

.primary-button:hover {
  background: var(--primary-hover);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.primary-button:disabled {
  background: var(--secondary-color);
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}

.secondary-button {
  background: var(--surface-color);
  color: var(--text-primary);
  border: 1px solid var(--border-color);
  padding: 12px 20px;
  border-radius: var(--border-radius);
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition);
  display: flex;
  align-items: center;
  gap: 8px;
}

.secondary-button:hover {
  background: var(--background-color);
  transform: translateY(-1px);
}

.danger-button {
  background: var(--danger-color);
  color: white;
  border: none;
  padding: 12px 20px;
  border-radius: var(--border-radius);
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
}

.danger-button:hover {
  background: #dc2626;
  transform: translateY(-1px);
}

.view-toggle {
  display: flex;
  background: var(--background-color);
  border-radius: var(--border-radius);
  overflow: hidden;
}

.view-btn {
  background: transparent;
  border: none;
  padding: 10px 12px;
  cursor: pointer;
  transition: var(--transition);
  color: var(--text-secondary);
}

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

.view-btn:hover:not(.active) {
  background: var(--surface-color);
}

/* Filter Section */
.filter-section {
  background: var(--surface-color);
  padding: 24px;
  border-radius: var(--border-radius);
  margin-bottom: 24px;
  box-shadow: var(--shadow-sm);
}

.search-container {
  position: relative;
  margin-bottom: 20px;
}

.search-input {
  width: 100%;
  padding: 12px 48px 12px 16px;
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  font-size: 16px;
  transition: var(--transition);
}

.search-input:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgb(59 130 246 / 0.1);
}

.search-button {
  position: absolute;
  right: 12px;
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: none;
  font-size: 18px;
  cursor: pointer;
  padding: 4px;
}

.filter-controls {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 16px;
}

.filter-select {
  padding: 10px 16px;
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  background: var(--surface-color);
  font-size: 14px;
  transition: var(--transition);
}

.filter-select:focus {
  outline: none;
  border-color: var(--primary-color);
}

/* Stats Summary */
.stats-summary {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 20px;
  margin-bottom: 32px;
}

.stat-item {
  background: var(--surface-color);
  padding: 24px;
  border-radius: var(--border-radius);
  text-align: center;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}

.stat-item:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.stat-number {
  display: block;
  font-size: 32px;
  font-weight: 700;
  color: var(--primary-color);
  margin-bottom: 8px;
}

.stat-label {
  color: var(--text-secondary);
  font-size: 14px;
  font-weight: 500;
}

/* Asset Grid */
.asset-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 24px;
  margin-bottom: 40px;
}

.asset-card {
  background: var(--surface-color);
  border-radius: var(--border-radius);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  cursor: pointer;
  border: 2px solid transparent;
}

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

.asset-card.selected {
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgb(59 130 246 / 0.1);
}

.asset-thumbnail {
  position: relative;
  width: 100%;
  height: 200px;
  overflow: hidden;
  background: var(--background-color);
}

.asset-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: var(--transition);
}

.asset-card:hover .asset-image {
  transform: scale(1.05);
}

.asset-overlay {
  position: absolute;
  top: 8px;
  right: 8px;
  display: flex;
  gap: 8px;
}

.designation-badge {
  background: rgba(0, 0, 0, 0.7);
  color: white;
  padding: 4px 8px;
  border-radius: 4px;
  font-size: 12px;
  font-weight: 600;
}

.designation-badge.logo {
  background: var(--primary-color);
}

.designation-badge.background {
  background: var(--success-color);
}

.selection-checkbox {
  position: absolute;
  top: 8px;
  left: 8px;
  width: 20px;
  height: 20px;
  opacity: 0;
  transition: var(--transition);
}

.asset-card:hover .selection-checkbox,
.asset-card.selected .selection-checkbox {
  opacity: 1;
}

.asset-info {
  padding: 16px;
}

.asset-name {
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 8px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.asset-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 12px;
  color: var(--text-secondary);
  margin-bottom: 8px;
}

.asset-category {
  background: var(--background-color);
  padding: 2px 6px;
  border-radius: 4px;
  font-weight: 500;
}

.asset-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
}

.asset-tag {
  background: var(--primary-color);
  color: white;
  padding: 2px 6px;
  border-radius: 4px;
  font-size: 10px;
  font-weight: 500;
}

/* Empty State */
.empty-state {
  text-align: center;
  padding: 80px 20px;
  color: var(--text-secondary);
}

.empty-icon {
  font-size: 64px;
  margin-bottom: 24px;
  opacity: 0.5;
}

.empty-state h3 {
  font-size: 24px;
  margin-bottom: 12px;
  color: var(--text-primary);
}

.empty-state p {
  font-size: 16px;
  margin-bottom: 32px;
  max-width: 400px;
  margin-left: auto;
  margin-right: auto;
}

/* Pagination */
.pagination {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 20px;
  margin-top: 40px;
}

.pagination-btn {
  background: var(--surface-color);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  padding: 10px 20px;
  border-radius: var(--border-radius);
  cursor: pointer;
  transition: var(--transition);
}

.pagination-btn:hover:not(:disabled) {
  background: var(--background-color);
}

.pagination-btn:disabled {
  color: var(--text-secondary);
  cursor: not-allowed;
}

.page-info {
  color: var(--text-secondary);
  font-weight: 500;
}

/* Modal Styles */
.modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(5px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 10000;
  padding: 20px;
}

.modal-content {
  background: var(--surface-color);
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-lg);
  width: 100%;
  max-width: 800px;
  max-height: 90vh;
  overflow-y: auto;
  animation: modalSlideIn 0.3s ease;
}

@keyframes modalSlideIn {
  from {
    opacity: 0;
    transform: translateY(-20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 24px;
  border-bottom: 1px solid var(--border-color);
}

.modal-header h2 {
  font-size: 24px;
  font-weight: 700;
  color: var(--text-primary);
}

.close-button {
  background: none;
  border: none;
  font-size: 24px;
  cursor: pointer;
  color: var(--text-secondary);
  padding: 4px;
  transition: var(--transition);
}

.close-button:hover {
  color: var(--text-primary);
}

.modal-body {
  padding: 24px;
}

.modal-footer {
  display: flex;
  justify-content: flex-end;
  gap: 12px;
  padding: 20px 24px;
  border-top: 1px solid var(--border-color);
}

/* Upload Modal */
.upload-modal {
  max-width: 600px;
}

.upload-area {
  border: 2px dashed var(--border-color);
  border-radius: var(--border-radius);
  padding: 40px;
  text-align: center;
  transition: var(--transition);
  cursor: pointer;
  position: relative;
  overflow: hidden;
}

.upload-area:hover,
.upload-area.dragover {
  border-color: var(--primary-color);
  background: rgb(59 130 246 / 0.05);
}

.upload-content {
  position: relative;
  z-index: 1;
}

.upload-icon {
  font-size: 48px;
  margin-bottom: 16px;
  opacity: 0.5;
}

.upload-area h3 {
  font-size: 20px;
  margin-bottom: 8px;
  color: var(--text-primary);
}

.upload-link {
  color: var(--primary-color);
  cursor: pointer;
  text-decoration: underline;
}

.file-input {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  cursor: pointer;
}

.upload-info {
  margin-top: 16px;
  color: var(--text-secondary);
}

.upload-progress {
  margin: 24px 0;
}

.progress-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.progress-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px;
  background: var(--background-color);
  border-radius: var(--border-radius);
}

.progress-filename {
  flex: 1;
  font-weight: 500;
}

.progress-bar {
  flex: 2;
  height: 6px;
  background: var(--border-color);
  border-radius: 3px;
  overflow: hidden;
}

.progress-fill {
  height: 100%;
  background: var(--primary-color);
  transition: width 0.3s ease;
}

.progress-status {
  font-size: 12px;
  color: var(--text-secondary);
}

.category-selection {
  margin: 24px 0;
}

.category-selection label {
  display: block;
  margin-bottom: 8px;
  font-weight: 500;
  color: var(--text-primary);
}

.category-select {
  width: 100%;
  padding: 10px 16px;
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  background: var(--surface-color);
  font-size: 14px;
}

.upload-options {
  margin: 24px 0;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.checkbox-label {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  color: var(--text-primary);
  cursor: pointer;
}

.checkbox-label input[type="checkbox"] {
  margin: 0;
}

/* Preview Modal */
.preview-modal {
  max-width: 1000px;
}

.preview-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
}

.preview-image-container {
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--background-color);
  border-radius: var(--border-radius);
  padding: 20px;
  min-height: 400px;
}

.preview-image {
  max-width: 100%;
  max-height: 400px;
  object-fit: contain;
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-md);
}

.preview-details {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.detail-section h4 {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 16px;
  color: var(--text-primary);
}

.detail-grid {
  display: grid;
  gap: 12px;
}

.detail-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 8px 0;
  border-bottom: 1px solid var(--border-color);
}

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

.detail-item label {
  font-weight: 500;
  color: var(--text-secondary);
}

.detail-item span {
  color: var(--text-primary);
  font-weight: 500;
}

.designation-controls {
  display: flex;
  gap: 12px;
  align-items: center;
}

.designation-select {
  flex: 1;
  padding: 8px 12px;
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  background: var(--surface-color);
}

.tags-container {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.tags-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.tag-item {
  background: var(--primary-color);
  color: white;
  padding: 4px 8px;
  border-radius: 4px;
  font-size: 12px;
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: 4px;
}

.tag-remove {
  background: none;
  border: none;
  color: white;
  cursor: pointer;
  font-size: 14px;
  padding: 0;
  width: 16px;
  height: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  transition: var(--transition);
}

.tag-remove:hover {
  background: rgba(255, 255, 255, 0.2);
}

.tag-input {
  padding: 8px 12px;
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  font-size: 14px;
}

/* Category Modal */
.category-modal {
  max-width: 500px;
}

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

.form-group label {
  display: block;
  margin-bottom: 8px;
  font-weight: 500;
  color: var(--text-primary);
}

.form-input,
.form-textarea {
  width: 100%;
  padding: 10px 16px;
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  font-size: 14px;
  transition: var(--transition);
}

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

.form-input:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgb(59 130 246 / 0.1);
}

.color-input {
  width: 60px;
  height: 40px;
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  cursor: pointer;
}

/* Responsive Design */
@media (max-width: 768px) {
  .container {
    padding: 20px 16px;
  }

  .page-title {
    font-size: 36px;
  }

  .action-toolbar {
    flex-direction: column;
    gap: 16px;
    align-items: stretch;
  }

  .toolbar-left {
    flex-wrap: wrap;
  }

  .filter-controls {
    grid-template-columns: 1fr;
  }

  .asset-grid {
    grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    gap: 16px;
  }

  .preview-content {
    grid-template-columns: 1fr;
  }

  .stats-summary {
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  }

  .modal-content {
    margin: 10px;
    max-height: calc(100vh - 20px);
  }

  .header-content {
    flex-direction: column;
    gap: 16px;
    text-align: center;
  }

  .nav-section {
    flex-direction: column;
    gap: 12px;
  }
}

@media (max-width: 480px) {
  .page-title {
    font-size: 28px;
  }

  .asset-grid {
    grid-template-columns: 1fr;
  }

  .toolbar-left {
    flex-direction: column;
  }
}

/* Animation Utilities */
@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.fade-in {
  animation: fadeIn 0.3s ease;
}

/* Upload drag and drop states */
.upload-area.dragover {
  border-color: var(--primary-color);
  background: rgb(59 130 246 / 0.05);
}

.upload-area.dragover .upload-icon {
  animation: bounce 0.6s ease infinite alternate;
}

@keyframes bounce {
  from {
    transform: translateY(0);
  }
  to {
    transform: translateY(-10px);
  }
}

/* Loading states for asset cards */
.asset-card.loading {
  opacity: 0.5;
  pointer-events: none;
}

.asset-card.loading .asset-image {
  background: linear-gradient(
    90deg,
    var(--background-color) 25%,
    var(--border-color) 50%,
    var(--background-color) 75%
  );
  background-size: 200% 100%;
  animation: shimmer 2s infinite;
}

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

/* Success and error states */
.upload-success {
  color: var(--success-color);
}

.upload-error {
  color: var(--danger-color);
}

.notification {
  position: fixed;
  top: 100px;
  right: 20px;
  background: var(--surface-color);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  padding: 16px 20px;
  box-shadow: var(--shadow-lg);
  z-index: 10001;
  animation: slideInRight 0.3s ease;
}

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

.notification.success {
  border-left: 4px solid var(--success-color);
}

.notification.error {
  border-left: 4px solid var(--danger-color);
}

.notification.warning {
  border-left: 4px solid var(--warning-color);
}