/* Component styles */

/* Feed Media Display */
.feed-images {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
  gap: 0.5rem;
  margin-top: 0.5rem;
}

.feed-images img {
  width: 100%;
  height: 150px;
  border-radius: 1rem;
  object-fit: cover;
  cursor: pointer;
  transition: var(--transition);
}

.feed-images img:hover {
  transform: scale(1.02);
  box-shadow: var(--shadow-md);
}

.feed-video {
  width: 100%;
  max-height: 400px;
  border-radius: 1rem;
  margin-top: 0.5rem;
  object-fit: cover;
  background: #000;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-sm) var(--spacing-lg);
  font-size: var(--font-size-base);
  font-weight: 500;
  border-radius: var(--border-radius);
  transition: var(--transition);
  cursor: pointer;
  border: var(--border-width) solid transparent;
  text-decoration: none;
  line-height: 1.5;
}

.btn:focus {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
}

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

.btn-primary:hover {
  background: var(--primary-dark);
  color: white;
  text-decoration: none;
}

.btn-outline {
  background: transparent;
  color: var(--primary);
  border-color: var(--primary);
}

.btn-outline:hover {
  background: rgba(60, 207, 145, 0.12);
  color: var(--primary-dark);
}

.btn-ghost {
  background: transparent;
  border: 1px solid rgba(60, 207, 145, 0.25);
  color: var(--primary-dark);
  padding: var(--spacing-sm) var(--spacing-md);
  transition: all 0.2s ease;
}

.btn-ghost:hover {
  background: rgba(60, 207, 145, 0.08);
  border-color: rgba(60, 207, 145, 0.6);
}

.btn-sm {
  padding: var(--spacing-xs) var(--spacing-md);
  font-size: var(--font-size-sm);
}

.btn-block {
  width: 100%;
}

/* Cards */
.card {
  background: white;
  border: var(--border-width) solid var(--border-color);
  border-radius: var(--border-radius-lg);
  padding: var(--spacing-lg);
  box-shadow: var(--shadow);
}

/* Modals */
.modal {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: var(--z-modal);
  opacity: 0;
  visibility: hidden;
  transition: var(--transition);
  padding: var(--spacing-md);
}

.modal.active {
  opacity: 1;
  visibility: visible;
}

.modal-content {
  background: white;
  border-radius: var(--border-radius-lg);
  padding: var(--spacing-xl);
  max-width: 500px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  position: relative;
  transform: scale(0.9);
  transition: var(--transition);
}

.modal.active .modal-content {
  transform: scale(1);
}

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

.modal-title {
  font-size: var(--font-size-2xl);
  margin: 0;
}

.modal-close {
  background: none;
  border: none;
  font-size: var(--font-size-2xl);
  color: var(--gray-600);
  cursor: pointer;
  padding: var(--spacing-xs);
  line-height: 1;
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--border-radius);
  transition: var(--transition);
}

.modal-close:hover {
  background: var(--gray-100);
  color: var(--gray-900);
}

.modal-close:focus {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
}

/* Forms */
.form-group {
  margin-bottom: var(--spacing-lg);
}

.form-label {
  display: block;
  margin-bottom: var(--spacing-sm);
  font-weight: 500;
  color: var(--gray-900);
}

.form-input,
.form-textarea {
  width: 100%;
  padding: var(--spacing-sm) var(--spacing-md);
  border: var(--border-width) solid var(--border-color);
  border-radius: var(--border-radius);
  font-size: var(--font-size-base);
  transition: var(--transition);
  background: white;
}

.form-input:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(39, 174, 96, 0.1);
}

.form-textarea {
  resize: vertical;
  min-height: 100px;
}

.form-error {
  color: var(--error);
  font-size: var(--font-size-sm);
  margin-top: var(--spacing-xs);
}

.form-hint {
  display: block;
  color: var(--gray-600);
  font-size: var(--font-size-sm);
  margin-top: var(--spacing-xs);
}

.role-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--spacing-md);
}

.role-card {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: var(--spacing-xs);
  text-align: left;
  background: var(--gray-50);
  border: var(--border-width) solid var(--border-color);
  border-radius: var(--border-radius-lg);
  padding: var(--spacing-lg);
  cursor: pointer;
  transition: var(--transition);
  position: relative;
  color: inherit;
}

.role-card:hover {
  border-color: var(--primary);
  box-shadow: var(--shadow-md);
}

.role-card.selected {
  border-color: var(--primary);
  background: rgba(39, 174, 96, 0.1);
  box-shadow: var(--shadow-md);
}

.role-card.selected::after {
  content: '✓';
  position: absolute;
  top: var(--spacing-sm);
  right: var(--spacing-sm);
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--primary);
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
}

.role-icon {
  font-size: 2rem;
}

.role-title {
  font-size: var(--font-size-lg);
  font-weight: 600;
}

.role-desc {
  font-size: var(--font-size-sm);
  color: var(--gray-600);
}

/* Toast notifications */
.toast {
  position: fixed;
  bottom: var(--spacing-xl);
  right: var(--spacing-xl);
  background: var(--gray-900);
  color: white;
  padding: var(--spacing-md) var(--spacing-lg);
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-lg);
  z-index: var(--z-toast);
  opacity: 0;
  transform: translateY(20px);
  transition: var(--transition);
  max-width: 400px;
}

.toast.show {
  opacity: 1;
  transform: translateY(0);
}

.toast-success {
  background: var(--success);
}

.toast-error {
  background: var(--error);
}

.toast-info {
  background: var(--info);
}

/* Avatar */
.avatar-placeholder {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-weight: 600;
  font-size: var(--font-size-lg);
  flex-shrink: 0;
}

.avatar-image {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  object-fit: cover;
  flex-shrink: 0;
  display: block;
  border: 2px solid rgba(255, 255, 255, 0.9);
  background: var(--gray-100);
}

/* Level badges */
.level-badge {
  display: inline-block;
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--border-radius-sm);
  font-size: var(--font-size-xs);
  font-weight: 600;
  text-transform: uppercase;
  color: white;
}

.level-badge.level-beginner {
  background: var(--primary);
}

.level-badge.level-intermediate {
  background: var(--secondary);
}

.level-badge.level-pro {
  background: #9B59B6;
}

.level-badge.level-novice {
  background: var(--gray-500);
}

/* Tags */
.tag {
  display: inline-block;
  padding: var(--spacing-xs) var(--spacing-sm);
  background: var(--gray-200);
  color: var(--gray-700);
  border-radius: var(--border-radius-sm);
  font-size: var(--font-size-sm);
  margin-right: var(--spacing-xs);
  margin-bottom: var(--spacing-xs);
}

.tag:hover {
  background: var(--gray-300);
}

/* Spinner */
.spinner {
  width: 40px;
  height: 40px;
  border: 4px solid var(--gray-200);
  border-top-color: var(--primary);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  margin: var(--spacing-xl) auto;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* Checkbox */
.checkbox-label {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  cursor: pointer;
  font-size: var(--font-size-sm);
}

.checkbox-label input[type="checkbox"] {
  width: 18px;
  height: 18px;
  cursor: pointer;
}

/* Radio buttons */
.option-label {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-sm);
  padding: var(--spacing-md);
  border: var(--border-width) solid var(--border-color);
  border-radius: var(--border-radius);
  margin-bottom: var(--spacing-sm);
  cursor: pointer;
  transition: var(--transition);
}

.option-label:hover {
  background: var(--gray-50);
  border-color: var(--primary);
}

.option-label input[type="radio"] {
  margin-top: 2px;
  cursor: pointer;
}

.option-label input[type="radio"]:checked + .option-text {
  font-weight: 600;
  color: var(--primary);
}

.option-text {
  flex: 1;
}

/* Progress bar */
.progress-bar {
  width: 100%;
  height: 8px;
  background: var(--gray-200);
  border-radius: var(--border-radius);
  overflow: hidden;
  margin-bottom: var(--spacing-sm);
}

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

/* Empty state */
.empty-state {
  text-align: center;
  padding: var(--spacing-2xl);
  color: var(--gray-600);
}

.error-message {
  text-align: center;
  padding: var(--spacing-lg);
  color: var(--error);
  background: rgba(231, 76, 60, 0.1);
  border-radius: var(--border-radius);
}