/* Comments and Registration System Styles */

/* Comments Section */
.comments-section {
  margin-top: 50px;
  padding-top: 30px;
  border-top: 2px solid #f0f0f0;
}

.comments-section h2 {
  margin-bottom: 30px;
  color: #333;
}

/* Add Comment Form */
.add-comment-form {
  background: #f8f9fa;
  padding: 25px;
  border-radius: 10px;
  margin-bottom: 30px;
}

.add-comment-form h3 {
  margin: 0 0 20px 0;
  color: #333;
  font-size: 18px;
}

.add-comment-form .form-group {
  margin-bottom: 15px;
}

.add-comment-form input,
.add-comment-form textarea {
  width: 100%;
  padding: 12px;
  border: 2px solid #ddd;
  border-radius: 5px;
  font-size: 16px;
  font-family: inherit;
  transition: border-color 0.3s;
}

.add-comment-form input:focus,
.add-comment-form textarea:focus {
  outline: none;
  border-color: #667eea;
}

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

/* Comments List */
.comments-list {
  margin-top: 30px;
}

.no-comments {
  text-align: center;
  padding: 40px 20px;
  color: #999;
  font-style: italic;
}

.comment-item {
  background: white;
  padding: 20px;
  border-radius: 8px;
  margin-bottom: 15px;
  border: 1px solid #e0e0e0;
  transition: all 0.3s;
}

.comment-item:hover {
  box-shadow: 0 3px 10px rgba(0,0,0,0.05);
  transform: translateY(-2px);
}

.comment-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 10px;
  padding-bottom: 10px;
  border-bottom: 1px solid #f0f0f0;
}

.comment-author {
  color: #667eea;
  font-size: 16px;
}

.comment-date {
  color: #999;
  font-size: 13px;
}

.comment-body {
  color: #555;
  line-height: 1.6;
}

/* Registration Button */
.btn-register {
  padding: 10px 20px;
  background: #28a745;
  color: white;
  border: none;
  border-radius: 5px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s;
  margin-top: 10px;
}

.btn-register:hover:not(:disabled) {
  background: #218838;
  transform: translateY(-2px);
  box-shadow: 0 5px 15px rgba(40, 167, 69, 0.3);
}

.btn-register:disabled {
  background: #6c757d;
  cursor: not-allowed;
  opacity: 0.6;
}

/* Registration Modal */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0,0,0,0.6);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9999;
  animation: fadeIn 0.3s;
}

.modal-dialog {
  background: white;
  border-radius: 10px;
  max-width: 500px;
  width: 90%;
  max-height: 90vh;
  overflow-y: auto;
  animation: slideUp 0.3s;
}

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

@keyframes slideUp {
  from {
    transform: translateY(50px);
    opacity: 0;
  }
  to {
    transform: translateY(0);
    opacity: 1;
  }
}

.modal-header {
  padding: 20px 25px;
  border-bottom: 1px solid #e0e0e0;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.modal-header h2 {
  margin: 0;
  font-size: 20px;
  color: #333;
}

.modal-close {
  background: none;
  border: none;
  font-size: 28px;
  color: #999;
  cursor: pointer;
  padding: 0;
  width: 30px;
  height: 30px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: color 0.3s;
}

.modal-close:hover {
  color: #333;
}

.modal-body {
  padding: 25px;
}

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

.modal-body label {
  display: block;
  margin-bottom: 5px;
  color: #333;
  font-weight: 600;
  font-size: 14px;
}

.modal-body input,
.modal-body textarea {
  width: 100%;
  padding: 12px;
  border: 2px solid #ddd;
  border-radius: 5px;
  font-size: 16px;
  font-family: inherit;
  transition: border-color 0.3s;
}

.modal-body input:focus,
.modal-body textarea:focus {
  outline: none;
  border-color: #667eea;
}

.modal-body textarea {
  resize: vertical;
}

.modal-actions {
  display: flex;
  gap: 10px;
  margin-top: 25px;
}

.modal-actions button {
  flex: 1;
  padding: 12px;
  border: none;
  border-radius: 5px;
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s;
}

.btn-primary {
  background: #667eea;
  color: white;
}

.btn-primary:hover {
  background: #5568d3;
  transform: translateY(-2px);
  box-shadow: 0 5px 15px rgba(102, 126, 234, 0.3);
}

.btn-secondary {
  background: #6c757d;
  color: white;
}

.btn-secondary:hover {
  background: #5a6268;
}

/* Toast Messages */
.toast-message {
  position: fixed;
  bottom: -100px;
  left: 50%;
  transform: translateX(-50%);
  background: #333;
  color: white;
  padding: 15px 25px;
  border-radius: 5px;
  box-shadow: 0 5px 20px rgba(0,0,0,0.3);
  z-index: 10000;
  transition: bottom 0.3s;
  max-width: 90%;
  text-align: center;
}

.toast-message.show {
  bottom: 30px;
}

.toast-success {
  background: #28a745;
}

.toast-error {
  background: #dc3545;
}

.toast-info {
  background: #17a2b8;
}

/* Loading State */
.loading {
  text-align: center;
  padding: 40px 20px;
  color: #999;
}

/* Responsive */
@media (max-width: 768px) {
  .comments-section {
    margin-top: 30px;
    padding-top: 20px;
  }
  
  .add-comment-form {
    padding: 20px;
  }
  
  .comment-item {
    padding: 15px;
  }
  
  .comment-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 5px;
  }
  
  .modal-dialog {
    width: 95%;
  }
  
  .modal-header,
  .modal-body {
    padding: 15px 20px;
  }
  
  .modal-actions {
    flex-direction: column;
  }
}