/* Custom Docking Form Styles */
/* Author: HLA-DQ Protein Analysis Platform */

.container {
  max-width: 900px;
  margin: 0 auto;
  padding: 20px;
}

.header-section {
  text-align: center;
  margin-bottom: 30px;
}

.header-section h2 {
  color: #2c3e50;
  margin-bottom: 10px;
  font-weight: 700;
}

.header-section p {
  color: #6c757d;
  font-size: 1.1em;
  margin-bottom: 20px;
}

/* Form Section */
.form-section .card {
  border: none;
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
  border-radius: 15px;
  overflow: hidden;
}

.card-header {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: white;
  border-bottom: none;
  padding: 20px 25px;
}

.card-header h4 {
  margin: 0;
  font-weight: 600;
  font-size: 1.3em;
}

.card-body {
  padding: 30px;
}

/* Form Groups */
.form-group {
  position: relative;
  margin-bottom: 25px;
}

.form-label {
  color: #34495e;
  font-weight: 600;
  margin-bottom: 10px;
  font-size: 1.05em;
}

.form-label strong {
  color: #2c3e50;
}

/* Input Method Selector */
.input-method-selector {
  display: flex;
  gap: 25px;
  padding: 20px;
  background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
  border-radius: 12px;
  border: 1px solid #dee2e6;
}

.form-check {
  display: flex;
  align-items: center;
  gap: 10px;
  cursor: pointer;
  transition: transform 0.2s ease;
}

.form-check:hover {
  transform: translateY(-1px);
}

.form-check-input {
  cursor: pointer;
  transform: scale(1.2);
}

.form-check-input:checked {
  background-color: #667eea;
  border-color: #667eea;
  box-shadow: 0 0 0 0.2rem rgba(102, 126, 234, 0.25);
}

.form-check-label {
  cursor: pointer;
  font-weight: 500;
  color: #495057;
  font-size: 1.05em;
}

/* Form Controls */
.form-control, .form-select {
  border: 2px solid #e9ecef;
  border-radius: 10px;
  transition: all 0.3s ease;
  padding: 12px 15px;
  font-size: 1em;
}

.form-control:focus, .form-select:focus {
  border-color: #667eea;
  box-shadow: 0 0 0 0.2rem rgba(102, 126, 234, 0.25);
  transform: translateY(-1px);
}

.form-control:hover, .form-select:hover {
  border-color: #adb5bd;
}

/* Textarea specific */
textarea.form-control {
  resize: vertical;
  min-height: 120px;
  font-family: 'Courier New', monospace;
  line-height: 1.5;
}

/* Form Text */
.form-text {
  color: #6c757d;
  font-size: 0.9em;
  margin-top: 8px;
  line-height: 1.4;
}

/* Sequence Validation */
.sequence-validation {
  margin-top: 8px;
  font-weight: 500;
  transition: all 0.3s ease;
}

.sequence-validation.text-success {
  color: #28a745 !important;
}

.sequence-validation.text-danger {
  color: #dc3545 !important;
}

/* Docking Parameters Section */
.docking-params {
  background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
  padding: 25px;
  border-radius: 12px;
  border: 1px solid #dee2e6;
  margin-bottom: 25px;
}

.docking-params h5 {
  color: #495057;
  margin-bottom: 15px;
  font-weight: 600;
  font-size: 1.2em;
}

.alert-info {
  background: linear-gradient(135deg, #e7f3ff 0%, #cce7ff 100%);
  border: 1px solid #b8daff;
  color: #0c5460;
  border-radius: 8px;
}

.alert-info ul {
  margin-bottom: 0;
  padding-left: 20px;
}

.alert-info li {
  margin-bottom: 5px;
  line-height: 1.4;
}

/* Submit Button */
.btn-primary {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  border: none;
  padding: 15px 40px;
  font-weight: 600;
  border-radius: 12px;
  font-size: 1.1em;
  transition: all 0.3s ease;
  box-shadow: 0 4px 15px rgba(102, 126, 234, 0.3);
}

.btn-primary:hover {
  transform: translateY(-2px);
  background: linear-gradient(135deg, #5a6fd8 0%, #6a4190 100%);
  box-shadow: 0 6px 20px rgba(102, 126, 234, 0.4);
}

.btn-primary:active {
  transform: translateY(0);
}

.btn-primary:disabled {
  background: #6c757d;
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}

.btn-secondary {
  background: #6c757d;
  border: none;
  border-radius: 8px;
  transition: all 0.3s ease;
}

.btn-secondary:hover {
  background: #5a6268;
  transform: translateY(-1px);
}

/* Progress Modal */
.modal-content {
  border-radius: 15px;
  border: none;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.modal-header {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: white;
  border-radius: 15px 15px 0 0;
  border-bottom: none;
}

.modal-body {
  padding: 30px;
}

.spinner-border {
  width: 3rem;
  height: 3rem;
}

.progress {
  height: 12px;
  border-radius: 6px;
  background-color: #e9ecef;
  overflow: hidden;
}

.progress-bar {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  transition: width 0.3s ease;
}

/* Information Section */
.info-section {
  margin-top: 50px;
}

.info-card {
  background: white;
  padding: 25px;
  border-radius: 12px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
  height: 100%;
  transition: transform 0.3s ease;
}

.info-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.12);
}

.info-card h5 {
  color: #495057;
  margin-bottom: 20px;
  padding-bottom: 12px;
  border-bottom: 3px solid #e9ecef;
  font-weight: 600;
  font-size: 1.2em;
}

.info-card ol, .info-card ul {
  padding-left: 20px;
}

.info-card li {
  margin-bottom: 10px;
  line-height: 1.6;
  color: #495057;
}

.info-card strong {
  color: #2c3e50;
}

/* Cancel Button in Modal */
.btn-outline-secondary {
  border: 2px solid #6c757d;
  color: #6c757d;
  border-radius: 8px;
  transition: all 0.3s ease;
}

.btn-outline-secondary:hover {
  background-color: #6c757d;
  color: white;
  transform: translateY(-1px);
}

/* Loading States */
.loading-state {
  opacity: 0.6;
  pointer-events: none;
}

.form-submitted .form-control,
.form-submitted .form-select,
.form-submitted .btn {
  opacity: 0.7;
}

/* Responsive Design */
@media (max-width: 768px) {
  .container {
    padding: 15px;
  }
  
  .card-body {
    padding: 20px;
  }
  
  .input-method-selector {
    flex-direction: column;
    gap: 15px;
    padding: 15px;
  }
  
  .info-section .row {
    gap: 20px;
  }
  
  .btn-primary {
    padding: 12px 30px;
    font-size: 1em;
  }
  
  .docking-params {
    padding: 20px;
  }
  
  .header-section h2 {
    font-size: 1.8em;
  }
}

@media (max-width: 576px) {
  .form-group {
    margin-bottom: 20px;
  }
  
  .input-method-selector {
    padding: 12px;
  }
  
  .btn-primary {
    width: 100%;
    padding: 15px;
  }
  
  .modal-body {
    padding: 20px;
  }
  
  .info-card {
    padding: 20px;
  }
}

/* Animation for form validation */
@keyframes shake {
  0%, 100% { transform: translateX(0); }
  25% { transform: translateX(-5px); }
  75% { transform: translateX(5px); }
}

.form-control.is-invalid {
  animation: shake 0.5s ease-in-out;
}

/* Success animation */
@keyframes pulse-success {
  0% { transform: scale(1); }
  50% { transform: scale(1.02); }
  100% { transform: scale(1); }
}

.form-control.is-valid {
  animation: pulse-success 0.3s ease-in-out;
  border-color: #28a745;
}

/* Focus states */
.form-control:focus-visible,
.form-select:focus-visible {
  outline: none;
  border-color: #667eea;
  box-shadow: 0 0 0 0.2rem rgba(102, 126, 234, 0.25);
}

/* Accessibility improvements */
.form-check-input:focus {
  box-shadow: 0 0 0 0.2rem rgba(102, 126, 234, 0.25);
}

.btn:focus {
  box-shadow: 0 0 0 0.2rem rgba(102, 126, 234, 0.25);
}

/* High contrast mode support */
@media (prefers-contrast: high) {
  .form-control, .form-select {
    border-width: 3px;
  }
  
  .btn-primary {
    border: 2px solid #000;
  }
  
  .card {
    border: 2px solid #000;
  }
}

/* Reduced motion support */
@media (prefers-reduced-motion: reduce) {
  .form-control,
  .form-select,
  .btn-primary,
  .info-card,
  .form-check {
    transition: none;
  }
  
  .progress-bar {
    transition: none;
  }
  
  @keyframes shake,
  @keyframes pulse-success {
    animation: none;
  }
}

/* Print styles */
@media print {
  .btn,
  .modal,
  .progress,
  .spinner-border {
    display: none !important;
  }
  
  .form-control,
  .form-select {
    border: 1px solid #000 !important;
    background: white !important;
  }
  
  .card {
    box-shadow: none !important;
    border: 1px solid #000 !important;
  }
}

.steps-container .step-item {
  display: flex;
  align-items: flex-start;
}

.step-number {
  background: #007bff;
  color: white;
  width: 30px;
  height: 30px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: bold;
  margin-right: 15px;
  flex-shrink: 0;
}

.step-content {
  flex: 1;
}

.step-content h6 {
  margin-bottom: 5px;
  color: #333;
}

.step-content p {
  margin: 0;
  color: #666;
}

.alert-info h4 {
  color: #0c5460;
}

.alert-warning {
  border-left: 4px solid #ffc107;
}

.alert-info {
  border-left: 4px solid #17a2b8;
}