/* Modern Form Components */

/* Floating Label Form Fields */
.form-field-floating {
  position: relative;
  margin-bottom: var(--space-6);
}

.form-field-floating input,
.form-field-floating textarea,
.form-field-floating select {
  width: 100%;
  padding: var(--space-4) var(--space-4) var(--space-3) var(--space-4);
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: var(--radius-md);
  color: var(--text-inverse);
  font-size: var(--font-size-base);
  transition: all var(--transition-base);
  backdrop-filter: blur(5px);
  -webkit-backdrop-filter: blur(5px);
}

.form-field-floating input::placeholder,
.form-field-floating textarea::placeholder {
  color: transparent;
}

.form-field-floating label {
  position: absolute;
  top: var(--space-4);
  left: var(--space-4);
  color: rgba(255, 255, 255, 0.7);
  font-size: var(--font-size-base);
  transition: all var(--transition-base);
  pointer-events: none;
  background: transparent;
  padding: 0;
  transform-origin: left top;
}

.form-field-floating input:focus,
.form-field-floating textarea:focus,
.form-field-floating select:focus {
  outline: none;
  border-color: rgba(255, 255, 255, 0.5);
  background: rgba(255, 255, 255, 0.15);
  box-shadow: 0 0 0 3px rgba(255, 255, 255, 0.1);
}

.form-field-floating input:focus + label,
.form-field-floating textarea:focus + label,
.form-field-floating select:focus + label,
.form-field-floating input:not(:placeholder-shown) + label,
.form-field-floating textarea:not(:placeholder-shown) + label,
.form-field-floating select:not([value=""]) + label {
  top: -0.5rem;
  left: var(--space-3);
  font-size: var(--font-size-xs);
  color: var(--text-inverse);
  background: var(--primary-gradient);
  padding: var(--space-1) var(--space-2);
  border-radius: var(--radius-sm);
  transform: scale(1);
}

/* Enhanced Input States */
.form-field-floating.error input,
.form-field-floating.error textarea,
.form-field-floating.error select {
  border-color: var(--error);
  background: rgba(239, 68, 68, 0.1);
}

.form-field-floating.error label {
  color: var(--error);
}

.form-field-floating.success input,
.form-field-floating.success textarea,
.form-field-floating.success select {
  border-color: var(--success);
  background: rgba(16, 185, 129, 0.1);
}

.form-field-floating.success label {
  color: var(--success);
}

/* Validation Messages */
.form-field-message {
  display: flex;
  align-items: center;
  margin-top: var(--space-1);
  font-size: var(--font-size-sm);
  opacity: 0;
  transform: translateY(-10px);
  transition: all var(--transition-fast);
}

.form-field-floating.error .form-field-message,
.form-field-floating.success .form-field-message {
  opacity: 1;
  transform: translateY(0);
}

.form-field-message.error {
  color: var(--error);
}

.form-field-message.success {
  color: var(--success);
}

.form-field-message.warning {
  color: var(--warning);
}

/* Form Group Layouts */
.form-group-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--space-4);
}

.form-group-inline {
  display: flex;
  gap: var(--space-4);
  align-items: flex-end;
}

/* Enhanced Buttons */
.btn-form {
  width: 100%;
  height: var(--button-height);
  background: var(--secondary-gradient);
  border: none;
  border-radius: var(--radius-md);
  color: var(--text-inverse);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-medium);
  cursor: pointer;
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}

.btn-form::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
  transition: left var(--transition-base);
}

.btn-form:hover::before {
  left: 100%;
}

.btn-form:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

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

.btn-form:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none;
}

.btn-form:disabled:hover {
  transform: none;
  box-shadow: none;
}

.btn-form:disabled::before {
  display: none;
}

/* Loading State */
.btn-form.loading {
  color: transparent;
}

.btn-form.loading::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 20px;
  height: 20px;
  margin: -10px 0 0 -10px;
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-top: 2px solid var(--text-inverse);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

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

/* Checkbox and Radio Enhancements */
.form-check {
  position: relative;
  display: flex;
  align-items: center;
  margin-bottom: var(--space-4);
  cursor: pointer;
}

.form-check input[type="checkbox"],
.form-check input[type="radio"] {
  position: absolute;
  opacity: 0;
  cursor: pointer;
}

.form-check-mark {
  width: 20px;
  height: 20px;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.3);
  border-radius: var(--radius-sm);
  margin-right: var(--space-3);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
}

.form-check input[type="radio"] + .form-check-mark {
  border-radius: 50%;
}

.form-check input:checked + .form-check-mark {
  background: var(--primary-gradient);
  border-color: rgba(255, 255, 255, 0.5);
}

.form-check input:checked + .form-check-mark::after {
  content: '✓';
  color: var(--text-inverse);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-bold);
}

.form-check input[type="radio"]:checked + .form-check-mark::after {
  content: '';
  width: 8px;
  height: 8px;
  background: var(--text-inverse);
  border-radius: 50%;
}

.form-check-label {
  color: rgba(255, 255, 255, 0.9);
  font-size: var(--font-size-sm);
  cursor: pointer;
}

/* File Upload Enhancement */
.form-file-upload {
  position: relative;
  display: block;
  width: 100%;
  padding: var(--space-8);
  background: rgba(255, 255, 255, 0.05);
  border: 2px dashed rgba(255, 255, 255, 0.3);
  border-radius: var(--radius-lg);
  text-align: center;
  cursor: pointer;
  transition: all var(--transition-base);
}

.form-file-upload:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.5);
}

.form-file-upload.dragover {
  background: rgba(79, 172, 254, 0.2);
  border-color: var(--accent-gradient);
}

.form-file-upload input {
  position: absolute;
  left: -9999px;
}

.form-file-upload-icon {
  font-size: var(--font-size-3xl);
  color: rgba(255, 255, 255, 0.6);
  margin-bottom: var(--space-2);
}

.form-file-upload-text {
  color: rgba(255, 255, 255, 0.8);
  font-size: var(--font-size-base);
}

.form-file-upload-subtext {
  color: rgba(255, 255, 255, 0.6);
  font-size: var(--font-size-sm);
  margin-top: var(--space-1);
}

/* Progress Bars */
.form-progress {
  width: 100%;
  height: 6px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-full);
  overflow: hidden;
  margin: var(--space-4) 0;
}

.form-progress-bar {
  height: 100%;
  background: var(--success-gradient);
  border-radius: var(--radius-full);
  transition: width var(--transition-base);
  position: relative;
}

.form-progress-bar::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
  animation: shimmer 2s infinite;
}

/* Form Steps/Wizard */
.form-steps {
  display: flex;
  justify-content: space-between;
  margin-bottom: var(--space-8);
  position: relative;
}

.form-steps::before {
  content: '';
  position: absolute;
  top: 20px;
  left: 40px;
  right: 40px;
  height: 2px;
  background: rgba(255, 255, 255, 0.2);
  z-index: 1;
}

.form-step {
  display: flex;
  flex-direction: column;
  align-items: center;
  position: relative;
  z-index: 2;
}

.form-step-number {
  width: 40px;
  height: 40px;
  background: rgba(255, 255, 255, 0.1);
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255, 255, 255, 0.7);
  font-weight: var(--font-weight-bold);
  margin-bottom: var(--space-2);
  transition: all var(--transition-base);
}

.form-step.active .form-step-number {
  background: var(--primary-gradient);
  border-color: rgba(255, 255, 255, 0.5);
  color: var(--text-inverse);
}

.form-step.completed .form-step-number {
  background: var(--success-gradient);
  border-color: var(--success);
  color: var(--text-inverse);
}

.form-step.completed .form-step-number::after {
  content: '✓';
}

.form-step-label {
  color: rgba(255, 255, 255, 0.7);
  font-size: var(--font-size-sm);
  text-align: center;
}

.form-step.active .form-step-label {
  color: var(--text-inverse);
  font-weight: var(--font-weight-medium);
}

/* Responsive Design */
@media (max-width: 768px) {
  .form-group-row {
    grid-template-columns: 1fr;
    gap: var(--space-3);
  }
  
  .form-group-inline {
    flex-direction: column;
    gap: var(--space-3);
  }
  
  .form-field-floating {
    margin-bottom: var(--space-4);
  }
  
  .form-steps {
    flex-direction: column;
    gap: var(--space-4);
  }
  
  .form-steps::before {
    display: none;
  }
  
  .form-file-upload {
    padding: var(--space-6);
  }
}

/* Dark Theme Adjustments */
[data-theme="dark"] .form-field-floating input,
[data-theme="dark"] .form-field-floating textarea,
[data-theme="dark"] .form-field-floating select {
  background: rgba(255, 255, 255, 0.05);
  border-color: rgba(255, 255, 255, 0.1);
}

[data-theme="dark"] .form-field-floating input:focus,
[data-theme="dark"] .form-field-floating textarea:focus,
[data-theme="dark"] .form-field-floating select:focus {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.3);
}

/* High Contrast Theme */
[data-theme="high-contrast"] .form-field-floating input,
[data-theme="high-contrast"] .form-field-floating textarea,
[data-theme="high-contrast"] .form-field-floating select {
  background: var(--white);
  border: 2px solid var(--text-primary);
  color: var(--text-primary);
}

[data-theme="high-contrast"] .form-field-floating label {
  color: var(--text-primary);
  background: var(--white);
}

/* Print Styles */
@media print {
  .form-field-floating input,
  .form-field-floating textarea,
  .form-field-floating select {
    background: white !important;
    border: 1px solid #000 !important;
    color: #000 !important;
  }
  
  .btn-form {
    background: #ccc !important;
    color: #000 !important;
  }
}