/**
 * Form Styles
 * Nexus Pro - Frontend Form Rendering
 */

/* Form Container */
.nexus-form {
    max-width: 800px;
    margin: 0 auto;
    background: #ffffff;
    border: 1px solid var(--nexus-border-color, #e9ecef);
    border-radius: 8px;
    padding: 30px;
}

.nexus-form.style-minimal {
    border: none;
    padding: 0;
    background: transparent;
}

.nexus-form.style-bordered {
    border: 2px solid var(--nexus-primary-color, #007bff);
    box-shadow: 0 4px 12px rgba(0,123,255,0.1);
}

/* Form Title */
.nexus-form .form-title {
    font-size: 1.75rem;
    font-weight: 700;
    margin-bottom: 10px;
    color: var(--nexus-text-color, #212529);
}

.nexus-form .form-description {
    color: var(--nexus-text-muted, #6c757d);
    margin-bottom: 30px;
    line-height: 1.6;
}

/* Form Fields */
.form-field {
    margin-bottom: 25px;
}

.form-field label {
    display: block;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--nexus-text-color, #212529);
    font-size: 0.9375rem;
}

.form-field label .required {
    color: var(--nexus-danger-color, #dc3545);
    margin-left: 3px;
}

.form-field .field-description {
    font-size: 0.8125rem;
    color: var(--nexus-text-muted, #6c757d);
    margin-top: 5px;
    font-style: italic;
}

/* Input Fields */
.form-field input[type="text"],
.form-field input[type="email"],
.form-field input[type="tel"],
.form-field input[type="url"],
.form-field input[type="number"],
.form-field input[type="date"],
.form-field textarea,
.form-field select {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid var(--nexus-border-color, #dee2e6);
    border-radius: 4px;
    font-size: 1rem;
    font-family: inherit;
    transition: all 0.2s ease;
    background: #ffffff;
}

.form-field input[type="text"]:focus,
.form-field input[type="email"]:focus,
.form-field input[type="tel"]:focus,
.form-field input[type="url"]:focus,
.form-field input[type="number"]:focus,
.form-field input[type="date"]:focus,
.form-field textarea:focus,
.form-field select:focus {
    outline: none;
    border-color: var(--nexus-primary-color, #007bff);
    box-shadow: 0 0 0 3px rgba(0,123,255,0.1);
}

.form-field input[type="text"]::placeholder,
.form-field input[type="email"]::placeholder,
.form-field input[type="tel"]::placeholder,
.form-field input[type="url"]::placeholder,
.form-field textarea::placeholder {
    color: var(--nexus-text-muted, #6c757d);
    opacity: 0.6;
}

/* Textarea */
.form-field textarea {
    resize: vertical;
    min-height: 120px;
}

/* Select */
.form-field select {
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23333' d='M6 9L1 4h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 15px center;
    padding-right: 40px;
}

/* Radio and Checkbox */
.form-field .radio-group,
.form-field .checkbox-group {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.form-field .radio-option,
.form-field .checkbox-option {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 15px;
    border: 1px solid var(--nexus-border-color, #dee2e6);
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.2s ease;
}

.form-field .radio-option:hover,
.form-field .checkbox-option:hover {
    background: var(--nexus-bg-light, #f8f9fa);
    border-color: var(--nexus-primary-color, #007bff);
}

.form-field .radio-option input,
.form-field .checkbox-option input {
    width: 20px;
    height: 20px;
    cursor: pointer;
    accent-color: var(--nexus-primary-color, #007bff);
}

.form-field .radio-option label,
.form-field .checkbox-option label {
    margin: 0;
    font-weight: 400;
    cursor: pointer;
    flex: 1;
}

/* File Upload */
.form-field input[type="file"] {
    width: 100%;
    padding: 12px 15px;
    border: 2px dashed var(--nexus-border-color, #dee2e6);
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.2s ease;
    background: var(--nexus-bg-light, #f8f9fa);
}

.form-field input[type="file"]:hover {
    border-color: var(--nexus-primary-color, #007bff);
    background: rgba(0,123,255,0.05);
}

.file-upload-wrapper {
    position: relative;
}

.file-upload-wrapper .file-info {
    font-size: 0.8125rem;
    color: var(--nexus-text-muted, #6c757d);
    margin-top: 8px;
}

/* Error States */
.form-field.has-error input,
.form-field.has-error textarea,
.form-field.has-error select {
    border-color: var(--nexus-danger-color, #dc3545);
}

.form-field.has-error .field-error {
    display: block;
    color: var(--nexus-danger-color, #dc3545);
    font-size: 0.8125rem;
    margin-top: 5px;
}

.field-error {
    display: none;
}

/* Success State */
.form-field.has-success input,
.form-field.has-success textarea,
.form-field.has-success select {
    border-color: var(--nexus-success-color, #28a745);
}

/* Form Actions */
.form-actions {
    display: flex;
    gap: 15px;
    margin-top: 30px;
    padding-top: 25px;
    border-top: 1px solid var(--nexus-border-color, #e9ecef);
}

.form-actions button[type="submit"] {
    padding: 12px 30px;
    background: var(--nexus-primary-color, #007bff);
    color: #ffffff;
    border: none;
    border-radius: 4px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
}

.form-actions button[type="submit"]:hover {
    background: var(--nexus-primary-hover, #0056b3);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(0,123,255,0.2);
}

.form-actions button[type="submit"]:disabled {
    background: var(--nexus-text-muted, #6c757d);
    cursor: not-allowed;
    transform: none;
}

.form-actions button[type="reset"] {
    padding: 12px 30px;
    background: transparent;
    color: var(--nexus-text-muted, #6c757d);
    border: 1px solid var(--nexus-border-color, #dee2e6);
    border-radius: 4px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
}

.form-actions button[type="reset"]:hover {
    background: var(--nexus-bg-light, #f8f9fa);
    border-color: var(--nexus-text-muted, #6c757d);
}

/* Form Messages */
.form-message {
    padding: 15px 20px;
    border-radius: 4px;
    margin-bottom: 25px;
    font-size: 0.9375rem;
}

.form-message.success {
    background: rgba(40, 167, 69, 0.1);
    border: 1px solid var(--nexus-success-color, #28a745);
    color: var(--nexus-success-color, #28a745);
}

.form-message.error {
    background: rgba(220, 53, 69, 0.1);
    border: 1px solid var(--nexus-danger-color, #dc3545);
    color: var(--nexus-danger-color, #dc3545);
}

.form-message.info {
    background: rgba(0, 123, 255, 0.1);
    border: 1px solid var(--nexus-primary-color, #007bff);
    color: var(--nexus-primary-color, #007bff);
}

/* Loading Spinner */
.form-loading {
    position: relative;
    pointer-events: none;
    opacity: 0.6;
}

.form-loading::after {
    content: "";
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 30px;
    height: 30px;
    border: 3px solid var(--nexus-border-color, #dee2e6);
    border-top-color: var(--nexus-primary-color, #007bff);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

/* Multi-Column Layout */
.form-row {
    display: grid;
    gap: 20px;
    margin-bottom: 25px;
}

.form-row.columns-2 {
    grid-template-columns: repeat(2, 1fr);
}

.form-row.columns-3 {
    grid-template-columns: repeat(3, 1fr);
}

.form-row .form-field {
    margin-bottom: 0;
}

/* GDPR Consent */
.form-consent {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    padding: 15px;
    background: var(--nexus-bg-light, #f8f9fa);
    border-radius: 4px;
    margin-bottom: 25px;
}

.form-consent input[type="checkbox"] {
    width: 20px;
    height: 20px;
    margin-top: 2px;
    cursor: pointer;
    accent-color: var(--nexus-primary-color, #007bff);
}

.form-consent label {
    flex: 1;
    font-size: 0.875rem;
    color: var(--nexus-text-color, #212529);
    cursor: pointer;
}

.form-consent label a {
    color: var(--nexus-primary-color, #007bff);
    text-decoration: none;
}

.form-consent label a:hover {
    text-decoration: underline;
}

/* Responsive Design */
@media (max-width: 768px) {
    .nexus-form {
        padding: 20px;
    }
    
    .form-row.columns-2,
    .form-row.columns-3 {
        grid-template-columns: 1fr;
    }
    
    .form-actions {
        flex-direction: column;
    }
    
    .form-actions button {
        width: 100%;
    }
}

@media (max-width: 480px) {
    .nexus-form {
        padding: 15px;
        border-radius: 4px;
    }
    
    .nexus-form .form-title {
        font-size: 1.5rem;
    }
    
    .form-field input,
    .form-field textarea,
    .form-field select {
        font-size: 16px; /* Prevents zoom on iOS */
    }
}