/* ========================================
   Modern Forms Styling
   Reusable form components for all CRUD operations
   ======================================== */

/* Form Container */
.form-container-modern {
    max-width: 100%;
    margin: 0 auto;
}

/* Form Groups */
.form-group-modern {
    margin-bottom: var(--space-6);
    position: relative;
}

/* Form Labels */
.form-label-modern {
    display: block;
    font-size: var(--text-sm);
    font-weight: var(--font-medium);
    color: var(--text-primary);
    margin-bottom: var(--space-2);
    transition: color var(--transition-fast);
}

.form-label-modern.required::after {
    content: " *";
    color: var(--error);
}

/* Form Controls */
.form-control-modern {
    width: 100%;
    padding: var(--space-3) var(--space-4);
    font-size: var(--text-base);
    font-family: var(--font-family);
    color: var(--text-primary);
    background-color: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    transition: all var(--transition-normal);
    outline: none;
}

.form-control-modern:focus {
    border-color: var(--primary-500);
    box-shadow: 0 0 0 3px var(--primary-100);
    background-color: var(--bg-primary);
}

.form-control-modern:hover:not(:focus) {
    border-color: var(--primary-300);
}

.form-control-modern::placeholder {
    color: var(--text-tertiary);
    opacity: 0.7;
}

/* Textarea */
textarea.form-control-modern {
    resize: vertical;
    min-height: 80px;
}

/* Select Dropdowns */
select.form-control-modern {
    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='%23667eea' d='M6 9L1 4h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right var(--space-3) center;
    padding-right: var(--space-8);
}

/* Validation States */
.form-control-modern.is-valid {
    border-color: var(--success);
    background-color: var(--success-bg);
}

.form-control-modern.is-invalid {
    border-color: var(--error);
    background-color: var(--error-bg);
}

.form-control-modern.is-valid:focus {
    box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.1);
}

.form-control-modern.is-invalid:focus {
    box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.1);
}

/* Validation Feedback */
.invalid-feedback,
.valid-feedback {
    display: block;
    margin-top: var(--space-2);
    font-size: var(--text-sm);
}

.invalid-feedback {
    color: var(--error);
}

.valid-feedback {
    color: var(--success);
}

/* Section Headers */
.section-header-modern {
    color: var(--primary-600);
    font-weight: var(--font-semibold);
    font-size: var(--text-xl);
    border-bottom: 2px solid var(--primary-200);
    padding-bottom: var(--space-3);
    margin-bottom: var(--space-6);
    display: flex;
    align-items: center;
    gap: var(--space-3);
}

.section-header-modern i {
    color: var(--primary-500);
}

/* Card Header for Forms */
.card-header-modern {
    background: var(--gradient-primary);
    padding: var(--space-6);
    border-radius: var(--radius-xl) var(--radius-xl) 0 0;
    color: white;
}

.card-header-modern h1,
.card-header-modern h2,
.card-header-modern h3,
.card-header-modern h4 {
    margin: 0;
    color: white;
    font-weight: var(--font-bold);
}

/* Form Buttons */
.btn-primary-modern {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-6);
    font-size: var(--text-base);
    font-weight: var(--font-medium);
    color: white;
    background: var(--gradient-primary);
    border: none;
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: all var(--transition-normal);
    box-shadow: var(--shadow-md);
}

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

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

.btn-secondary-modern {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-6);
    font-size: var(--text-base);
    font-weight: var(--font-medium);
    color: var(--text-primary);
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: all var(--transition-normal);
}

.btn-secondary-modern:hover {
    background: var(--bg-tertiary);
    border-color: var(--primary-300);
}

.btn-danger-modern {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-6);
    font-size: var(--text-base);
    font-weight: var(--font-medium);
    color: white;
    background: linear-gradient(135deg, var(--error) 0%, #dc2626 100%);
    border: none;
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: all var(--transition-normal);
    box-shadow: var(--shadow-md);
}

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

/* Button Sizes */
.btn-sm {
    padding: var(--space-2) var(--space-4);
    font-size: var(--text-sm);
}

.btn-lg {
    padding: var(--space-4) var(--space-8);
    font-size: var(--text-lg);
}

/* Form Actions */
.form-actions-modern {
    display: flex;
    gap: var(--space-4);
    margin-top: var(--space-8);
    padding-top: var(--space-6);
    border-top: 1px solid var(--border-color);
}

/* Checkbox and Radio */
.form-check-modern {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    margin-bottom: var(--space-3);
}

.form-check-modern input[type="checkbox"],
.form-check-modern input[type="radio"] {
    width: 18px;
    height: 18px;
    cursor: pointer;
    accent-color: var(--primary-500);
}

.form-check-modern label {
    margin: 0;
    cursor: pointer;
    font-size: var(--text-base);
    color: var(--text-primary);
}

/* Input Groups */
.input-group-modern {
    display: flex;
    gap: var(--space-2);
}

.input-group-modern .form-control-modern {
    flex: 1;
}

.input-group-modern .btn-primary-modern,
.input-group-modern .btn-secondary-modern {
    flex-shrink: 0;
}

/* File Upload */
.file-upload-modern {
    position: relative;
    display: inline-block;
    width: 100%;
}

.file-upload-modern input[type="file"] {
    position: absolute;
    opacity: 0;
    width: 100%;
    height: 100%;
    cursor: pointer;
}

.file-upload-label {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-3);
    padding: var(--space-6);
    border: 2px dashed var(--border-color);
    border-radius: var(--radius-lg);
    background: var(--bg-secondary);
    cursor: pointer;
    transition: all var(--transition-normal);
}

.file-upload-label:hover {
    border-color: var(--primary-500);
    background: var(--primary-50);
}

/* Form Grid Layouts */
.form-row-modern {
    display: grid;
    gap: var(--space-6);
    margin-bottom: var(--space-6);
}

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

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

.form-row-modern.cols-4 {
    grid-template-columns: repeat(4, 1fr);
}

/* Responsive */
@media (max-width: 768px) {

    .form-row-modern.cols-2,
    .form-row-modern.cols-3,
    .form-row-modern.cols-4 {
        grid-template-columns: 1fr;
    }

    .form-actions-modern {
        flex-direction: column;
    }

    .form-actions-modern button {
        width: 100%;
    }
}

/* Dark Mode Support */
[data-theme="dark"] .form-control-modern {
    background-color: var(--bg-secondary);
    border-color: var(--border-color);
    color: var(--text-primary);
}

[data-theme="dark"] .form-control-modern:focus {
    background-color: var(--bg-secondary);
    border-color: var(--primary-400);
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.2);
}

[data-theme="dark"] .file-upload-label {
    background: var(--bg-tertiary);
}

[data-theme="dark"] .file-upload-label:hover {
    background: var(--bg-secondary);
}

/* Loading State */
.form-control-modern.loading {
    background-image: linear-gradient(90deg,
            transparent 0%,
            rgba(102, 126, 234, 0.1) 50%,
            transparent 100%);
    background-size: 200% 100%;
    animation: shimmer 1.5s infinite;
}

@keyframes shimmer {
    0% {
        background-position: -200% 0;
    }

    100% {
        background-position: 200% 0;
    }
}