/**
 * ============================================================================
 * FORMS COMPONENT
 * ============================================================================
 * 
 * Form controls and input styling
 */

/* === FORM CONTAINERS === */
.search-controls {
    background: var(--bg-card);
    padding: var(--spacing-xl);
    border-radius: var(--radius-xl);
    margin-bottom: var(--spacing-xl);
    box-shadow: var(--shadow-md);
    border: 1px solid var(--border-color);
}

/* === FORM CONTROLS === */
.form-control,
.form-select {
    background: var(--bg-input);
    border: 2px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    color: var(--text-primary);
    font-size: var(--font-size-base);
    transition: all var(--transition-fast);
}

.form-control:focus,
.form-select:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.2rem rgba(102, 126, 234, 0.25);
    outline: none;
    background: var(--bg-primary);
}

.form-control::placeholder {
    color: var(--text-muted);
}

/* === FORM LABELS === */
.form-label {
    font-weight: var(--font-weight-medium);
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

/* === FORM TEXT === */
.form-text {
    font-size: var(--font-size-sm);
    color: var(--text-muted);
    margin-top: var(--spacing-xs);
}

/* === CHECKBOXES AND RADIOS === */
.form-check {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) 0;
}

.form-check-input {
    width: 18px;
    height: 18px;
    border: 2px solid var(--border-color);
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
}

.form-check-input:checked {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
}

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

.form-check-label {
    color: var(--text-primary);
    font-weight: var(--font-weight-normal);
    cursor: pointer;
}

/* === TOGGLE SWITCHES === */
.toggle-switch {
    position: relative;
    display: inline-block;
    width: 56px;
    height: 28px;
}

.toggle-switch input {
    opacity: 0;
    width: 0;
    height: 0;
}

.toggle-label {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--bg-tertiary);
    border: 2px solid var(--border-color);
    border-radius: 28px;
    transition: all var(--transition-fast);
}

.toggle-label:before {
    position: absolute;
    content: "";
    height: 20px;
    width: 20px;
    left: 2px;
    bottom: 2px;
    background: var(--text-white);
    border-radius: 50%;
    transition: all var(--transition-fast);
    box-shadow: var(--shadow-sm);
}

input:checked + .toggle-label {
    background: var(--primary-color);
    border-color: var(--primary-color);
}

input:checked + .toggle-label:before {
    transform: translateX(28px);
}

/* === SAFE SEARCH CONTAINER === */
.safe-search-container {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.safe-search-status {
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    color: var(--success-color);
}

.safe-search-status.off {
    color: var(--warning-color);
}

/* === SOURCE CONTROLS === */
.source-categories {
    max-height: 300px;
    overflow-y: auto;
    padding: var(--spacing-md);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    background: var(--bg-input);
}

.source-category {
    margin-bottom: var(--spacing-md);
}

.source-category-header h6 {
    color: var(--text-primary);
    font-weight: var(--font-weight-semibold);
    font-size: var(--font-size-sm);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.sources-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-sm);
    margin-top: var(--spacing-sm);
}

.sources-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: var(--spacing-sm);
    margin-top: var(--spacing-sm);
}

/* Source item styles */
.source-item-clean {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    background: var(--bg-card);
    transition: all var(--transition-fast);
    cursor: pointer;
}

.source-item-clean:hover {
    border-color: var(--primary-color);
    background: rgba(102, 126, 234, 0.05);
    transform: translateY(-1px);
    box-shadow: var(--shadow-sm);
}

.source-item-clean.available {
    cursor: pointer;
}

.source-item-clean.locked {
    opacity: 0.6;
    cursor: not-allowed;
    background: rgba(255, 193, 7, 0.05);
    border-color: rgba(255, 193, 7, 0.3);
}

.source-item-clean.locked:hover {
    background: rgba(255, 193, 7, 0.1);
    transform: none;
}

.source-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 20px;
}

.source-label {
    flex: 1;
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    color: var(--text-primary);
    cursor: pointer;
}

.source-label.disabled {
    color: var(--text-muted);
    cursor: not-allowed;
}

.source-controls {
    display: flex;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-md);
    justify-content: flex-start;
    flex-wrap: wrap;
}

.source-count {
    font-size: var(--font-size-sm);
    color: var(--text-muted);
    font-weight: var(--font-weight-normal);
}

/* === FIELDSETS === */
fieldset {
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

legend {
    padding: 0 var(--spacing-sm);
    font-weight: var(--font-weight-semibold);
    color: var(--text-primary);
}

/* === RESPONSIVE FORMS === */
@media (max-width: 768px) {
    .search-controls {
        padding: var(--spacing-lg);
    }
    
    .sources-list {
        grid-template-columns: 1fr;
    }
    
    .source-controls {
        justify-content: center;
    }
    
    fieldset {
        padding: var(--spacing-md);
    }
}

/* === VALIDATION STATES === */
.form-control.is-valid,
.form-select.is-valid {
    border-color: var(--success-color);
}

.form-control.is-invalid,
.form-select.is-invalid {
    border-color: var(--danger-color);
}

.valid-feedback {
    color: var(--success-color);
    font-size: var(--font-size-sm);
    margin-top: var(--spacing-xs);
}

.invalid-feedback {
    color: var(--danger-color);
    font-size: var(--font-size-sm);
    margin-top: var(--spacing-xs);
}

/* === THEME SPECIFIC === */
[data-theme="dark"] .form-control,
[data-theme="dark"] .form-select {
    background: rgba(31, 41, 55, 0.8);
    border-color: rgba(75, 85, 99, 0.5);
    color: var(--text-white);
}

[data-theme="dark"] .form-control:focus,
[data-theme="dark"] .form-select:focus {
    background: rgba(17, 24, 39, 0.9);
}

[data-theme="dark"] .source-categories {
    background: rgba(31, 41, 55, 0.8);
    border-color: rgba(75, 85, 99, 0.5);
}

/* === LOCKED SOURCE STYLES === */
.locked-source {
    background: rgba(255, 193, 7, 0.1);
    border: 1px solid rgba(255, 193, 7, 0.3);
    border-radius: var(--radius-md);
    padding: var(--spacing-sm) var(--spacing-md);
    margin-bottom: var(--spacing-sm);
    transition: all var(--transition-normal);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.locked-source:hover {
    background: rgba(255, 193, 7, 0.15);
    border-color: rgba(255, 193, 7, 0.5);
    transform: translateY(-1px);
}

.locked-source .fas.fa-lock {
    font-size: var(--font-size-lg);
    color: var(--warning-color);
}

.locked-source .form-check-label {
    flex: 1;
    margin-left: var(--spacing-sm);
    font-weight: var(--font-weight-medium);
}

.locked-source .btn {
    font-size: var(--font-size-xs);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
}

/* Dark theme adjustments for locked sources */
[data-theme="dark"] .locked-source {
    background: rgba(255, 193, 7, 0.08);
    border-color: rgba(255, 193, 7, 0.25);
}

[data-theme="dark"] .locked-source:hover {
    background: rgba(255, 193, 7, 0.12);
    border-color: rgba(255, 193, 7, 0.4);
}