/**
 * Filter Components
 * Styles for session list filters with design token integration
 */

/* Filter Bar Layout */
.filter-bar {
    background: #f8f9fa !important; /* Force light background */
    border: 1px solid #e9ecef;
    border-radius: 12px;
    padding: 1.5rem;
    margin-bottom: 1.5rem;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
}

.filter-bar .form-label {
    font-weight: 600;
    color: #212529 !important; /* Dark text for readability */
    margin-bottom: 0.75rem;
    font-size: 0.875rem;
}

.filter-bar .form-label i {
    color: #6c757d !important; /* Muted but visible icons */
}

/* Form Controls */
.filter-bar .form-control,
.filter-bar .form-select {
    border: 2px solid #e9ecef;
    border-radius: 8px;
    padding: 0.75rem 1rem;
    font-size: 1rem;
    transition: all 0.3s ease;
    background-color: #ffffff !important;
    color: #212529 !important;
}

/* Dropdown options styling */
.filter-bar .form-select option {
    background-color: #ffffff !important;
    color: #212529 !important;
    padding: 0.5rem;
}

/* Additional browser-specific option styling */
.filter-bar select option {
    background: #ffffff !important;
    color: #212529 !important;
}

.filter-bar select option:checked {
    background-color: #0d6efd !important;
    color: #ffffff !important;
}

/* Focus and hover states for options */
.filter-bar .form-select:focus option:checked,
.filter-bar .form-select:focus option:hover {
    background-color: #0d6efd !important;
    color: #ffffff !important;
}

.filter-bar .form-control:focus,
.filter-bar .form-select:focus {
    border-color: var(--color-primary, #0d6efd);
    box-shadow: 0 0 0 0.2rem rgba(var(--color-primary-rgb, 13, 110, 253), 0.1);
    outline: none;
    transform: translateY(-1px);
}

.filter-bar .form-control:invalid,
.filter-bar .form-select:invalid {
    border-color: var(--color-danger, #dc3545);
}

/* Help Text */
.filter-bar .form-text {
    font-size: var(--font-size-xs, 0.75rem);
    color: var(--color-text-muted, #6c757d);
    margin-top: var(--spacing-xs, 0.25rem);
}

.filter-bar .form-text.visually-hidden {
    position: absolute !important;
    width: 1px !important;
    height: 1px !important;
    padding: 0 !important;
    margin: -1px !important;
    overflow: hidden !important;
    clip: rect(0, 0, 0, 0) !important;
    white-space: nowrap !important;
    border: 0 !important;
}

/* Filter Action Buttons */
.filter-bar .btn-group {
    box-shadow: var(--shadow-sm, 0 2px 4px rgba(0, 0, 0, 0.05));
    border-radius: var(--border-radius-md, 8px);
    overflow: hidden;
}

.filter-bar .btn-group .btn {
    border: 2px solid var(--color-border-light, #e9ecef);
    padding: var(--spacing-sm, 0.75rem);
    transition: all var(--transition-base, 0.3s ease);
    font-weight: var(--font-weight-medium, 500);
    position: relative;
}

.filter-bar .btn-group .btn:first-child {
    border-right: 1px solid var(--color-border-light, #e9ecef);
}

.filter-bar .btn-group .btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md, 0 4px 8px rgba(0, 0, 0, 0.1));
    z-index: 1;
}

.filter-bar .btn-outline-primary {
    color: #0d6efd !important;
    border-color: #0d6efd;
    background-color: #ffffff;
}

.filter-bar .btn-outline-primary:hover {
    background-color: var(--color-primary, #0d6efd);
    color: var(--color-text-inverse, #ffffff);
}

.filter-bar .btn-outline-secondary {
    color: #6c757d !important;
    border-color: #6c757d;
    background-color: #ffffff;
}

.filter-bar .btn-outline-secondary:hover {
    background-color: var(--color-secondary, #6c757d);
    color: var(--color-text-inverse, #ffffff);
}

/* Filter Status */
.filter-status {
    border-radius: var(--border-radius-md, 8px);
    font-size: var(--font-size-sm, 0.875rem);
    line-height: 1.4;
    animation: slideDown var(--transition-base, 0.3s) ease;
}

.filter-status.alert-info {
    background-color: rgba(var(--color-info-rgb, 13, 202, 240), 0.1);
    border-color: var(--color-info, #0dcaf0);
    color: var(--color-info-dark, #087990);
}

.filter-status.alert-warning {
    background-color: rgba(var(--color-warning-rgb, 255, 193, 7), 0.1);
    border-color: var(--color-warning, #ffc107);
    color: var(--color-warning-dark, #997404);
}

/* Mobile Filter Toggle */
.filter-bar .d-md-none .btn {
    border-radius: var(--border-radius-md, 8px);
    transition: all var(--transition-base, 0.3s ease);
}

.filter-bar .d-md-none .btn:hover {
    transform: translateY(-1px);
    box-shadow: var(--shadow-sm, 0 2px 4px rgba(0, 0, 0, 0.1));
}

.filter-bar .collapse .alert-info {
    background-color: rgba(var(--color-info-rgb, 13, 202, 240), 0.05);
    border: 1px solid rgba(var(--color-info-rgb, 13, 202, 240), 0.2);
    color: var(--color-info-dark, #087990);
}

/* Responsive Design */
@media (max-width: 767.98px) {
    .filter-bar {
        padding: var(--spacing-md, 1rem);
        margin-bottom: var(--spacing-md, 1rem);
    }
    
    .filter-bar .col-md-3,
    .filter-bar .col-md-2,
    .filter-bar .col-md-1 {
        margin-bottom: var(--spacing-sm, 0.75rem);
    }
    
    .filter-bar .col-md-1:last-child {
        margin-bottom: 0;
    }
    
    .filter-bar .btn-group {
        width: 100%;
    }
    
    .filter-bar .btn-group .btn {
        flex: 1;
        font-size: var(--font-size-sm, 0.875rem);
        padding: var(--spacing-xs, 0.5rem) var(--spacing-sm, 0.75rem);
    }
}

@media (min-width: 768px) and (max-width: 991.98px) {
    .filter-bar {
        padding: var(--spacing-md, 1rem) var(--spacing-lg, 1.5rem);
    }
    
    .filter-bar .form-control,
    .filter-bar .form-select {
        font-size: var(--font-size-sm, 0.875rem);
        padding: var(--spacing-xs, 0.5rem) var(--spacing-sm, 0.75rem);
    }
}

/* Animations */
@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Focus Management */
.filter-bar .form-control:focus-visible,
.filter-bar .form-select:focus-visible {
    outline: 2px solid var(--color-primary, #0d6efd);
    outline-offset: 2px;
}

.filter-bar .btn:focus-visible {
    outline: 2px solid var(--color-primary, #0d6efd);
    outline-offset: 2px;
    box-shadow: none;
}

/* High Contrast Mode Support */
@media (prefers-contrast: high) {
    .filter-bar {
        border: 2px solid var(--color-text-primary, #212529);
    }
    
    .filter-bar .form-control,
    .filter-bar .form-select {
        border: 2px solid var(--color-text-primary, #212529);
    }
    
    .filter-bar .btn-group .btn {
        border: 2px solid var(--color-text-primary, #212529);
    }
}

/* Reduced Motion */
@media (prefers-reduced-motion: reduce) {
    .filter-bar .form-control,
    .filter-bar .form-select,
    .filter-bar .btn-group .btn,
    .filter-status {
        transition: none;
        animation: none;
    }
    
    .filter-bar .btn-group .btn:hover,
    .filter-bar .form-control:focus,
    .filter-bar .form-select:focus {
        transform: none;
    }
}

/* Dark Mode Support (if implemented) */
@media (prefers-color-scheme: dark) {
    .filter-bar {
        background: var(--color-background-subtle-dark, #2d3338);
        border-color: var(--color-border-dark, #495057);
    }
    
    .filter-bar .form-control,
    .filter-bar .form-select {
        background-color: var(--color-background-primary-dark, #212529);
        border-color: var(--color-border-dark, #495057);
        color: var(--color-text-primary-dark, #f8f9fa);
    }
    
    .filter-bar .form-label {
        color: var(--color-text-primary-dark, #f8f9fa);
    }
}