/**
 * Dropdown Menu Fix for Student Portal
 * This CSS file fixes issues with dropdown menus in the student portal
 */

/* Reset dropdown menu styles to ensure they work correctly */
.dropdown-menu {
    position: absolute !important;
    z-index: 1000 !important;
    display: none !important;
    min-width: 10rem !important;
    padding: 0.5rem 0 !important;
    margin: 0 !important;
    font-size: 1rem !important;
    color: #212529 !important;
    text-align: left !important;
    list-style: none !important;
    background-color: #fff !important;
    background-clip: padding-box !important;
    border: 1px solid rgba(0, 0, 0, 0.15) !important;
    border-radius: 0.25rem !important;
    box-shadow: 0 0.5rem 1rem rgba(0, 0, 0, 0.175) !important;
}

.dropdown-menu.show {
    display: block !important;
}

.dropdown-item {
    display: block !important;
    width: 100% !important;
    padding: 0.25rem 1rem !important;
    clear: both !important;
    font-weight: 400 !important;
    color: #212529 !important;
    text-align: inherit !important;
    text-decoration: none !important;
    white-space: nowrap !important;
    background-color: transparent !important;
    border: 0 !important;
}

.dropdown-item:hover, .dropdown-item:focus {
    color: #1e2125 !important;
    background-color: #f8f9fa !important;
    text-decoration: none !important;
}

.dropdown-item.active, .dropdown-item:active {
    color: #fff !important;
    text-decoration: none !important;
    background-color: #0d6efd !important;
}

.dropdown-item.disabled, .dropdown-item:disabled {
    color: #6c757d !important;
    pointer-events: none !important;
    background-color: transparent !important;
}

/* Fix for dropdown toggle */
.dropdown-toggle::after {
    display: inline-block !important;
    margin-left: 0.255em !important;
    vertical-align: 0.255em !important;
    content: "" !important;
    border-top: 0.3em solid !important;
    border-right: 0.3em solid transparent !important;
    border-bottom: 0 !important;
    border-left: 0.3em solid transparent !important;
}

.dropdown-toggle:empty::after {
    margin-left: 0 !important;
}

/* Fix for dropdown menu positioning */
.dropdown-menu-end {
    right: 0 !important;
    left: auto !important;
}

.dropdown-menu-start {
    right: auto !important;
    left: 0 !important;
}

/* Fix for dropdown dividers */
.dropdown-divider {
    height: 0 !important;
    margin: 0.5rem 0 !important;
    overflow: hidden !important;
    border-top: 1px solid rgba(0, 0, 0, 0.15) !important;
}

/* Fix for dropdown headers */
.dropdown-header {
    display: block !important;
    padding: 0.5rem 1rem !important;
    margin-bottom: 0 !important;
    font-size: 0.875rem !important;
    color: #6c757d !important;
    white-space: nowrap !important;
}

/* Fix for dropdown text */
.dropdown-item-text {
    display: block !important;
    padding: 0.25rem 1rem !important;
    color: #212529 !important;
}

/* Fix for dropdown menu scrolling */
.dropdown-menu.show {
    max-height: 80vh !important;
    overflow-y: auto !important;
}

/* Fix for dropdown menu on mobile */
@media (max-width: 767.98px) {
    .dropdown-menu {
        position: static !important;
        float: none !important;
        width: auto !important;
        margin-top: 0 !important;
        background-color: transparent !important;
        border: 0 !important;
        box-shadow: none !important;
    }
    
    .dropdown-menu.show {
        display: block !important;
    }
}