/* Complete Dropdown Submenu Solution with Sub-submenu Support */

:root {
    --primary-color: #1e3a8a;
    --secondary-color: #3b82f6;
    --accent-color: #f59e0b;
    --text-dark: #1f2937;
}

/* Base Navigation Styles */
.navbar {
    background: var(--primary-color) !important;
    padding: 15px 0;
    position: relative;
    z-index: 1000;
}

.navbar-nav {
    flex-wrap: wrap;
}

.navbar-nav .nav-link {
    color: white !important;
    font-weight: 500;
    margin: 0 5px;
    transition: all 0.3s ease;
    position: relative;
}

.navbar-nav .nav-link:hover {
    color: var(--accent-color) !important;
    transform: translateY(-2px);
}

/* CRITICAL: Ensure dropdowns are positioned correctly */
.dropdown {
    position: relative !important;
}

.navbar .dropdown {
    position: static;
}

@media (min-width: 992px) {
    .navbar .dropdown {
        position: relative;
    }
}

/* Dropdown Menu Base Styles */
.dropdown-menu {
    background: var(--primary-color);
    border: none;
    border-radius: 8px;
    box-shadow: 0 8px 25px rgba(0,0,0,0.15);
    min-width: 280px;
    padding: 8px 0;
    margin-top: 0;
    position: absolute;
    z-index: 1020;
}

.dropdown-item {
    color: white !important;
    padding: 12px 20px;
    font-size: 0.9rem;
    white-space: normal;
    transition: all 0.3s ease;
    border: none;
    background: none;
    width: 100%;
    text-align: left;
    position: relative;
}

.dropdown-item:hover,
.dropdown-item:focus {
    background: var(--secondary-color);
    color: var(--accent-color) !important;
}

.dropdown-divider {
    border-color: var(--secondary-color);
    margin: 8px 0;
}

/* Submenu Styles */
.dropdown-submenu {
    position: relative !important;
}

.dropdown-submenu > .dropdown-item::after {
    content: '\f054';
    font-family: 'Font Awesome 6 Free';
    font-weight: 900;
    float: right;
    margin-left: 10px;
    margin-top: 2px;
    font-size: 0.8rem;
    transition: transform 0.3s ease;
}

.dropdown-submenu:hover > .dropdown-item::after {
    transform: translateX(3px);
}

/* First Level Submenu */
.dropdown-submenu .dropdown-menu {
    position: absolute !important;
    top: 0 !important;
    left: 100% !important;
    margin-top: 0 !important;
    margin-left: 2px !important;
    display: none;
    background: var(--secondary-color);
    border: 2px solid var(--accent-color);
    border-radius: 6px;
    min-width: 280px;
    max-height: 400px;
    overflow-y: auto;
    z-index: 1021 !important;
}

/* Sub-submenu (Third Level) */
.dropdown-submenu .dropdown-submenu .dropdown-menu {
    background: #2563eb; /* Darker blue for sub-submenu */
    border: 2px solid var(--accent-color);
    z-index: 1022 !important;
    left: 100% !important;
    top: 0 !important;
}

/* Sub-submenu items */
.dropdown-submenu .dropdown-submenu .dropdown-item {
    padding: 8px 16px;
    font-size: 0.85rem;
}

.dropdown-submenu .dropdown-submenu .dropdown-item:hover,
.dropdown-submenu .dropdown-submenu .dropdown-item:focus {
    background: rgba(255, 255, 255, 0.15);
    color: var(--accent-color) !important;
}

/* General submenu item styles */
.dropdown-submenu .dropdown-menu .dropdown-item {
    background: transparent;
    padding: 10px 18px;
}

.dropdown-submenu .dropdown-menu .dropdown-item:hover,
.dropdown-submenu .dropdown-menu .dropdown-item:focus {
    background: rgba(255, 255, 255, 0.1);
    color: var(--accent-color) !important;
}

/* Desktop Hover Behavior */
@media (min-width: 992px) {
    .dropdown:hover > .dropdown-menu {
        display: block;
    }
    
    .dropdown-submenu:hover > .dropdown-menu {
        display: block;
        animation: slideInRight 0.3s ease-out;
    }
    
    /* Handle nested sub-submenus */
    .dropdown-submenu .dropdown-submenu:hover > .dropdown-menu {
        display: block;
        animation: slideInRight 0.3s ease-out;
    }
    
    /* Default right positioning */
    .dropdown-submenu .dropdown-menu {
        left: 100% !important;
        right: auto !important;
    }
    
    /* Left positioning when near screen edge */
    .dropdown-submenu.dropstart .dropdown-menu,
    .dropdown-submenu.edge-detection .dropdown-menu {
        left: -100% !important;
        right: auto !important;
        margin-left: -2px !important;
        margin-right: 0 !important;
    }
}

/* Animation for submenu appearance */
@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(-10px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* Mobile Navigation Styles */
.navbar-toggler {
    border: 2px solid white !important;
    padding: 4px 8px;
    background: transparent;
}

.navbar-toggler:focus {
    box-shadow: 0 0 0 0.2rem rgba(255, 255, 255, 0.25);
}

.navbar-toggler-icon {
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba%28255, 255, 255, 1%29' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e") !important;
    width: 20px;
    height: 20px;
}

/* Mobile Responsive Adjustments */
@media (max-width: 991px) {
    .navbar-toggler {
        display: block !important;
        border: 1px solid rgba(255,255,255,.5) !important;
    }
    
    .navbar-collapse {
        background: var(--primary-color);
        margin-top: 10px;
        border-radius: 8px;
        padding: 15px;
        max-height: 70vh;
        overflow-y: auto;
    }
    
    .navbar-collapse.show {
        display: block !important;
    }
    
    .navbar-nav .nav-link {
        padding: 12px 15px;
        border-bottom: 1px solid rgba(255,255,255,0.1);
        display: block;
        width: 100%;
        margin: 0;
    }
    
    .navbar-nav .nav-link:last-child {
        border-bottom: none;
    }
    
    .navbar-nav .nav-link:hover {
        transform: none;
        padding-left: 20px;
    }
    
    /* Mobile Dropdown Styles - RESET POSITIONING */
    .dropdown {
        position: static !important;
    }
    
    .dropdown-menu {
        background: var(--secondary-color) !important;
        position: static !important;
        float: none !important;
        border: none;
        box-shadow: none;
        margin-left: 15px;
        border-radius: 5px;
        display: none !important;
        margin-top: 5px;
        padding: 5px 0;
        transform: none !important;
        z-index: auto !important;
    }
    
    .dropdown-menu.show {
        display: block !important;
    }
    
    .dropdown-item {
        padding: 10px 15px;
        font-size: 0.85rem;
    }
    
    /* Mobile Submenu Styles */
    .dropdown-submenu {
        position: static !important;
    }
    
    .dropdown-submenu > .dropdown-item::after {
        content: '\f107';
        transform: none;
        transition: transform 0.3s ease;
    }
    
    .dropdown-submenu.show > .dropdown-item::after {
        transform: rotate(180deg);
    }
    
    /* First level submenu on mobile */
    .dropdown-submenu .dropdown-menu {
        position: static !important;
        left: auto !important;
        top: auto !important;
        right: auto !important;
        margin-left: 20px;
        margin-top: 5px;
        box-shadow: none;
        border-left: 3px solid var(--accent-color);
        border-radius: 0;
        background: rgba(29, 78, 216, 0.8) !important;
        border: none;
        border-left: 3px solid var(--accent-color);
        max-height: none;
        overflow: visible;
        padding: 5px 0;
        transform: none !important;
        z-index: auto !important;
    }
    
    /* Sub-submenu on mobile */
    .dropdown-submenu .dropdown-submenu .dropdown-menu {
        margin-left: 40px;
        background: rgba(37, 99, 235, 0.9) !important;
        border-left: 3px solid #fbbf24;
    }
    
    .dropdown-submenu .dropdown-menu.show {
        display: block !important;
    }
    
    .dropdown-submenu .dropdown-menu .dropdown-item {
        padding: 8px 15px;
        font-size: 0.8rem;
    }
    
    /* Sub-submenu items on mobile */
    .dropdown-submenu .dropdown-submenu .dropdown-item {
        padding: 6px 12px;
        font-size: 0.75rem;
    }
}

/* Accessibility Enhancements */
.dropdown-item:focus,
.dropdown-submenu > .dropdown-item:focus {
    outline: 2px solid var(--accent-color);
    outline-offset: -2px;
}

/* Scrollable Submenu for Long Lists */
.dropdown-submenu .dropdown-menu::-webkit-scrollbar {
    width: 6px;
}

.dropdown-submenu .dropdown-menu::-webkit-scrollbar-track {
    background: rgba(255,255,255,0.1);
    border-radius: 3px;
}

.dropdown-submenu .dropdown-menu::-webkit-scrollbar-thumb {
    background: var(--accent-color);
    border-radius: 3px;
}

.dropdown-submenu .dropdown-menu::-webkit-scrollbar-thumb:hover {
    background: #d97706;
}

/* Fix for Bootstrap conflicts */
.navbar-nav .dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    right: auto;
    transform: none;
}

@media (min-width: 992px) {
    .navbar-nav .dropdown-menu {
        margin-top: 0;
    }
}

/* High contrast support */
@media (prefers-contrast: high) {
    .dropdown-menu {
        border: 2px solid var(--accent-color);
    }
    
    .dropdown-item:hover,
    .dropdown-item:focus {
        border: 1px solid var(--accent-color);
    }
}

/* Reduced motion support */
@media (prefers-reduced-motion: reduce) {
    .dropdown-item,
    .dropdown-submenu > .dropdown-item::after {
        transition: none;
    }
    
    .dropdown-submenu:hover > .dropdown-menu {
        animation: none;
    }
}

/* Print Styles */
@media print {
    .navbar,
    .dropdown-menu {
        display: none !important;
    }
}