/* Shared Navigation Styles */
.nav-menu {
    display: flex;
    list-style: none;
    margin: 0;
    padding: 0;
    gap: 0;
}

.nav-item {
    position: relative;
}

.nav-link-top {
    color: white;
    text-decoration: none;
    padding: 12px 16px;
    display: block;
    font-weight: 500;
    transition: all 0.2s ease;
}

.nav-link-top:hover {
    background: rgba(255, 255, 255, 0.1);
    color: #e0f2fe;
}

.nav-link-top.active {
    background: rgba(255, 255, 255, 0.15);
    color: #e0f2fe;
}

.nav-dropdown {
    position: absolute;
    top: 100%;
    left: 0;
    background: white;
    border: 1px solid #e5e7eb;
    border-radius: 8px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    min-width: 200px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all 0.2s ease;
    z-index: 1000;
}

.nav-item:hover .nav-dropdown {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.nav-dropdown.show {
    opacity: 1 !important;
    visibility: visible !important;
    transform: translateY(0) !important;
}

.nav-dropdown a {
    color: #374151 !important;
    padding: 12px 16px !important;
    display: block !important;
    text-decoration: none;
    border-radius: 0 !important;
    font-weight: 500;
    transition: background 0.2s ease;
}

.nav-dropdown a:hover {
    background: #f3f4f6 !important;
    color: #2563eb !important;
}

.nav-dropdown a:first-child {
    border-radius: 8px 8px 0 0 !important;
}

.nav-dropdown a:last-child {
    border-radius: 0 0 8px 8px !important;
}

/* Mobile menu styles */
.mobile-menu-toggle {
    display: none;
    background: none;
    border: none;
    color: white;
    font-size: 1.5em;
    cursor: pointer;
    padding: 8px;
    border-radius: 4px;
    transition: all 0.2s ease;
    min-width: 44px;
    min-height: 44px;
    align-items: center;
    justify-content: center;
}

.mobile-menu-toggle:hover {
    background: rgba(255, 255, 255, 0.1);
    transform: scale(1.05);
}

.mobile-menu-toggle:active {
    transform: scale(0.95);
}

@media (max-width: 768px) {
    .nav-menu {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: #1e40af;
        flex-direction: column;
        padding: 20px;
        box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
        z-index: 10000;
        border-radius: 0 0 8px 8px;
    }
    
    .nav-menu.active {
        display: flex !important;
    }
    
    /* Ensure the nav container has relative positioning */
    nav {
        position: relative !important;
    }
    
    .nav-menu > a {
        margin: 8px 0 !important;
        padding: 14px 16px !important;
        text-align: center;
        transition: all 0.2s ease;
        border-radius: 6px !important;
        min-height: 44px !important;
        display: flex !important;
        align-items: center !important;
        justify-content: center !important;
    }
    
    .nav-menu > a:hover,
    .nav-menu > a:active {
        background: rgba(255, 255, 255, 0.1) !important;
        transform: scale(0.98);
    }
    
    .nav-menu .nav-item {
        margin: 8px 0;
    }
    
    .nav-menu .nav-item > .nav-link-top {
        padding: 14px 16px !important;
        text-align: center;
        margin: 0;
        border-radius: 6px !important;
        min-height: 44px !important;
        display: flex !important;
        align-items: center !important;
        justify-content: center !important;
        transition: all 0.2s ease;
    }
    
    .nav-menu .nav-item > .nav-link-top:hover,
    .nav-menu .nav-item > .nav-link-top:active {
        background: rgba(255, 255, 255, 0.1) !important;
        transform: scale(0.98);
    }
    
    .nav-menu .nav-dropdown {
        position: static;
        background: rgba(255, 255, 255, 0.1);
        border: none;
        border-radius: 4px;
        margin-top: 8px;
        box-shadow: none;
        opacity: 0;
        visibility: hidden;
        max-height: 0;
        overflow: hidden;
        transition: all 0.3s ease;
    }
    
    .nav-menu .nav-dropdown.show {
        opacity: 1 !important;
        visibility: visible !important;
        max-height: 200px !important;
        transform: none !important;
    }
    
    .nav-menu .nav-dropdown a {
        color: #e0f2fe !important;
        background: none !important;
        padding: 12px 16px !important;
        margin: 4px 0 !important;
        text-align: center !important;
        border-radius: 4px !important;
        min-height: 44px !important;
        display: flex !important;
        align-items: center !important;
        justify-content: center !important;
        font-size: 1em !important;
    }
    
    .nav-menu .nav-dropdown a:hover,
    .nav-menu .nav-dropdown a:active {
        background: rgba(255, 255, 255, 0.15) !important;
        color: white !important;
        transform: scale(0.98);
    }
    
    .mobile-menu-toggle {
        display: flex !important;
    }
}

/* Calculator pages specific nav adjustments to match body padding */
@media (max-width: 768px) {
    nav[style*="padding: 12px"] {
        padding: 12px 8px !important;
    }
    
    nav div[style*="padding: 0 20px"] {
        padding: 0 8px !important;
    }
}

@media (max-width: 480px) {
    nav[style*="padding: 12px"] {
        padding: 12px 4px !important;
    }
    
    nav div[style*="padding: 0 20px"] {
        padding: 0 4px !important;
    }
}