header {
    position: sticky;
    top: 0;
    z-index: 9999;
    background-color: var(--background-color);
    padding: 0.5rem 0;
    overflow: visible;
    box-shadow: 0 2px 15px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
}

header .navbar {
    padding-top: 0.5rem;
    padding-bottom: 0.5rem;
    overflow: visible;
}

header .navbar .navbar-nav a {
    color: var(--text-color) !important;
    font-size: 1rem;
    font-weight: 500;
    margin: 0 3px;
    padding: 6px 12px;
    border-radius: 8px;
    transition: all 0.3s ease;
    white-space: nowrap;
}

header .navbar .navbar-nav a:hover {
    background-color: rgba(var(--primary-rgb), 0.1);
    transform: translateY(-2px);
    color: var(--primary-color) !important;
}

#theme-toggle {
    background-color: transparent !important;
    color: var(--text-color) !important;
    padding: 8px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-left: 10px;
    z-index: 10;
}

#theme-toggle:hover {
    background-color: rgba(var(--primary-rgb), 0.1) !important;
}

.navbar-toggler {
    border: none;
    outline: none;
    color: var(--text-color);
    padding: 10px;
    border-radius: 8px;
    transition: all 0.3s ease;
    z-index: 10;
}

.navbar-toggler:hover {
    background-color: rgba(var(--primary-rgb), 0.1);
}

.navbar-toggler svg {
    fill: currentColor;
    color: var(--text-color);
    width: 24px;
    height: 24px;
    shape-rendering: geometricPrecision;
    text-rendering: optimizeLegibility;
}

.navbar-toggler:focus {
    box-shadow: 0 0 0 0.15rem rgba(var(--primary-rgb), 0.25);
}

.navbar-text {
    font-size: 1.05rem !important;
    opacity: 0.95;
    color: var(--text-color) !important;
}

header .nav-link {
    margin: 0 0.5rem;
    padding: 0.5rem 0.3rem !important;
    color: var(--text-color) !important;
    font-weight: 500;
    position: relative;
    overflow: hidden;
    transition: color 0.3s;
}

.nav-link:hover, .nav-link:focus, .nav-link.active {
    color: var(--primary-color) !important;
}

.navbar-brand {
    color: var(--primary-color) !important;
    opacity: 0.95;
    font-size: 1.5rem;
    font-weight: 600;
    padding: 0;
    margin-right: 1rem;
    display: flex;
    align-items: center;
    gap: 10px;
}

.navbar-brand .brand-container {
    display: flex;
    align-items: center;
    gap: 10px;
}

.navbar-brand .brand-logo {
    width: 35px;
    height: 35px;
    transition: transform 0.3s ease;
}

.navbar-brand:hover .brand-logo {
    transform: rotate(10deg);
}

.navbar .nav-link:hover {
    color: var(--primary-color) !important;
}

li > .dropdown-toggle:focus {
    color: var(--primary-color) !important;
}

/* Dropdown menu styling fixes */
.dropdown-menu {
    background-color: var(--background-color);
    border: 1px solid rgba(var(--primary-rgb), 0.1);
    border-radius: 12px;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
    padding: 0.8rem 0;
    margin-top: 0.5rem;
    transition: all 0.3s ease;
    position: absolute;
    top: 100%;
    left: 0; 
    z-index: 1000;
    min-width: 10rem;
    max-height: none;
    overflow: visible;
    display: none; /* Hide by default */
}

/* Make dropdowns visible in all modes */
.dark .dropdown-menu {
    background-color: var(--background-color-dark);
    border-color: rgba(var(--primary-rgb), 0.2);
}

/* Make dropdown items visible */
.dropdown-menu .dropdown-item {
    color: var(--text-color) !important;
    font-weight: 500;
    padding: 0.6rem 1.5rem;
    transition: all 0.3s ease;
}

.dropdown-menu .dropdown-item:hover {
    background-color: rgba(var(--primary-rgb), 0.1);
    color: var(--primary-color) !important;
}

.dark .dropdown-menu .dropdown-item {
    color: var(--text-color-dark) !important;
}

/* Explicitly show dropdown when it has .show class */
.dropdown-menu.show {
    display: block;
}

/* Fix glassmorphism effect - reduce blur and increase opacity for better clarity */
.glassmorphism {
    background: rgba(255, 255, 255, 0.95) !important; /* Increased opacity further */
    backdrop-filter: blur(3px) !important; /* Reduced blur more */
    -webkit-backdrop-filter: blur(3px) !important; /* Reduced blur more */
    border-bottom: 1px solid rgba(255, 255, 255, 0.2);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.05);
}

.dark .glassmorphism {
    background: rgba(30, 30, 30, 0.95) !important; /* Dark mode with increased opacity */
}

@media (max-width: 1366px) {
    header .navbar .navbar-nav a {
        font-size: 0.95rem;
        padding: 6px 10px;
        margin: 0 2px;
    }
    
    .navbar-brand {
        font-size: 1.3rem;
    }
    
    #search {
        width: 150px;
    }
}

@media (max-width: 991px) {
    /* Mobile navbar - remove blur entirely for better performance and clarity */
    .glassmorphism {
        background: rgba(255, 255, 255, 0.98) !important;
        backdrop-filter: none !important;
        -webkit-backdrop-filter: none !important;
        box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    }
    
    .dark .glassmorphism {
        background: rgba(30, 30, 30, 0.98) !important;
    }
    
    .navbar-collapse {
        background-color: var(--background-color);
        border-radius: 12px;
        padding: 1rem;
        margin-top: 1rem;
        box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
        max-height: 80vh;
        overflow-y: auto;
        overflow-x: hidden;
    }
    
    .dark .navbar-collapse {
        background-color: var(--background-color-dark);
    }
    
    header .navbar .navbar-nav a {
        padding: 12px 15px;
        margin: 5px 0;
        font-size: 1.1rem;
        -webkit-font-smoothing: antialiased;
        -moz-osx-font-smoothing: grayscale;
        text-rendering: optimizeLegibility;
    }
    
    /* Fix mobile dropdown issues */
    .dropdown-menu {
        display: none;
        opacity: 1;
        visibility: visible;
        transform: none;
        background-color: rgba(var(--primary-rgb), 0.05);
        box-shadow: none;
        padding: 0.5rem 0;
        margin-top: 0.5rem;
        position: static;
        width: 100%;
        border: none;
        border-radius: 8px;
    }
    
    /* Show dropdown menu when .show class is added */
    .dropdown-menu.show {
        display: block;
    }
    
    /* Style dropdown toggles in mobile */
    .dropdown-toggle.show {
        color: var(--primary-color) !important;
        background-color: rgba(var(--primary-rgb), 0.1);
        border-radius: 8px;
    }
    
    /* Style dropdown items in mobile */
    .dropdown-menu .dropdown-item {
        padding: 10px 20px;
        margin: 0;
    }
    
    /* Improve mobile navbar toggle button clarity */
    .navbar-toggler {
        padding: 10px;
        background-color: rgba(var(--primary-rgb), 0.08);
        border-radius: 10px;
        margin-right: 5px;
    }
    
    .navbar-toggler:focus {
        box-shadow: 0 0 0 0.25rem rgba(var(--primary-rgb), 0.25);
    }
    
    .navbar-toggler svg {
        width: 28px;
        height: 28px;
        stroke-width: 1.5px;
    }
    
    /* Improve dropdown text clarity */
    .dropdown-item {
        font-weight: 500;
        font-size: 1rem;
        -webkit-font-smoothing: antialiased;
        -moz-osx-font-smoothing: grayscale;
    }
    
    .nav-link {
        margin: 0.5rem 0;
    }
}