/* ===== HEADER / NAVIGATION ===== */
.navbar {
    background: var(--navbar-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    padding: calc(var(--spacing-unit) * 1.5) 0;
    border-bottom: 1px solid var(--navbar-border);
    transition: var(--transition-smooth);
    z-index: 1000;
    position: relative;
    display: block !important;
    visibility: visible !important;
    opacity: 1 !important;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

body.dark .navbar {
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
}

/* Ensure navbar is visible on desktop */
@media (min-width: 992px) {
    .navbar {
        position: relative !important;
        display: block !important;
        visibility: visible !important;
        opacity: 1 !important;
    }
    
    .navbar-collapse {
        display: flex !important;
        visibility: visible !important;
        opacity: 1 !important;
    }
    
    .navbar-nav {
        display: flex !important;
        visibility: visible !important;
        opacity: 1 !important;
    }
}

.navbar .container {
    display: flex;
    align-items: center;
    flex-wrap: nowrap;
    max-width: 1200px;
    margin-left: auto;
    margin-right: auto;
    width: 100%;
    padding-left: calc(var(--spacing-unit) * 3);
    padding-right: calc(var(--spacing-unit) * 3);
    justify-content: space-between;
}

.navbar.scrolled {
    background: var(--navbar-bg);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}

body.dark .navbar.scrolled {
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.5);
}

.navbar-brand {
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 1.25rem;
    letter-spacing: 2px;
    color: var(--navbar-text);
    text-transform: uppercase;
    position: relative;
    transition: var(--transition-fast);
    white-space: nowrap;
    margin-right: calc(var(--spacing-unit) * 2);
}

.navbar-brand:hover {
    color: var(--navbar-text-hover);
}

.navbar-brand::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--color-primary);
    transition: var(--transition-fast);
}

.navbar-brand:hover::after {
    width: 100%;
}

.navbar-nav {
    gap: calc(var(--spacing-unit) * 0.25);
    flex-wrap: nowrap;
    white-space: nowrap;
}

.nav-link {
    font-family: var(--font-heading);
    font-weight: 500;
    font-size: 0.75rem;
    letter-spacing: 1px;
    text-transform: uppercase;
    color: var(--navbar-text) !important;
    padding: calc(var(--spacing-unit) * 1) calc(var(--spacing-unit) * 0.75);
    position: relative;
    transition: var(--transition-fast);
    white-space: nowrap;
}

.nav-link::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 2px;
    background: var(--navbar-text-hover);
    transition: var(--transition-fast);
}

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

body.dark .nav-link:hover,
body.dark .nav-link.active {
    color: var(--navbar-text-hover) !important;
}

.nav-link:hover::before,
.nav-link.active::before {
    width: calc(100% - calc(var(--spacing-unit) * 4));
}

.navbar-toggler {
    border: 1px solid rgba(30, 58, 138, 0.2);
    padding: calc(var(--spacing-unit) * 0.5) calc(var(--spacing-unit) * 1);
    position: relative;
    z-index: 1032;
    display: block;
}

body.dark .navbar-toggler {
    border-color: rgba(96, 165, 250, 0.2);
}

.navbar-toggler:focus {
    box-shadow: 0 0 0 0.1rem rgba(30, 58, 138, 0.25);
    outline: none;
}

body.dark .navbar-toggler:focus {
    box-shadow: 0 0 0 0.1rem rgba(96, 165, 250, 0.25);
}

.navbar-toggler:focus-visible {
    outline: 2px solid rgba(30, 58, 138, 0.5);
    outline-offset: 2px;
}

body.dark .navbar-toggler:focus-visible {
    outline-color: rgba(96, 165, 250, 0.5);
}

@media (min-width: 992px) {
    .navbar-toggler {
        display: none !important;
    }
    
    .theme-toggle {
        order: 2;
        margin-left: auto;
        margin-right: calc(var(--spacing-unit) * 2);
    }
}

@media (max-width: 991px) {
    .navbar-toggler {
        position: relative;
        z-index: 1032;
        margin-left: auto;
        display: block !important;
        visibility: visible !important;
        opacity: 1 !important;
    }
    
    .navbar-brand {
        position: relative;
        z-index: 1032;
    }
}

.navbar-toggler-icon {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='%23D1D5DB' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cline x1='3' y1='12' x2='21' y2='12'%3E%3C/line%3E%3Cline x1='3' y1='6' x2='21' y2='6'%3E%3C/line%3E%3Cline x1='3' y1='18' x2='21' y2='18'%3E%3C/line%3E%3C/svg%3E");
    width: 24px;
    height: 24px;
    display: inline-block;
    background-repeat: no-repeat;
    background-position: center;
    background-size: 100%;
}

@media (max-width: 991px) {
    .navbar-toggler-icon {
        display: inline-block !important;
        visibility: visible !important;
        opacity: 1 !important;
    }
}

/* Dropdown Styles */
.dropdown-toggle::after {
    margin-left: calc(var(--spacing-unit) * 0.5);
    border-top-color: var(--navbar-text);
    transition: var(--transition-fast);
}

body.dark .dropdown-toggle::after {
    border-top-color: var(--navbar-text);
}

.dropdown-toggle:hover::after {
    border-top-color: var(--navbar-text-hover);
}

.dropdown-menu {
    background: var(--navbar-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--navbar-border);
    border-radius: 16px;
    padding: calc(var(--spacing-unit) * 1);
    margin-top: calc(var(--spacing-unit) * 1);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.15);
    min-width: 200px;
}

body.dark .dropdown-menu {
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.5);
}

.dropdown-item {
    color: var(--navbar-text) !important;
    font-family: var(--font-heading);
    font-weight: 500;
    font-size: 0.75rem;
    letter-spacing: 1px;
    text-transform: uppercase;
    padding: calc(var(--spacing-unit) * 1.5) calc(var(--spacing-unit) * 2);
    border-radius: 12px;
    transition: var(--transition-fast);
}

.dropdown-item:hover,
.dropdown-item:focus {
    background: rgba(30, 58, 138, 0.1);
    color: var(--navbar-text-hover) !important;
}

body.dark .dropdown-item:hover,
body.dark .dropdown-item:focus {
    background: rgba(96, 165, 250, 0.1);
}

body.dark .dropdown-item:hover,
body.dark .dropdown-item:focus {
    background: rgba(96, 165, 250, 0.1);
}

.dropdown-item.active {
    background: rgba(30, 58, 138, 0.2);
    color: var(--navbar-text-hover) !important;
}

body.dark .dropdown-item.active {
    background: rgba(96, 165, 250, 0.2);
}

body.dark .dropdown-item.active {
    background: rgba(96, 165, 250, 0.2);
}

/* Login/Register Button */
    .btn-login {
        background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%) !important;
        color: #FFFFFF !important;
        font-weight: 700 !important;
        border-radius: 20px;
        padding: calc(var(--spacing-unit) * 1) calc(var(--spacing-unit) * 2.5) !important;
        margin-left: calc(var(--spacing-unit) * 0.5);
        transition: var(--transition-smooth);
        box-shadow: 0 4px 16px rgba(30, 58, 138, 0.3);
        border: 2px solid var(--color-primary);
    text-shadow: none;
    opacity: 1 !important;
    visibility: visible !important;
    display: inline-block !important;
}

    .btn-login:hover {
        transform: translateY(-2px);
        box-shadow: 0 6px 20px rgba(30, 58, 138, 0.4);
        color: #FFFFFF !important;
        background: linear-gradient(135deg, var(--color-secondary) 0%, var(--color-primary) 100%) !important;
    }
    
    body.dark .btn-login:hover {
        box-shadow: 0 6px 20px rgba(96, 165, 250, 0.4);
    }

.btn-login::before {
    display: none;
}

.btn-register {
    background: rgba(30, 58, 138, 0.1);
    color: var(--color-primary) !important;
    font-weight: 700 !important;
    border: 2px solid var(--color-primary);
    border-radius: 20px;
    padding: calc(var(--spacing-unit) * 1) calc(var(--spacing-unit) * 2.5) !important;
    margin-left: calc(var(--spacing-unit) * 0.25);
    transition: var(--transition-smooth);
}

body.dark .btn-register {
    background: rgba(96, 165, 250, 0.1);
    color: var(--color-primary) !important;
}

.btn-register:hover {
    background: var(--color-primary);
    color: #FFFFFF !important;
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(30, 58, 138, 0.4);
}

body.dark .btn-register:hover {
    box-shadow: 0 6px 16px rgba(96, 165, 250, 0.4);
}

.btn-register::before {
    display: none;
}

/* Dashboard Button */
.btn-dashboard {
    background: rgba(0, 102, 204, 0.15);
    color: var(--academic-blue) !important;
    font-weight: 700 !important;
    border: 2px solid rgba(0, 102, 204, 0.4);
    border-radius: 20px;
}

.btn-dashboard-nav {
    background: rgba(30, 58, 138, 0.15);
    color: var(--color-primary) !important;
    font-weight: 700 !important;
    border: 2px solid rgba(30, 58, 138, 0.4);
    border-radius: 20px;
    padding: calc(var(--spacing-unit) * 1) calc(var(--spacing-unit) * 2.5) !important;
    margin-left: calc(var(--spacing-unit) * 0.25);
    transition: var(--transition-smooth);
}

body.dark .btn-dashboard-nav {
    background: rgba(96, 165, 250, 0.15);
    border-color: rgba(96, 165, 250, 0.4);
    color: var(--color-primary) !important;
}

.btn-dashboard-nav:hover,
.btn-dashboard-nav:focus {
    background: rgba(30, 58, 138, 0.25);
    color: var(--color-primary) !important;
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(30, 58, 138, 0.4);
}

body.dark .btn-dashboard-nav:hover,
body.dark .btn-dashboard-nav:focus {
    background: rgba(96, 165, 250, 0.25);
    box-shadow: 0 6px 16px rgba(96, 165, 250, 0.4);
}

.btn-dashboard-nav::before {
    display: none;
}

/* Dashboard dropdown arrow styling */
.btn-dashboard-nav.dropdown-toggle::after {
    margin-left: calc(var(--spacing-unit) * 0.5);
    border-top-color: var(--color-primary);
    transition: var(--transition-fast);
}

.btn-dashboard-nav.dropdown-toggle:hover::after {
    border-top-color: var(--color-primary);
}

.btn-dashboard-nav[aria-expanded="true"] {
    background: rgba(30, 58, 138, 0.25);
    box-shadow: 0 4px 12px rgba(30, 58, 138, 0.3);
}

body.dark .btn-dashboard-nav[aria-expanded="true"] {
    background: rgba(96, 165, 250, 0.25);
    box-shadow: 0 4px 12px rgba(96, 165, 250, 0.3);
}

.btn-dashboard:hover {
    background: rgba(30, 58, 138, 0.25);
    color: var(--color-primary) !important;
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(30, 58, 138, 0.3);
    border-color: var(--color-primary);
}

body.dark .btn-dashboard:hover {
    background: rgba(96, 165, 250, 0.25);
    box-shadow: 0 6px 16px rgba(96, 165, 250, 0.3);
}

.btn-dashboard.active {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
    color: #FFFFFF !important;
    border-color: var(--color-primary);
}

.btn-dashboard::before {
    display: none;
}

/* Dark Mode Toggle Button */
.theme-toggle {
    background: linear-gradient(135deg, rgba(30, 58, 138, 0.15) 0%, rgba(37, 99, 235, 0.15) 100%);
    border: 2px solid var(--color-primary);
    color: var(--color-primary);
    width: 45px;
    height: 45px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition-smooth);
    margin-left: auto;
    margin-right: calc(var(--spacing-unit) * 1);
    font-size: 1.3rem;
    padding: 0;
    position: relative;
    overflow: hidden;
    box-shadow: 0 4px 12px rgba(30, 58, 138, 0.2);
    order: 2;
}

body.dark .theme-toggle {
    background: linear-gradient(135deg, rgba(96, 165, 250, 0.15) 0%, rgba(59, 130, 246, 0.15) 100%);
    border-color: var(--color-primary);
    box-shadow: 0 4px 12px rgba(96, 165, 250, 0.3);
}

.theme-toggle:hover {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
    border-color: var(--color-primary);
    color: #FFFFFF;
    transform: translateY(-2px) scale(1.05);
    box-shadow: 0 6px 20px rgba(30, 58, 138, 0.4);
}

body.dark .theme-toggle:hover {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
    box-shadow: 0 6px 20px rgba(96, 165, 250, 0.5);
}

.theme-toggle:focus {
    outline: 2px solid var(--navbar-text-hover);
    outline-offset: 2px;
}

.theme-toggle .icon-sun,
.theme-toggle .icon-moon {
    position: absolute;
    transition: opacity 0.3s ease, transform 0.3s ease;
}

.theme-toggle .icon-sun {
    opacity: 1;
    transform: rotate(0deg);
}

.theme-toggle .icon-moon {
    opacity: 0;
    transform: rotate(90deg);
}

body.dark .theme-toggle .icon-sun {
    opacity: 0;
    transform: rotate(90deg);
}

body.dark .theme-toggle .icon-moon {
    opacity: 1;
    transform: rotate(0deg);
}

.navbar-collapse {
    flex-grow: 0 !important;
}

@media (max-width: 991px) {
    /* Mobile and Tablet Styles */
    .navbar {
        position: fixed !important;
        top: 0 !important;
        left: 0 !important;
        right: 0 !important;
        width: 100% !important;
        z-index: 1030;
        transform: translateZ(0);
        -webkit-transform: translateZ(0);
    }
    
    .navbar .container {
        position: relative;
        width: 100%;
        max-width: 100%;
        padding-left: calc(var(--spacing-unit) * 2);
        padding-right: calc(var(--spacing-unit) * 2);
        display: flex;
        flex-wrap: wrap;
        align-items: center;
        justify-content: space-between;
        margin-left: auto;
        margin-right: auto;
    }
    
    .navbar-brand {
        order: 1;
        flex: 1;
        text-align: center;
        margin-left: auto;
        margin-right: auto;
    }
    
    .theme-toggle {
        order: 2;
        margin-left: auto;
        margin-right: calc(var(--spacing-unit) * 1);
        z-index: 1033 !important;
        background: linear-gradient(135deg, rgba(30, 58, 138, 0.15) 0%, rgba(37, 99, 235, 0.15) 100%);
        border: 2px solid var(--color-primary);
        border-radius: 12px;
        box-shadow: 0 4px 12px rgba(30, 58, 138, 0.2);
    }
    
    body.dark .theme-toggle {
        background: linear-gradient(135deg, rgba(96, 165, 250, 0.15) 0%, rgba(59, 130, 246, 0.15) 100%);
        box-shadow: 0 4px 12px rgba(96, 165, 250, 0.3);
    }
    
    .navbar-toggler {
        order: 3;
        margin-left: 0;
        margin-right: 0;
        cursor: pointer !important;
        pointer-events: auto !important;
        z-index: 1033 !important;
        background: transparent !important;
        border: 1px solid var(--navbar-border) !important;
        border-radius: 4px;
        padding: calc(var(--spacing-unit) * 0.75) calc(var(--spacing-unit) * 1.25) !important;
        touch-action: manipulation;
        -webkit-tap-highlight-color: rgba(0, 102, 204, 0.3);
    }
    
    .navbar-toggler:active,
    .navbar-toggler:focus {
        outline: 2px solid rgba(30, 58, 138, 0.5) !important;
        outline-offset: 2px;
        border-color: var(--color-primary) !important;
    }
    
    body.dark .navbar-toggler:active,
    body.dark .navbar-toggler:focus {
        outline-color: rgba(96, 165, 250, 0.5) !important;
    }
    
    .navbar-toggler:hover {
        border-color: var(--color-primary) !important;
        background: rgba(30, 58, 138, 0.1) !important;
    }
    
    body.dark .navbar-toggler:hover {
        background: rgba(96, 165, 250, 0.1) !important;
    }
    
    .navbar-collapse {
        position: fixed !important;
        top: 0 !important;
        right: 0 !important;
        width: 320px !important;
        max-width: 85vw !important;
        height: 100vh !important;
        margin: 0 !important;
        padding-top: calc(var(--spacing-unit) * 10) !important;
        padding-bottom: calc(var(--spacing-unit) * 3) !important;
        padding-left: calc(var(--spacing-unit) * 3) !important;
        padding-right: calc(var(--spacing-unit) * 3) !important;
        border-left: 1px solid var(--navbar-border) !important;
        flex-grow: 1 !important;
        z-index: 1041 !important;
        background: var(--navbar-bg) !important;
        backdrop-filter: blur(20px) !important;
        -webkit-backdrop-filter: blur(20px) !important;
        box-shadow: -8px 0 32px rgba(0, 0, 0, 0.3) !important;
        transform: translateX(100%) !important;
        -webkit-transform: translateX(100%) !important;
        transition: transform 0.3s ease-out !important;
        order: 3;
        text-align: left;
        opacity: 1 !important;
        pointer-events: auto !important;
        overflow-y: auto !important;
        -webkit-overflow-scrolling: touch !important;
    }
    
    body.dark .navbar-collapse {
        box-shadow: -8px 0 32px rgba(0, 0, 0, 0.8) !important;
    }
    
    .navbar-collapse:not(.show) {
        transform: translateX(100%) !important;
        pointer-events: none !important;
        display: none !important;
    }
    
    .navbar-collapse.show {
        display: block !important;
    }
    
    /* Ensure regular nav links are clickable on mobile */
    .navbar-nav .nav-link:not(.dropdown-toggle) {
        pointer-events: auto !important;
        cursor: pointer !important;
    }
    
    .navbar-nav .nav-link:not(.dropdown-toggle):hover {
        pointer-events: auto !important;
    }
    
    .navbar-collapse.show {
        display: block !important;
        visibility: visible !important;
        opacity: 1 !important;
        pointer-events: auto !important;
        transform: translateX(0) !important;
        -webkit-transform: translateX(0) !important;
        z-index: 1042 !important;
    }
    
    /* Ensure menu content is above overlay and fully clickable */
    .navbar-collapse.show .navbar-nav {
        position: relative;
        z-index: 1043 !important;
        pointer-events: auto !important;
    }
    
    .navbar-collapse.show .nav-link {
        position: relative;
        z-index: 1044 !important;
        pointer-events: auto !important;
        cursor: pointer !important;
    }
    
    .navbar-collapse.show .nav-link[href] {
        pointer-events: auto !important;
        cursor: pointer !important;
    }
    
    .navbar-collapse.show .dropdown-menu {
        position: relative !important;
        z-index: 1045 !important;
        pointer-events: auto !important;
        display: none !important;
    }
    
    .navbar-collapse.show .dropdown-menu.show {
        display: block !important;
        visibility: visible !important;
        opacity: 1 !important;
    }
    
    .navbar-collapse.show .dropdown-item {
        position: relative;
        z-index: 1044 !important;
        pointer-events: auto !important;
        cursor: pointer !important;
    }
    
    .navbar-collapse.show .dropdown-item[href] {
        pointer-events: auto !important;
        cursor: pointer !important;
    }
    
    @keyframes fadeIn {
        from {
            opacity: 0;
        }
        to {
            opacity: 1;
        }
    }
    
    .nav-link {
        padding: calc(var(--spacing-unit) * 2) calc(var(--spacing-unit) * 2) !important;
        position: relative !important;
        z-index: 1042 !important;
        display: flex !important;
        align-items: center !important;
        justify-content: flex-start !important;
        width: 100% !important;
        pointer-events: auto !important;
        touch-action: manipulation !important;
        text-align: left !important;
        color: var(--navbar-text) !important;
        opacity: 1 !important;
        visibility: visible !important;
        border-radius: 8px;
        margin-bottom: calc(var(--spacing-unit) * 0.5);
        transition: background-color 0.2s ease;
        font-weight: 500 !important;
    }
    
    /* Ensure nav links are fully clickable */
    .nav-link[href],
    .nav-link {
        pointer-events: auto !important;
        cursor: pointer !important;
        display: flex !important;
        width: 100% !important;
        text-decoration: none !important;
    }
    
    /* Ensure dropdown items are fully clickable */
    .dropdown-item[href],
    .dropdown-item a {
        pointer-events: auto !important;
        cursor: pointer !important;
        display: block !important;
        width: 100% !important;
        text-decoration: none !important;
    }
    
    .nav-link:hover {
        background: rgba(30, 58, 138, 0.1) !important;
    }
    
    body.dark .nav-link:hover {
        background: rgba(96, 165, 250, 0.1) !important;
    }
    
    .btn-login,
    .btn-register,
    .btn-dashboard,
    .btn-dashboard-nav {
        margin-left: 0 !important;
        margin-right: 0 !important;
        margin-top: calc(var(--spacing-unit) * 2) !important;
        display: block !important;
        width: 100% !important;
        max-width: 100% !important;
        text-align: center !important;
        position: relative !important;
        z-index: 1042 !important;
        padding-left: calc(var(--spacing-unit) * 3) !important;
        padding-right: calc(var(--spacing-unit) * 3) !important;
    }
    
    /* Theme toggle in mobile menu */
    .navbar-collapse .theme-toggle {
        margin-left: 0 !important;
        margin-top: calc(var(--spacing-unit) * 2) !important;
        margin-bottom: calc(var(--spacing-unit) * 1) !important;
        align-self: flex-start;
    }
    
    /* Ensure LOGIN button is highly visible on mobile/webview */
    .btn-login {
        background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%) !important;
        color: var(--light-bg) !important;
        font-weight: 700 !important;
        opacity: 1 !important;
        visibility: visible !important;
        display: block !important;
        box-shadow: 0 4px 16px rgba(0, 102, 204, 0.4) !important;
        border: 2px solid var(--academic-blue) !important;
    }
    
    .btn-register,
    .btn-dashboard,
    .btn-dashboard-nav {
        margin-top: calc(var(--spacing-unit) * 1) !important;
    }
    
    .navbar-nav {
        flex-direction: column !important;
        width: 100% !important;
        position: relative !important;
        z-index: 1042 !important;
        align-items: stretch !important;
        text-align: left !important;
        opacity: 1 !important;
        visibility: visible !important;
        display: flex !important;
        gap: calc(var(--spacing-unit) * 0.5) !important;
    }
    
    .navbar-nav .nav-item {
        width: 100% !important;
        text-align: left !important;
        opacity: 1 !important;
        visibility: visible !important;
        display: block !important;
    }
    
    .navbar-nav .nav-link {
        text-align: left !important;
        justify-content: flex-start !important;
        display: flex !important;
        align-items: center !important;
        opacity: 1 !important;
        visibility: visible !important;
        color: var(--navbar-text) !important;
    }
    
    .navbar-nav .nav-link:hover {
        color: var(--navbar-text-hover) !important;
        background: rgba(0, 102, 204, 0.1) !important;
    }
    
    body.dark .navbar-nav .nav-link:hover {
        background: rgba(96, 165, 250, 0.1) !important;
    }
    
    .navbar-nav .dropdown-toggle {
        color: var(--navbar-text) !important;
        font-weight: 500 !important;
    }
    
    .navbar-nav .dropdown-toggle:hover {
        color: var(--navbar-text-hover) !important;
        background: rgba(30, 58, 138, 0.1) !important;
    }
    
    body.dark .navbar-nav .dropdown-toggle:hover {
        background: rgba(96, 165, 250, 0.1) !important;
    }
    
    body.dark .navbar-nav .dropdown-toggle:hover {
        background: rgba(96, 165, 250, 0.1) !important;
    }
    
    .dropdown {
        position: static !important;
        width: 100%;
        pointer-events: auto !important;
        margin-bottom: calc(var(--spacing-unit) * 0.5);
    }
    
    .dropdown-toggle {
        pointer-events: auto !important;
        cursor: pointer !important;
        user-select: none;
        -webkit-user-select: none;
        touch-action: manipulation;
        -webkit-tap-highlight-color: rgba(0, 102, 204, 0.2);
        width: 100%;
        display: flex;
        align-items: center;
        justify-content: center;
        position: relative;
        z-index: 1033;
        -webkit-touch-callout: none;
        -webkit-user-drag: none;
        background: transparent;
        border: none;
        text-align: center;
    }
    
    .dropdown-toggle * {
        pointer-events: none;
    }
    
    .dropdown-toggle::after {
        pointer-events: none;
    }
    
    .dropdown-toggle:active,
    .dropdown-toggle:focus {
        opacity: 0.8;
        outline: none;
    }
    
    .dropdown-toggle:hover {
        color: var(--color-primary);
    }
    
    .dropdown-toggle::after {
        position: absolute;
        right: calc(var(--spacing-unit) * 2);
        margin-top: calc(var(--spacing-unit) * 0.5);
        transition: transform 0.3s ease;
    }
    
    .dropdown-toggle[aria-expanded="true"]::after,
    .dropdown-menu.show ~ .dropdown-toggle::after {
        transform: rotate(180deg);
    }
    
    .dropdown-menu {
        position: static !important;
        float: none !important;
        width: 100% !important;
        max-width: 100% !important;
        margin-left: 0 !important;
        margin-right: 0 !important;
        margin-top: calc(var(--spacing-unit) * 0.5) !important;
        margin-bottom: calc(var(--spacing-unit) * 1) !important;
        padding: calc(var(--spacing-unit) * 1) !important;
        border-radius: 12px;
        box-shadow: 0 4px 16px rgba(0, 0, 0, 0.3) !important;
        background: var(--navbar-bg) !important;
        backdrop-filter: blur(20px) !important;
        -webkit-backdrop-filter: blur(20px) !important;
        border: 1px solid var(--navbar-border) !important;
        z-index: 1045 !important;
        pointer-events: auto !important;
        display: none !important;
        opacity: 1 !important;
        visibility: visible !important;
        text-align: left !important;
        box-sizing: border-box !important;
        overflow: visible !important;
        max-height: none !important;
    }
    
    .dropdown-item {
        text-align: left !important;
        justify-content: flex-start !important;
        display: flex !important;
        align-items: center !important;
        pointer-events: auto !important;
        cursor: pointer !important;
        z-index: 1043 !important;
        position: relative;
        touch-action: manipulation;
        -webkit-tap-highlight-color: rgba(0, 102, 204, 0.2);
        min-height: 44px;
        padding: calc(var(--spacing-unit) * 1.5) calc(var(--spacing-unit) * 2) !important;
        padding-left: calc(var(--spacing-unit) * 2.5) !important;
        padding-right: calc(var(--spacing-unit) * 2) !important;
        color: var(--navbar-text) !important;
        background: rgba(0, 102, 204, 0.05) !important;
        border-radius: 8px;
        margin-bottom: calc(var(--spacing-unit) * 0.5) !important;
        border: 1px solid rgba(0, 102, 204, 0.15) !important;
        font-size: 0.75rem !important;
        font-weight: 500 !important;
        line-height: 1.4 !important;
        word-wrap: break-word !important;
        overflow-wrap: break-word !important;
        white-space: normal !important;
        width: 100% !important;
        box-sizing: border-box !important;
    }
    
    body.dark .dropdown-menu {
        background: var(--navbar-bg) !important;
        border: 1px solid var(--navbar-border) !important;
    }
    
    body.dark .dropdown-item {
        background: rgba(255, 255, 255, 0.03) !important;
        border: 1px solid rgba(255, 255, 255, 0.08) !important;
    }
    
    /* Ensure dropdown items are clickable links */
    .dropdown-item a,
    .dropdown-item[href] {
        pointer-events: auto !important;
        cursor: pointer !important;
        display: block !important;
        width: 100% !important;
        text-decoration: none !important;
    }
    
    .dropdown-menu:not(.show) {
        display: none !important;
        visibility: hidden !important;
        transform: none !important;
        top: auto !important;
        left: auto !important;
        right: auto !important;
        max-height: none !important;
        opacity: 0 !important;
    }
    
    .dropdown-menu.show {
        display: block !important;
        visibility: visible !important;
        pointer-events: auto !important;
        opacity: 1 !important;
        transform: none !important;
        position: static !important;
    }
    
    .dropdown-item:active {
        background: rgba(0, 102, 204, 0.25) !important;
        color: var(--navbar-text-hover) !important;
        border-color: rgba(0, 102, 204, 0.3) !important;
    }
    
    .dropdown-item:hover {
        background: rgba(0, 102, 204, 0.15) !important;
        color: var(--navbar-text-hover) !important;
        border-color: rgba(0, 102, 204, 0.25) !important;
    }
}

/* Mobile specific styles (max-width: 768px) */
@media (max-width: 768px) {
    .dropdown-toggle {
        min-height: 48px;
        padding: calc(var(--spacing-unit) * 2) calc(var(--spacing-unit) * 2) !important;
        font-size: 0.875rem;
        -webkit-tap-highlight-color: rgba(0, 102, 204, 0.3);
    }
    
    .dropdown-toggle::after {
        margin-top: calc(var(--spacing-unit) * 0.75);
        font-size: 0.75rem;
    }
    
    .dropdown-menu {
        margin-top: calc(var(--spacing-unit) * 1) !important;
        padding: calc(var(--spacing-unit) * 1) !important;
        margin-left: calc(var(--spacing-unit) * 1.5) !important;
        margin-right: calc(var(--spacing-unit) * 1.5) !important;
        width: calc(100% - calc(var(--spacing-unit) * 3)) !important;
        max-width: calc(100% - calc(var(--spacing-unit) * 3)) !important;
        background: rgba(255, 255, 255, 0.95) !important;
        border: 1px solid rgba(0, 102, 204, 0.15) !important;
        box-shadow: 0 4px 16px rgba(0, 0, 0, 0.3) !important;
        box-sizing: border-box !important;
        overflow: hidden !important;
    }
    
    .dropdown-item {
        min-height: 44px;
        padding: calc(var(--spacing-unit) * 1.25) calc(var(--spacing-unit) * 1.5) !important;
        font-size: 0.75rem !important;
        line-height: 1.4 !important;
        -webkit-tap-highlight-color: rgba(0, 102, 204, 0.2);
        color: var(--navbar-text) !important;
        background: rgba(0, 102, 204, 0.05) !important;
        border-radius: 8px;
        margin-bottom: calc(var(--spacing-unit) * 0.5) !important;
        border: 1px solid rgba(0, 102, 204, 0.15) !important;
        word-wrap: break-word !important;
        overflow-wrap: break-word !important;
        white-space: normal !important;
        width: 100% !important;
        box-sizing: border-box !important;
    }
    
    .dropdown-item:hover,
    .dropdown-item:focus {
        background: rgba(30, 58, 138, 0.15) !important;
        color: var(--navbar-text-hover) !important;
        border-color: rgba(30, 58, 138, 0.25) !important;
    }
    
    body.dark .dropdown-item:hover,
    body.dark .dropdown-item:focus {
        background: rgba(96, 165, 250, 0.15) !important;
        border-color: rgba(96, 165, 250, 0.25) !important;
    }
    
    .dropdown-item:active {
        background: rgba(30, 58, 138, 0.25) !important;
        color: var(--navbar-text-hover) !important;
        border-color: rgba(30, 58, 138, 0.3) !important;
    }
    
    body.dark .dropdown-item:active {
        background: rgba(96, 165, 250, 0.25) !important;
        border-color: rgba(96, 165, 250, 0.3) !important;
    }
    
    .nav-link {
        min-height: 44px;
        padding: calc(var(--spacing-unit) * 2) calc(var(--spacing-unit) * 2) !important;
        display: flex;
        align-items: center;
    }
    
    .navbar-collapse {
        padding-left: calc(var(--spacing-unit) * 2) !important;
        padding-right: calc(var(--spacing-unit) * 2) !important;
        width: 300px !important;
        max-width: 80vw !important;
    }
    
    .navbar-collapse.show {
        transform: translateX(0) !important;
    }
    
    .btn-login,
    .btn-register,
    .btn-dashboard,
    .btn-dashboard-nav {
        width: calc(100% - calc(var(--spacing-unit) * 4));
        margin-left: calc(var(--spacing-unit) * 2);
        margin-right: calc(var(--spacing-unit) * 2);
        padding-left: calc(var(--spacing-unit) * 3) !important;
        padding-right: calc(var(--spacing-unit) * 3) !important;
    }
}

@media (max-width: 991px) {
    body {
        padding-top: 80px;
    }
}

/* Tablet specific fixes (768px - 991px) */
@media (min-width: 768px) and (max-width: 991px) {
    .dropdown-toggle {
        min-height: 48px;
        padding: calc(var(--spacing-unit) * 1.5) calc(var(--spacing-unit) * 2);
    }
    
    .dropdown-item {
        min-height: 48px;
        padding: calc(var(--spacing-unit) * 2) calc(var(--spacing-unit) * 2.5);
    }
    
    .navbar-collapse {
        max-height: calc(100vh - 90px);
        padding-left: calc(var(--spacing-unit) * 3);
        padding-right: calc(var(--spacing-unit) * 3);
    }
    
    .btn-login,
    .btn-register,
    .btn-dashboard,
    .btn-dashboard-nav {
        width: calc(100% - calc(var(--spacing-unit) * 6));
        max-width: 300px;
        margin-left: auto;
        margin-right: auto;
        padding-left: calc(var(--spacing-unit) * 3) !important;
        padding-right: calc(var(--spacing-unit) * 3) !important;
    }
    
    .nav-link {
        padding-left: calc(var(--spacing-unit) * 3) !important;
        padding-right: calc(var(--spacing-unit) * 3) !important;
    }
}

/* Large Tablet (992px - 1024px) - Ensure register button is visible */
@media (min-width: 992px) and (max-width: 1024px) {
    .navbar-nav {
        flex-wrap: wrap;
        gap: calc(var(--spacing-unit) * 0.25);
    }
    
    .nav-link {
        font-size: 0.7rem;
        padding: calc(var(--spacing-unit) * 1) calc(var(--spacing-unit) * 0.75) !important;
    }
    
    .btn-login,
    .btn-register,
    .btn-dashboard,
    .btn-dashboard-nav {
        font-size: 0.7rem;
        padding: calc(var(--spacing-unit) * 0.75) calc(var(--spacing-unit) * 2) !important;
        margin-left: calc(var(--spacing-unit) * 0.25) !important;
        white-space: nowrap;
    }
    
    .navbar-brand {
        font-size: 1.1rem;
        margin-right: calc(var(--spacing-unit) * 0.75);
    }
}