:root {
    --topmenu-bg: #223354;
    --topmenu-bg-hover: #2a406a;
    --topmenu-accent: #3ec6f9;
    --topmenu-text: #f4f8fb;
    --topmenu-text-muted: #b0bed9;
    --topmenu-border: #2e4367;
    --topmenu-dropdown-bg: #263a5a;
    --topmenu-dropdown-hover: #3ec6f9;
}

.topmenu-navbar {
    background: var(--topmenu-bg);
    border-bottom: 1.5px solid var(--topmenu-border);
    box-shadow: 0 2px 12px rgba(34, 51, 84, 0.08);
    padding: 0.5rem 0;
    position: sticky;
    top: 0;
    z-index: 1020;
}

.topmenu-nav-toggler {
    border: 1px solid var(--topmenu-border);
    border-radius: 8px;
    background: transparent;
}

    .topmenu-nav-toggler .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(62,198,249,0.8)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
    }

.topmenu-nav-link {
    color: var(--topmenu-text-muted);
    padding: 0.6rem 1.2rem;
    border-radius: 8px;
    display: flex;
    flex-direction: column;
    align-items: center;
    min-width: 90px;
    border: 2px solid transparent;
    background: transparent;
    transition: background 0.18s, color 0.18s, border 0.18s, box-shadow 0.18s, transform 0.18s;
    font-weight: 500;
    position: relative;
}

    .topmenu-nav-link:hover,
    .topmenu-nav-link:focus {
        background: var(--topmenu-bg-hover);
        color: var(--topmenu-accent);
        border-color: var(--topmenu-accent);
        box-shadow: 0 2px 8px rgba(62,198,249,0.08);
        transform: translateY(-2px) scale(1.04);
        text-decoration: none;
    }

    .topmenu-nav-link.active {
        color: var(--topmenu-accent);
        background: var(--topmenu-bg-hover);
        border-color: var(--topmenu-accent);
        box-shadow: 0 2px 8px rgba(62,198,249,0.12);
        font-weight: 600;
        transform: none;
    }

.topmenu-icon-container {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 38px;
    width: 38px;
    border-radius: 50%;
    background: rgba(62,198,249,0.08);
    margin-bottom: 0.3rem;
    transition: background 0.18s, box-shadow 0.18s;
}

.topmenu-nav-link:hover .topmenu-icon-container,
.topmenu-nav-link.active .topmenu-icon-container {
    background: var(--topmenu-accent);
    box-shadow: 0 2px 8px rgba(62,198,249,0.18);
}

.topmenu-nav-icon {
    font-size: 1.15rem;
    color: var(--topmenu-text-muted);
    transition: color 0.18s;
}

.topmenu-nav-link:hover .topmenu-nav-icon,
.topmenu-nav-link.active .topmenu-nav-icon {
    color: var(--topmenu-bg);
}

.topmenu-nav-text {
    font-size: 0.92rem;
    font-weight: 500;
    letter-spacing: 0.01em;
    color: inherit;
    transition: color 0.18s;
}

.topmenu-dropdown-menu {
    background: var(--topmenu-dropdown-bg);
    border: 1px solid var(--topmenu-border);
    box-shadow: 0 8px 24px rgba(34, 51, 84, 0.13);
    border-radius: 10px;
    margin-top: 0.5rem;
    padding: 0.6rem 0;
    min-width: 200px;
    animation: dropdownFade 0.22s ease;
}

@@keyframes dropdownFade {
    from {
        opacity: 0;
        transform: translateY(-5px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.topmenu-dropdown-item {
    color: var(--topmenu-text-muted);
    padding: 0.6rem 1.2rem;
    border-radius: 6px;
    margin: 0.1rem 0.5rem;
    width: calc(100% - 1rem);
    font-weight: 500;
    font-size: 0.93rem;
    transition: background 0.18s, color 0.18s, transform 0.18s;
}

    .topmenu-dropdown-item i {
        color: var(--topmenu-accent);
        opacity: 0.8;
        width: 1.5em;
        text-align: center;
    }

    .topmenu-dropdown-item:hover,
    .topmenu-dropdown-item:focus {
        background: var(--topmenu-dropdown-hover);
        color: var(--topmenu-bg);
        transform: translateX(4px);
    }

        .topmenu-dropdown-item:hover i,
        .topmenu-dropdown-item:focus i {
            color: var(--topmenu-bg);
            opacity: 1;
        }

.topmenu-dropdown-divider {
    border-color: var(--topmenu-border);
    opacity: 0.5;
    margin: 0.5rem 0;
}

@@media (max-width: 992px) {
    .topmenu-navbar {
        padding: 0.5rem 0;
    }

    .topmenu-nav-link {
        flex-direction: row;
        justify-content: flex-start;
        min-width: auto;
        padding: 0.6rem 0.8rem;
        margin: 0.3rem 0;
        border-radius: 8px;
        border: none;
        background: transparent;
    }

    .topmenu-icon-container {
        height: 32px;
        width: 32px;
        margin-bottom: 0;
        margin-right: 0.7rem;
    }

    .topmenu-nav-icon {
        font-size: 1rem;
    }

    .topmenu-nav-text {
        font-size: 1rem;
    }

    .topmenu-dropdown-menu {
        background: var(--topmenu-bg-hover);
        border: none;
        box-shadow: 0 2px 8px rgba(62,198,249,0.10);
        border-radius: 8px;
        margin: 0.3rem 0.5rem 0.3rem 1.5rem;
        padding: 0.4rem;
    }

    .topmenu-dropdown-item {
        border-radius: 6px;
        padding: 0.5rem 1rem;
    }
}