:root {
    --background-color: #181a1b;
    --foreground-color: #e8e6e3;
    --primary-color: #1f2223;
    --accent-color: #4f8cff;
    --border-color: #333;
}

body {
    background-color: var(--background-color);
    color: var(--foreground-color);
    font-family: 'Segoe UI', Arial, sans-serif;
    margin: 0;
    min-height: 100vh;
}

a {
    color: var(--accent-color);
}

header, footer, nav {
    background-color: var(--primary-color);
    border-bottom: 1px solid var(--border-color);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1rem;
}

nav.custom-navbar .navbar-nav {
    display: flex !important;
    flex-direction: row !important;
    justify-content: center;
    width: 100%;
}

.custom-navbar .nav-item {
    margin: 0 0.5rem;
}

.custom-navbar .nav-link {
    color: var(--foreground-color) !important;
    padding: 0.75rem 1.25rem;
    border-radius: 0.25rem;
    font-size: 1.1rem;
    font-weight: 500;
    transition: background 0.2s, color 0.2s;
}

.custom-navbar .nav-link:hover,
.custom-navbar .nav-link:focus {
    background: var(--accent-color);
    color: #fff !important;
}

.custom-navbar .dropdown-menu {
    background-color: var(--primary-color);
    border: 1px solid var(--border-color);
}

.custom-navbar .dropdown-item {
    color: var(--foreground-color);
    transition: background 0.2s, color 0.2s;
}

.custom-navbar .dropdown-item:hover,
.custom-navbar .dropdown-item:focus {
    background-color: var(--accent-color);
    color: #fff;
}

@media (max-width: 768px) {
    .container {
        padding: 0.5rem;
    }
    header, footer, nav {
        font-size: 1rem;
        padding: 0.5rem;
    }
    body {
        font-size: 1rem;
    }
    .custom-navbar .navbar-nav {
        flex-direction: column;
        align-items: stretch;
    }
    .custom-navbar .nav-item {
        margin: 0;
    }
    .custom-navbar .nav-link {
        padding: 0.75rem 1rem;
        border-radius: 0;
    }
}