.navbar {
    background-color: var(--bg-color);
    height: 60px;
    width: 100%;
}

.navbar .container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1rem;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 60px;
}

.navbar .nav-content {
    width: 100%;
    max-width: 1200px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.logo a {
    font-size: 1.65rem;
    font-weight: bold;
    user-select: none;
    color: var(--text-color);
}

.separator {
    color: var(--text-color);
    font-size: 1.2rem;
    opacity: 0.6;
}

.nav-links {
    display: flex;
    list-style: none;
    align-items: center;
    margin-right: 60px;
}

.nav-links li {
    margin-left: 2rem;
}

.nav-links a {
    color: var(--text-color);
    text-decoration: none;
    font-size: 1.10rem;
    cursor: pointer;
    position: relative;
    transition: color 0.3s ease;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--text-color);
}

.nav-links a.active::after {
    width: 100%;
}



.language-switch {
    position: relative;
    display: inline-block;
}

.language-icon {
    background: none;
    border: none;
    color: var(--text-color);
    cursor: pointer;
    font-size: 1.2rem;
    padding: 8px;
    border-radius: 50%;
    transition: background-color 0.3s;
}

.language-icon:hover {
    background-color: rgba(255, 255, 255, 0.1);
}

.language-menu {
    display: none;
    position: absolute;
    background-color: var(--bg-color);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    top: 54px;
    right: 0;
    z-index: 1000;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.2);
    margin-top: -5px;
}

.language-menu.show {
    display: block;
}

.language-menu a {
    display: block;
    padding: 8px 16px;
    color: var(--text-color);
    text-decoration: none;
    cursor: pointer;
}

.language-menu a:hover {
    background-color: var(--hover-bg);
}


.theme-switch {
    background: none;
    border: none;
    color: var(--text-color);
    cursor: pointer;
    font-size: 1rem;
    padding: 4px;
    border-radius: 50%;
    transition: background-color 0.3s;
    display: flex;
    align-items: center;
    justify-content: center;
}

.theme-switch:hover {
    background-color: var(--hover-bg);
}


.button {
    margin-left: 1rem;
    background: none;
    border: none;
    color: var(--text-color);
    cursor: pointer;
    font-size: 1.2rem;
    padding: 8px;
    border-radius: 50%;
    transition: background-color 0.3s;
}

.button:hover {
    background-color: var(--hover-bg);
}


.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 1001;
    opacity: 0;
    transition: opacity 0.3s ease;
    pointer-events: none;
}

.modal.show {
    display: flex;
    opacity: 1;
    pointer-events: auto;
    align-items: center;
    justify-content: center;
}

.modal-content {
    background-color: var(--bg-color);
    margin: 20px;
    padding: 20px;
    border-radius: 8px;
    width: 80%;
    max-width: 500px;
    position: relative;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

.close-button {
    position: absolute;
    right: 20px;
    top: 10px;
    font-size: 24px;
    cursor: pointer;
    color: var(--text-color);
}

.text-content {
    margin-top: 1em;
}

.text-content a {
    text-decoration: none;
    color: var(--progress-fill);
}

.text-content p {
    padding-bottom: 0.5em;
}

.info-title {
    font-size: 1.2em;
    font-weight: bold;
}

.mobile-only {
    display: none;
}

.mobile-menu {
    display: none;
}

@media (max-width: 1200px) {
    .navbar .container {
        padding: 0 1rem;
    }

    .navbar .nav-content {
        max-width: none;
        width: 100%;
    }

    .logo a {
        font-size: 1.6rem;
        white-space: nowrap;
    }

    .nav-links {
        display: none;
    }

    .desktop-only {
        display: none;
    }

    .mobile-only {
        display: block;
    }

    .hamburger-btn {
        display: block;
        background: none;
        border: none;
        color: var(--text-color);
        cursor: pointer;
        font-size: 1.2rem;
        padding: 8px;
        margin-left: 1rem;
    }

    .mobile-menu {
        display: none;
        position: absolute;
        top: 60px;
        left: 0;
        width: 100%;
        background-color: var(--nav-bg);
        border-top: 1px solid var(--border-color);
        box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
        z-index: 999;
        padding-top: 5px;
        padding-bottom: 5px;
    }

    .mobile-menu.show {
        display: block;
    }

    .mobile-menu a {
        display: flex;
        align-items: center;
        padding: 12px 20px;
        color: var(--text-color);
        text-decoration: none;
        font-size: 1.1rem;
        border-bottom: 1px solid var(--border-color);
    }

    .mobile-menu a:last-child {
        border-bottom: none;
    }

    .mobile-menu a i {
        margin-right: 10px;
        width: 20px;
        text-align: center;
    }

    .mobile-menu a span {
        font-size: 1rem;
    }

    .mobile-menu a:hover {
        background-color: var(--hover-bg);
    }

    .mobile-menu a {
        position: relative;
    }

    .mobile-menu a::after {
        content: '';
        position: absolute;
        bottom: 8px;
        left: 20px;
        width: 0;
        height: 2px;
        background-color: var(--text-color);
    }

    .mobile-menu a.active::after {
        width: calc(100% - 40px);
    }


    .mobile-submenu {
        display: none;
        padding-left: 30px;
        background-color: rgba(0, 0, 0, 0.05);
    }

    .mobile-submenu.show {
        display: block;
    }

    .mobile-submenu a {
        font-size: 1rem;
        padding: 10px 5px 10px 15px;
        border-bottom: 1px solid rgba(0, 0, 0, 0.05);
        user-select: none;
    }

    .mobile-submenu a:last-child {
        border-bottom: none;
    }


    .menu-arrow {
        margin-left: auto;
        font-size: 0.8em;
        transition: transform 0.3s ease;
    }

    .mobile-menu-toggle.active .menu-arrow {
        transform: rotate(180deg);
    }

    .language-menu {
        display: none !important;
    }
}