/* Navigation styles */
.nav-menu {
    background-color: var(--primary-color);
    padding: 0 var(--spacing-md);
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-sm) 0;
}

.hamburger {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--spacing-sm);
}

.hamburger span {
    display: block;
    width: 25px;
    height: 3px;
    background-color: var(--white);
    margin: 5px 0;
    transition: 0.3s;
}

.nav-list {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    align-items: center;
    flex: 1;
}

.nav-item {
    position: relative;
}

.nav-link {
    color: var(--white);
    text-decoration: none;
    padding: var(--spacing-md) var(--spacing-lg);
    display: block;
    transition: background-color var(--transition-normal);
}

.nav-link:hover {
    background-color: var(--primary-hover);
}

.nav-link.active {
    background-color: var(--primary-hover);
}

/* Submenu styles */
.submenu {
    position: absolute;
    top: 100%;
    left: 0;
    background-color: var(--primary-color);
    min-width: 200px;
    max-width: 250px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    border-radius: var(--border-radius-sm);
    display: none;
    z-index: 1001;
    overflow: hidden;
}

.nav-item:hover .submenu {
    display: block;
}

.submenu-link {
    color: var(--black);
    text-decoration: none;
    padding: var(--spacing-sm) var(--spacing-md);
    display: block;
    transition: all var(--transition-normal);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.submenu-link:hover {
    background-color: var(--primary-color);
    color: var(--white);
}

.submenu-link.active {
    background-color: var(--primary-color);
    color: var(--white);
    font-weight: bold;
}

/* User menu styles */
.user-menu {
    margin-left: auto;
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    justify-content: flex-end;
    order: 2;
}

.user-info {
    color: var(--white);
    padding: var(--spacing-sm) var(--spacing-md);
}

.profile-link {
    background-color: transparent;
    color: var(--white);
    padding: 0;
    text-decoration: none;
    transition: color var(--transition-normal);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    width: auto;
    height: auto;
    border-radius: 0;
}

.profile-link:hover {
    background-color: transparent;
    color: var(--secondary-hover);
    transform: scale(1.1);
}

.logout-button {
    background-color: var(--danger-color);
    color: var(--white);
    border: none;
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--border-radius-sm);
    cursor: pointer;
    transition: background-color var(--transition-normal);
}

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

/* Responsive adjustments */
@media (max-width: 768px) {
    .hamburger {
        display: block;
    }

    .nav-list {
        position: fixed;
        top: 0;
        left: -100%;
        width: 85%;
        max-width: 300px;
        height: 100vh;
        background-color: var(--primary-color);
        flex-direction: column;
        align-items: stretch;
        padding: var(--spacing-lg);
        transition: 0.3s;
        overflow-y: auto;
    }

    .nav-list.active {
        left: 0;
    }

    .nav-item {
        width: 100%;
    }

    .submenu {
        position: static;
        width: 100%;
        max-width: 100%;
        box-shadow: none;
        border-radius: 0;
        background-color: var(--primary-color);
        margin-left: var(--spacing-md);
        display: none;
    }

    .nav-item:hover .submenu,
    .nav-item.active .submenu {
        display: block;
    }

    .user-menu {
        margin-left: 0;
        justify-content: flex-start;
        padding: var(--spacing-md);
        flex-direction: column;
        order: 3;
    }

    /* Hamburger animation */
    .hamburger.active span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }

    .hamburger.active span:nth-child(2) {
        opacity: 0;
    }

    .hamburger.active span:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -6px);
    }
}