/* Header */

a.site-header
{
    text-decoration: none;
    color: var(--color-secondary);
}

/* ================================================= */

/* Navigation */
.sidebar
{    
    grid-column: span 1;
    background: var(--color-sidebar);
    width: var(--sb-width);
    padding: 0.2rem 1.3rem 0rem 0rem;
    height: 95vh;
    position: sticky;
    align-self: start;
    top: 3.05rem;
    text-wrap: nowrap;

    a
    {
        display: flex;
        align-items: center;
        gap: 0.7rem;
        padding: 0.7rem;
        margin-right: 0.7rem;
        border-radius: 0.5rem;
        font-size: 16pt;
        text-decoration: none;
        color: var(--color-accent);
    }

    a.active-page,
    a:hover,
    a:focus-visible 
    {
        color: var(--color-sidebar);
        background-color: var(--color-accent);
    }

    ul 
    {
        height: 100%;
        cursor: pointer;
        list-style-type: none;
        display: flex;
        flex-flow: column;
        gap: 0.25rem;
    }

    /* Seperate out the first child to act as a collapse icon */
    ul:not(.sub-menu) > li:first-child
    {
        margin-bottom: 3rem;
    }

    /* Seperate out the last child to act as a dark mode toggle */
    ul:not(.sub-menu) > li:last-child
    {
        margin-top: auto;
        padding-bottom: 2rem;
    }

    /* Sidebar dropdowns */
    .sub-menu 
    {
        display: grid;
        grid-template-rows: 0fr;
        transition: 0.3s ease;
        padding-left: 2.4rem;

        > div 
        {
            overflow: hidden;
        }
        a
        {
            font-weight: normal;
        }
    }

    .sub-menu.show-submenu
    {
        grid-template-rows: 1fr;
    }
}

/* Update elements when sidebar is collapsed */
:not(body.sb-collapsed) 
{
    .sidebar a span,
    .sidebar a span + i
    {
        flex-grow: 1;
        opacity: 1;
        visibility: visible;
        transition:
            rotate 0.2s ease,
            opacity 0.2s ease,
            visibility 0.2s ease;
    }
}

body.sb-collapsed 
{    
    --sb-width: 6rem;
    --sb-adjustment: var(--sb-min-adjustment);

    .sidebar a span,
    .sidebar a span + i
    {
        opacity: 0;
        visibility: hidden;
    }

    aside .fa-angle-double-left 
    {
        rotate: 180deg;
    }
}

aside .fa-angle-double-left
{
    transition: 
        rotate 0.2s ease;
}

.rotate
{
    rotate: 90deg;
}

/* ================================================= */

/* tooltips */
.tooltip .tooltip-left
{
    position: relative;
    display: inline-block;
    border-bottom: 1px dotted var(--color-tooltip);
}

.tooltip .tooltip-text, 
.tooltip-left .tooltip-text 
{
    width: 120px;
    background-color: var(--background-tooltip);
    color: var(--color-tooltip);
    text-align: center;
    border-radius: 6px;
    padding: 5px 0;
    position: absolute;
    opacity: 0;
    transition: opacity 0.3s;
}

.tooltip .tooltip-text
{
    z-index: 1;
    bottom: 125%;
    left: 50%;
    margin-left: -60px;
}

.tooltip-left .tooltip-text
{
    right: 2.25em;
    margin-top: -0.25em;
}

.tooltip .tooltip-text::after,
.tooltip-left .tooltip-text::after 
{
    content: "";
    position: absolute;
    top: 100%;
    left: 50%;
}

.tooltip .tooltip-text::after
{
    border-width: 5px;
    border-style: solid;
    border-color: var(--background-tooltip) transparent transparent transparent;
}

.tooltip-left .tooltip-text::after
{
    margin-left: 3.7em;
    top: 0.5em;
    border-width: 5px;
    border-style: solid;
    border-color: transparent transparent transparent var(--background-tooltip);
}

.tooltip:hover .tooltip-text,
.tooltip-left:hover .tooltip-text 
{
    opacity: 1;
    transition-delay: 1.5s;
}

/* ================================================= */

/* scroll to top */
#scroll-to-top
{    
    position: fixed; 
    opacity: 0;

    background-color: var(--color-tertiary);
    border: 0.5em solid var(--color-tertiary);
    border-radius: 0.25em;
    color: var(--color-primary);
    right: -5em;
    top: 90%;

    transition: 
        visibility 0.3s,
        opacity 0.6s ease,
        right 0.5s ease-out;

}

/* ================================================= */

/* Buttons */
.button, button, #theme-toggle, #toggle-sidebar
{
    font-weight: normal;
}

.button, button
{
    display: flex;
    background-color: var(--color-sidebar);
    color: var(--color-secondary);
    border: 1px solid var(--color-tertiary);
    border-radius: 0.5em;
    align-items: center;
    justify-content: center;
    text-decoration: none; 
    cursor: pointer;   
}
.button:hover,
button:hover
{
    color: var(--color-primary);
    background-color: var(--color-tertiary);
    transition: background-color 0.2s ease-in-out, color 0.2s ease-in-out;
}

/* ================================================= */

/* Project Preview */

article.project
{
    display: flex;

    border: 1px solid var(--color-tertiary);
    border-radius: 1em;
    margin: 20px 10px;
    padding: 1em 1em 1em 0;

    > div.image-column
    {
        display: flex;
        flex-flow: column;
        align-items: center;

        /* Image preview */
        > a.image
        {            
            overflow: hidden;
            margin: 0.5em;
            border: 0;

            > img
            {
                width: 10em;
                padding: 0.5em;
                transition: transform 0.2s ease;
            }
        }

        /* Read more button */
        > a.button.read-more
        {          
            width: 8em;
            height: 2.5em;
        }
    }

    > div.detail-column 
    {
        display: flex;
        flex-flow: column;

        /* Project title */
        > h2
        {
            padding-top: 0.5em;
            margin: 0;
        }
        /* Project summary */
        > p 
        {
            background-color: var(--color-sidebar);
            border-radius: 0.25em;
            padding: 0.5em;
            max-height: 6.5rem;
            overflow: auto;
        }
    }
}

/* ================================================= */

/* Filters styling */

.filters 
{
    padding-top: 2rem;

    > div
    {
        display: flex;
        margin: 0;
        padding: 0 0.5rem;
        gap: 0.5rem;
    
        > button:first-child
        {
            border-color: var(--color-accent);
            background-color: var(--color-accent-darker);
            padding: 0.25rem 0.5rem;
        }
    }
}

button.filter
{
    width: fit-content;
    font-size: 12pt;
    padding: 0.25rem;
}

/* ================================================= */

/* Message styling */
.msg:before 
{
    font-family: 'Font Awesome 7 Free';
}

.msg
{
    width: fit-content;
    height: auto;
    margin: 0 auto 0.5rem 0;
    font: 800 1.5rem/1em var(--ff);
    display: flex;
    flex-flow: row;
    padding: 1rem;
    gap: 1rem;

    border-radius: 1rem;
}

/* Message types */

#info:before    {content: '\f05a';}
#success:before {content: '\f00c';}
#warning:before {content: '\f071';}
#error:before   {content: '\f057';}

#info
{
    color: var(--color-info);
    background: var(--background-info);
}

#success 
{
    color: var(--color-success);
    background: var(--background-success);
}

#warning 
{
    color: var(--color-warning);
    background: var(--background-warning);
}

#error 
{
    color: var(--color-error);
    background: var(--background-error);
}