:root {
	/* --- Common measures --- */

	--nav-tab-extension: 0.5rem; /* extent of navbar pop tabs so that the bottom edge isn't seen during "jump" */
	--nav-tab-jump-room: 0.5rem; /* extra padding space for tab jump animation, so that top edge isn't clipped */
	--nav-tab-peek:      0.5rem; /* resting (non :hover) "peek" distance for the tab of the current page group */
	--nav-tab-rest:      0rem;   /* no "peek" for inactive tabs; sel. --nav-tab-peek for current category */

	--fluid-pad: clamp(0.5rem, 7vw - 1rem, 1rem); /* squoosh on narrower displays */

	/* --- Palettes & coloring --- */

	color-scheme: light; /* flashbangmaxxing until i clean up later */

	--palette-home:        #02b; /* Home: blue */
	--palette-home-bg:     #cdf;
	--palette-projects:    #a02; /* Projects: red */
	--palette-projects-bg: #fcd;
	--palette-blog:        #160; /* Blog: green */
	--palette-blog-bg:     #dfc;
	--palette-about:       #707; /* About: purple */
	--palette-about-bg:    #fcf;

	--palette-current:    #888; /* selected to one of the above based on data-category */
	--palette-current-bg: #eee;

	--palette-main-bg:   light-dark(#eee, #222); /* background color of page body */
	--palette-main-fg:   light-dark(#222, #eee); /* element color of page body */
	--palette-header-bg: light-dark(#223, #223); /* background color of header+footer */
	--palette-header-fg: light-dark(#fff, #fff); /* element color of header+footer */
	--palette-subtext:   light-dark(#555, #bbb); /* element color for de-emphasis */
}

@media(prefers-color-scheme: light) {
	:root:has(#theme-toggle:checked) { color-scheme: dark; }
}

@media(prefers-color-scheme: dark) {
	:root:has(#theme-toggle:checked) { color-scheme: light; }
}

/* --- Body --- */

[data-category="home"] {
	--palette-current:    var(--palette-home);
	--palette-current-bg: var(--palette-home-bg);
	#nav-home { --nav-tab-rest: var(--nav-tab-peek); }
}

[data-category="projects"] {
	--palette-current:    var(--palette-projects);
	--palette-current-bg: var(--palette-projects-bg);
	#nav-projects { --nav-tab-rest: var(--nav-tab-peek); }
}

[data-category="blog"] {
	--palette-current:    var(--palette-blog);
	--palette-current-bg: var(--palette-blog-bg);
	#nav-blog { --nav-tab-rest: var(--nav-tab-peek); }
}

[data-category="about"] {
	--palette-current:    var(--palette-about);
	--palette-current-bg: var(--palette-about-bg);
	#nav-about { --nav-tab-rest: var(--nav-tab-peek); }
}

body {
	width:      100%;
	min-height: 100dvh;
	margin:     0 auto;

	display:        flex;
	flex-direction: column;

	font-family:      Arial, sans-serif;
	background-color: var(--palette-main-bg);
	color:            var(--palette-main-fg);

	/* Smooth all theme color changes to avoid rapid flashing */
	transition: background-color 500ms ease,
	            color            500ms ease;
}

/* --- Header --- */

header {
	position: relative;
	padding:  0;

	border-bottom: 2px solid var(--palette-current);

	text-align: center;

	background-color: var(--palette-header-bg);
	color:            var(--palette-header-fg);

	/* `header .as-logo` - Archandle Studio logo/banner */
	& .as-logo {
		max-width:  90%;
		max-height: 4rem;
		padding:    1rem 5%;
	}
}

/* --- Nav Bar --- */

/* Override tab colors with their respective category color */
#nav-home     { --palette-current: var(--palette-home); }
#nav-projects { --palette-current: var(--palette-projects); }
#nav-blog     { --palette-current: var(--palette-blog); }
#nav-about    { --palette-current: var(--palette-about); }

#nav-container {
	box-sizing: border-box;
	padding:    0 var(--fluid-pad);

	display: grid;
	grid-template-columns: 1fr auto 1fr;

	align-items: center;

	& .nav-main {
		grid-column: 2;

		width:   auto;
		margin:  0;
		padding: 0;

		display:    flex;
		column-gap: var(--fluid-pad);

		list-style: none;

		& .nav-tab a {
			position: relative;
			z-index:  0;
			padding:  calc(1rem + var(--nav-tab-jump-room)) /* Top - add extra padding so tab doesn't clip on jump */
			          var(--fluid-pad)                      /* Sides */
			          1rem;                                 /* Bottom */

			display:  block;
			overflow: clip;

			font-weight:     bold;
			text-decoration: none;
			color:           var(--palette-header-fg);

			&::before {
				content: "";

				position: absolute;
				z-index:  -1; /* Behind tab's text */
				inset:    0                                   /* Top */
				          0                                   /* Right */
				          calc(-1 * var(--nav-tab-extension)) /* Bottom - extra height so bottom edge isn't seen on jump*/
				          0;                                  /* Left */

				border-radius: 1rem 1rem 0 0; /* Rounded top corners */

				background-color: var(--palette-current);

				transform:  translateY(calc(100% - var(--nav-tab-extension) - var(--nav-tab-rest)));
				transition: transform 250ms ease-in;

				pointer-events: none;
			}

			&:hover::before {
				transform:  translateY(var(--nav-tab-jump-room));
				transition: transform 300ms cubic-bezier(0.1,1.5,0.5,1.0);
			}
		}
	}
}

/* --- Main page content area --- */

main {
	position: relative;
	width:    min(800px, 95vw);
	margin:   0 auto;
	padding:  2rem 0;

	flex: 1;

	& section {
		padding:       1rem;
		margin-bottom: 2rem;
		&:last-of-type { margin-bottom: 0; }

		border:        2px solid var(--palette-current);
		border-radius: 1rem;

		background-color: var(--palette-current-bg);

		& :first-child { margin-top: 0; }

		& :last-child { margin-bottom: 0; }
	}
}

a {
	white-space: nowrap;
}

.quote {
	border-left:  2px solid var(--palette-subtext);
	padding-left: 0.5em;
}

.subtext {
	color: var(--palette-subtext);
	font-style: italic;
}

.inline-img {
	max-height: 1em;
}

/* --- Footer --- */

footer {
	padding: 0.5rem;

	display:    flex;
	column-gap: 0.5em;

	justify-content:  center;
	font-size:        0.8rem;

	border-top: 2px solid var(--palette-current);

	background-color: var(--palette-header-bg);
	color:            var(--palette-header-fg);

	& img { max-height: 1em; }

	& p { margin: 0; }
}

/* --- Page-specific --- */

.profile-cards {
	margin:  0;
	padding: 0;

	list-style:      none;

	display:         flex;
	flex-wrap:       wrap;
	gap:             1rem;
	justify-content: center;

	& a {
		display:         flex;
		text-decoration: none;
		color:           inherit;
	}

	& .profile-card {
		box-sizing: border-box;
		width:      12rem;

		margin:        auto 0;
		border:        2px solid var(--palette-current);
		border-radius: 1rem;
		padding:       1rem;

		display:        flex;
		flex-direction: column;

		justify-content: center;
		align-items:     center;
		text-align:      center;

		background-color: var(--palette-main-bg);

		transition: transform 250ms ease;

		& * { margin: 0.25em auto 0; }

		&::after {
			content: "";

			position: absolute;
			inset:    0;

			border-radius:    inherit;
			background-color: #fff;
			opacity:          0.00;

			transition: opacity 250ms ease;
			pointer-events: none;
		}

		&:hover {
			transform: scale(1.05);

			&::after { opacity: 0.15; }
		}
	}
}

.profile-page {
	display:         flex;
	flex-direction:  column;
	justify-content: center;

	& * {
		margin: 0.25em auto 0;
	}

	& .profile-header {
		display:     flex;
		align-items: center;

		margin: 0;

		& .profile-avatar {
			max-height: 8rem;

			flex-shrink: 0;
		}

		& .profile-preamble {
			display:        flex;
			flex-direction: column;
			flex-grow:      1;

			margin: 0;

			text-align: center;
		}
	}
}

.profile-avatar {
	margin:           0;
	max-height:       6rem;
	border:           2px solid var(--palette-main-fg);
	border-radius:    50%;
	background-color: var(--palette-current);
}

.profile-name {
	font-size: 1.5rem;
}