base.css

/* Configuration defaults */
:root
{
	--slv-body-lr-margin: 12px;
	--slv-sleeve-padding: 14px;
}

/* Improved look */
html
{
	background: #111;
	color: #fff;

	font-family: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", "Noto Sans", "Liberation Sans", Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji";
}

body
{
	margin: 8px var(--slv-body-lr-margin);
}

h1
{
	font-weight: 400;
	font-size: 2.5em;
	margin-block: 0.3em;
}

h2
{
	font-weight: 350;
	font-size: 2em;
	margin-block-end: 0.4em;
}

h3
{
	font-weight: 300;
	font-size: 1.5em;
	margin-block-end: 0.4em;
}

p
{
	margin-block: 0.5em;
}

input:where([type="text"], [type="password"])
{
	color: inherit;

	border: 1px solid #2a2a2a;

	font-size: 1.3em;

	outline: none;
	background: rgba(0, 0, 0, 0.05);

	padding: 5px;
}

:not(.slv-sleeve) input
{
	margin: 3px 0;
}

input:not([type="submit"], [type="reset"]), .slv-form-width
{
	width: 50%;
}

:has(.slv-sidebar) :where(input:not([type="submit"], [type="reset"]), .slv-form-width)
{
	width: 100% !important; /* the rule before this one has higher precedence, but we want to override it. :not(:has(.slv-sidebar)) doesn't work because multiple elements could be the parent. */
}

@media (max-width: 600px)
{
	input,
	.slv-form-width
	{
		width: 100%;
	}
}

input:where([type="text"], [type="password"]).slv-validated
{
	border-color: #449961;
}

::placeholder
{
	color: rgba(255, 255, 255, 0.6);
}

form
{
	margin-block-end: 0;
}

a
{
	color: #257afb
}

a:hover
{
	color: #3586ff;
}

a:focus
{
	color: #4791ff;
}

hr
{
	border: 0;
	border-top: 1px solid #222;
	margin-top: 14px;
}

code
{
	padding: 1px 2px;
	border: 1px solid #2f2f2f;
}

li:not(:last-child)
{
	margin-bottom: 4px;
}

/* Hidden */
.slv-hidden
{
	display: none;
}

/* Container */
.slv-container
{
	max-width: 1000px;
	margin-left: auto;
	margin-right: auto;
}

/* Sleeve */
.slv-sleeve
{
	background: #0089ff;
	margin: 11px 0;
	margin-left: calc(var(--slv-body-lr-margin) * -1);
	width: calc(100% - (var(--slv-sleeve-padding) * 2) + (var(--slv-body-lr-margin) * 2));
	padding: var(--slv-sleeve-padding);
}

/* Loader */
@keyframes slv-loader
{
	0%       { content: "..." }
	16.6666% { content: ".. " }
	33.3333% { content: ".  " }
	49.9999% { content: "   " }
	66.6666% { content: "  ." }
	83.3333% { content: " .." }
	100%     { content: "..." }
}

.slv-loader
{
	font-family: monospace;
}

.slv-loader:after
{
	content: "...";
	animation: slv-loader 2s linear infinite;
	white-space: pre;
}

/* Button */
.slv-button
{
	text-decoration: none;
	padding: 12px 20px;
	padding-top: 8px;
	display: inline-block;
	background: hsl(216deg 100% 55%);
	border-bottom: 4px solid hsl(216deg 100% 40%);
	user-select: none;

	/* For <button> */
	border-top: 0;
	border-left: 0;
	border-right: 0;
	cursor: pointer;
	font-family: inherit;
	font-size: inherit;
}

/* For <a> */
.slv-button, .slv-button:hover, .slv-button:focus, .slv-button:active { color: inherit; }

.slv-button.slv-danger
{
	background: hsl(0deg 70% 45%);
	border-bottom: 4px solid hsl(0deg 75% 30%);
}

.slv-button:active
{
	border-bottom-width: 2px;
	margin-bottom: calc(7px - 2px); /* Might need to be calc(4px - 2px) if within .slv-sleeve? */
	transform: translate(0px, 2px);
}

/* Sidebar & Topbar */
:has(.slv-sidebar)
{
	margin: 0;
	display: flex;
	flex-direction: row;
}

.slv-sidebar
{
	width: 200px;
	border-right: 1px solid rgb(47, 51, 54);
	padding: 6px;

	overflow-y: auto;
	overflow-x: hidden;
}

:has(.slv-sidebar) > :not(.slv-sidebar):nth-of-type(2)
{
	flex-grow: 1;
	margin: 0 var(--slv-body-lr-margin);
}

:has(.slv-sidebar) > :not(.slv-sidebar):nth-of-type(2) :first-child
{
	margin-top: 0;
}

.slv-sidebar-brand
{
	margin: 0px;
	margin-bottom: 7px;
	text-align: center;
}

.slv-sidebar a,
.slv-topbar a
{
	color: inherit;
}

.slv-sidebar .slv-divider
{
	border-top: 1px solid #222;
	margin-top: 6px;
	margin-bottom: 0.5em;
}

:has(.slv-topbar)
{
	margin: 0;
	display: flex;
	flex-direction: column;
}

.slv-topbar
{
	height: 200px;
	border-bottom: 1px solid rgb(47, 51, 54);
	padding: 6px;

	overflow-x: auto;
	overflow-y: hidden;
}

:has(.slv-topbar) > :not(.topbar):nth-of-type(2)
{
	flex-grow: 1;
	margin: 0 var(--slv-body-lr-margin);
}

.slv-topbar .slv-divider
{
	width: 0;
	border-right: 1px solid #222;
	margin: 0 6px;
}

:where(.slv-sidebar, .slv-topbar) .slv-item
{
	padding: 5px;

	display: flex;
	align-items: center;

	text-decoration: none;

	cursor: pointer;
}

.slv-sidebar .slv-item
{
	margin-bottom: 6px;
	margin-left: 3px; /* looks centered when not expanded */
}

:where(#slv-navbar.slv-expanded, :where(.slv-sidebar, .slv-topbar):not(#slv-navbar)) .slv-item
{
	padding-right: 6px;
	margin-right: 3px;
}

:where(#slv-navbar.slv-expanded, :where(.slv-sidebar, .slv-topbar):not(#slv-navbar)) .slv-item:hover
{
	background: #222;
	border-radius: 5px;
}

:where(#slv-navbar.slv-expanded, :where(.slv-sidebar, .slv-topbar):not(#slv-navbar)) .slv-item svg
{
	padding-right: 7px;
}

/* Tooltips */
:where(.slv-tooltip-top, .slv-tooltip-right, .slv-tooltip-left, .slv-tooltip-bottom)[aria-label]
{
	position: relative;
}

:where(.slv-tooltip-top, .slv-tooltip-right, .slv-tooltip-left, .slv-tooltip-bottom)[aria-label]::before
{
	display: none;
	position: absolute;
	z-index: 99;
	content: attr(aria-label);
	border-radius: 10px;
	background: #000;
	color: #fff;
	padding: 0.25rem 0.5rem;
	pointer-events: none;
}

.slv-tooltip-long::before
{
	width: 100%;
}

.slv-tooltip-top[aria-label]::before
{
	bottom: 100%;
	left: 50%;
	transform: translate(-50%,-.25rem);
}

.slv-tooltip-right[aria-label]::before
{
	left: 100%;
	top: 50%;
	transform: translate(.25rem,-50%);
}

.slv-tooltip-left[aria-label]::before
{
	right: 100%;
	top: 50%;
	transform: translate(-.25rem,-50%);
}

.slv-tooltip-bottom[aria-label]::before
{
	top: 100%;
	left: 50%;
	transform: translate(-50%,.25rem);
}

:where(.slv-tooltip-top, .slv-tooltip-right, .slv-tooltip-left, .slv-tooltip-bottom)[aria-label]:hover::before
{
	display: block;
}