:root {
	--bg: #000;
	--panel: #0a0a0a;

	--cyan: #5ff;
	--magenta: #f5f;
	--white: #fff;
	--dim: #888;

	--border-dim: #222;
}

/* ===== BASE ===== */

body {
	background: var(--bg);
	color: var(--white);
	font-family: monospace;
	margin: 0;
	padding: 20px;
}

hr {
	border: 0;
	border-top: 1px solid var(--border-dim);
	margin: 28px 0;
}

/* ===== TOP CONTROLS ===== */

.topbuttons {
	display: inline-block;
	padding: 10px 12px;
	margin-bottom: 14px;

	background: var(--panel);
	border: 1px solid var(--cyan);
}

.topbuttons input {
	margin: 4px;
	padding: 4px 8px;

	background: #111;
	color: var(--cyan);

	border: 1px solid var(--cyan);
	font-family: monospace;
	cursor: pointer;
}

.topbuttons input:hover {
	background: #000;
	color: var(--white);
	border-color: var(--magenta);
}

.topbuttons input.active {
	background: #000;
	color: var(--magenta);
	border-color: var(--magenta);
}

.topbuttons input.active:hover {
	color: var(--white);
}

/* ===== SELECTS & RANGE ===== */

select,
input[type="range"] {
	margin-left: 6px;
	margin-right: 14px;
}

select {
	padding: 2px 4px;
	background: #111;
	color: var(--magenta);
	border: 1px solid var(--magenta);
	font-family: monospace;
}

/* ===== CANVAS ===== */

canvas {
	display: block;
	margin-top: 16px;

	background: #000;
	border: 1px solid var(--cyan);
}

/* ===== Z SLICE CONTROL ===== */

.zslice-panel {
    margin-top: 14px;
    padding: 10px 12px;
	max-width: 640px;
    border: 1px solid var(--cyan);
    background: var(--panel);
}

.zslice-label {
    font-size: 13px;
    color: var(--cyan);
    margin-bottom: 6px;
}

.zslice-panel input[type="range"] {
    width: 100%;
    height: 28px;
    cursor: pointer;
}

/* ===== INFO ===== */

#console-log0,
#console-log1 {
	font-size: 12px;
	color: var(--dim);
	margin-top: 6px;
}

/* ===== RULE PANEL ===== */

.rule-panel {
	background: var(--panel);
	border: 1px solid var(--magenta);
	padding: 16px 18px;
	max-width: 640px;
}

.rule-panel b {
	color: var(--cyan);
}

/* ===== RULE INPUT ===== */

.rule-panel input[type="text"] {
	width: 360px;
	padding: 4px 6px;

	background: #000;
	color: var(--white);

	border: 1px solid var(--cyan);
	font-family: monospace;
}

/* ===== RULE CHECKBOX GRID ===== */

.rule-row {
	display: grid;
	grid-template-columns: repeat(19, 20px);
	gap: 0;
	margin-left: 6px;
}

.rule-row input[type="checkbox"] {
	margin: 0;
	accent-color: var(--magenta);
}

/* ===== EXPLANATION TEXT ===== */

.rule-explain {
	font-size: 12px;
	color: var(--dim);
	line-height: 1.55;
	margin-top: 14px;
}

.container {
	border: 1px solid var(--magenta);
	margin-top: 16px;
	
	display: inline-block;
	padding: 16px 18px;
	font-size: 16px;
}

/* ===== LINKS ===== */

a {
	color: var(--cyan);
	text-decoration: none;
	border-bottom: 1px solid var(--cyan);
}

a:hover {
	color: var(--magenta);
	border-bottom-color: var(--magenta);
}