* {
	box-sizing: border-box;
}

body {
	font-family: Calibri, Helvetica, Arial, sans-serif;
	font-size: 16px;
	color: #2b81af;
	max-width: 1200px;
	margin: 0 auto;
	padding: 0.5em 1em;
	background: #f4f8fa;
}

h1 {
	font-size: 1.6em;
	margin: 0.4em 0;
}

h2 {
	padding: 0 0 0.3em 0;
	margin: 0.8em 0 0.3em;
}

input[type='button'] {
	margin: 0.5em;
	padding: 0.4em 0.8em;
	cursor: pointer;
	font-size: 1em;
	background: #2b81af;
	color: white;
	border: none;
	border-radius: 4px;
}

input[type='button']:hover {
	background: #1a5f8a;
}

/* ── Playground ── */

.playground {
	display: flex;
	flex-direction: row;
	align-items: stretch;
	gap: 0.5em;
	background-color: #d2e0e6;
	border-radius: 6px;
	padding: 0.75em;
}

.pane {
	display: flex;
	flex-direction: column;
	flex: 1 1 0;
	min-width: 0;
}

.pane h2 {
	text-align: center;
}

.pane textarea {
	flex: 1 1 auto;
	font-family: 'Courier New', Courier, monospace;
	font-size: 0.85em;
	padding: 0.4em;
	width: 100%;
	min-height: 10em;
	border: 1px solid #a0b8c8;
	border-radius: 4px;
	resize: vertical;
}

.pane-actions {
	text-align: center;
}

.encoded-preview {
	margin-top: 0.4em;
	font-family: 'Courier New', Courier, monospace;
	font-size: 0.8em;
	color: #304f61;
}

.encoded-preview-label {
	font-weight: bold;
	margin-bottom: 0.2em;
}

.encoded-preview pre {
	margin: 0;
	padding: 0.35em 0.4em;
	max-height: 4.5em;
	overflow: auto;
	background: #eef4f8;
	border: 1px solid #a0b8c8;
	border-radius: 4px;
	white-space: pre;
}

/* On mobile, stack panes vertically */
@media (max-width: 600px) {
	.playground {
		flex-direction: column;
	}
}

/* ── Documentation ── */

.docs {
	margin-top: 2em;
	color: #222;
	line-height: 1.6;
}

.docs h2 {
	color: #2b81af;
	border-bottom: 1px solid #c0d4de;
	padding-bottom: 0.2em;
}

.docs p,
.docs ul {
	margin: 0.5em 0;
}

.docs ul {
	padding-left: 1.5em;
}

.docs code {
	background: #e8f0f5;
	padding: 0.1em 0.35em;
	border-radius: 3px;
	font-family: 'Courier New', Courier, monospace;
	font-size: 0.9em;
	word-break: break-all;
}

.docs pre {
	background: #e8f0f5;
	padding: 0.8em 1em;
	border-radius: 4px;
	overflow-x: auto;
	font-family: 'Courier New', Courier, monospace;
	font-size: 0.9em;
	line-height: 1.5;
}

.docs pre code {
	background: none;
	padding: 0;
}

.docs a {
	color: #2b81af;
}

/* Examples comparison table */
.examples-table {
	width: 100%;
	border-collapse: collapse;
	margin: 0.5em 0 1em;
	font-size: 0.9em;
}

.examples-table th,
.examples-table td {
	text-align: left;
	padding: 0.4em 0.6em;
	border: 1px solid #c0d4de;
}

.examples-table th {
	background: #d2e0e6;
	color: #2b81af;
	font-weight: bold;
}

.examples-table tr:nth-child(even) td {
	background: #eef4f8;
}