/*************************
 * Base / Typography
 *************************/
:root {
	--bg: #ffffff;
	--fg: #111111;
	--muted: #666666;
	--border: #e5e7eb;
	--accent: #0f766e;
}

html, body {
	margin: 0;
	padding: 0;
	background: var(--bg);
	color: var(--fg);
	font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, Cantarell, "Helvetica Neue", Arial, "Montserrat", "Lato", sans-serif;
	line-height: 1.5;
}

.visually-hidden {
	position: absolute;
	width: 1px;
	height: 1px;
	padding: 0;
	margin: -1px;
	overflow: hidden;
	clip: rect(0, 0, 0, 0);
	white-space: nowrap;
	border: 0;
}

.app {
	max-width: 1200px;
	margin: 0 auto;
	padding: 16px;
	box-sizing: border-box;
}

.header { margin-bottom: 8px; }

.controls { margin-bottom: 12px; }

.actions {
	display: flex;
	gap: 8px;
	margin-top: 12px;
}

button {
	appearance: none;
	background: #f3f4f6;
	border: 1px solid var(--border);
	border-radius: 6px;
	padding: 8px 12px;
	color: var(--fg);
	cursor: pointer;
}
button:hover { background: #e5e7eb; }
button:focus { outline: 2px solid var(--accent); outline-offset: 2px; }

/* Comparison grid: up to 6 columns; mobile shows 2-at-a-time with stepper */
.compare-grid {
	display: grid;
	grid-template-columns: repeat(6, minmax(180px, 1fr));
	gap: 12px;
}

/* Column card */
.compare-col {
	border: 1px solid var(--border);
	border-radius: 8px;
	padding: 12px;
	background: #fff;
}

/* Table styles */
.spec-table { width: 100%; border-collapse: collapse; }
.spec-table th, .spec-table td { border-top: 1px solid var(--border); padding: 6px; text-align: left; }
.spec-table th { font-weight: 600; }
.spec-table caption { text-align: left; color: var(--muted); margin-bottom: 6px; }

/* Stepped mobile view */
@media (max-width: 720px) {
	.compare-grid {
		overflow-x: hidden;
		display: grid;
		grid-template-columns: repeat(2, minmax(160px, 1fr));
	}
}

.footer { margin-top: 16px; color: var(--muted); }

/* Pager */
.pager {
	margin-top: 8px;
	display: flex;
	gap: 6px;
	align-items: center;
}
.pager button {
	width: 10px;
	height: 10px;
	border-radius: 999px;
	padding: 0;
	border: 1px solid var(--border);
	background: #f8fafc;
}
.pager button[aria-selected="true"] { background: #334155; border-color: #334155; }

/* Helper classes for hiding off-page columns on small screens will be managed via JS */