/* ==========================================================================
   床の耐荷重チェッカー（fl-）
   ========================================================================== */

:root {
	--fl-main: #1e5a8a;
	--fl-main-dark: #134262;
	--fl-soft: #e8f1f8;
	--fl-sand: #f7f3ea;
	--fl-a: #2f9e44;
	--fl-b: #1971c2;
	--fl-c: #e67700;
	--fl-d: #c92a2a;
}

/* ---------- 入力 ---------- */
.fl-section {
	padding: 18px 20px 6px;
}

.fl-section + .fl-section {
	border-top: 1px solid var(--color-border);
}

.fl-section-title {
	font-family: var(--font-display);
	font-size: 15px;
	font-weight: 700;
	color: var(--color-text);
	margin: 0 0 10px;
	display: flex;
	align-items: center;
	gap: 8px;
	flex-wrap: wrap;
}

.fl-step {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	width: 22px;
	height: 22px;
	border-radius: 50%;
	background: var(--fl-main);
	color: #fff;
	font-size: 12px;
	font-weight: 700;
}

.fl-opt {
	font-weight: 400;
	font-size: 12px;
	color: var(--color-text-muted);
}

.fl-grid {
	display: grid;
	grid-template-columns: repeat(2, minmax(0, 1fr));
	gap: 12px 18px;
	margin-bottom: 12px;
}

.fl-grid--3 {
	grid-template-columns: repeat(3, minmax(0, 1fr));
}

.fl-field {
	display: flex;
	flex-direction: column;
	gap: 5px;
	min-width: 0;
}

.fl-label {
	font-size: 13px;
	font-weight: 700;
	color: var(--color-text);
}

.fl-input,
.fl-select {
	width: 100%;
	height: 44px;
	padding: 0 12px;
	line-height: 1.4;
	border: 1.5px solid var(--color-border);
	border-radius: var(--radius);
	font-size: 15px;
	font-family: inherit;
	color: var(--color-text);
	background: #fff;
	box-sizing: border-box;
}

.fl-input:focus,
.fl-select:focus {
	outline: none;
	border-color: var(--fl-main);
	box-shadow: 0 0 0 3px rgba(30, 90, 138, 0.18);
}

.fl-hint {
	font-size: 12px;
	color: var(--color-text-muted);
	line-height: 1.6;
	margin: 0;
}

.fl-inline {
	display: flex;
	align-items: center;
	gap: 8px;
	flex-wrap: wrap;
}

.fl-inline .fl-input {
	width: 110px;
}

.fl-unit {
	font-size: 13px;
	color: var(--color-text-secondary);
}

.fl-check {
	display: inline-flex;
	align-items: center;
	gap: 8px;
	font-size: 13.5px;
	cursor: pointer;
	padding: 8px 0;
}

.fl-check input {
	accent-color: var(--fl-main);
	width: 18px;
	height: 18px;
	margin: 0;
}

.fl-sub {
	display: none;
	padding: 12px 14px;
	border-radius: var(--radius);
	background: var(--fl-sand);
	margin-bottom: 12px;
}

.fl-sub.is-on {
	display: block;
}

.fl-sub .fl-grid {
	margin-bottom: 0;
}

.fl-btn-row {
	display: flex;
	flex-wrap: wrap;
	gap: 10px;
	padding: 6px 20px 20px;
}

.fl-btn {
	padding: 12px 20px;
	border-radius: var(--radius);
	border: 2px solid var(--fl-main);
	background: var(--fl-main);
	color: #fff;
	font-weight: 700;
	font-size: 15px;
	font-family: inherit;
	cursor: pointer;
	transition: background 0.15s ease;
}

.fl-btn:hover {
	background: var(--fl-main-dark);
	border-color: var(--fl-main-dark);
}

.fl-btn--sub {
	background: #fff;
	color: var(--fl-main-dark);
}

.fl-btn--sub:hover {
	background: var(--fl-soft);
}

.fl-error {
	display: none;
	margin: 0 20px 14px;
	padding: 10px 14px;
	border-radius: var(--radius);
	background: #fdecec;
	color: #b42318;
	font-size: 13.5px;
}

/* ---------- 結果 ---------- */
.fl-result {
	display: none;
	border-top: 2px solid var(--fl-main);
	padding: 18px 20px 20px;
}

.fl-result-title {
	font-family: var(--font-display);
	font-size: 18px;
	font-weight: 700;
	margin: 0 0 4px;
}

.fl-result-sub {
	font-size: 13px;
	color: var(--color-text-secondary);
	margin: 0 0 14px;
	line-height: 1.6;
}

.fl-verdict {
	display: grid;
	grid-template-columns: 120px 1fr;
	gap: 14px;
	align-items: center;
	border: 2px solid var(--color-border);
	border-radius: var(--radius);
	padding: 14px 16px;
	margin-bottom: 14px;
	background: #fff;
}

.fl-verdict-badge {
	display: flex;
	flex-direction: column;
	align-items: center;
	justify-content: center;
	width: 120px;
	height: 92px;
	border-radius: var(--radius);
	color: #fff;
	font-weight: 700;
	text-align: center;
	line-height: 1.2;
}

.fl-verdict-badge .fl-grade {
	font-family: var(--font-display);
	font-size: 36px;
	line-height: 1;
}

.fl-verdict-badge .fl-grade-label {
	font-size: 12px;
	margin-top: 6px;
}

.fl-verdict--a { border-color: var(--fl-a); }
.fl-verdict--a .fl-verdict-badge { background: var(--fl-a); }
.fl-verdict--b { border-color: var(--fl-b); }
.fl-verdict--b .fl-verdict-badge { background: var(--fl-b); }
.fl-verdict--c { border-color: var(--fl-c); }
.fl-verdict--c .fl-verdict-badge { background: var(--fl-c); }
.fl-verdict--d { border-color: var(--fl-d); }
.fl-verdict--d .fl-verdict-badge { background: var(--fl-d); }

.fl-verdict-body h3 {
	margin: 0 0 6px;
	font-size: 17px;
	font-family: var(--font-display);
}

.fl-verdict-body p {
	margin: 0;
	font-size: 13.5px;
	line-height: 1.7;
}

.fl-stats {
	display: grid;
	grid-template-columns: repeat(4, minmax(0, 1fr));
	gap: 10px;
	margin-bottom: 14px;
}

.fl-stat {
	border: 1px solid var(--color-border);
	border-radius: var(--radius);
	padding: 10px 12px;
	background: #fff;
	text-align: center;
}

.fl-stat-label {
	display: block;
	font-size: 12px;
	color: var(--color-text-secondary);
	margin-bottom: 4px;
}

.fl-stat-value {
	display: block;
	font-family: var(--font-display);
	font-size: 22px;
	font-weight: 700;
	color: var(--fl-main-dark);
	line-height: 1.1;
}

.fl-stat-value small {
	font-size: 12px;
	font-weight: 700;
	margin-left: 2px;
}

.fl-stat-note {
	display: block;
	font-size: 11.5px;
	color: var(--color-text-muted);
	margin-top: 4px;
	line-height: 1.5;
}

.fl-bar {
	position: relative;
	height: 18px;
	border-radius: 999px;
	background: linear-gradient(90deg, var(--fl-a) 0 46%, var(--fl-b) 46% 77%, var(--fl-c) 77% 100%);
	margin: 6px 0 22px;
}

.fl-bar-marker {
	position: absolute;
	top: -6px;
	width: 4px;
	height: 30px;
	background: #222;
	border-radius: 2px;
	transform: translateX(-50%);
}

.fl-bar-marker::after {
	content: attr(data-label);
	position: absolute;
	top: 32px;
	left: 50%;
	transform: translateX(-50%);
	font-size: 11.5px;
	font-weight: 700;
	white-space: nowrap;
	color: #222;
}

.fl-bar-scale {
	display: flex;
	justify-content: space-between;
	font-size: 11px;
	color: var(--color-text-muted);
	margin-top: -16px;
	margin-bottom: 14px;
}

.fl-block-title {
	font-size: 15px;
	font-weight: 700;
	margin: 18px 0 8px;
	padding-left: 10px;
	border-left: 4px solid var(--fl-main);
}

.fl-table-wrap {
	overflow-x: auto;
	-webkit-overflow-scrolling: touch;
}

.fl-table {
	width: 100%;
	border-collapse: collapse;
	font-size: 13.5px;
}

.fl-table th,
.fl-table td {
	border: 1px solid var(--color-border);
	padding: 7px 10px;
	text-align: left;
	vertical-align: top;
	line-height: 1.6;
}

.fl-table th {
	background: var(--fl-soft);
	font-weight: 700;
	white-space: nowrap;
	width: 34%;
}

.fl-advice {
	margin: 0;
	padding: 0;
	list-style: none;
}

.fl-advice li {
	position: relative;
	padding: 8px 12px 8px 30px;
	border-bottom: 1px dashed var(--color-border);
	font-size: 13.5px;
	line-height: 1.7;
}

.fl-advice li::before {
	content: '✓';
	position: absolute;
	left: 10px;
	top: 8px;
	color: var(--fl-main);
	font-weight: 700;
}

.fl-advice li.fl-advice--warn::before {
	content: '！';
	color: var(--fl-c);
}

.fl-note {
	padding: 10px 14px;
	border-radius: var(--radius);
	background: var(--fl-sand);
	font-size: 13px;
	line-height: 1.7;
	margin: 14px 0 0;
}

.fl-actions {
	display: flex;
	flex-wrap: wrap;
	gap: 10px;
	margin-top: 16px;
}

.fl-actions .fl-btn {
	flex: 1 1 180px;
	min-width: 160px;
}

/* ---------- 解説 ---------- */
.fl-doc-table {
	width: 100%;
	border-collapse: collapse;
	font-size: 13.5px;
}

.fl-doc-table th,
.fl-doc-table td {
	border: 1px solid var(--color-border);
	padding: 8px 10px;
	text-align: left;
	vertical-align: top;
	line-height: 1.6;
}

.fl-doc-table th {
	background: var(--fl-soft);
	white-space: nowrap;
}

.fl-doc-table td.fl-num {
	text-align: right;
	white-space: nowrap;
}

.fl-source {
	font-size: 12px;
	color: var(--color-text-muted);
	line-height: 1.7;
	margin: 10px 0 0;
}

.fl-grades {
	display: grid;
	grid-template-columns: repeat(4, minmax(0, 1fr));
	gap: 10px;
}

.fl-grade-card {
	border-radius: var(--radius);
	padding: 12px 14px;
	color: #fff;
	font-size: 13px;
	line-height: 1.6;
}

.fl-grade-card strong {
	display: block;
	font-size: 18px;
	font-family: var(--font-display);
	margin-bottom: 4px;
}

@media (max-width: 600px) {
	.fl-grid,
	.fl-grid--3,
	.fl-grades {
		grid-template-columns: 1fr;
	}

	.fl-stats {
		grid-template-columns: repeat(2, minmax(0, 1fr));
	}

	.fl-verdict {
		grid-template-columns: 1fr;
	}

	.fl-verdict-badge {
		width: 100%;
		height: 72px;
		flex-direction: row;
		gap: 12px;
	}

	.fl-verdict-badge .fl-grade-label {
		margin-top: 0;
	}

	.fl-table th {
		width: 40%;
	}
}

/* ---------- 印刷（A4縦） ---------- */
.fl-print-root {
	position: absolute;
	left: -9999px;
	top: 0;
	width: 720px;
}

@media print {
	@page {
		size: A4 portrait;
		margin: 10mm 12mm;
	}

	body.fl-printing > *:not(.fl-print-root) {
		display: none !important;
	}

	.fl-print-root {
		position: static;
		width: auto;
	}

	.fl-print-root .fl-result {
		display: block !important;
		border-top: none;
		padding: 0;
		font-size: 10pt;
	}

	.fl-print-root .fl-actions {
		display: none !important;
	}

	.fl-print-root .fl-stats {
		grid-template-columns: repeat(4, minmax(0, 1fr));
	}

	.fl-print-root .fl-verdict-badge {
		-webkit-print-color-adjust: exact;
		print-color-adjust: exact;
	}

	.fl-print-root .fl-block-title {
		font-size: 11pt;
		margin: 8px 0 4px;
	}

	.fl-print-root .fl-advice li,
	.fl-print-root .fl-table td,
	.fl-print-root .fl-table th {
		font-size: 9pt;
		padding: 3px 8px;
		line-height: 1.5;
	}

	.fl-print-root .fl-advice li {
		padding-left: 24px;
	}

	.fl-print-root .fl-verdict {
		padding: 8px 12px;
		margin-bottom: 8px;
	}

	.fl-print-root .fl-verdict-badge {
		height: 64px;
	}

	.fl-print-root .fl-verdict-body p {
		font-size: 9.5pt;
	}

	.fl-print-root .fl-stat {
		padding: 5px 8px;
	}

	.fl-print-root .fl-stat-value {
		font-size: 15pt;
	}

	.fl-print-root .fl-stat-note {
		display: none;
	}

	.fl-print-root .fl-bar {
		margin: 4px 0 18px;
		height: 12px;
	}

	.fl-print-root .fl-result-sub {
		margin-bottom: 6px;
	}

	.fl-print-root .fl-note {
		font-size: 9pt;
		padding: 6px 10px;
		margin-top: 8px;
	}

	.fl-print-root tr,
	.fl-print-root li {
		break-inside: avoid;
	}
}