.ist-tools {
	max-width: 720px;
	margin: 1.5em auto;
}

.ist-panel {
	padding: 0.5em;
}

.ist-row {
	display: flex;
	flex-wrap: wrap;
	align-items: center;
	gap: 0.6em 1em;
	margin-bottom: 1.1em;
}

.ist-row-label {
	flex: 0 0 100%;
	font-weight: 600;
}

.ist-group {
	display: flex;
	flex-direction: column;
	gap: 0.35em;
	margin-right: 1em;
}

.ist-group-label {
	font-weight: 600;
}

.ist-group-fields {
	display: flex;
	align-items: center;
	gap: 0.6em;
}

.ist-mode-framed .ist-group--tread,
.ist-mode-framed .ist-group--nose,
.ist-mode-framed .ist-group--thick,
.ist-mode-tread .ist-group--framed {
	display: none;
}

.ist-form p.ist-mode-row {
	margin-bottom: 1.1em;
	font-size: 12pt;
	line-height: 15pt;
}

.ist-field {
	display: inline-flex;
	align-items: center;
	gap: 0.35em;
	font-size: 0.95em;
	color: #555;
}

.ist-field input[type="number"] {
	width: 4.5em;
	padding: 0.35em 0.4em;
	border: 1px solid #bbb;
	border-radius: 4px;
}

.ist-field select {
	padding: 0.35em 0.4em;
	border: 1px solid #bbb;
	border-radius: 4px;
}

.ist-hint {
	flex: 0 0 100%;
	font-size: 0.85em;
	color: #777;
}

.ist-calc-btn {
	background: #2c5f2d;
	color: #fff;
	border: none;
	border-radius: 4px;
	padding: 0.6em 1.6em;
	font: inherit;
	font-weight: 600;
	cursor: pointer;
}

.ist-calc-btn:hover {
	background: #234b24;
}

.ist-form p.ist-form-error {
	color: #b00020;
	font-size: 12pt;
	line-height: 15pt;
}

.ist-warn {
	color: #8a5a00;
}

.ist-center {
	text-align: center;
}


.ist-results .ist-result-note {
	margin-top: 1em;
	margin-bottom: 0;
}

.ist-more-title {
	margin: 1.2em 0 0.5em;
	font-size: 1.05em;
}

.ist-more {
	margin: 0 0 0 1.2em;
	padding: 0;
}

.ist-more li {
	margin-bottom: 0.4em;
}

.ist-width-row {
	margin-top: 0.8em;
}