/**
 * CadnPDF Step Form — front-end styles.
 * Scoped under .csf-wrap so themes are left alone.
 */

.csf-wrap {
	--csf-accent: #1a5fb4;
	--csf-bg: #ffffff;
	--csf-fg: #16181d;
	--csf-muted: #62707f;
	--csf-line: #e2e6ea;
	--csf-soft: #f6f8fa;
	--csf-ok: #1a7f4b;
	--csf-err: #c62828;
	--csf-radius: 10px;
	box-sizing: border-box;
	max-width: 900px;
	margin: 0 auto 2rem;
	color: var(--csf-fg);
	background: var(--csf-bg);
	border: 1px solid var(--csf-line);
	border-radius: calc(var(--csf-radius) + 4px);
	padding: 1.4rem 1.5rem 1.5rem;
	font-size: 15px;
	line-height: 1.5;
}

.csf-wrap *,
.csf-wrap *::before,
.csf-wrap *::after {
	box-sizing: border-box;
}

.csf-title {
	margin: 0 0 1rem;
	font-size: 1.35rem;
	line-height: 1.25;
}

/* ---------- unit toggle ---------- */

.csf-unitbar {
	display: flex;
	align-items: center;
	justify-content: flex-end;
	gap: .6rem;
	margin-bottom: 1rem;
}

.csf-unitbar-label,
.csf-unitswitch .csf-label {
	font-size: .78rem;
	text-transform: uppercase;
	letter-spacing: .06em;
	color: var(--csf-muted);
	margin: 0;
}

.csf-segmented {
	display: inline-flex;
	border: 1px solid var(--csf-line);
	border-radius: 999px;
	overflow: hidden;
	background: var(--csf-soft);
}

.csf-seg {
	appearance: none;
	border: 0;
	background: transparent;
	padding: .38rem .85rem;
	font: inherit;
	font-size: .84rem;
	color: var(--csf-muted);
	cursor: pointer;
	transition: background .15s, color .15s;
}

.csf-seg.is-active {
	background: var(--csf-accent);
	color: #fff;
	font-weight: 600;
}

/* ---------- progress ---------- */

.csf-progress {
	margin-bottom: 1.2rem;
}

.csf-progress-track {
	height: 6px;
	background: var(--csf-soft);
	border-radius: 999px;
	overflow: hidden;
}

.csf-progress-fill {
	height: 100%;
	background: var(--csf-accent);
	border-radius: 999px;
	transition: width .28s ease;
}

.csf-progress-text {
	margin-top: .4rem;
	font-size: .78rem;
	color: var(--csf-muted);
}

.csf-progress-list {
	list-style: none;
	margin: 0;
	padding: 0;
	display: flex;
	flex-wrap: wrap;
	gap: .3rem 1.1rem;
}

.csf-progress-item {
	display: flex;
	align-items: center;
	gap: .45rem;
	font-size: .82rem;
	color: var(--csf-muted);
	cursor: pointer;
	padding: .2rem 0;
}

.csf-progress-dot {
	width: 22px;
	height: 22px;
	flex: 0 0 22px;
	border-radius: 50%;
	background: var(--csf-soft);
	border: 1px solid var(--csf-line);
	display: grid;
	place-items: center;
	font-size: .72rem;
	font-weight: 600;
}

.csf-progress-item.is-active { color: var(--csf-fg); font-weight: 600; }
.csf-progress-item.is-active .csf-progress-dot { background: var(--csf-accent); border-color: var(--csf-accent); color: #fff; }
.csf-progress-item.is-done .csf-progress-dot { background: var(--csf-ok); border-color: var(--csf-ok); color: #fff; }

/* ---------- steps & grid ---------- */

.csf-step { display: none; }
.csf-step.is-active { display: block; animation: csf-fade .22s ease; }

@keyframes csf-fade {
	from { opacity: 0; transform: translateY(4px); }
	to { opacity: 1; transform: none; }
}

.csf-wrap[data-layout="single"] .csf-step {
	display: block;
	border-top: 1px solid var(--csf-line);
	padding-top: 1rem;
	margin-top: 1rem;
}
.csf-wrap[data-layout="single"] .csf-step:first-child { border-top: 0; padding-top: 0; margin-top: 0; }

.csf-step-title {
	display: flex;
	align-items: center;
	gap: .55rem;
	margin: 0 0 .25rem;
	font-size: 1.08rem;
	line-height: 1.3;
}

.csf-step-num {
	width: 26px;
	height: 26px;
	flex: 0 0 26px;
	border-radius: 50%;
	background: var(--csf-accent);
	color: #fff;
	display: grid;
	place-items: center;
	font-size: .8rem;
	font-weight: 700;
}

.csf-step-sub {
	margin: 0 0 1rem;
	color: var(--csf-muted);
	font-size: .88rem;
}

.csf-grid {
	display: flex;
	flex-wrap: wrap;
	gap: .9rem 1rem;
	margin-top: .8rem;
}

.csf-field { flex: 1 1 100%; min-width: 0; }
.csf-w-half { flex: 1 1 calc(50% - .5rem); }
.csf-w-third { flex: 1 1 calc(33.333% - .67rem); }
.csf-w-quarter { flex: 1 1 calc(25% - .75rem); }
.csf-w-full { flex: 1 1 100%; }

@media (max-width: 640px) {
	.csf-w-half,
	.csf-w-third,
	.csf-w-quarter { flex: 1 1 100%; }
	.csf-wrap { padding: 1rem; }
}

.csf-field.is-hidden { display: none; }

/* ---------- labels & inputs ---------- */

.csf-label {
	display: block;
	font-weight: 600;
	font-size: .86rem;
	margin-bottom: .3rem;
}

.csf-unit-label { font-weight: 400; color: var(--csf-muted); }
.csf-req { color: var(--csf-err); }

.csf-inputwrap,
.csf-sliderwrap {
	position: relative;
	display: flex;
	align-items: center;
	gap: .5rem;
}

.csf-wrap input[type="text"].csf-input,
.csf-wrap input[type="email"].csf-input,
.csf-wrap input[type="number"].csf-input,
.csf-wrap select.csf-input,
.csf-wrap .csf-cell {
	width: 100%;
	padding: .5rem .6rem;
	font: inherit;
	font-size: .92rem;
	color: var(--csf-fg);
	background: #fff;
	border: 1px solid var(--csf-line);
	border-radius: 8px;
	box-shadow: none;
	transition: border-color .15s, box-shadow .15s;
	-webkit-appearance: none;
	appearance: none;
}

.csf-wrap select.csf-input,
.csf-wrap select.csf-cell {
	background-image: url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8'%3E%3Cpath fill='%2362707f' d='M1 1l5 5 5-5'/%3E%3C/svg%3E");
	background-repeat: no-repeat;
	background-position: right .6rem center;
	padding-right: 1.8rem;
}

.csf-wrap .csf-input:focus,
.csf-wrap .csf-cell:focus {
	outline: none;
	border-color: var(--csf-accent);
	box-shadow: 0 0 0 3px color-mix(in srgb, var(--csf-accent) 18%, transparent);
}

.csf-suffix {
	flex: 0 0 auto;
	font-size: .8rem;
	color: var(--csf-muted);
	white-space: nowrap;
}

.csf-range { width: 100%; }
.csf-rangeout {
	min-width: 3.2rem;
	text-align: right;
	font-variant-numeric: tabular-nums;
	font-weight: 600;
	font-size: .9rem;
}

.csf-radios { display: flex; flex-wrap: wrap; gap: .4rem .9rem; }
.csf-radio,
.csf-check {
	display: inline-flex;
	align-items: center;
	gap: .4rem;
	font-size: .9rem;
	cursor: pointer;
}
.csf-check { font-weight: 600; }

.csf-help {
	margin: .3rem 0 0;
	font-size: .78rem;
	color: var(--csf-muted);
}

.csf-err {
	margin: .3rem 0 0;
	font-size: .78rem;
	color: var(--csf-err);
	font-weight: 600;
}

.csf-field.has-error .csf-input,
.csf-field.has-error select {
	border-color: var(--csf-err);
	background: color-mix(in srgb, var(--csf-err) 5%, #fff);
}

.csf-heading {
	margin: .4rem 0 .1rem;
	font-size: .8rem;
	text-transform: uppercase;
	letter-spacing: .07em;
	color: var(--csf-muted);
	border-bottom: 1px solid var(--csf-line);
	padding-bottom: .35rem;
}

.csf-headnote,
.csf-html {
	font-size: .85rem;
	color: var(--csf-muted);
}

.csf-calcout {
	display: flex;
	align-items: baseline;
	gap: .35rem;
	padding: .5rem .6rem;
	background: var(--csf-soft);
	border: 1px dashed var(--csf-line);
	border-radius: 8px;
	font-variant-numeric: tabular-nums;
}
.csf-calcval { font-weight: 700; font-size: .98rem; }

/* ---------- repeating table ---------- */

.csf-table-wrap { overflow-x: auto; }

.csf-table {
	width: 100%;
	border-collapse: collapse;
	margin: 0 0 .5rem;
	font-size: .88rem;
}

.csf-table th,
.csf-table td {
	border-bottom: 1px solid var(--csf-line);
	padding: .35rem .4rem;
	text-align: left;
	vertical-align: middle;
}

.csf-table thead th {
	font-size: .74rem;
	text-transform: uppercase;
	letter-spacing: .05em;
	color: var(--csf-muted);
	background: var(--csf-soft);
	white-space: nowrap;
}

.csf-th-num, .csf-td-num { width: 2.2rem; color: var(--csf-muted); text-align: center; }
.csf-th-act, .csf-td-act { width: 2rem; text-align: center; }

.csf-table .csf-cell { padding: .35rem .45rem; font-size: .88rem; }
.csf-cell-calc {
	display: inline-block;
	font-weight: 600;
	font-variant-numeric: tabular-nums;
}

.csf-rowdel {
	appearance: none;
	border: 0;
	background: transparent;
	color: var(--csf-muted);
	font-size: 1.1rem;
	line-height: 1;
	cursor: pointer;
	padding: .2rem .35rem;
	border-radius: 6px;
}
.csf-rowdel:hover:not(:disabled) { background: color-mix(in srgb, var(--csf-err) 12%, transparent); color: var(--csf-err); }
.csf-rowdel:disabled { opacity: .3; cursor: not-allowed; }

.csf-table tfoot th {
	font-size: .85rem;
	background: var(--csf-soft);
	border-bottom: 0;
}
.csf-tfoot-total {
	text-align: right;
	font-weight: 700;
	font-variant-numeric: tabular-nums;
	white-space: nowrap;
}

.csf-table-actions { margin-bottom: .3rem; }

/* ---------- buttons & nav ---------- */

.csf-nav {
	display: flex;
	align-items: center;
	gap: .6rem;
	margin-top: 1.3rem;
	padding-top: 1rem;
	border-top: 1px solid var(--csf-line);
	flex-wrap: wrap;
}

.csf-wrap .csf-btn {
	appearance: none;
	font: inherit;
	font-size: .9rem;
	font-weight: 600;
	padding: .55rem 1.15rem;
	border-radius: 8px;
	border: 1px solid transparent;
	cursor: pointer;
	line-height: 1.2;
	transition: filter .15s, background .15s, border-color .15s;
	text-decoration: none;
}

.csf-btn-primary {
	background: var(--csf-accent);
	color: #fff;
}
.csf-btn-primary:hover:not(:disabled) { filter: brightness(1.08); }

.csf-btn-ghost {
	background: transparent;
	color: var(--csf-muted);
	border-color: var(--csf-line);
}
.csf-btn-ghost:hover { color: var(--csf-fg); border-color: var(--csf-muted); }

.csf-btn:disabled { opacity: .6; cursor: progress; }
.csf-reset { margin-left: auto; }

.csf-formError {
	margin: .7rem 0 0;
	color: var(--csf-err);
	font-size: .85rem;
	font-weight: 600;
}

/* ---------- results ---------- */

.csf-results {
	margin-top: 1.5rem;
	border-top: 2px solid var(--csf-accent);
	padding-top: 1.1rem;
}

.csf-results-head {
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: .8rem;
	flex-wrap: wrap;
	margin-bottom: .8rem;
}

.csf-results-title { margin: 0; font-size: 1.1rem; }
.csf-results-actions { display: flex; gap: .5rem; flex-wrap: wrap; }
.csf-results-intro { margin: 0 0 .9rem; color: var(--csf-muted); font-size: .87rem; }

.csf-cards {
	display: grid;
	grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
	gap: .7rem;
	margin-bottom: 1.2rem;
}

.csf-card {
	background: linear-gradient(180deg, color-mix(in srgb, var(--csf-accent) 7%, #fff), #fff);
	border: 1px solid color-mix(in srgb, var(--csf-accent) 24%, var(--csf-line));
	border-radius: var(--csf-radius);
	padding: .7rem .85rem;
}

.csf-card-label {
	font-size: .7rem;
	text-transform: uppercase;
	letter-spacing: .06em;
	color: var(--csf-muted);
	margin-bottom: .2rem;
}

.csf-card-value {
	font-size: 1.32rem;
	font-weight: 700;
	line-height: 1.15;
	font-variant-numeric: tabular-nums;
}

.csf-card-unit {
	font-size: .72rem;
	font-weight: 500;
	color: var(--csf-muted);
	margin-left: .25rem;
}

.csf-resgroup { margin-bottom: 1.1rem; }

.csf-resgroup-title {
	margin: 0 0 .35rem;
	font-size: .76rem;
	text-transform: uppercase;
	letter-spacing: .07em;
	color: var(--csf-muted);
}

.csf-restable {
	width: 100%;
	border-collapse: collapse;
	font-size: .9rem;
}

.csf-restable th,
.csf-restable td {
	border-bottom: 1px solid var(--csf-line);
	padding: .45rem .5rem;
	text-align: left;
	font-weight: 400;
}

.csf-restable th[scope="row"] { color: var(--csf-fg); }

.csf-restable td.csf-resval {
	text-align: right;
	font-weight: 700;
	font-variant-numeric: tabular-nums;
	white-space: nowrap;
}

.csf-restable td.csf-resunit {
	width: 5.5rem;
	color: var(--csf-muted);
	font-size: .82rem;
}

.csf-restable tr.is-highlight th,
.csf-restable tr.is-highlight td { background: color-mix(in srgb, var(--csf-accent) 6%, transparent); }

.csf-restable--rows thead th {
	font-size: .72rem;
	text-transform: uppercase;
	letter-spacing: .05em;
	color: var(--csf-muted);
	background: var(--csf-soft);
}

.csf-restable--rows td { font-variant-numeric: tabular-nums; }

.csf-resnote {
	display: block;
	font-size: .74rem;
	color: var(--csf-muted);
	font-weight: 400;
}

.csf-inputs { margin-top: .6rem; }
.csf-inputs summary {
	cursor: pointer;
	font-size: .82rem;
	font-weight: 600;
	color: var(--csf-muted);
	margin-bottom: .4rem;
}
.csf-restable--inputs td.csf-resval { font-weight: 500; }

/* ---------- email box ---------- */

.csf-emailbox {
	margin-top: 1.1rem;
	background: var(--csf-soft);
	border: 1px solid var(--csf-line);
	border-radius: var(--csf-radius);
	padding: .9rem 1rem;
}

.csf-emailbox h4 { margin: 0 0 .55rem; font-size: .95rem; }

.csf-emailrow { display: flex; gap: .5rem; flex-wrap: wrap; }
.csf-emailrow input {
	flex: 1 1 180px;
	padding: .5rem .6rem;
	font: inherit;
	font-size: .9rem;
	border: 1px solid var(--csf-line);
	border-radius: 8px;
	background: #fff;
}

.csf-consent {
	display: flex;
	align-items: flex-start;
	gap: .4rem;
	margin-top: .5rem;
	font-size: .78rem;
	color: var(--csf-muted);
}

.csf-emailmsg { margin: .5rem 0 0; font-size: .82rem; }
.csf-emailmsg.is-ok { color: var(--csf-ok); font-weight: 600; }
.csf-emailmsg.is-error { color: var(--csf-err); font-weight: 600; }

.csf-footnote {
	margin: 1rem 0 0;
	font-size: .76rem;
	color: var(--csf-muted);
}

.csf-error {
	padding: .8rem 1rem;
	border-left: 4px solid #c62828;
	background: #fff5f5;
	font-size: .9rem;
}

/* ---------- print ---------- */

.csf-print-head,
.csf-print-footer { display: none; }

@media print {
	.csf-wrap { border: 0; padding: 0; max-width: none; }
	.csf-formEl,
	.csf-nav,
	.csf-emailbox,
	.csf-results-actions,
	.csf-progress,
	.csf-unitbar { display: none !important; }
	.csf-print-head { display: block; border-bottom: 2px solid #ccc; margin-bottom: 14px; padding-bottom: 8px; }
	.csf-print-title { font-size: 18px; font-weight: 700; }
	.csf-print-meta { font-size: 11px; color: #555; }
	.csf-print-footer { display: block; font-size: 10px; color: #555; margin-top: 16px; }
	.csf-results { border-top: 0; }
	.csf-card { break-inside: avoid; }
	.csf-restable { page-break-inside: auto; }
	.csf-restable tr { page-break-inside: avoid; }
}

/* ---------- dark mode ---------- */

@media (prefers-color-scheme: dark) {
	.csf-wrap {
		--csf-bg: #14171c;
		--csf-fg: #e8ebee;
		--csf-muted: #98a4b1;
		--csf-line: #2b3138;
		--csf-soft: #1b1f25;
	}
	.csf-wrap input[type="text"].csf-input,
	.csf-wrap input[type="email"].csf-input,
	.csf-wrap input[type="number"].csf-input,
	.csf-wrap select.csf-input,
	.csf-wrap .csf-cell,
	.csf-emailrow input { background: #10141a; color: var(--csf-fg); }
	.csf-card { background: linear-gradient(180deg, color-mix(in srgb, var(--csf-accent) 16%, #14171c), #14171c); }
}