/**
 * Common Ancestor Finder — themed styles
 *
 * Scoped under .caf-wrap so nothing leaks into the rest of the theme
 * (and the theme cannot leak in). Uses the Deosil Pastel Literary
 * palette via CSS variables with local fallbacks, so the same file
 * also works in preview.html without WordPress.
 *
 * Fonts are loaded by functions.php (Playfair Display + Source Serif 4
 * already comes from the theme; IBM Plex Mono is added for labels).
 */

.caf-wrap {
	/* Theme variables with fallbacks (preview.html defines the same hexes). */
	--caf-paper: var(--paper, #fdf6ee);
	--caf-paper-2: var(--paper-2, #fffcf7);
	--caf-ink: var(--ink, #2e2836);
	--caf-ink-soft: var(--ink-soft, #4f4659);
	--caf-ink-faint: var(--ink-faint, #7a6e85);
	--caf-line: var(--line, #dccbb8);
	--caf-rose: var(--rose, #b56a82);
	--caf-rose-deep: var(--rose-deep, #8f4f63);
	--caf-indigo: var(--indigo, #6376b8);
	--caf-indigo-deep: var(--indigo-deep, #42528a);
	--caf-sage: var(--sage, #739c82);
	--caf-sage-deep: #4f7a5f; /* darker sage for status text (contrast) */
	--caf-card-rose: #f5b8a6;
	--caf-card-blue: #b9d2ee;
	--caf-card-mint: #b8dfc9;
	--caf-radius: 10px;
	--caf-shadow: 0 2px 14px rgba(61, 53, 66, 0.07), 0 1px 3px rgba(61, 53, 66, 0.06);

	--caf-serif-display: "Playfair Display", "Iowan Old Style", Georgia, serif;
	--caf-serif-body: "Source Serif 4", "Crimson Pro", Georgia, serif;
	--caf-mono: "IBM Plex Mono", ui-monospace, SFMono-Regular, Menlo, monospace;

	max-width: 900px;
	margin: 0 auto;
	padding: 0 1.25rem;
	box-sizing: border-box;
}

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

/* --- Header ---------------------------------------------------------- */
.caf-header {
	display: flex;
	justify-content: space-between;
	align-items: flex-end;
	gap: 1rem;
	flex-wrap: wrap;
	border-bottom: 2px solid var(--caf-ink);
	padding-bottom: 1.125rem;
	margin-bottom: 1.75rem;
}

.caf-eyebrow {
	font-family: var(--caf-mono);
	font-size: 0.75rem;
	letter-spacing: 0.14em;
	text-transform: uppercase;
	color: var(--caf-rose-deep);
	margin-bottom: 0.375rem;
}

.caf-title {
	font-family: var(--caf-serif-display);
	font-weight: 600;
	font-size: clamp(1.75rem, 4vw, 2.5rem);
	line-height: 1.2;
	letter-spacing: -0.01em;
	margin: 0;
	color: var(--caf-ink);
}

.caf-tagline {
	font-family: var(--caf-serif-body);
	font-size: 0.9rem;
	line-height: 1.6;
	color: var(--caf-ink-soft);
	max-width: 320px;
	text-align: right;
	margin: 0;
}

@media (max-width: 640px) {
	.caf-tagline {
		text-align: left;
		max-width: none;
	}
}

/* --- Cards ----------------------------------------------------------- */
.caf-card {
	position: relative;
	background: var(--caf-paper-2);
	border: 1px solid var(--caf-line);
	border-radius: var(--caf-radius);
	box-shadow: var(--caf-shadow);
	padding: 1.375rem 1.5rem;
	margin-bottom: 1.25rem;
}

.caf-card::before {
	content: attr(data-step);
	position: absolute;
	top: -11px;
	left: 20px;
	background: var(--caf-ink);
	color: var(--caf-paper-2);
	font-family: var(--caf-mono);
	font-size: 0.6875rem;
	padding: 2px 9px;
	letter-spacing: 0.08em;
	border-radius: 3px;
}

/* Pastel cycle matching the theme's 6-card masonry tints (rose / blue / mint). */
.caf-card[data-step="01"] {
	border-top: 3px solid var(--caf-rose);
	background: linear-gradient(180deg, var(--caf-card-rose) 0%, var(--caf-paper-2) 38%);
}
.caf-card[data-step="02"] {
	border-top: 3px solid var(--caf-indigo);
	background: linear-gradient(180deg, var(--caf-card-blue) 0%, var(--caf-paper-2) 38%);
}
.caf-card[data-step="03"] {
	border-top: 3px solid var(--caf-sage);
	background: linear-gradient(180deg, var(--caf-card-mint) 0%, var(--caf-paper-2) 38%);
}

.caf-card-title {
	font-family: var(--caf-serif-display);
	font-size: 1.1875rem;
	font-weight: 600;
	line-height: 1.3;
	margin: 0.375rem 0 0.875rem;
	color: var(--caf-ink);
}

/* --- Dropzone -------------------------------------------------------- */
#dropzone {
	border: 1.5px dashed var(--caf-rose-deep);
	border-radius: 6px;
	padding: 1.625rem 1.125rem;
	text-align: center;
	cursor: pointer;
	transition: background 0.15s ease, border-color 0.15s ease;
	background: rgba(255, 255, 255, 0.45);
}

#dropzone:hover,
#dropzone.drag,
#dropzone:focus-visible {
	background: rgba(255, 255, 255, 0.75);
	border-color: var(--caf-indigo-deep);
}

#dropzone p {
	margin: 4px 0;
	color: var(--caf-ink-soft);
	font-family: var(--caf-serif-body);
	font-size: 0.9rem;
}

#dropzone strong {
	color: var(--caf-ink);
}

#fileInput {
	display: none;
}

.caf-status {
	font-family: var(--caf-mono);
	font-size: 0.8125rem;
	line-height: 1.6;
	margin-top: 0.75rem;
	color: var(--caf-sage-deep);
	min-height: 1.125rem;
	word-break: break-word;
}

.caf-status.err {
	color: var(--caf-rose-deep);
}

.caf-privacy {
	font-family: var(--caf-serif-body);
	font-size: 0.85rem;
	font-style: italic;
	color: var(--caf-ink-faint);
	margin: 0.5rem 0 0;
}

/* --- Person pickers -------------------------------------------------- */
.caf-picker-row {
	display: grid;
	grid-template-columns: 1fr 1fr;
	gap: 1.125rem;
}

@media (max-width: 640px) {
	.caf-picker-row {
		grid-template-columns: 1fr;
	}
}

.caf-field {
	position: relative;
}

.caf-field label {
	display: block;
	font-family: var(--caf-mono);
	font-size: 0.6875rem;
	text-transform: uppercase;
	letter-spacing: 0.08em;
	color: var(--caf-ink-soft);
	margin-bottom: 0.375rem;
}

.caf-field input[type="text"] {
	width: 100%;
	padding: 0.625rem 0.75rem;
	font-size: 1rem;
	font-family: var(--caf-serif-body);
	border: 1px solid var(--caf-line);
	background: #fff;
	color: var(--caf-ink);
	border-radius: 6px;
}

.caf-field input[type="text"]:disabled {
	opacity: 0.55;
	cursor: not-allowed;
}

.caf-field input[type="text"]:focus {
	outline: 2px solid var(--caf-indigo);
	outline-offset: 1px;
	border-color: var(--caf-indigo-deep);
}

.caf-suggest {
	position: absolute;
	top: 100%;
	left: 0;
	right: 0;
	background: var(--caf-paper-2);
	border: 1px solid var(--caf-line);
	border-top: none;
	border-radius: 0 0 6px 6px;
	box-shadow: var(--caf-shadow);
	max-height: 230px;
	overflow-y: auto;
	z-index: 20;
	display: none;
}

.caf-suggest.open {
	display: block;
}

.caf-suggest div {
	padding: 0.5rem 0.75rem;
	font-family: var(--caf-serif-body);
	font-size: 0.9rem;
	line-height: 1.5;
	cursor: pointer;
	border-bottom: 1px solid var(--caf-line);
	color: var(--caf-ink);
}

.caf-suggest div:last-child {
	border-bottom: none;
}

.caf-suggest div:hover,
.caf-suggest div.hi {
	background: #fff6f0;
}

.caf-suggest .none {
	color: var(--caf-ink-soft);
	cursor: default;
	font-style: italic;
}

/* --- Buttons --------------------------------------------------------- */
.caf-findrow {
	margin-top: 1.125rem;
	display: flex;
	justify-content: flex-end;
	gap: 0.75rem;
	flex-wrap: wrap;
}

.caf-btn {
	font-family: var(--caf-mono);
	letter-spacing: 0.06em;
	text-transform: uppercase;
	font-size: 0.8125rem;
	background: var(--caf-rose-deep);
	color: var(--caf-paper-2);
	border: none;
	padding: 0.75rem 1.375rem;
	cursor: pointer;
	border-radius: 6px;
	transition: background 0.15s ease;
}

.caf-btn:hover:not(:disabled) {
	background: var(--caf-rose);
}

.caf-btn:disabled {
	background: #a89a86;
	cursor: not-allowed;
}

.caf-btn:focus-visible {
	outline: 2px solid var(--caf-indigo);
	outline-offset: 3px;
}

.caf-btn-secondary {
	background: transparent;
	color: var(--caf-indigo-deep);
	border: 1px solid var(--caf-line);
}

.caf-btn-secondary:hover:not(:disabled) {
	background: #fff6f0;
	color: var(--caf-rose-deep);
}

/* --- Results --------------------------------------------------------- */
#results {
	display: none;
}

.caf-verdict {
	font-family: var(--caf-serif-display);
	font-size: 1.375rem;
	font-weight: 600;
	line-height: 1.4;
	margin: 0 0 0.25rem;
	color: var(--caf-ink);
}

.caf-verdict .figure {
	color: var(--caf-rose-deep);
}

.caf-subline {
	font-family: var(--caf-serif-body);
	font-size: 0.9rem;
	line-height: 1.7;
	color: var(--caf-ink-soft);
	margin-bottom: 1.25rem;
}

.caf-subline .figure {
	color: var(--caf-rose-deep);
	font-weight: 600;
}

.caf-tree {
	display: flex;
	flex-direction: column;
	align-items: center;
	gap: 0;
}

.caf-anc-node {
	font-family: var(--caf-serif-display);
	font-weight: 600;
	font-size: 1rem;
	background: var(--caf-ink);
	color: var(--caf-paper-2);
	padding: 0.5625rem 1.125rem;
	border-radius: 6px;
	text-align: center;
	max-width: 90%;
}

.caf-anc-node small {
	display: block;
	font-family: var(--caf-mono);
	font-weight: 400;
	font-size: 0.65625rem;
	opacity: 0.8;
	margin-top: 2px;
	letter-spacing: 0.05em;
	text-transform: uppercase;
}

.caf-branch-y {
	width: 1px;
	height: 20px;
	background: var(--caf-rose);
}

.caf-branches {
	display: flex;
	width: 100%;
	justify-content: center;
	gap: 40px;
	position: relative;
}

.caf-branch {
	flex: 1;
	max-width: 340px;
	display: flex;
	flex-direction: column;
	align-items: center;
	min-width: 0; /* allow long names to wrap */
}

.caf-branch-label {
	font-family: var(--caf-mono);
	font-size: 0.65625rem;
	text-transform: uppercase;
	letter-spacing: 0.08em;
	color: var(--caf-indigo-deep);
	margin-bottom: 0.375rem;
	text-align: center;
	word-break: break-word;
}

.caf-chain {
	width: 100%;
}

.caf-node {
	position: relative;
	padding: 0.5rem 0.875rem 0.5rem 1.375rem;
	font-family: var(--caf-serif-body);
	font-size: 0.875rem;
	line-height: 1.5;
	border-left: 2px solid var(--caf-line);
	margin-left: 8px;
	color: var(--caf-ink);
}

.caf-node::before {
	content: "";
	position: absolute;
	left: -5px;
	top: 14px;
	width: 8px;
	height: 8px;
	border-radius: 50%;
	background: var(--caf-paper-2);
	border: 2px solid var(--caf-sage);
}

.caf-node.person::before {
	background: var(--caf-rose-deep);
	border-color: var(--caf-rose-deep);
}

.caf-node .nm {
	font-weight: 600;
}

.caf-node .gen {
	display: block;
	font-family: var(--caf-mono);
	font-size: 0.625rem;
	line-height: 1.5;
	color: var(--caf-ink-soft);
	margin-top: 1px;
}

.caf-node.person .nm {
	color: var(--caf-rose-deep);
}

.caf-node.inlaw {
	border-left-style: dashed;
	border-left-color: var(--caf-rose);
	margin-top: 2px;
}

.caf-node.inlaw::before {
	content: "\2665";
	width: auto;
	height: auto;
	border: none;
	background: none;
	font-size: 0.6875rem;
	color: var(--caf-rose-deep);
	left: -7px;
	top: 9px;
}

.caf-node.inlaw .gen {
	font-style: italic;
}

@media (max-width: 640px) {
	.caf-branches {
		flex-direction: column;
		align-items: center;
	}
	.caf-branch {
		width: 100%;
		max-width: 100%;
	}
}

/* --- Footer note ----------------------------------------------------- */
.caf-footer {
	margin-top: 2.125rem;
	font-family: var(--caf-serif-body);
	font-size: 0.75rem;
	line-height: 1.7;
	color: var(--caf-ink-soft);
	text-align: center;
	max-width: 720px;
	margin-inline: auto;
}

/* --- Motion / print -------------------------------------------------- */
@media (prefers-reduced-motion: reduce) {
	.caf-wrap *,
	.caf-wrap *::before,
	.caf-wrap *::after {
		transition: none !important;
		animation: none !important;
	}
}

@media print {
	.caf-findrow,
	#dropzone {
		display: none;
	}
	.caf-card {
		box-shadow: none;
		break-inside: avoid;
	}
}