/**
 * Bugtrail — public styles.
 *
 * Warm modern: parchment ground, walnut ink, one deep teal accent, clay used
 * only where something is actually wrong. The recurring device is a rail with
 * nodes on it — the report form, the bug ledger and the timeline are all the
 * same shape at different scales.
 */

/* ---------------------------------------------------------------- tokens */

.bt-root,
.bt-report,
.bt-case,
.bt-ledger-wrap {
	--bt-bg: #faf6f0;
	--bt-surface: #fffdfa;
	--bt-raised: #ffffff;
	--bt-sunk: #f4ede2;
	--bt-sand: #ebe1d2;
	--bt-line: #e2d7c6;
	--bt-line-soft: #eee6d9;

	--bt-ink: #241c14;
	--bt-ink-soft: #5b4f43;
	--bt-ink-faint: #756858;

	--bt-accent: #0f6f63;
	--bt-accent-deep: #0a544a;
	--bt-accent-wash: #e4efec;
	--bt-on-accent: #fdfbf7;

	--bt-clay: #a8442c;
	--bt-clay-wash: #f8ebe5;
	--bt-amber: #9a6413;
	--bt-sage: #4d7a52;

	--bt-sans: 'Bugtrail Figtree', ui-sans-serif, system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
	--bt-display: 'Bugtrail Fraunces', Georgia, 'Iowan Old Style', 'Times New Roman', serif;
	--bt-mono: ui-monospace, SFMono-Regular, 'SF Mono', Menlo, Consolas, 'Liberation Mono', monospace;

	--bt-r-xs: 4px;
	--bt-r-sm: 7px;
	--bt-r-md: 12px;
	--bt-r-lg: 18px;

	--bt-lift: 0 1px 2px rgba(74, 52, 30, 0.05), 0 10px 28px -16px rgba(74, 52, 30, 0.30);
	--bt-lift-high: 0 2px 4px rgba(74, 52, 30, 0.06), 0 22px 44px -22px rgba(74, 52, 30, 0.38);

	--bt-ease: cubic-bezier(0.22, 0.61, 0.36, 1);

	color: var(--bt-ink);
	font-family: var(--bt-sans);
	font-size: 1rem;
	line-height: 1.6;
	-webkit-font-smoothing: antialiased;
	font-optical-sizing: auto;
}

/* Host themes disagree about box-sizing. Everything here assumes border-box,
   or bordered circles drift off the rail they are meant to sit on. */
.bt-root *,
.bt-root *::before,
.bt-root *::after {
	box-sizing: border-box;
}

/* Keep host themes from leaking odd margins into our lists and headings. */
.bt-root :where(h1, h2, h3, h4, p, ul, ol, dl, dd, dt, figure) {
	margin: 0;
}

.bt-root :where(ul, ol) {
	padding: 0;
	list-style: none;
}

.bt-root :where(a) {
	color: var(--bt-accent-deep);
	text-decoration-thickness: 1px;
	text-underline-offset: 0.18em;
}

.bt-root :where(a):hover {
	color: var(--bt-accent);
}

.bt-root :where(:focus-visible) {
	outline: 2px solid var(--bt-accent);
	outline-offset: 3px;
	border-radius: var(--bt-r-xs);
}

.bt-visually-hidden {
	position: absolute !important;
	width: 1px;
	height: 1px;
	margin: -1px;
	padding: 0;
	overflow: hidden;
	clip: rect(0 0 0 0);
	clip-path: inset(50%);
	white-space: nowrap;
	border: 0;
}

/* --------------------------------------------------------- type roles */

.bt-display {
	font-family: var(--bt-display);
	font-weight: 600;
	letter-spacing: -0.015em;
	line-height: 1.12;
	text-wrap: balance;
}

.bt-micro {
	font-size: 0.6875rem;
	font-weight: 600;
	letter-spacing: 0.13em;
	text-transform: uppercase;
	color: var(--bt-ink-faint);
	font-feature-settings: 'ss01';
}

.bt-mono {
	font-family: var(--bt-mono);
	font-size: 0.875em;
	font-variant-numeric: tabular-nums;
	letter-spacing: -0.01em;
}

/* ------------------------------------------------------------ notices */

.bt-notice {
	position: relative;
	margin: 0 0 2rem;
	padding: 1.15rem 1.25rem 1.15rem 1.5rem;
	background: var(--bt-surface);
	border: 1px solid var(--bt-line);
	border-left: 3px solid var(--bt-ink-faint);
	border-radius: 0 var(--bt-r-sm) var(--bt-r-sm) 0;
	font-size: 0.9375rem;
	color: var(--bt-ink-soft);
}

.bt-notice strong {
	color: var(--bt-ink);
	font-weight: 650;
}

.bt-notice--error {
	border-left-color: var(--bt-clay);
	background: var(--bt-clay-wash);
	border-color: #eddbd2;
}

.bt-notice--error strong {
	color: var(--bt-clay);
}

.bt-notice__fix {
	display: block;
	margin-top: 0.35rem;
	color: var(--bt-ink-soft);
}

/* ------------------------------------------------- the thank-you scene */

.bt-receipt {
	display: grid;
	gap: 1.5rem;
	grid-template-columns: auto 1fr;
	align-items: start;
	margin: 0 0 2.5rem;
	padding: 2rem;
	background: var(--bt-surface);
	border: 1px solid var(--bt-line);
	border-radius: var(--bt-r-lg);
	box-shadow: var(--bt-lift);
}

.bt-receipt__mark {
	display: grid;
	place-items: center;
	width: 46px;
	height: 46px;
	border-radius: 50%;
	background: var(--bt-accent);
	color: var(--bt-on-accent);
}

.bt-receipt__mark svg {
	width: 22px;
	height: 22px;
	fill: none;
	stroke: currentColor;
	stroke-width: 2;
	stroke-linecap: round;
	stroke-linejoin: round;
}

.bt-receipt__title {
	font-family: var(--bt-display);
	font-size: 1.5rem;
	font-weight: 600;
	line-height: 1.2;
}

.bt-receipt__body {
	margin-top: 0.4rem;
	color: var(--bt-ink-soft);
	max-width: 52ch;
}

.bt-receipt__ref {
	display: inline-flex;
	align-items: center;
	gap: 0.4rem;
	margin-top: 1rem;
	padding: 0.45rem 0.8rem;
	background: var(--bt-sunk);
	border-radius: var(--bt-r-sm);
	font-family: var(--bt-mono);
	font-size: 0.875rem;
	font-variant-numeric: tabular-nums;
	color: var(--bt-ink);
	text-decoration: none;
}

.bt-receipt__ref:hover {
	background: var(--bt-sand);
}

/* ================================================================ FORM */

.bt-report {
	display: grid;
	gap: 3rem 3.5rem;
	align-items: start;
	max-width: 68rem;
	margin-inline: auto;
}

@media (min-width: 60rem) {
	.bt-report {
		grid-template-columns: minmax(0, 1fr) 17rem;
	}
}

.bt-report__head {
	max-width: 34ch;
	margin-bottom: 2.75rem;
}

.bt-report__eyebrow {
	margin-bottom: 0.9rem;
}

.bt-report__title {
	font-family: var(--bt-display);
	font-size: clamp(2rem, 1.35rem + 2.6vw, 3.1rem);
	font-weight: 600;
	line-height: 1.06;
	letter-spacing: -0.022em;
	text-wrap: balance;
}

.bt-report__intro {
	margin-top: 1rem;
	max-width: 46ch;
	font-size: 1.0625rem;
	color: var(--bt-ink-soft);
}

/* --- the chapter rail: numbered stops down the left edge of the form --- */

.bt-chapters {
	display: grid;
	gap: 0;
}

.bt-chapter {
	position: relative;
	display: grid;
	grid-template-columns: 2.5rem minmax(0, 1fr);
	gap: 0 1.5rem;
	padding: 0 0 2.75rem;
}

.bt-chapter::before {
	content: '';
	position: absolute;
	top: 2.5rem;
	bottom: -0.25rem;
	left: 1.1875rem;
	width: 2px;
	background: linear-gradient(180deg, var(--bt-line) 0%, var(--bt-line-soft) 100%);
}

.bt-chapter:last-child::before {
	display: none;
}

.bt-chapter__num {
	display: grid;
	place-items: center;
	width: 2.5rem;
	height: 2.5rem;
	border-radius: 50%;
	background: var(--bt-surface);
	border: 2px solid var(--bt-line);
	font-family: var(--bt-display);
	font-size: 1.0625rem;
	font-weight: 600;
	font-variant-numeric: lining-nums tabular-nums;
	color: var(--bt-ink-faint);
	transition: border-color 260ms var(--bt-ease), color 260ms var(--bt-ease), background-color 260ms var(--bt-ease);
}

.bt-chapter.is-touched .bt-chapter__num {
	border-color: var(--bt-accent);
	background: var(--bt-accent);
	color: var(--bt-on-accent);
}

.bt-chapter__head {
	padding-top: 0.3rem;
}

.bt-chapter__title {
	font-family: var(--bt-display);
	font-size: 1.3125rem;
	font-weight: 600;
	line-height: 1.25;
	letter-spacing: -0.012em;
}

.bt-chapter__note {
	margin-top: 0.3rem;
	max-width: 52ch;
	font-size: 0.9375rem;
	color: var(--bt-ink-faint);
}

.bt-chapter__fields {
	grid-column: 2;
	display: grid;
	gap: 1.5rem;
	margin-top: 1.5rem;
}

@media (max-width: 40rem) {
	.bt-chapter {
		grid-template-columns: 2rem minmax(0, 1fr);
		gap: 0 1rem;
	}

	.bt-chapter::before {
		left: 0.9375rem;
		top: 2rem;
	}

	.bt-chapter__num {
		width: 2rem;
		height: 2rem;
		font-size: 0.9375rem;
	}
}

/* ------------------------------------------------------------- fields */

.bt-field {
	display: grid;
	gap: 0.4rem;
}

.bt-pair {
	display: grid;
	gap: 1.5rem;
}

@media (min-width: 34rem) {
	.bt-pair {
		grid-template-columns: 1fr 1fr;
	}
}

.bt-root label,
.bt-label {
	font-size: 0.875rem;
	font-weight: 600;
	color: var(--bt-ink);
	letter-spacing: -0.005em;
}

.bt-req {
	color: var(--bt-clay);
	font-weight: 500;
}

.bt-hint {
	font-size: 0.8125rem;
	line-height: 1.5;
	color: var(--bt-ink-faint);
}

.bt-root input[type='text'],
.bt-root input[type='email'],
.bt-root input[type='url'],
.bt-root textarea,
.bt-root select {
	width: 100%;
	box-sizing: border-box;
	padding: 0.7rem 0.85rem;
	font-family: inherit;
	font-size: 0.9375rem;
	line-height: 1.5;
	color: var(--bt-ink);
	background: var(--bt-raised);
	border: 1px solid var(--bt-line);
	border-radius: var(--bt-r-sm);
	box-shadow: inset 0 1px 2px rgba(74, 52, 30, 0.04);
	transition: border-color 180ms var(--bt-ease), box-shadow 180ms var(--bt-ease), background-color 180ms var(--bt-ease);
}

.bt-root textarea {
	resize: vertical;
	min-height: 5.5rem;
}

.bt-root textarea.bt-mono {
	font-family: var(--bt-mono);
	font-size: 0.875rem;
	line-height: 1.7;
}

.bt-root select {
	appearance: none;
	padding-right: 2.3rem;
	background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 8'%3E%3Cpath d='M1 1.5 6 6.5l5-5' fill='none' stroke='%23756858' stroke-width='1.6' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
	background-repeat: no-repeat;
	background-position: right 0.85rem center;
	background-size: 12px;
}

.bt-root input::placeholder,
.bt-root textarea::placeholder {
	color: #b3a595;
}

.bt-root input:hover,
.bt-root textarea:hover,
.bt-root select:hover {
	border-color: #d3c4ae;
}

.bt-root input:focus,
.bt-root textarea:focus,
.bt-root select:focus {
	outline: none;
	background: var(--bt-raised);
	border-color: var(--bt-accent);
	box-shadow: 0 0 0 3px var(--bt-accent-wash);
}

/* The soft ring above reads well under a pointer but is too quiet on its own
   for keyboard users, so keyboard focus also gets a solid outline. */
.bt-root input:focus-visible,
.bt-root textarea:focus-visible,
.bt-root select:focus-visible {
	outline: 2px solid var(--bt-accent);
	outline-offset: 2px;
}

.bt-field--check label {
	display: flex;
	align-items: flex-start;
	gap: 0.55rem;
	font-weight: 400;
	font-size: 0.9375rem;
	color: var(--bt-ink-soft);
	cursor: pointer;
}

.bt-field--check input {
	margin-top: 0.25rem;
	accent-color: var(--bt-accent);
}

/* --------------------------------------------------------- the dropzone */

.bt-drop {
	display: grid;
	place-items: center;
	gap: 0.35rem;
	padding: 2.1rem 1.5rem;
	text-align: center;
	background:
		repeating-linear-gradient(135deg, transparent 0 9px, rgba(226, 215, 198, 0.35) 9px 10px),
		var(--bt-sunk);
	border: 1.5px dashed var(--bt-line);
	border-radius: var(--bt-r-md);
	cursor: pointer;
	transition: border-color 200ms var(--bt-ease), background-color 200ms var(--bt-ease), transform 200ms var(--bt-ease), box-shadow 200ms var(--bt-ease);
}

.bt-drop svg {
	width: 26px;
	height: 26px;
	color: var(--bt-ink-faint);
	transition: color 200ms var(--bt-ease), transform 260ms var(--bt-ease);
}

.bt-drop__title {
	font-size: 0.9375rem;
	font-weight: 600;
	color: var(--bt-ink);
}

.bt-drop:hover {
	border-color: #cdbda6;
	background-color: #f0e7d9;
}

.bt-drop.is-over {
	border-color: var(--bt-accent);
	border-style: solid;
	background-color: var(--bt-accent-wash);
	transform: translateY(-2px);
	box-shadow: var(--bt-lift);
}

.bt-drop.is-over svg {
	color: var(--bt-accent);
	transform: translateY(-3px) scale(1.06);
}

.bt-keys {
	display: inline-flex;
	align-items: center;
	gap: 0.22rem;
	vertical-align: baseline;
}

.bt-key {
	display: inline-block;
	min-width: 1.35em;
	padding: 0.1em 0.38em;
	font-family: var(--bt-mono);
	font-size: 0.72rem;
	line-height: 1.4;
	text-align: center;
	color: var(--bt-ink-soft);
	background: var(--bt-raised);
	border: 1px solid var(--bt-line);
	border-bottom-width: 2px;
	border-radius: var(--bt-r-xs);
}

/* previews */

.bt-previews {
	display: grid;
	grid-template-columns: repeat(auto-fill, minmax(7.5rem, 1fr));
	gap: 0.75rem;
	margin: 0;
}

.bt-previews:empty {
	display: none;
}

.bt-previews li {
	position: relative;
	overflow: hidden;
	aspect-ratio: 4 / 3;
	background: var(--bt-sunk);
	border: 1px solid var(--bt-line);
	border-radius: var(--bt-r-sm);
	animation: bt-pop 320ms var(--bt-ease) both;
}

.bt-previews img {
	display: block;
	width: 100%;
	height: 100%;
	object-fit: cover;
}

.bt-previews button {
	position: absolute;
	inset-block-start: 0.35rem;
	inset-inline-end: 0.35rem;
	display: grid;
	place-items: center;
	width: 1.55rem;
	height: 1.55rem;
	padding: 0;
	font-size: 0.95rem;
	line-height: 1;
	color: var(--bt-ink);
	background: rgba(255, 253, 250, 0.92);
	border: 1px solid var(--bt-line);
	border-radius: 50%;
	cursor: pointer;
	transition: background-color 160ms var(--bt-ease), color 160ms var(--bt-ease);
}

.bt-previews button:hover {
	background: var(--bt-clay);
	border-color: var(--bt-clay);
	color: #fff;
}

@keyframes bt-pop {
	from { opacity: 0; transform: scale(0.94); }
	to { opacity: 1; transform: none; }
}

/* --------------------------------------------------- collapsible block */

.bt-details {
	border-top: 1px solid var(--bt-line-soft);
	border-bottom: 1px solid var(--bt-line-soft);
	padding: 0.25rem 0;
}

.bt-details > summary {
	display: flex;
	align-items: center;
	gap: 0.5rem;
	padding: 0.85rem 0;
	font-size: 0.875rem;
	font-weight: 600;
	color: var(--bt-ink-soft);
	cursor: pointer;
	list-style: none;
}

.bt-details > summary::-webkit-details-marker {
	display: none;
}

.bt-details > summary::before {
	content: '';
	width: 0.5rem;
	height: 0.5rem;
	border-right: 1.5px solid var(--bt-ink-faint);
	border-bottom: 1.5px solid var(--bt-ink-faint);
	transform: rotate(-45deg);
	transition: transform 220ms var(--bt-ease);
}

.bt-details[open] > summary::before {
	transform: rotate(45deg);
}

.bt-details__body {
	display: grid;
	gap: 1.25rem;
	padding: 0.25rem 0 1.35rem;
}

/* ---------------------------------------------------------- the aside */

.bt-aside {
	display: grid;
	gap: 1.75rem;
	align-content: start;
}

@media (min-width: 60rem) {
	.bt-aside {
		position: sticky;
		top: 2rem;
	}
}

.bt-gauge {
	padding: 1.25rem 1.35rem 1.4rem;
	background: var(--bt-surface);
	border: 1px solid var(--bt-line);
	border-radius: var(--bt-r-md);
	box-shadow: var(--bt-lift);
}

.bt-gauge__label {
	display: block;
	margin-bottom: 0.85rem;
}

.bt-gauge__track {
	display: grid;
	grid-template-columns: repeat(4, 1fr);
	gap: 0.3rem;
}

.bt-gauge__seg {
	height: 5px;
	background: var(--bt-sand);
	border-radius: 999px;
	transition: background-color 420ms var(--bt-ease);
}

.bt-gauge__seg.is-lit {
	background: var(--bt-accent);
}

.bt-gauge__verdict {
	margin-top: 0.85rem;
	font-size: 0.875rem;
	line-height: 1.5;
	color: var(--bt-ink-soft);
}

.bt-aside__note {
	font-size: 0.875rem;
	line-height: 1.6;
	color: var(--bt-ink-faint);
}

.bt-aside__note h3 {
	margin-bottom: 0.5rem;
	font-family: var(--bt-display);
	font-size: 1rem;
	font-weight: 600;
	color: var(--bt-ink);
}

.bt-aside__list {
	display: grid;
	gap: 0.5rem;
}

.bt-aside__list li {
	position: relative;
	padding-left: 1rem;
}

.bt-aside__list li::before {
	content: '';
	position: absolute;
	left: 0;
	top: 0.62em;
	width: 5px;
	height: 5px;
	border-radius: 50%;
	background: var(--bt-sand);
}

/* --------------------------------------------------------- the button */

.bt-button {
	position: relative;
	display: inline-flex;
	align-items: center;
	justify-content: center;
	gap: 0.5rem;
	padding: 0.8rem 1.6rem;
	font-family: inherit;
	font-size: 0.9375rem;
	font-weight: 650;
	letter-spacing: -0.005em;
	color: var(--bt-on-accent);
	background-color: var(--bt-accent);
	background-image: linear-gradient(100deg, var(--bt-accent-deep) 0%, var(--bt-accent-deep) 50%, var(--bt-accent) 50%);
	background-size: 220% 100%;
	background-position: 100% 0;
	border: 0;
	border-radius: var(--bt-r-sm);
	cursor: pointer;
	box-shadow: 0 1px 2px rgba(10, 84, 74, 0.24), 0 8px 18px -12px rgba(10, 84, 74, 0.6);
	transition: background-position 420ms var(--bt-ease), transform 140ms var(--bt-ease), box-shadow 220ms var(--bt-ease);
}

.bt-button:hover {
	background-position: 0 0;
	box-shadow: 0 2px 4px rgba(10, 84, 74, 0.26), 0 14px 24px -14px rgba(10, 84, 74, 0.7);
}

.bt-button:active {
	transform: translateY(1px) scale(0.994);
	box-shadow: 0 1px 2px rgba(10, 84, 74, 0.3);
}

.bt-button[disabled],
.bt-button.is-busy {
	opacity: 0.6;
	pointer-events: none;
}

.bt-button--quiet {
	color: var(--bt-ink);
	background: transparent;
	background-image: none;
	border: 1px solid var(--bt-line);
	box-shadow: none;
}

.bt-button--quiet:hover {
	background: var(--bt-sunk);
	box-shadow: none;
}

.bt-submit {
	display: flex;
	flex-wrap: wrap;
	align-items: center;
	gap: 1rem 1.25rem;
	padding-top: 0.5rem;
}

.bt-submit__note {
	font-size: 0.8125rem;
	color: var(--bt-ink-faint);
	max-width: 34ch;
}

/* ============================================================== LEDGER */

.bt-ledger-wrap {
	max-width: 62rem;
	margin-inline: auto;
}

.bt-ledger {
	border-top: 1px solid var(--bt-line);
}

.bt-ledger__row {
	position: relative;
	display: grid;
	grid-template-columns: minmax(0, 1fr);
	gap: 0.75rem 1.5rem;
	align-items: center;
	padding: 1.35rem 1.1rem 1.35rem 1.4rem;
	border-bottom: 1px solid var(--bt-line-soft);
	transition: background-color 220ms var(--bt-ease);
}

@media (min-width: 34rem) {
	.bt-ledger__row {
		grid-template-columns: minmax(0, 1fr) 7.5rem;
	}
}

.bt-ledger__row::before {
	content: '';
	position: absolute;
	inset-block: 0.55rem;
	inset-inline-start: 0;
	width: 3px;
	border-radius: 999px;
	background: var(--bt-row-color, var(--bt-line));
	transition: width 220ms var(--bt-ease), inset-block 220ms var(--bt-ease);
}

.bt-ledger__row:hover {
	background: var(--bt-surface);
}

.bt-ledger__row:hover::before {
	width: 5px;
	inset-block: 0.2rem;
}

.bt-ledger__top {
	display: flex;
	flex-wrap: wrap;
	align-items: baseline;
	gap: 0.35rem 0.85rem;
	margin-bottom: 0.3rem;
}

.bt-ledger__ref {
	font-family: var(--bt-mono);
	font-size: 0.75rem;
	font-weight: 500;
	font-variant-numeric: tabular-nums;
	letter-spacing: 0.02em;
	color: var(--bt-ink-faint);
}

.bt-ledger__time {
	font-size: 0.75rem;
	color: var(--bt-ink-faint);
}

.bt-ledger__title {
	font-family: var(--bt-display);
	font-size: 1.1875rem;
	font-weight: 600;
	line-height: 1.3;
	letter-spacing: -0.012em;
}

.bt-ledger__title a {
	color: var(--bt-ink);
	text-decoration: none;
	display: inline-block;
	transition: transform 220ms var(--bt-ease), color 180ms var(--bt-ease);
}

.bt-ledger__row:hover .bt-ledger__title a {
	color: var(--bt-accent-deep);
	transform: translateX(2px);
}

.bt-ledger__title a::after {
	content: '';
	position: absolute;
	inset: 0;
}

.bt-ledger__meta {
	display: flex;
	flex-wrap: wrap;
	align-items: center;
	gap: 0.4rem 0.55rem;
	margin-top: 0.6rem;
}

.bt-ledger__thumb {
	overflow: hidden;
	aspect-ratio: 4 / 3;
	background: var(--bt-sunk);
	border: 1px solid var(--bt-line);
	border-radius: var(--bt-r-sm);
	box-shadow: 0 1px 2px rgba(74, 52, 30, 0.06);
}

.bt-ledger__thumb img {
	display: block;
	width: 100%;
	height: 100%;
	object-fit: cover;
	transition: transform 520ms var(--bt-ease);
}

.bt-ledger__row:hover .bt-ledger__thumb img {
	transform: scale(1.05);
}

/* pagination */

.bt-root .nav-links,
.bt-root .page-numbers {
	font-variant-numeric: tabular-nums;
}

.bt-root .nav-links {
	display: flex;
	flex-wrap: wrap;
	gap: 0.4rem;
	margin-top: 2rem;
}

.bt-root .page-numbers {
	display: inline-grid;
	place-items: center;
	min-width: 2.25rem;
	height: 2.25rem;
	padding: 0 0.6rem;
	font-size: 0.875rem;
	color: var(--bt-ink-soft);
	border: 1px solid var(--bt-line);
	border-radius: var(--bt-r-sm);
	text-decoration: none;
	transition: background-color 180ms var(--bt-ease), color 180ms var(--bt-ease);
}

.bt-root .page-numbers:hover {
	background: var(--bt-sunk);
	color: var(--bt-ink);
}

.bt-root .page-numbers.current {
	background: var(--bt-ink);
	border-color: var(--bt-ink);
	color: var(--bt-bg);
}

/* -------------------------------------------------------- empty state */

.bt-empty {
	display: grid;
	justify-items: center;
	gap: 0.6rem;
	padding: 4rem 1.5rem;
	text-align: center;
}

.bt-empty svg {
	width: 92px;
	height: 62px;
	margin-bottom: 0.5rem;
	color: var(--bt-line);
}

.bt-empty__title {
	font-family: var(--bt-display);
	font-size: 1.25rem;
	font-weight: 600;
	color: var(--bt-ink);
}

.bt-empty__body {
	max-width: 40ch;
	font-size: 0.9375rem;
	color: var(--bt-ink-faint);
}

/* =========================================================== CASE FILE */

.bt-case {
	display: grid;
	gap: 3rem;
	max-width: 52rem;
}

/* the docket: one horizontal band of facts, no card */

.bt-docket {
	display: grid;
	grid-template-columns: repeat(auto-fit, minmax(8.5rem, 1fr));
	border-block: 1px solid var(--bt-line);
	background: linear-gradient(180deg, var(--bt-surface), transparent);
}

.bt-docket__item {
	display: grid;
	gap: 0.4rem;
	padding: 1.05rem 1.15rem;
	border-inline-start: 1px solid var(--bt-line-soft);
}

.bt-docket__item:first-child {
	border-inline-start: 0;
	padding-inline-start: 0;
}

.bt-docket__value {
	font-size: 0.9375rem;
	font-weight: 600;
	color: var(--bt-ink);
	font-variant-numeric: tabular-nums;
}

.bt-docket__value.bt-mono {
	font-weight: 500;
	font-size: 0.875rem;
}

@media (max-width: 34rem) {
	.bt-docket__item {
		border-inline-start: 0;
		border-block-start: 1px solid var(--bt-line-soft);
		padding-inline: 0;
	}

	.bt-docket__item:first-child {
		border-block-start: 0;
	}
}

/* section grammar — sections are bands, not boxes */

.bt-band {
	display: grid;
	gap: 1rem;
}

.bt-band__title {
	font-family: var(--bt-display);
	font-size: 1.375rem;
	font-weight: 600;
	line-height: 1.25;
	letter-spacing: -0.014em;
	color: var(--bt-ink);
}

.bt-band__head {
	display: flex;
	flex-wrap: wrap;
	align-items: baseline;
	justify-content: space-between;
	gap: 0.5rem 1rem;
}

/* reproduction steps — a plate with a hairline rule */

.bt-steps {
	padding: 1.35rem 1.5rem;
	background: var(--bt-sunk);
	border-radius: var(--bt-r-md);
	border-inline-start: 3px solid var(--bt-sand);
	font-family: var(--bt-mono);
	font-size: 0.875rem;
	line-height: 1.85;
	color: var(--bt-ink-soft);
	white-space: pre-wrap;
	overflow-wrap: anywhere;
}

.bt-steps p {
	margin: 0 0 0.6rem;
}

.bt-steps p:last-child {
	margin-bottom: 0;
}

/* expected vs actual — a split field divided by a single rule */

.bt-split {
	display: grid;
	gap: 0;
	border: 1px solid var(--bt-line);
	border-radius: var(--bt-r-md);
	overflow: hidden;
}

@media (min-width: 40rem) {
	.bt-split {
		grid-template-columns: 1fr 1fr;
	}
}

.bt-split__side {
	padding: 1.35rem 1.5rem;
	background: var(--bt-surface);
}

.bt-split__side + .bt-split__side {
	border-block-start: 1px solid var(--bt-line);
}

@media (min-width: 40rem) {
	.bt-split__side + .bt-split__side {
		border-block-start: 0;
		border-inline-start: 1px solid var(--bt-line);
	}
}

.bt-split__side--actual {
	background: var(--bt-clay-wash);
}

.bt-split__label {
	display: flex;
	align-items: center;
	gap: 0.45rem;
	margin-bottom: 0.6rem;
}

.bt-split__side--actual .bt-split__label {
	color: var(--bt-clay);
}

.bt-split__side p {
	margin: 0 0 0.6rem;
	color: var(--bt-ink-soft);
	font-size: 0.9375rem;
}

.bt-split__side p:last-child {
	margin-bottom: 0;
}

/* screenshots — framed plates */

.bt-shots {
	display: grid;
	grid-template-columns: repeat(auto-fill, minmax(11rem, 1fr));
	gap: 1rem;
	margin: 0;
}

.bt-shots--inline {
	grid-template-columns: repeat(auto-fill, minmax(8rem, 1fr));
	gap: 0.6rem;
	margin-top: 0.85rem;
}

.bt-shot {
	display: block;
	padding: 6px;
	background: var(--bt-raised);
	border: 1px solid var(--bt-line);
	border-radius: var(--bt-r-sm);
	box-shadow: var(--bt-lift);
	transition: transform 300ms var(--bt-ease), box-shadow 300ms var(--bt-ease);
}

.bt-shot:hover {
	transform: translateY(-3px);
	box-shadow: var(--bt-lift-high);
}

.bt-shot img {
	display: block;
	width: 100%;
	height: auto;
	aspect-ratio: 4 / 3;
	object-fit: cover;
	border-radius: 3px;
	background: var(--bt-sunk);
}

.bt-shots__empty {
	font-size: 0.9375rem;
	color: var(--bt-ink-faint);
}

/* lightbox */

.bt-lightbox {
	width: min(94vw, 76rem);
	max-width: none;
	padding: 0;
	background: var(--bt-raised);
	border: 1px solid var(--bt-line);
	border-radius: var(--bt-r-md);
	box-shadow: 0 40px 80px -32px rgba(36, 28, 20, 0.55);
}

.bt-lightbox::backdrop {
	background: rgba(36, 28, 20, 0.62);
	backdrop-filter: blur(2px);
}

.bt-lightbox img {
	display: block;
	width: 100%;
	height: auto;
	max-height: 86vh;
	object-fit: contain;
	background: var(--bt-sunk);
}

.bt-lightbox__close {
	position: absolute;
	top: 0.75rem;
	right: 0.75rem;
	display: grid;
	place-items: center;
	width: 2.25rem;
	height: 2.25rem;
	font-size: 1.1rem;
	line-height: 1;
	color: var(--bt-ink);
	background: rgba(255, 253, 250, 0.94);
	border: 1px solid var(--bt-line);
	border-radius: 50%;
	cursor: pointer;
}

.bt-lightbox__close:hover {
	background: var(--bt-ink);
	color: var(--bt-bg);
	border-color: var(--bt-ink);
}

/* environment — an index with leader dots */

.bt-env {
	display: grid;
	gap: 0;
}

.bt-env li {
	display: grid;
	grid-template-columns: auto 1fr auto;
	align-items: baseline;
	gap: 0.55rem;
	padding: 0.55rem 0;
	border-bottom: 1px solid var(--bt-line-soft);
	font-size: 0.9375rem;
}

.bt-env li:last-child {
	border-bottom: 0;
}

.bt-env__key {
	color: var(--bt-ink-faint);
	font-size: 0.8125rem;
	font-weight: 600;
	letter-spacing: 0.04em;
	text-transform: uppercase;
}

.bt-env__leader {
	height: 1px;
	transform: translateY(-0.28em);
	background-image: radial-gradient(circle, var(--bt-line) 1px, transparent 1px);
	background-size: 5px 1px;
	background-repeat: repeat-x;
}

.bt-env__value {
	color: var(--bt-ink);
	overflow-wrap: anywhere;
	text-align: end;
	max-width: 62%;
}

/* ============================================================ TIMELINE */

.bt-timeline {
	position: relative;
	display: grid;
	gap: 0;
	margin: 0;
	padding-inline-start: 0;
	counter-reset: bt-event;
}

.bt-timeline::before {
	content: '';
	position: absolute;
	top: 1.1rem;
	bottom: 1.1rem;
	left: 0.9375rem;
	width: 2px;
	background: linear-gradient(180deg, var(--bt-line-soft) 0%, var(--bt-line) 12%, var(--bt-line) 88%, var(--bt-line-soft) 100%);
}

.bt-timeline__item {
	position: relative;
	display: grid;
	grid-template-columns: 2rem minmax(0, 1fr);
	gap: 0 1.15rem;
	padding: 0.55rem 0 1.5rem;
}

.bt-timeline__marker {
	position: relative;
	z-index: 1;
	display: grid;
	place-items: center;
	width: 2rem;
	height: 2rem;
	border-radius: 50%;
	background: var(--bt-bg);
	border: 2px solid var(--bt-line);
	color: var(--bt-ink-faint);
	box-shadow: 0 0 0 4px var(--bt-bg);
}

.bt-timeline__marker svg {
	width: 14px;
	height: 14px;
	fill: none;
	stroke: currentColor;
	stroke-width: 1.9;
	stroke-linecap: round;
	stroke-linejoin: round;
}

.bt-tone--accent .bt-timeline__marker {
	background: var(--bt-accent);
	border-color: var(--bt-accent);
	color: var(--bt-on-accent);
}

.bt-tone--success .bt-timeline__marker {
	background: var(--bt-sage);
	border-color: var(--bt-sage);
	color: #fff;
}

.bt-tone--warning .bt-timeline__marker {
	background: var(--bt-amber);
	border-color: var(--bt-amber);
	color: #fff;
}

.bt-tone--muted .bt-timeline__marker {
	background: var(--bt-sunk);
	border-color: var(--bt-line);
}

.bt-timeline__headline {
	font-size: 0.9375rem;
	line-height: 1.55;
	color: var(--bt-ink-soft);
}

.bt-timeline__actor {
	font-weight: 650;
	color: var(--bt-ink);
}

.bt-timeline__headline strong,
.bt-timeline__headline b {
	font-weight: 600;
	color: var(--bt-ink);
}

.bt-timeline__content {
	margin-top: 0.65rem;
	padding: 0.9rem 1.1rem;
	background: var(--bt-surface);
	border: 1px solid var(--bt-line-soft);
	border-radius: var(--bt-r-sm);
	font-size: 0.9375rem;
	color: var(--bt-ink-soft);
}

.bt-timeline__content p {
	margin: 0 0 0.6rem;
}

.bt-timeline__content p:last-child {
	margin-bottom: 0;
}

.bt-timeline__meta {
	margin-top: 0.5rem;
	font-size: 0.75rem;
	font-variant-numeric: tabular-nums;
	color: var(--bt-ink-faint);
}

.bt-timeline__item.is-private .bt-timeline__content {
	background: #fbf3e4;
	border-style: dashed;
	border-color: #e3cfa4;
}

.bt-badge {
	display: inline-block;
	margin-inline-start: 0.35rem;
	padding: 0.08rem 0.42rem;
	font-size: 0.6875rem;
	font-weight: 650;
	letter-spacing: 0.06em;
	text-transform: uppercase;
	border-radius: var(--bt-r-xs);
}

.bt-badge--private {
	color: var(--bt-amber);
	background: #f6ebd6;
}

/* the gap label — dead time made visible */

.bt-timeline__gap {
	position: relative;
	display: grid;
	grid-template-columns: 2rem minmax(0, 1fr);
	gap: 0 1.15rem;
	padding: 0 0 1.5rem;
}

.bt-timeline__gap span {
	grid-column: 1 / -1;
	justify-self: start;
	margin-inline-start: 0.28rem;
	padding: 0.12rem 0.55rem;
	background: var(--bt-bg);
	border: 1px solid var(--bt-line-soft);
	border-radius: 999px;
	font-size: 0.6875rem;
	font-weight: 600;
	letter-spacing: 0.08em;
	text-transform: uppercase;
	color: var(--bt-ink-faint);
}

.bt-timeline__empty {
	padding: 1.5rem 0;
	font-size: 0.9375rem;
	color: var(--bt-ink-faint);
}

/* skeleton used while the timeline reloads */

.bt-skeleton {
	display: grid;
	gap: 1.5rem;
	padding: 0.5rem 0;
}

.bt-skeleton__row {
	display: grid;
	grid-template-columns: 2rem minmax(0, 1fr);
	gap: 0 1.15rem;
	align-items: start;
}

.bt-skeleton__dot,
.bt-skeleton__line {
	background: linear-gradient(90deg, var(--bt-sunk) 0%, var(--bt-sand) 50%, var(--bt-sunk) 100%);
	background-size: 220% 100%;
	animation: bt-shimmer 1.5s linear infinite;
}

.bt-skeleton__dot {
	width: 2rem;
	height: 2rem;
	border-radius: 50%;
}

.bt-skeleton__lines {
	display: grid;
	gap: 0.5rem;
	padding-top: 0.4rem;
}

.bt-skeleton__line {
	height: 0.7rem;
	border-radius: 999px;
}

@keyframes bt-shimmer {
	from { background-position: 120% 0; }
	to { background-position: -120% 0; }
}

/* ------------------------------------------------------------- chips */

.bt-chip {
	display: inline-flex;
	align-items: center;
	gap: 0.4rem;
	padding: 0.18rem 0.6rem 0.18rem 0.5rem;
	font-size: 0.75rem;
	font-weight: 650;
	letter-spacing: -0.005em;
	white-space: nowrap;
	color: var(--bt-ink);
	background: var(--bt-surface);
	border: 1px solid var(--bt-line);
	border-radius: 999px;
}

.bt-chip__dot {
	width: 0.45rem;
	height: 0.45rem;
	border-radius: 50%;
	background: var(--bt-chip-color, var(--bt-ink-faint));
}

.bt-chip--severity {
	background: transparent;
	color: var(--bt-ink-soft);
	font-weight: 600;
}

/* --------------------------------------------------- update composer */

.bt-compose {
	display: grid;
	gap: 1.25rem;
	padding: 1.5rem;
	background: var(--bt-surface);
	border: 1px solid var(--bt-line);
	border-radius: var(--bt-r-md);
}

.bt-compose textarea {
	min-height: 6.5rem;
}

/* --------------------------------------------------------- the motion */

/* Only hide things up front if there is a script around to bring them back.
   Browsers without this query simply show the content, which is the safe way
   to be wrong. */
@media (scripting: enabled) {
	.bt-reveal {
		opacity: 0;
		transform: translateY(14px);
	}
}

.bt-reveal.is-in {
	opacity: 1;
	transform: none;
	transition: opacity 620ms var(--bt-ease), transform 620ms var(--bt-ease);
	transition-delay: var(--bt-delay, 0ms);
}

@media (prefers-reduced-motion: reduce) {
	.bt-root *,
	.bt-root *::before,
	.bt-root *::after {
		animation-duration: 0.001ms !important;
		animation-iteration-count: 1 !important;
		transition-duration: 0.001ms !important;
	}

	.bt-reveal {
		opacity: 1;
		transform: none;
	}
}

/* ------------------------------------------------------------ honeypot */

.bt-honeypot {
	position: absolute !important;
	left: -9999px;
	width: 1px;
	height: 1px;
	overflow: hidden;
}

/* ============================================================ WORKSPACE */

.bt-workspace {
	display: grid;
	gap: 1.75rem;
	max-width: 84rem;
	margin-inline: auto;
}

.bt-workspace__head {
	display: flex;
	flex-wrap: wrap;
	align-items: flex-end;
	justify-content: space-between;
	gap: 1rem 1.5rem;
}

.bt-workspace__title {
	margin-top: 0.35rem;
	font-family: var(--bt-display);
	font-size: clamp(1.65rem, 1.2rem + 1.8vw, 2.4rem);
	font-weight: 600;
	line-height: 1.08;
	letter-spacing: -0.02em;
}

.bt-workspace__views {
	display: inline-flex;
	padding: 3px;
	background: var(--bt-sunk);
	border: 1px solid var(--bt-line);
	border-radius: 999px;
}

.bt-toggle {
	padding: 0.4rem 1rem;
	font-size: 0.8125rem;
	font-weight: 650;
	color: var(--bt-ink-soft);
	text-decoration: none;
	border-radius: 999px;
	transition: background-color 200ms var(--bt-ease), color 200ms var(--bt-ease);
}

.bt-toggle:hover {
	color: var(--bt-ink);
}

.bt-toggle.is-on {
	color: var(--bt-ink);
	background: var(--bt-raised);
	box-shadow: 0 1px 2px rgba(74, 52, 30, 0.1);
}

/* the tally: four numbers on one band, no cards */

.bt-tally {
	display: grid;
	grid-template-columns: repeat(auto-fit, minmax(9rem, 1fr));
	border-block: 1px solid var(--bt-line);
}

.bt-tally__item {
	display: grid;
	gap: 0.3rem;
	padding: 1rem 1.15rem;
	border-inline-start: 1px solid var(--bt-line-soft);
}

.bt-tally__item:first-child {
	border-inline-start: 0;
	padding-inline-start: 0;
}

.bt-tally dd {
	font-family: var(--bt-display);
	font-size: 1.75rem;
	font-weight: 600;
	font-variant-numeric: lining-nums tabular-nums;
	line-height: 1;
	color: var(--bt-ink);
}

.bt-tally dd a {
	color: inherit;
	text-decoration: none;
	border-bottom: 2px solid var(--bt-sand);
}

.bt-tally dd a:hover {
	border-bottom-color: var(--bt-accent);
}

.bt-tally__item.is-warn dd {
	color: var(--bt-amber);
}

/* filter bar */

.bt-filters {
	display: flex;
	flex-wrap: wrap;
	align-items: center;
	gap: 0.65rem;
}

.bt-filters .bt-field {
	gap: 0;
	margin: 0;
}

.bt-field--grow {
	flex: 1 1 16rem;
}

.bt-root input[type='search'] {
	width: 100%;
	box-sizing: border-box;
	padding: 0.6rem 0.85rem;
	font-family: inherit;
	font-size: 0.9375rem;
	color: var(--bt-ink);
	background: var(--bt-raised);
	border: 1px solid var(--bt-line);
	border-radius: var(--bt-r-sm);
}

.bt-root input[type='search']:focus-visible {
	outline: 2px solid var(--bt-accent);
	outline-offset: 2px;
}

.bt-filters select {
	min-width: 9rem;
	padding-block: 0.6rem;
}

.bt-linkish {
	padding: 0;
	font: inherit;
	font-size: 0.8125rem;
	color: var(--bt-accent-deep);
	background: none;
	border: 0;
	cursor: pointer;
	text-decoration: underline;
	text-underline-offset: 0.18em;
}

.bt-linkish:hover {
	color: var(--bt-accent);
}

/* --------------------------------------------------------- the board */

.bt-board {
	display: grid;
	grid-auto-flow: column;
	grid-auto-columns: minmax(15rem, 1fr);
	gap: 1rem;
	overflow-x: auto;
	padding-bottom: 0.75rem;
	scrollbar-width: thin;
	scrollbar-color: var(--bt-sand) transparent;
}

.bt-column {
	display: grid;
	grid-template-rows: auto 1fr;
	gap: 0.75rem;
	min-width: 0;
}

.bt-column__head {
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: 0.5rem;
	padding-bottom: 0.55rem;
	border-bottom: 2px solid var(--bt-column-color, var(--bt-line));
}

.bt-column__title {
	font-size: 0.875rem;
	font-weight: 650;
	letter-spacing: -0.005em;
	color: var(--bt-ink);
}

.bt-column__count {
	font-family: var(--bt-mono);
	font-size: 0.75rem;
	font-variant-numeric: tabular-nums;
	color: var(--bt-ink-faint);
}

.bt-column__drop {
	display: grid;
	gap: 0.6rem;
	align-content: start;
	min-height: 6rem;
	padding: 0.35rem;
	border-radius: var(--bt-r-md);
	transition: background-color 200ms var(--bt-ease), box-shadow 200ms var(--bt-ease);
}

.bt-column__drop.is-target {
	background: var(--bt-accent-wash);
	box-shadow: inset 0 0 0 1.5px var(--bt-accent);
}

.bt-column__empty {
	align-self: center;
	padding: 0.75rem 0.5rem;
	font-size: 0.8125rem;
	line-height: 1.5;
	color: var(--bt-ink-faint);
	text-align: center;
}

/* cards — the one place a card genuinely earns its box */

.bt-card {
	position: relative;
	display: grid;
	gap: 0.4rem;
	padding: 0.85rem 0.9rem 0.85rem 1.1rem;
	background: var(--bt-raised);
	border: 1px solid var(--bt-line);
	border-radius: var(--bt-r-sm);
	box-shadow: 0 1px 2px rgba(74, 52, 30, 0.05);
	cursor: grab;
	transition: box-shadow 220ms var(--bt-ease), transform 220ms var(--bt-ease);
}

.bt-card::before {
	content: '';
	position: absolute;
	inset-block: 0.55rem;
	inset-inline-start: 0.45rem;
	width: 3px;
	border-radius: 999px;
	background: var(--bt-card-color, var(--bt-line));
}

.bt-card:hover {
	box-shadow: var(--bt-lift);
	transform: translateY(-1px);
}

.bt-card.is-dragging {
	opacity: 0.5;
	cursor: grabbing;
}

.bt-card.is-saving {
	opacity: 0.65;
}

.bt-card__shot {
	position: relative;
	overflow: hidden;
	aspect-ratio: 16 / 9;
	margin-bottom: 0.2rem;
	background: var(--bt-sunk);
	border-radius: var(--bt-r-xs);
}

.bt-card__shot img {
	display: block;
	width: 100%;
	height: 100%;
	object-fit: cover;
}

.bt-card__more {
	position: absolute;
	inset-block-end: 0.3rem;
	inset-inline-end: 0.3rem;
	padding: 0.05rem 0.35rem;
	font-family: var(--bt-mono);
	font-size: 0.6875rem;
	color: var(--bt-ink);
	background: rgba(255, 253, 250, 0.92);
	border-radius: var(--bt-r-xs);
}

.bt-card__ref {
	font-family: var(--bt-mono);
	font-size: 0.6875rem;
	font-variant-numeric: tabular-nums;
	color: var(--bt-ink-faint);
}

.bt-card__title {
	font-size: 0.9375rem;
	font-weight: 600;
	line-height: 1.35;
	letter-spacing: -0.008em;
}

.bt-card__title a {
	color: var(--bt-ink);
	text-decoration: none;
}

.bt-card__title a::after {
	content: '';
	position: absolute;
	inset: 0;
}

.bt-card__meta {
	display: flex;
	flex-wrap: wrap;
	align-items: center;
	gap: 0.3rem 0.5rem;
	font-size: 0.75rem;
	color: var(--bt-ink-faint);
}

.bt-card__due.is-late {
	font-weight: 650;
	color: var(--bt-clay);
}

.bt-board__hint {
	max-width: 60ch;
}

.bt-ledger--work .bt-ledger__row {
	grid-template-columns: minmax(0, 1fr);
}

@media (min-width: 40rem) {
	.bt-ledger--work .bt-ledger__row {
		grid-template-columns: minmax(0, 1fr) 12rem;
	}
}

.bt-ledger__move {
	position: relative;
	z-index: 1;
}

.bt-ledger__who {
	font-size: 0.8125rem;
	color: var(--bt-ink-faint);
}

/* toast */

.bt-toast {
	position: fixed;
	inset-block-end: 1.25rem;
	inset-inline-start: 50%;
	z-index: 40;
	padding: 0.65rem 1.1rem;
	font-size: 0.875rem;
	color: var(--bt-bg);
	background: var(--bt-ink);
	border-radius: 999px;
	box-shadow: var(--bt-lift-high);
	opacity: 0;
	transform: translate(-50%, 0.75rem);
	pointer-events: none;
	transition: opacity 260ms var(--bt-ease), transform 260ms var(--bt-ease);
}

.bt-toast.is-up {
	opacity: 1;
	transform: translate(-50%, 0);
}

.bt-toast--error {
	background: var(--bt-clay);
	color: #fff;
}

/* ============================================================ VERSIONS */

.bt-badge--edited {
	color: var(--bt-ink-faint);
	background: var(--bt-sunk);
}

.bt-history {
	margin-top: 0.6rem;
}

.bt-history > summary {
	display: inline-flex;
	align-items: center;
	gap: 0.4rem;
	font-size: 0.75rem;
	font-weight: 600;
	color: var(--bt-ink-faint);
	cursor: pointer;
	list-style: none;
}

.bt-history > summary::-webkit-details-marker {
	display: none;
}

.bt-history > summary::before {
	content: '';
	width: 0.42rem;
	height: 0.42rem;
	border-right: 1.5px solid currentColor;
	border-bottom: 1.5px solid currentColor;
	transform: rotate(-45deg);
	transition: transform 220ms var(--bt-ease);
}

.bt-history[open] > summary::before {
	transform: rotate(45deg);
}

.bt-history > summary:hover {
	color: var(--bt-ink);
}

.bt-history__body {
	margin-top: 0.75rem;
	padding: 1rem 1.15rem;
	background: var(--bt-surface);
	border: 1px solid var(--bt-line-soft);
	border-radius: var(--bt-r-sm);
}

.bt-history__list {
	display: grid;
	gap: 0.4rem;
	margin-top: 1rem;
	padding-top: 0.85rem;
	border-top: 1px solid var(--bt-line-soft);
}

.bt-history__list li {
	display: flex;
	flex-wrap: wrap;
	align-items: baseline;
	gap: 0.5rem 0.75rem;
	font-size: 0.8125rem;
	color: var(--bt-ink-faint);
}

.bt-history__v {
	font-family: var(--bt-mono);
	font-size: 0.75rem;
	font-variant-numeric: tabular-nums;
	color: var(--bt-accent-deep);
}

.bt-history__who {
	font-weight: 600;
	color: var(--bt-ink);
}

/* diffs — core renders the table, we only make it feel like it belongs */

.bt-diff__field + .bt-diff__field {
	margin-top: 1.25rem;
}

.bt-diff__label {
	margin-bottom: 0.4rem;
}

.bt-diff__note {
	font-size: 0.875rem;
	color: var(--bt-ink-faint);
}

.bt-root table.diff {
	width: 100%;
	table-layout: fixed;
	border-collapse: collapse;
	font-family: var(--bt-mono);
	font-size: 0.8125rem;
	line-height: 1.7;
}

.bt-root table.diff col.content {
	width: 48%;
}

.bt-root table.diff th {
	padding: 0.3rem 0.5rem;
	font-family: var(--bt-sans);
	font-size: 0.6875rem;
	font-weight: 600;
	letter-spacing: 0.1em;
	text-transform: uppercase;
	text-align: start;
	color: var(--bt-ink-faint);
}

.bt-root table.diff td {
	padding: 0.15rem 0.5rem;
	vertical-align: top;
	overflow-wrap: anywhere;
}

.bt-root table.diff .diff-deletedline {
	background: var(--bt-clay-wash);
}

.bt-root table.diff .diff-addedline {
	background: #e8f1ea;
}

.bt-root table.diff del {
	background: #f2d5cb;
	color: var(--bt-clay);
	text-decoration: none;
}

.bt-root table.diff ins {
	background: #cfe6d6;
	color: #2f5c3a;
	text-decoration: none;
}

/* inline entry editor */

.bt-entry-edit {
	display: grid;
	gap: 0.75rem;
}

.bt-entry-edit textarea {
	min-height: 5rem;
}

.bt-entry-edit__actions {
	display: flex;
	flex-wrap: wrap;
	align-items: center;
	gap: 0.6rem;
}

.bt-entry-edit__actions .bt-button {
	padding: 0.5rem 1rem;
	font-size: 0.8125rem;
}

/* the bug's own version list */

.bt-versions {
	display: grid;
	gap: 0;
	border-top: 1px solid var(--bt-line-soft);
}

.bt-versions__item {
	padding: 1rem 0;
	border-bottom: 1px solid var(--bt-line-soft);
}

.bt-versions__head {
	display: flex;
	flex-wrap: wrap;
	align-items: baseline;
	gap: 0.4rem 0.85rem;
	font-size: 0.8125rem;
	color: var(--bt-ink-faint);
}

.bt-versions__v {
	font-family: var(--bt-mono);
	font-size: 0.8125rem;
	font-weight: 600;
	font-variant-numeric: tabular-nums;
	color: var(--bt-accent-deep);
}

.bt-versions__who {
	font-weight: 650;
	color: var(--bt-ink);
}

.bt-versions__reason {
	padding: 0.05rem 0.45rem;
	font-size: 0.6875rem;
	font-weight: 600;
	letter-spacing: 0.06em;
	text-transform: uppercase;
	color: var(--bt-ink-faint);
	background: var(--bt-sunk);
	border-radius: 999px;
}

/* ====================================================== FULLSCREEN VIEWER */

.bt-viewer {
	width: 100vw;
	max-width: 100vw;
	height: 100dvh;
	max-height: 100dvh;
	padding: 0;
	margin: 0;
	border: 0;
	background: #16110c;
	color: #f5efe6;
	overflow: hidden;
}

.bt-viewer::backdrop {
	background: #16110c;
}

.bt-viewer__stage {
	display: grid;
	place-items: center;
	width: 100%;
	height: 100%;
	padding: 3.5rem 1rem 4.5rem;
	box-sizing: border-box;
	overflow: hidden;
	cursor: zoom-in;
}

.bt-viewer__image {
	max-width: 100%;
	max-height: 100%;
	object-fit: contain;
	border-radius: 2px;
	transition: transform 320ms var(--bt-ease, cubic-bezier(0.22, 0.61, 0.36, 1)), opacity 200ms linear;
	user-select: none;
}

.bt-viewer.is-loading .bt-viewer__image {
	opacity: 0;
}

.bt-viewer.is-zoomed .bt-viewer__stage {
	cursor: zoom-out;
}

.bt-viewer__bar {
	position: absolute;
	inset-inline: 0;
	inset-block-end: 0;
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: 1rem;
	padding: 1rem 1.35rem;
	font-size: 0.8125rem;
	background: linear-gradient(180deg, transparent, rgba(0, 0, 0, 0.55));
}

.bt-viewer__counter {
	font-family: var(--bt-mono, ui-monospace, monospace);
	font-variant-numeric: tabular-nums;
	letter-spacing: 0.06em;
	color: #cbbfae;
}

.bt-viewer__link {
	color: #f5efe6;
	text-decoration: underline;
	text-underline-offset: 0.2em;
}

.bt-viewer__link:hover {
	color: #fff;
}

.bt-viewer__nav,
.bt-viewer__close {
	position: absolute;
	display: grid;
	place-items: center;
	color: #f5efe6;
	background: rgba(255, 255, 255, 0.08);
	border: 1px solid rgba(255, 255, 255, 0.16);
	border-radius: 50%;
	cursor: pointer;
	transition: background-color 200ms var(--bt-ease, ease), transform 200ms var(--bt-ease, ease);
}

.bt-viewer__nav svg,
.bt-viewer__close svg {
	width: 22px;
	height: 22px;
	fill: none;
	stroke: currentColor;
	stroke-width: 2;
	stroke-linecap: round;
	stroke-linejoin: round;
}

.bt-viewer__nav:hover,
.bt-viewer__close:hover {
	background: rgba(255, 255, 255, 0.18);
}

.bt-viewer__nav {
	inset-block-start: 50%;
	width: 3rem;
	height: 3rem;
	transform: translateY(-50%);
}

.bt-viewer__nav:hover {
	transform: translateY(-50%) scale(1.06);
}

.bt-viewer__nav--prev {
	inset-inline-start: 1rem;
}

.bt-viewer__nav--next {
	inset-inline-end: 1rem;
}

.bt-viewer__close {
	inset-block-start: 1rem;
	inset-inline-end: 1rem;
	width: 2.75rem;
	height: 2.75rem;
}

.bt-viewer :focus-visible {
	outline: 2px solid #f5efe6;
	outline-offset: 3px;
}

@media (max-width: 34rem) {
	.bt-viewer__nav {
		width: 2.5rem;
		height: 2.5rem;
	}

	.bt-viewer__nav--prev {
		inset-inline-start: 0.5rem;
	}

	.bt-viewer__nav--next {
		inset-inline-end: 0.5rem;
	}
}

/* ========================================================== THE EDITOR */

.bt-case__actions {
	display: flex;
	flex-wrap: wrap;
	gap: 0.6rem;
}

.bt-editing__head {
	display: flex;
	flex-wrap: wrap;
	align-items: flex-start;
	justify-content: space-between;
	gap: 1rem 1.5rem;
	padding-bottom: 1.25rem;
	border-bottom: 1px solid var(--bt-line);
}

.bt-editing__head .bt-hint {
	margin-top: 0.4rem;
	max-width: 52ch;
}

.bt-editor {
	display: grid;
	gap: 2.5rem 3rem;
	align-items: start;
}

@media (min-width: 60rem) {
	.bt-editor {
		grid-template-columns: minmax(0, 1fr) 17rem;
	}
}

.bt-editor__main {
	display: grid;
	gap: 1.5rem;
}

.bt-triage {
	display: grid;
	gap: 1rem;
	padding: 1.35rem;
	background: var(--bt-surface);
	border: 1px solid var(--bt-line);
	border-radius: var(--bt-r-md);
	box-shadow: var(--bt-lift);
}

.bt-triage__label {
	margin-bottom: 0.15rem;
}

.bt-shots--editing .bt-shots__item {
	position: relative;
}

.bt-shots--editing .bt-shot {
	cursor: default;
}

.bt-shots__remove {
	position: absolute;
	inset-block-start: 0.4rem;
	inset-inline-end: 0.4rem;
	display: grid;
	place-items: center;
	width: 1.7rem;
	height: 1.7rem;
	padding: 0;
	font-size: 1rem;
	line-height: 1;
	color: var(--bt-ink);
	background: rgba(255, 253, 250, 0.94);
	border: 1px solid var(--bt-line);
	border-radius: 50%;
	cursor: pointer;
	transition: background-color 160ms var(--bt-ease), color 160ms var(--bt-ease);
}

.bt-shots__remove:hover {
	background: var(--bt-clay);
	border-color: var(--bt-clay);
	color: #fff;
}

.bt-root input[type='date'] {
	width: 100%;
	box-sizing: border-box;
	padding: 0.65rem 0.85rem;
	font-family: inherit;
	font-size: 0.9375rem;
	color: var(--bt-ink);
	background: var(--bt-raised);
	border: 1px solid var(--bt-line);
	border-radius: var(--bt-r-sm);
}

.bt-workspace__actions {
	display: flex;
	flex-wrap: wrap;
	align-items: center;
	gap: 0.75rem;
}

/* =========================================================== DASHBOARD */

.bt-dash {
	display: grid;
	gap: 1.75rem;
	max-width: 76rem;
	margin-inline: auto;
}

.bt-dash__head {
	display: flex;
	flex-wrap: wrap;
	align-items: flex-end;
	justify-content: space-between;
	gap: 1rem 2rem;
}

.bt-dash__title {
	margin-top: 0.35rem;
	font-family: var(--bt-display);
	font-size: clamp(1.75rem, 1.2rem + 2vw, 2.6rem);
	font-weight: 600;
	line-height: 1.06;
	letter-spacing: -0.022em;
}

.bt-dash__intro {
	margin-top: 0.6rem;
	max-width: 52ch;
	font-size: 1.0625rem;
	color: var(--bt-ink-soft);
}

.bt-dash__actions {
	display: flex;
	flex-wrap: wrap;
	gap: 0.65rem;
}

.bt-dash__footnote {
	margin-top: -1rem;
}

.bt-dash__grid {
	display: grid;
	gap: 1.25rem;
	grid-template-columns: repeat(auto-fit, minmax(18rem, 1fr));
}

.bt-panel {
	display: grid;
	gap: 1rem;
	align-content: start;
	padding: 1.5rem 1.65rem;
	background: var(--bt-surface);
	border: 1px solid var(--bt-line);
	border-radius: var(--bt-r-md);
}

.bt-panel--wide {
	grid-column: 1 / -1;
}

.bt-panel__title {
	font-family: var(--bt-display);
	font-size: 1.125rem;
	font-weight: 600;
	letter-spacing: -0.012em;
	color: var(--bt-ink);
}

.bt-legend {
	display: flex;
	flex-wrap: wrap;
	gap: 0.85rem;
	font-size: 0.75rem;
	color: var(--bt-ink-faint);
}

.bt-legend__item {
	display: inline-flex;
	align-items: center;
	gap: 0.35rem;
}

.bt-legend__item::before {
	content: '';
	width: 0.9rem;
	height: 2px;
	border-radius: 999px;
}

.bt-legend__item--opened::before {
	background: var(--bt-clay);
}

.bt-legend__item--closed::before {
	background: var(--bt-accent);
}

/* the 30 day line */

.bt-spark {
	display: block;
	width: 100%;
	height: auto;
	overflow: visible;
}

.bt-spark__axis {
	stroke: var(--bt-line);
	stroke-width: 1;
}

.bt-spark__line {
	fill: none;
	stroke-width: 2;
	stroke-linecap: round;
	stroke-linejoin: round;
}

.bt-spark__line--opened {
	stroke: var(--bt-clay);
}

.bt-spark__line--closed {
	stroke: var(--bt-accent);
}

.bt-spark__label {
	font-family: var(--bt-mono);
	font-size: 11px;
	fill: var(--bt-ink-faint);
}

/* status distribution */

.bt-bars {
	display: grid;
	gap: 0.6rem;
}

.bt-bars__row {
	display: grid;
	grid-template-columns: 8.5rem 1fr 2.5rem;
	align-items: center;
	gap: 0.75rem;
	font-size: 0.8125rem;
}

.bt-bars__label {
	color: var(--bt-ink-soft);
	overflow: hidden;
	text-overflow: ellipsis;
	white-space: nowrap;
}

.bt-bars__track {
	height: 8px;
	background: var(--bt-sunk);
	border-radius: 999px;
	overflow: hidden;
}

.bt-bars__fill {
	display: block;
	height: 100%;
	min-width: 3px;
	border-radius: 999px;
}

.bt-bars__count {
	font-variant-numeric: tabular-nums;
	text-align: end;
	color: var(--bt-ink);
	font-weight: 600;
}

/* workload */

.bt-people {
	display: grid;
	gap: 0.55rem;
}

.bt-people li {
	display: grid;
	grid-template-columns: auto 1fr auto;
	align-items: baseline;
	gap: 0.55rem;
	font-size: 0.875rem;
}

.bt-people__name {
	color: var(--bt-ink);
}

.bt-people__leader {
	height: 1px;
	transform: translateY(-0.28em);
	background-image: radial-gradient(circle, var(--bt-line) 1px, transparent 1px);
	background-size: 5px 1px;
	background-repeat: repeat-x;
}

.bt-people__count {
	font-variant-numeric: tabular-nums;
	font-weight: 650;
	color: var(--bt-ink);
}

/* gone quiet */

.bt-quiet {
	display: grid;
	gap: 0.7rem;
}

.bt-quiet li {
	display: grid;
	gap: 0.15rem;
	font-size: 0.875rem;
}

.bt-quiet a {
	color: var(--bt-ink);
	text-decoration: none;
	font-weight: 600;
}

.bt-quiet a:hover {
	color: var(--bt-accent-deep);
	text-decoration: underline;
}

.bt-quiet__when {
	font-size: 0.75rem;
	color: var(--bt-amber);
}

/* activity feed */

.bt-feed {
	display: grid;
	gap: 0;
}

.bt-feed__item {
	display: flex;
	flex-wrap: wrap;
	align-items: baseline;
	gap: 0.3rem 0.5rem;
	padding: 0.7rem 0;
	border-bottom: 1px solid var(--bt-line-soft);
	font-size: 0.9375rem;
	color: var(--bt-ink-soft);
}

.bt-feed__item:last-child {
	border-bottom: 0;
}

.bt-feed__who {
	font-weight: 650;
	color: var(--bt-ink);
}

.bt-feed__bug {
	color: var(--bt-accent-deep);
	text-decoration: none;
	border-bottom: 1px solid var(--bt-sand);
}

.bt-feed__bug:hover {
	border-bottom-color: var(--bt-accent);
}

.bt-feed__when {
	margin-inline-start: auto;
	font-size: 0.75rem;
	font-variant-numeric: tabular-nums;
	color: var(--bt-ink-faint);
	white-space: nowrap;
}

@media (max-width: 34rem) {
	.bt-bars__row {
		grid-template-columns: 6.5rem 1fr 2.2rem;
	}

	.bt-feed__when {
		margin-inline-start: 0;
	}
}

/* ============================================================= SIGN IN */

.bt-signin {
	display: grid;
	gap: 1.25rem;
	justify-items: center;
	max-width: 30rem;
	margin-inline: auto;
	padding-block: 2rem;
}

.bt-signin__card {
	width: 100%;
	padding: 2.25rem 2rem;
	background: var(--bt-surface);
	border: 1px solid var(--bt-line);
	border-radius: var(--bt-r-lg);
	box-shadow: var(--bt-lift);
}

.bt-signin__title {
	margin-top: 0.5rem;
	font-family: var(--bt-display);
	font-size: 1.85rem;
	font-weight: 600;
	line-height: 1.1;
	letter-spacing: -0.02em;
	color: var(--bt-ink);
}

.bt-signin__intro {
	margin-top: 0.5rem;
	font-size: 0.9375rem;
	color: var(--bt-ink-soft);
}

.bt-signin__form {
	display: grid;
	gap: 1.15rem;
	margin-top: 1.75rem;
}

.bt-signin__form .bt-submit {
	justify-content: space-between;
}

.bt-signin__form .bt-button {
	flex: 1 1 auto;
}

.bt-signin__actions {
	display: flex;
	flex-wrap: wrap;
	align-items: center;
	gap: 1rem;
	margin-top: 1.5rem;
}

.bt-signin__foot {
	max-width: 42ch;
	font-size: 0.8125rem;
	line-height: 1.6;
	text-align: center;
	color: var(--bt-ink-faint);
}

.bt-signin .bt-notice {
	margin: 1.5rem 0 0;
}

/* the locked message shown in place of a panel */

.bt-locked {
	display: grid;
	justify-items: center;
	gap: 0.5rem;
	max-width: 34rem;
	margin-inline: auto;
	padding: 3rem 1.5rem;
	text-align: center;
}

.bt-locked__title {
	font-family: var(--bt-display);
	font-size: 1.5rem;
	font-weight: 600;
	line-height: 1.15;
	letter-spacing: -0.015em;
	color: var(--bt-ink);
}

.bt-locked__body {
	max-width: 44ch;
	font-size: 0.9375rem;
	color: var(--bt-ink-soft);
}

.bt-locked p:last-child {
	margin-top: 0.75rem;
}