/**
 * Capture screen.
 *
 * One column, one gauge, one button. The gauge is the only chromatic event
 * on the page: a hairline that fills as the piece approaches book length.
 */

:root {
	--mem-ground: #ecefea;
	--mem-ink: #1a1d1b;
	--mem-muted: #868d87;
	--mem-hairline: #d4d9d3;
	--mem-reached: #2e5a43;

	--mem-serif: "Iowan Old Style", "Palatino Linotype", Palatino, "Book Antiqua", "URW Palladio L", Georgia, serif;
	--mem-sans: ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;

	--mem-measure: 34rem;
	--mem-bar-height: 4.5rem;
}

* {
	box-sizing: border-box;
}

html,
body.mem-write {
	margin: 0;
	padding: 0;
	background: var(--mem-ground);
	color: var(--mem-ink);
	-webkit-font-smoothing: antialiased;
	-moz-osx-font-smoothing: grayscale;
}

.mem-visually-hidden {
	position: absolute;
	width: 1px;
	height: 1px;
	margin: -1px;
	padding: 0;
	overflow: hidden;
	clip: rect(0 0 0 0);
	white-space: nowrap;
	border: 0;
}

/* ---------------------------------------------------------------- surface */

.mem-surface {
	min-height: 100vh;
	padding: 12vh 1.5rem calc(var(--mem-bar-height) + 6rem);
}

#mem-form {
	max-width: var(--mem-measure);
	margin: 0 auto;
}

.mem-title,
.mem-body {
	display: block;
	width: 100%;
	background: transparent;
	border: 0;
	outline: 0;
	color: var(--mem-ink);
	font-family: var(--mem-serif);
	resize: none;
	padding: 0;
}

.mem-title {
	font-size: 1.75rem;
	line-height: 1.3;
	font-weight: 400;
	letter-spacing: -0.01em;
	margin-bottom: 2.25rem;
}

.mem-body {
	font-size: 1.125rem;
	line-height: 1.75;
	min-height: 60vh;
	overflow: hidden;
}

.mem-title::placeholder,
.mem-body::placeholder {
	color: var(--mem-muted);
	opacity: 1;
}

.mem-title:focus-visible,
.mem-body:focus-visible {
	outline: 0;
}

/* ------------------------------------------------------------------- bar */

.mem-bar {
	position: fixed;
	left: 0;
	right: 0;
	bottom: 0;
	height: var(--mem-bar-height);
	background: linear-gradient(to top, var(--mem-ground) 55%, rgba(236, 239, 234, 0));
	padding-bottom: env(safe-area-inset-bottom);
}

.mem-bar-inner {
	position: relative;
	max-width: var(--mem-measure);
	margin: 0 auto;
	height: 100%;
	padding: 0 1.5rem;
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: 1rem;
}

/* The gauge: a hairline spanning the measure, filling toward the threshold. */

.mem-gauge {
	position: absolute;
	top: 0;
	left: 1.5rem;
	right: 1.5rem;
	height: 1px;
	background: var(--mem-hairline);
}

.mem-gauge-fill {
	height: 100%;
	width: 0;
	background: var(--mem-ink);
	transform-origin: left center;
	transition: width 220ms ease-out, background-color 400ms ease;
}

.mem-gauge-fill.is-reached {
	background: var(--mem-reached);
	height: 2px;
	margin-top: -0.5px;
}

.mem-meta {
	font-family: var(--mem-sans);
	font-size: 0.75rem;
	letter-spacing: 0.04em;
	color: var(--mem-muted);
	display: flex;
	align-items: baseline;
	gap: 0.35rem;
	font-variant-numeric: tabular-nums;
}

.mem-count {
	color: var(--mem-ink);
}

.mem-count.is-reached {
	color: var(--mem-reached);
}

.mem-count-of.is-hidden {
	visibility: hidden;
}

.mem-saved {
	margin-left: 0.75rem;
	opacity: 0;
	transition: opacity 300ms ease;
}

.mem-saved.is-visible {
	opacity: 1;
}

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

.mem-submit {
	font-family: var(--mem-sans);
	font-size: 0.8125rem;
	letter-spacing: 0.02em;
	color: var(--mem-muted);
	background: transparent;
	border: 1px solid var(--mem-hairline);
	border-radius: 2px;
	padding: 0.5rem 1.125rem;
	cursor: pointer;
	transition: color 200ms ease, border-color 200ms ease, background-color 200ms ease;
}

.mem-submit:disabled {
	cursor: default;
	opacity: 0.45;
}

.mem-submit:not(:disabled):hover {
	color: var(--mem-ink);
	border-color: var(--mem-muted);
}

.mem-submit.is-reached:not(:disabled) {
	color: #fff;
	background: var(--mem-reached);
	border-color: var(--mem-reached);
}

.mem-submit:focus-visible {
	outline: 2px solid var(--mem-reached);
	outline-offset: 2px;
}

/* ------------------------------------------------------------------ done */

.mem-done {
	position: fixed;
	inset: 0;
	background: var(--mem-ground);
	display: flex;
	flex-direction: column;
	align-items: center;
	justify-content: center;
	gap: 1.75rem;
	padding: 1.5rem;
	text-align: center;
}

.mem-done[hidden] {
	display: none;
}

.mem-done-text {
	font-family: var(--mem-serif);
	font-size: 1.125rem;
	color: var(--mem-ink);
	margin: 0;
	max-width: 24rem;
	line-height: 1.6;
}

.mem-again {
	font-family: var(--mem-sans);
	font-size: 0.8125rem;
	letter-spacing: 0.02em;
	color: var(--mem-muted);
	background: transparent;
	border: 0;
	border-bottom: 1px solid var(--mem-hairline);
	padding: 0.25rem 0;
	cursor: pointer;
}

.mem-again:hover {
	color: var(--mem-ink);
	border-bottom-color: var(--mem-muted);
}

.mem-again:focus-visible {
	outline: 2px solid var(--mem-reached);
	outline-offset: 3px;
}

/* ----------------------------------------------------------------- small */

@media (max-width: 40rem) {
	.mem-surface {
		padding-top: 7vh;
	}

	.mem-title {
		font-size: 1.5rem;
	}

	.mem-body {
		font-size: 1.0625rem;
	}
}

@media (prefers-reduced-motion: reduce) {
	.mem-gauge-fill,
	.mem-saved,
	.mem-submit {
		transition: none;
	}
}

/* ----------------------------------------------------------------- login */

.mem-login {
	min-height: 100vh;
	display: flex;
	flex-direction: column;
	align-items: center;
	justify-content: center;
	padding: 1.5rem;
}

.mem-login-form {
	width: 100%;
	max-width: 18rem;
	display: flex;
	flex-direction: column;
	gap: 0.75rem;
}

.mem-login-label {
	font-family: var(--mem-sans);
	font-size: 0.6875rem;
	letter-spacing: 0.09em;
	text-transform: uppercase;
	color: var(--mem-muted);
}

.mem-login-input {
	font-family: var(--mem-serif);
	font-size: 1.125rem;
	color: var(--mem-ink);
	background: transparent;
	border: 0;
	border-bottom: 1px solid var(--mem-hairline);
	border-radius: 0;
	padding: 0.4rem 0;
	outline: 0;
	letter-spacing: 0.08em;
	transition: border-color 200ms ease;
}

.mem-login-input:focus {
	border-bottom-color: var(--mem-reached);
}

.mem-login-error {
	font-family: var(--mem-sans);
	font-size: 0.75rem;
	color: var(--mem-ink);
	margin: 0;
}

.mem-login-submit {
	align-self: flex-start;
	margin-top: 0.5rem;
	font-family: var(--mem-sans);
	font-size: 0.8125rem;
	letter-spacing: 0.02em;
	color: #fff;
	background: var(--mem-reached);
	border: 1px solid var(--mem-reached);
	border-radius: 2px;
	padding: 0.5rem 1.5rem;
	cursor: pointer;
}

.mem-login-submit:focus-visible {
	outline: 2px solid var(--mem-reached);
	outline-offset: 2px;
}

.mem-login-note {
	font-family: var(--mem-serif);
	font-size: 1rem;
	line-height: 1.6;
	color: var(--mem-ink);
	max-width: 22rem;
	text-align: center;
	margin: 0 0 1.25rem;
}

.mem-login-alt {
	font-family: var(--mem-sans);
	font-size: 0.8125rem;
	color: var(--mem-muted);
	text-decoration: none;
	border-bottom: 1px solid var(--mem-hairline);
	padding-bottom: 0.15rem;
}

.mem-login-alt:hover {
	color: var(--mem-ink);
}

/* ------------------------------------------------------------------ desk */

.mem-desk-link {
	font-family: var(--mem-sans);
	font-size: 0.75rem;
	letter-spacing: 0.04em;
	color: var(--mem-muted);
	text-decoration: none;
	opacity: 0.55;
	transition: opacity 200ms ease, color 200ms ease;
}

.mem-desk-link:hover,
.mem-desk-link:focus-visible {
	opacity: 1;
	color: var(--mem-ink);
}

.mem-desk {
	max-width: var(--mem-measure);
	margin: 0 auto;
	padding: 10vh 1.5rem 6rem;
}

.mem-desk-nav {
	margin-bottom: 3rem;
}

.mem-desk-back {
	font-family: var(--mem-sans);
	font-size: 0.75rem;
	letter-spacing: 0.04em;
	color: var(--mem-muted);
	text-decoration: none;
	border-bottom: 1px solid var(--mem-hairline);
	padding-bottom: 0.15rem;
}

.mem-desk-back:hover {
	color: var(--mem-ink);
}

.mem-desk-group {
	margin-bottom: 2.75rem;
}

.mem-desk-heading {
	font-family: var(--mem-sans);
	font-size: 0.6875rem;
	font-weight: 400;
	letter-spacing: 0.09em;
	text-transform: uppercase;
	color: var(--mem-muted);
	margin: 0 0 0.85rem;
	padding-bottom: 0.5rem;
	border-bottom: 1px solid var(--mem-hairline);
}

.mem-desk-item {
	display: block;
	text-decoration: none;
	padding: 0.7rem 0;
	border-bottom: 1px solid rgba(212, 217, 211, 0.5);
}

.mem-desk-item:hover .mem-desk-title,
.mem-desk-item:focus-visible .mem-desk-title {
	color: var(--mem-reached);
}

.mem-desk-item:focus-visible {
	outline: 2px solid var(--mem-reached);
	outline-offset: 3px;
}

.mem-desk-title {
	display: block;
	font-family: var(--mem-serif);
	font-size: 1.0625rem;
	line-height: 1.4;
	color: var(--mem-ink);
	transition: color 200ms ease;
}

.mem-desk-detail {
	display: block;
	font-family: var(--mem-sans);
	font-size: 0.6875rem;
	letter-spacing: 0.03em;
	color: var(--mem-muted);
	margin-top: 0.2rem;
	font-variant-numeric: tabular-nums;
}

/* Two devices edited one piece while one of them was offline. Both were kept. */

.mem-desk-variant {
	display: inline-block;
	font-family: var(--mem-sans);
	font-size: 0.625rem;
	letter-spacing: 0.04em;
	text-transform: uppercase;
	color: var(--mem-ink);
	border: 1px solid var(--mem-hairline);
	padding: 0.1rem 0.4rem;
	margin-top: 0.35rem;
}

.mem-desk-empty {
	font-family: var(--mem-serif);
	font-size: 1rem;
	color: var(--mem-muted);
	line-height: 1.6;
}

.mem-greeting {
	font-family: var(--mem-serif);
	font-size: 1.5rem;
	line-height: 1.3;
	color: var(--mem-ink);
	margin: 0 0 1.25rem;
	letter-spacing: -0.01em;
}

.mem-login-admin {
	font-family: var(--mem-sans);
	font-size: 0.6875rem;
	letter-spacing: 0.05em;
	color: var(--mem-muted);
	text-decoration: none;
	opacity: 0.5;
	margin-top: 2.5rem;
	align-self: flex-start;
	transition: opacity 200ms ease;
}

.mem-login-admin:hover,
.mem-login-admin:focus-visible {
	opacity: 1;
	color: var(--mem-ink);
}

/* --------------------------------------------------------- desk tabs/read */

.mem-desk-tabs {
	display: flex;
	gap: 1.5rem;
	margin-bottom: 2.5rem;
	border-bottom: 1px solid var(--mem-hairline);
}

.mem-desk-tab {
	font-family: var(--mem-sans);
	font-size: 0.75rem;
	letter-spacing: 0.05em;
	color: var(--mem-muted);
	text-decoration: none;
	padding-bottom: 0.6rem;
	margin-bottom: -1px;
	border-bottom: 1px solid transparent;
	transition: color 200ms ease;
}

.mem-desk-tab:hover {
	color: var(--mem-ink);
}

.mem-desk-tab.is-active {
	color: var(--mem-reached);
	border-bottom-color: var(--mem-reached);
}

.mem-read {
	max-width: var(--mem-measure);
	margin: 0 auto;
	padding: 10vh 1.5rem 8rem;
}

.mem-read-title {
	font-family: var(--mem-serif);
	font-size: 1.75rem;
	font-weight: 400;
	line-height: 1.3;
	letter-spacing: -0.01em;
	color: var(--mem-ink);
	margin: 0 0 0.5rem;
}

.mem-read-meta {
	font-family: var(--mem-sans);
	font-size: 0.6875rem;
	letter-spacing: 0.04em;
	color: var(--mem-muted);
	margin: 0 0 2.25rem;
	font-variant-numeric: tabular-nums;
}

.mem-read-body {
	font-family: var(--mem-serif);
	font-size: 1.125rem;
	line-height: 1.75;
	color: var(--mem-ink);
	white-space: pre-wrap;
}

/* ------------------------------------------------- bottom bar, no wrapping */

.mem-submit {
	white-space: nowrap;
	flex-shrink: 0;
}

.mem-meta {
	white-space: nowrap;
	flex-shrink: 0;
}

.mem-desk-link {
	flex-shrink: 0;
}

@media (max-width: 30rem) {
	:root {
		--mem-bar-height: 4rem;
	}

	.mem-bar-inner {
		padding: 0 1rem;
		gap: 0.6rem;
	}

	.mem-gauge {
		left: 1rem;
		right: 1rem;
	}

	.mem-meta {
		font-size: 0.6875rem;
		gap: 0.25rem;
	}

	.mem-submit {
		font-size: 0.75rem;
		padding: 0.45rem 0.85rem;
	}

	.mem-desk-link {
		font-size: 0.6875rem;
	}
}