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

body {
	margin: 0;
	font-family: var(--font-family);
	background: var(--colour-background);
	color: var(--colour-text);
	accent-color: var(--colour-accent);
}

a {
	color: var(--colour-accent);
}

:focus-visible {
	outline: 2px solid var(--colour-accent);
	outline-offset: 2px;
}

main {
	display: grid;
	/* Stop wide content widening the page */
	grid-template-columns: minmax(0, 1fr);
	gap: var(--space-l);
	max-inline-size: var(--content-width);
	margin-inline: auto;
	padding: var(--space);
}

/* A day page fits the viewport, with its list taking what's left */
main:has(.day) {
	block-size: 100dvh;
	grid-template-rows: auto auto 1fr;
}

h1,
h2 {
	margin: 0;
}

h1 {
	font-family: var(--font-family-heading);
}

.title__link {
	color: inherit;
	text-decoration: none;
}

input,
select,
textarea,
button {
	min-block-size: 2.75rem;
	padding: var(--space-s);
	border: 1px solid var(--colour-border);
	border-radius: var(--radius);
	background: var(--colour-surface);
	color: inherit;
	font: inherit;
}

/* iOS Safari draws date inputs as grey pills unless told otherwise */
input[type="date"],
input[type="datetime-local"] {
	appearance: none;
}

/* iOS Safari centres the date by default */
::-webkit-date-and-time-value {
	text-align: start;
}

button {
	padding-inline: var(--space);
}

button[type="submit"] {
	border-color: var(--colour-accent);
	background: var(--colour-accent);
	color: var(--colour-background);
}

/* Main screen and toilet choice */

.buttons {
	display: grid;
	grid-template-columns: repeat(2, 1fr);
	gap: var(--space);
}

.buttons__button {
	display: grid;
	place-content: center;
	justify-items: center;
	gap: var(--space-s);
	min-block-size: var(--button-height);
	border: 1px solid var(--colour-border);
	border-radius: var(--radius);
	background: var(--colour-surface);
	color: inherit;
	font-size: 1rem;
	text-align: center;
	text-decoration: none;
}

.buttons__button:active {
	background: var(--colour-border);
}

.buttons__icon {
	font-size: var(--button-icon-size);
	line-height: 1;
}

.buttons__button--both {
	grid-column: span 2;
}

.buttons--compact {
	grid-template-columns: repeat(4, 1fr);
	gap: var(--space-s);
	--button-height: var(--button-height-compact);
	--button-icon-size: var(--button-icon-size-compact);
}

/* Day navigation */

.day-nav {
	display: grid;
	grid-template-columns: auto 1fr auto;
	align-items: center;
	gap: var(--space-s) var(--space);
}

.day-nav__arrow {
	padding-inline: var(--space-s);
	color: inherit;
	font-size: 2rem;
	text-decoration: none;
}

.day-nav__arrow[aria-disabled="true"] {
	opacity: 0.3;
}

/* Label and date on one line, wrapping if a long weekday doesn't fit */
.day-nav__picker {
	display: flex;
	flex-wrap: wrap;
	justify-content: center;
	align-items: center;
	gap: var(--space-s);
}

.day-nav__heading {
	font-size: inherit;
}

/* A day's events */

.day {
	display: flex;
	flex-direction: column;
	gap: var(--space);
	min-block-size: 0;
}

.day__totals {
	display: flex;
	flex-wrap: wrap;
	justify-content: center;
	gap: var(--space);
	margin: 0;
	color: var(--colour-muted);
	font-variant-numeric: tabular-nums;
}

.chart {
	margin: 0;
}

.chart svg {
	display: block;
	inline-size: 100%;
	block-size: auto;
}

/* Centre each emoji over its event line */
.chart .text-overlay .label {
	text-anchor: middle;
}

/* Scrolls by itself, so the buttons and day navigation stay put */
.day__list {
	flex: 1;
	display: grid;
	align-content: start;
	min-block-size: 0;
	margin: 0;
	padding: 0;
	overflow-y: auto;
	overscroll-behavior: contain;
	list-style: none;
}

.day__item {
	display: grid;
	grid-template-columns: max-content 1fr;
	column-gap: var(--space);
	padding-block: var(--space-s);
	border-block-end: 1px solid var(--colour-border);
	color: inherit;
	text-decoration: none;
}

.day__time {
	color: var(--colour-muted);
	font-variant-numeric: tabular-nums;
}

.day__notes {
	grid-column: 2;
	color: var(--colour-muted);
}

/* Log and edit forms */

.form {
	display: grid;
	gap: var(--space);
}

.form__field {
	display: grid;
	gap: var(--space-s);
}

.form__field textarea {
	field-sizing: content;
	min-block-size: 3lh;
}

.form__actions {
	display: flex;
	flex-wrap: wrap;
	align-items: center;
	gap: var(--space);
}

.form__error {
	margin: 0;
	color: var(--colour-danger);
}

.form__delete {
	color: var(--colour-danger);
}

/* Confirmation after a change, fading out by itself */

.toast {
	position: fixed;
	inset-block-end: max(var(--space), env(safe-area-inset-bottom));
	inset-inline: 0;
	inline-size: fit-content;
	margin-inline: auto;
	padding: var(--space-s) var(--space);
	border-radius: var(--radius);
	background: var(--colour-text);
	color: var(--colour-background);
	pointer-events: none;
	animation: toast-fade 0.5s ease-in 3s forwards;
}

@keyframes toast-fade {
	to {
		opacity: 0;
		visibility: hidden;
	}
}