/* Calendar (modules/calendar): the toolbar, the week grid (from 992px), the day lists, and the working hours,
   time away and booking pages. Green marks a first consultation; blue every other kind. */

/* --- Toolbar: arrows, the dates and Today on the left; the view switch and buttons on the right --- */
.calendar__bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-4);
  margin-block: var(--sp-6);
}

.calendar__when {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--sp-2) var(--sp-3);
}

.calendar__arrow {
  display: grid;
  place-items: center;
  width: var(--sp-8);
  height: var(--sp-8);
  color: var(--c-text);
  text-decoration: none;
  border: var(--border-1) solid var(--c-line);
  border-radius: 50%;
  transition: border-color var(--duration-fast) var(--ease);
}

.calendar__arrow:hover {
  border-color: var(--c-accent-border);
}

.calendar__heading {
  font-size: var(--fs-h4);
}

.calendar__today {
  font-size: var(--fs-small);
  font-weight: 500;
  color: var(--c-accent-text);
}

.calendar__actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--sp-2);
}

/* Day | Week: two halves of one pill, the current one pale blue. */
.calendar__modes {
  display: flex;
  overflow: hidden;
  border: var(--border-1) solid var(--c-line);
  border-radius: var(--radius-pill);
}

.calendar__modes a {
  display: grid;
  place-items: center;
  min-height: calc(var(--button-h-md) - 2 * var(--border-1)); /* the pill with its border matches the buttons beside it */
  padding-inline: var(--sp-4);
  font-size: var(--fs-small);
  font-weight: 500;
  color: var(--c-text);
  text-decoration: none;
}

.calendar__modes a[aria-current="page"] {
  color: var(--c-accent-text);
  background-color: var(--c-accent);
}

/* --- The week grid: a column of hours, then one column per day. Each quarter of an hour is one row. --- */
.calendar__grid {
  display: none;
}

@media (min-width: 992px) {
  .calendar__grid {
    display: grid;
    grid-template-columns: var(--sp-16) repeat(var(--calendar-days), minmax(0, 1fr));
    overflow: hidden;
    background-color: var(--c-page);
    border: var(--border-1) solid var(--c-line);
    border-radius: var(--radius-2);
  }
}

.calendar__times,
.calendar__day {
  display: grid;
  grid-template-rows: var(--sp-16) auto;
  border-left: var(--border-1) solid var(--c-line);
}

.calendar__times {
  grid-template-rows: var(--sp-16) repeat(calc(var(--calendar-rows) / 4), calc(var(--sp-4) * 4));
  border-left: 0;
}

.calendar__hour {
  padding: var(--sp-1) var(--sp-2);
  font-size: var(--fs-xs);
  color: var(--c-text-muted);
  text-align: right;
  border-top: var(--border-1) solid var(--c-line);
}

.calendar__date {
  display: grid;
  place-content: center;
  font-family: inherit;
  font-size: var(--fs-small);
  font-weight: 400;
  text-align: center;
}

.calendar__date strong {
  font-family: var(--font-heading);
  font-size: var(--fs-lead);
  font-weight: 500;
}

.calendar__day--today .calendar__date {
  color: var(--c-accent-text);
  background-color: var(--c-accent);
}

/* The hour lines are drawn behind the rows: one line at the top of every four quarters. */
.calendar__slots {
  display: grid;
  grid-template-rows: repeat(var(--calendar-rows), var(--sp-4));
  background-image: linear-gradient(var(--c-line), var(--c-line) var(--border-1), transparent var(--border-1));
  background-size: 100% calc(var(--sp-4) * 4);
}

.calendar__slots > * {
  grid-column: 1;
}

/* Not bookable: outside working hours and time away, hatched in stone. */
.calendar__closed {
  background-image: repeating-linear-gradient(-45deg, var(--c-surface) 0 var(--sp-1), transparent var(--sp-1) var(--sp-2));
  opacity: 0.7;
}

.calendar__booking {
  position: relative; /* above the hatching */
  display: grid;
  overflow: hidden;
  align-content: center;
  margin: var(--border-1) var(--sp-1);
  padding-inline: var(--sp-2); /* no padding above and below, so a 30-minute booking still fits both lines */
  font-size: var(--fs-xs);
  line-height: var(--lh-heading);
  color: var(--c-text);
  text-decoration: none;
  background-color: var(--c-accent);
  border-left: var(--sp-1) solid var(--c-menu-button);
  border-radius: var(--radius-1);
}

.calendar__booking > * {
  overflow: hidden;
  white-space: nowrap;
  text-overflow: ellipsis;
}

.calendar__booking strong {
  font-size: var(--fs-small);
  font-weight: 500;
}

.calendar__booking--first {
  background-color: var(--c-success-bg);
  border-left-color: var(--c-tick);
}

.calendar__booking:hover {
  box-shadow: var(--shadow-button);
}

/* --- Lists: a panel per day. In the week view only below 992px, where the grid would be too narrow. --- */
.calendar__lists {
  display: grid;
  gap: var(--sp-6);
}

@media (min-width: 992px) {
  .calendar__lists:not(.calendar__lists--day) {
    display: none;
  }
}

.calendar__now {
  margin-left: var(--sp-2);
  font-family: var(--font-body);
  font-size: var(--fs-small);
  font-weight: 500;
  vertical-align: middle;
}

.calendar__items > li + li {
  border-top: var(--border-1) solid var(--c-line);
}

.calendar__item {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: var(--sp-4);
  padding-block: var(--sp-3);
  color: inherit;
  text-decoration: none;
}

li.calendar__item {
  grid-template-columns: minmax(0, 1fr) auto;
}

.calendar__time {
  min-width: var(--sp-16);
  font-family: var(--font-heading);
  font-size: var(--fs-lead);
  color: var(--c-accent-text);
}

.calendar__who {
  display: grid;
}

.calendar__who strong {
  font-weight: 500;
}

.calendar__who span {
  font-size: var(--fs-small);
  color: var(--c-text-muted);
}

.calendar__item .bi-chevron-right {
  color: var(--c-text-muted);
}

a.calendar__item:hover strong {
  color: var(--c-accent-text);
}

/* --- Day view: the week's days as chips above the list --- */
.calendar__chips {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-2);
  margin-bottom: var(--sp-6);
}

.calendar__chip {
  display: grid;
  place-items: center;
  min-width: var(--sp-12);
  padding: var(--sp-2) var(--sp-3);
  font-size: var(--fs-xs);
  color: var(--c-text);
  text-decoration: none;
  text-transform: uppercase;
  background-color: var(--c-page);
  border: var(--border-1) solid var(--c-line);
  border-radius: var(--radius-2);
}

.calendar__chip strong {
  font-family: var(--font-heading);
  font-size: var(--fs-lead);
  font-weight: 500;
}

.calendar__chip--today {
  color: var(--c-accent-text);
}

.calendar__chip[aria-current="page"] {
  color: var(--c-accent-text);
  background-color: var(--c-accent);
  border-color: var(--c-accent-border);
}

/* --- The key under the week grid --- */
.calendar__key {
  display: none;
}

@media (min-width: 992px) {
  .calendar__key {
    display: flex;
    flex-wrap: wrap;
    gap: var(--sp-2) var(--sp-6);
    margin-top: var(--sp-4);
    font-size: var(--fs-small);
    color: var(--c-text-muted);
  }
}

.calendar__key li {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
}

.calendar__swatch {
  width: var(--sp-3);
  height: var(--sp-3);
  background-color: var(--c-accent);
  border: var(--border-1) solid var(--c-accent-border);
  border-radius: var(--radius-1);
}

.calendar__swatch--first {
  background-color: var(--c-success-bg);
  border-color: var(--c-success-border);
}

.calendar__swatch--closed {
  background-color: var(--c-page);
  background-image: repeating-linear-gradient(-45deg, var(--c-surface) 0 var(--border-1), transparent var(--border-1) var(--sp-1));
  border-color: var(--c-line);
}

/* --- Working hours, time away and booking pages --- */
.calendar__intro {
  max-width: 70ch;
  margin-block: var(--sp-4) var(--sp-6);
  color: var(--c-text-muted);
}

/* One weekday per row: its name, then its two times. */
.calendar__weekday {
  display: grid;
  gap: var(--sp-3);
  padding-block: var(--sp-4);
  border: 0;
  border-top: var(--border-1) solid var(--c-line);
}

.calendar__weekday:first-of-type {
  border-top: 0;
  padding-top: 0;
}

.calendar__weekday legend {
  float: left; /* lets the legend sit inside the grid like any other item */
  font-weight: 500;
}

.calendar__period {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--sp-3);
}

@media (min-width: 768px) {
  .calendar__weekday {
    grid-template-columns: var(--sp-32) repeat(2, minmax(0, 1fr));
    align-items: start;
  }

  .calendar__weekday legend {
    padding-top: var(--sp-4);
  }
}

.calendar__choice {
  display: grid;
  gap: var(--sp-3);
  border: 0;
}

.calendar__choice legend {
  font-family: var(--font-heading); /* a legend, not a heading, so it needs the heading font set */
  font-weight: 500;
}

.calendar__slots-list {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-2);
}

/* A free time: a pill to tick, pale blue once chosen. */
.calendar__slot input {
  position: absolute;
  opacity: 0;
}

.calendar__slot span {
  display: grid;
  place-items: center;
  min-width: var(--sp-16);
  min-height: var(--button-h);
  padding-inline: var(--sp-3);
  font-weight: 500;
  border: var(--border-1) solid var(--c-line);
  border-radius: var(--radius-pill);
  cursor: pointer;
  transition: border-color var(--duration-fast) var(--ease);
}

.calendar__slot--wide span {
  padding-inline: var(--sp-5);
}

.calendar__slot span:hover {
  border-color: var(--c-accent-border);
}

.calendar__slot input:checked + span {
  color: var(--c-accent-text);
  background-color: var(--c-accent);
  border-color: var(--c-menu-button);
}

.calendar__slot input:focus-visible + span {
  box-shadow: var(--focus-ring);
}

.calendar__facts {
  display: grid;
  gap: var(--sp-3);
}

.calendar__facts dt {
  font-size: var(--fs-small);
  color: var(--c-text-muted);
}