/* Sprint 016: inline calendar search, category filters, and reliable sticky mobile navigation. */

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 70;
  background: var(--paper);
}

.site-discovery {
  min-width: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
}

.site-discovery .site-nav {
  min-width: 0;
}

.site-search-toggle,
.site-search-clear {
  appearance: none;
  border: 0;
  background: transparent;
  color: var(--ink);
  cursor: pointer;
}

.site-search-toggle {
  flex: 0 0 40px;
  width: 40px;
  height: 40px;
  display: grid;
  place-items: center;
  padding: 8px;
  border: 2px solid transparent;
  border-radius: 50%;
}

.site-search-toggle:hover,
.site-search-toggle[aria-expanded="true"] {
  border-color: var(--ink);
}

.site-search-toggle svg,
.site-search-form-icon {
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
}

.site-search-toggle svg {
  width: 22px;
  height: 22px;
}

.site-search-form {
  width: min(620px, 54vw);
  min-width: 240px;
  display: grid;
  grid-template-columns: 22px minmax(0, 1fr) 34px;
  align-items: center;
  gap: 8px;
  border-bottom: 3px solid var(--ink);
}

.site-search-form[hidden],
.site-nav[hidden] {
  display: none !important;
}

.site-search-form-icon {
  width: 20px;
  height: 20px;
}

.site-search-form input {
  width: 100%;
  min-width: 0;
  border: 0;
  outline: 0;
  padding: 8px 0 9px;
  background: transparent;
  color: var(--ink);
  font-family: var(--display);
  font-size: clamp(1.05rem, 2vw, 1.35rem);
  font-weight: 850;
}

.site-search-form input::placeholder {
  color: var(--muted);
  opacity: .85;
}

.site-search-clear {
  width: 34px;
  height: 34px;
  padding: 0;
  font-size: 1.6rem;
  font-weight: 500;
  line-height: 1;
}

.site-search-clear:hover {
  background: rgba(17, 19, 24, .08);
  border-radius: 50%;
}

.calendar-filter-bar {
  position: relative;
  z-index: 1;
  padding: 12px 34px 10px;
  border-bottom: 1px solid rgba(17, 19, 24, .28);
  background: var(--paper);
}

.calendar-filter-rail {
  display: flex;
  align-items: center;
  gap: 8px;
  overflow-x: auto;
  overflow-y: hidden;
  padding: 2px 0 5px;
  scrollbar-width: thin;
  overscroll-behavior-inline: contain;
}

.calendar-category-filter {
  appearance: none;
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  gap: 7px;
  min-height: 34px;
  border: 1px solid rgba(17, 19, 24, .38);
  border-radius: 999px;
  padding: 6px 11px 6px 9px;
  background: transparent;
  color: var(--ink);
  font-family: var(--sans);
  font-size: .72rem;
  font-weight: 800;
  line-height: 1;
  white-space: nowrap;
  cursor: pointer;
}

.calendar-category-filter:hover {
  border-color: var(--ink);
}

.calendar-category-filter[aria-pressed="true"] {
  border-color: var(--ink);
  box-shadow: inset 0 0 0 1px var(--ink);
  background: var(--white);
}

.category-swatch {
  width: 12px;
  height: 12px;
  flex: 0 0 12px;
  border: 1px solid rgba(17, 19, 24, .55);
}

.category-swatch-all {
  background: linear-gradient(90deg, var(--sun) 0 33%, var(--sky) 33% 66%, var(--coral) 66% 100%);
}
.category-swatch-arts-culture { background: #d87093; }
.category-swatch-business-networking { background: #68aeb0; }
.category-swatch-community-civic { background: var(--sun); }
.category-swatch-education-learning { background: var(--sky); }
.category-swatch-faith-church { background: #9b86bd; }
.category-swatch-family-kids { background: #f0a3b5; }
.category-swatch-food-drink { background: #e99b50; }
.category-swatch-health-wellness { background: #82b67b; }
.category-swatch-markets-shopping { background: #d7ad43; }
.category-swatch-music-entertainment { background: #c879aa; }
.category-swatch-sports-recreation { background: #6f9ccc; }
.category-swatch-other { background: #b8b8b3; }

.calendar-filter-status {
  min-height: 0;
  padding: 0 34px;
  font-size: .78rem;
  font-weight: 750;
}

.calendar-filter-status:not(:empty) {
  padding-top: 8px;
  padding-bottom: 8px;
  border-bottom: 1px solid rgba(17, 19, 24, .22);
}

.calendar-inline-search-results[hidden],
.calendar-feed[hidden],
[data-filter-hidden] {
  display: none !important;
}

.calendar-inline-search-results .calendar-search-summary {
  margin: 0;
  padding: 14px 34px;
  border-bottom: 1px solid rgba(17, 19, 24, .28);
}

.calendar-inline-search-results .calendar-search-months .calendar-month:first-child .calendar-hero {
  border-top: 0;
}

.calendar-inline-search-results .calendar-feed-boundary,
.calendar-inline-search-results .calendar-feed-status {
  display: none;
}

.simple-form select {
  width: 100%;
  border: 0;
  border-bottom: 2px solid var(--ink);
  border-radius: 0;
  padding: 10px 2px;
  background: transparent;
  color: var(--ink);
  outline: none;
}

.simple-form select:focus {
  box-shadow: 0 3px 0 var(--sun);
}

/* The measured header value is written by calendar-feed.js. */
.calendar-month .calendar-hero {
  top: var(--calendar-sticky-top, 104px);
}

@media (max-width: 1020px) {
  .site-discovery {
    grid-column: 1 / -1;
    grid-row: 2;
    justify-content: flex-start;
    width: 100%;
  }

  .site-discovery .site-nav {
    grid-column: auto;
    grid-row: auto;
    justify-content: flex-start;
  }

  .site-search-form {
    width: min(700px, calc(100vw - 120px));
  }
}

@media (max-width: 720px) {
  .site-header {
    padding: 16px 18px 12px;
    gap: 10px 14px;
  }

  .site-discovery {
    gap: 8px;
  }

  .site-search-toggle {
    flex-basis: 38px;
    width: 38px;
    height: 38px;
    padding: 8px;
  }

  .site-discovery .site-nav {
    flex: 1 1 auto;
    gap: 18px;
    padding-bottom: 2px;
  }

  .site-search-form {
    flex: 1 1 auto;
    width: auto;
    min-width: 0;
    grid-template-columns: 20px minmax(0, 1fr) 32px;
  }

  .site-search-form input {
    font-size: 1.05rem;
  }

  .calendar-filter-bar {
    padding: 9px 18px 7px;
  }

  .calendar-filter-rail {
    margin-right: -18px;
    padding-right: 18px;
  }

  .calendar-category-filter {
    min-height: 36px;
    padding: 7px 11px 7px 9px;
    font-size: .7rem;
  }

  .calendar-filter-status,
  .calendar-inline-search-results .calendar-search-summary {
    padding-left: 18px;
    padding-right: 18px;
  }
}

@media (max-width: 430px) {
  .site-header {
    padding-left: 16px;
    padding-right: 16px;
  }

  .site-discovery .site-nav {
    gap: 16px;
  }

  .calendar-filter-bar {
    padding-left: 16px;
    padding-right: 16px;
  }

  .calendar-filter-rail {
    margin-right: -16px;
    padding-right: 16px;
  }
}