/* Local aesthetic experiment: hierarchy, proximity, motion and desktop map panel. */

:root {
  --shadow-card-hover: 0 5px 16px color-mix(in srgb, #0f172a 7%, transparent);
  --shadow-elevated: 0 16px 36px color-mix(in srgb, #0f172a 14%, transparent);
  --sticky-month-top: 112px;
}

html[data-theme='dark'] {
  --shadow-card-hover: 0 6px 18px color-mix(in srgb, #000 24%, transparent);
  --shadow-elevated: 0 18px 42px color-mix(in srgb, #000 48%, transparent);
}

/* Keep shadows for genuinely elevated UI only. */
.site-header,
.calendar-overview,
.map-overview,
.race-card-new,
.calendar-month {
  box-shadow: none;
}

.filters,
.multi-dropdown-panel,
.calendar-tooltip,
.map-bottom-sheet,
.map-desktop-panel {
  box-shadow: var(--shadow-elevated);
}

.race-card-new:hover {
  box-shadow: var(--shadow-card-hover);
}

/* Consistent interaction language across controls and links. */
:where(button, summary, input, a):focus-visible {
  outline: none;
  box-shadow: 0 0 0 3px var(--accent-ring) !important;
}

:where(
  .clear-filters-btn,
  .location-toggle-btn,
  .favorites-filter-btn,
  .calendar-filter-btn,
  .map-filter-btn,
  .multi-dropdown > summary
) {
  transition:
    color 140ms ease,
    border-color 140ms ease,
    background-color 140ms ease,
    box-shadow 140ms ease;
}

:where(
  .clear-filters-btn,
  .location-toggle-btn,
  .favorites-filter-btn,
  .calendar-filter-btn,
  .map-filter-btn
):hover {
  border-color: color-mix(in oklch, var(--accent) 32%, var(--border-strong));
  background: color-mix(in oklch, var(--accent) 7%, var(--surface));
  color: var(--text);
}

:where(
  .location-toggle-btn--active,
  .favorites-filter-btn--active,
  .calendar-filter-btn--active,
  .map-filter-btn--active
) {
  border-color: color-mix(in oklch, var(--accent) 55%, var(--border));
  background: var(--accent-dim);
  color: var(--accent-strong);
}

/* Proximity control belongs to the existing filter action family. */
.location-toggle-btn {
  width: var(--filters-action-size);
  height: var(--filters-action-size);
  min-height: var(--filters-action-size);
  padding: 0;
  border: 1px solid var(--border);
  border-radius: 7px;
  background: color-mix(in oklch, var(--surface-2) 84%, var(--surface));
  color: var(--muted);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex: 0 0 auto;
  cursor: pointer;
}

.location-toggle-icon {
  width: 15px;
  height: 15px;
  transition: transform 160ms ease, opacity 160ms ease;
}

.location-toggle-btn--active .location-toggle-icon {
  transform: scale(1.08);
}

.location-toggle-btn--active {
  border-color: color-mix(in oklch, var(--accent) 62%, var(--border));
  background: var(--accent-dim);
  color: var(--accent-strong);
}

.location-toggle-btn--loading .location-toggle-icon {
  animation: locationSearching 900ms ease-in-out infinite;
}

@keyframes locationSearching {
  0%, 100% { opacity: 0.42; transform: scale(0.9); }
  50% { opacity: 1; transform: scale(1.08); }
}

/* Stronger content hierarchy without changing card information. */
.race-card-new {
  border-color: color-mix(in oklch, var(--border-strong) 66%, var(--border));
}

.race-card-new .date-day {
  color: var(--text);
  letter-spacing: -0.045em;
}

.race-card-new .date-weekday {
  color: color-mix(in oklch, var(--muted) 88%, var(--text));
  font-weight: 500;
}

.race-card-new .state-badge {
  border-color: color-mix(in oklch, var(--border-strong) 62%, var(--border));
  background: color-mix(in oklch, var(--surface-2) 76%, var(--surface));
}

.race-card-new .card-name {
  letter-spacing: -0.018em;
}

.race-card-new .card-location {
  opacity: 0.88;
}

.race-card-new .card-footer {
  border-top-color: color-mix(in oklch, var(--border-strong) 54%, transparent);
}

/* Month context remains visible beneath the sticky filter card. */
@media (min-width: 641px) {
  .month-divider {
    position: sticky;
    top: var(--sticky-month-top);
    z-index: 32;
    min-height: 2.35rem;
    margin: 0 -0.08rem 0.52rem;
    padding: 0.38rem 0.5rem;
    border: 1px solid color-mix(in oklch, var(--border) 72%, transparent);
    border-radius: 9px;
    background: color-mix(in oklch, var(--bg) 88%, transparent);
    box-shadow: 0 4px 14px color-mix(in srgb, #0f172a 5%, transparent);
    backdrop-filter: blur(12px) saturate(1.05);
    -webkit-backdrop-filter: blur(12px) saturate(1.05);
  }
}

/* Desktop map: editorial panel overlays the map, so opening it never pans the map. */
.map-desktop-stage {
  position: relative;
  min-width: 0;
}

.map-desktop-panel {
  display: none;
}

@media (min-width: 641px) {
  .map-desktop-panel {
    position: absolute;
    top: 0.72rem;
    right: 0.72rem;
    bottom: 0.72rem;
    z-index: 520;
    display: block;
    width: min(390px, calc(100% - 1.44rem));
    overflow: hidden;
    border: 1px solid color-mix(in oklch, var(--accent) 24%, var(--border));
    border-radius: 14px;
    background: color-mix(in oklch, var(--surface) 96%, transparent);
    backdrop-filter: blur(18px) saturate(1.08);
    -webkit-backdrop-filter: blur(18px) saturate(1.08);
    transform: translateX(calc(100% + 1rem));
    opacity: 0;
    transition: transform 180ms ease, opacity 150ms ease;
  }

  .map-desktop-panel--open {
    transform: translateX(0);
    opacity: 1;
  }

  .map-desktop-panel-close {
    position: absolute;
    top: 0.58rem;
    right: 0.58rem;
    z-index: 3;
    width: 1.65rem;
    height: 1.65rem;
    padding: 0;
    border: 1px solid var(--border);
    border-radius: var(--pill);
    background: var(--surface-2);
    color: var(--text-soft);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    line-height: 1;
    cursor: pointer;
  }

  .map-desktop-panel-content {
    height: 100%;
    padding: 0.82rem 0.76rem 0.74rem;
  }

  .map-desktop-panel .map-popup {
    width: auto;
    height: 100%;
    grid-template-rows: auto minmax(0, 1fr);
    gap: 0.62rem;
  }

  .map-desktop-panel .map-popup-head {
    padding: 0.08rem 2rem 0.58rem 0.08rem;
  }

  .map-desktop-panel .map-popup-races {
    max-height: none;
    min-height: 0;
    padding-right: 0.32rem;
  }

  .map-desktop-panel .map-popup-race-card {
    background: color-mix(in oklch, var(--surface) 93%, var(--surface-2));
  }
}

html[data-theme='dark'] .map-desktop-panel {
  border-color: color-mix(in oklch, var(--accent) 34%, var(--border));
  background: color-mix(in oklch, var(--surface) 95%, transparent);
}

/* Mode transitions: native View Transitions where available, light fallback elsewhere. */
::view-transition-old(root) {
  animation: modeFadeOut 110ms ease both;
}

::view-transition-new(root) {
  animation: modeFadeIn 180ms ease both;
}

.mode-panel--entering {
  animation: modePanelEnter 180ms ease both;
}

@keyframes modeFadeOut {
  to { opacity: 0.76; }
}

@keyframes modeFadeIn {
  from { opacity: 0.72; }
  to { opacity: 1; }
}

@keyframes modePanelEnter {
  from { opacity: 0; transform: translateY(4px); }
  to { opacity: 1; transform: translateY(0); }
}

@media (prefers-reduced-motion: reduce) {
  ::view-transition-old(root),
  ::view-transition-new(root),
  .mode-panel--entering,
  .map-desktop-panel {
    animation: none;
    transition: none;
  }
}