/* Europe Monthly Temperatures — layout and panel styling. */

:root {
  --panel-bg: rgba(255, 255, 255, 0.94);
  --panel-border: rgba(20, 33, 61, 0.14);
  --text: #14213d;
  --text-muted: #5b6478;
  --shadow: 0 2px 10px rgba(20, 33, 61, 0.15);
  --accent: #2166ac;
  --bottombar-height: 88px; /* replaced at runtime from the bar's real height */
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  height: 100%;
}

body {
  font-family: system-ui, -apple-system, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  color: var(--text);
  background: #eef1f4;
}

#map {
  position: fixed;
  inset: 0;
}

/* --- top-left panel ------------------------------------------------------ */

.panel {
  position: fixed;
  top: 12px;
  left: 12px;
  z-index: 2;
  width: 264px;
  padding: 12px 14px 14px;
  background: var(--panel-bg);
  border: 1px solid var(--panel-border);
  border-radius: 10px;
  box-shadow: var(--shadow);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
}

.panel h1 {
  margin: 0 0 10px;
  font-size: 1rem;
  line-height: 1.25;
}

.segmented {
  display: flex;
  gap: 4px;
  padding: 3px;
  background: #e8ecf1;
  border-radius: 8px;
}

.segmented button {
  flex: 1 1 0;
  appearance: none;
  border: 0;
  border-radius: 6px;
  padding: 6px 2px;
  background: transparent;
  font: inherit;
  font-size: 0.8rem;
  color: var(--text-muted);
  cursor: pointer;
}

.segmented button:hover {
  color: var(--text);
}

.segmented button[aria-pressed='true'] {
  background: #fff;
  color: var(--text);
  font-weight: 600;
  box-shadow: 0 1px 2px rgba(20, 33, 61, 0.18);
}

.segmented button:focus-visible,
.play-btn:focus-visible,
input[type='range']:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 1px;
}

/* --- legend -------------------------------------------------------------- */

.legend {
  margin-top: 14px;
}

.legend-title {
  font-size: 0.7rem;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.legend-gradient {
  height: 12px;
  margin-top: 6px;
  border: 1px solid var(--panel-border);
  border-radius: 6px;
}

.legend-ticks {
  position: relative;
  height: 1.1em;
  margin-top: 3px;
  font-size: 0.68rem;
  color: var(--text-muted);
  font-variant-numeric: tabular-nums;
}

.legend-tick {
  position: absolute;
  top: 0;
  transform: translateX(-50%);
  white-space: nowrap;
}

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

.bottombar {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 2;
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 10px 16px calc(10px + env(safe-area-inset-bottom, 0px));
  background: var(--panel-bg);
  border-top: 1px solid var(--panel-border);
  box-shadow: 0 -2px 10px rgba(20, 33, 61, 0.08);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
}

.play-btn {
  flex: 0 0 auto;
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  padding: 0;
  border: 1px solid var(--panel-border);
  border-radius: 50%;
  background: #fff;
  cursor: pointer;
}

.play-btn svg {
  width: 16px;
  height: 16px;
  fill: var(--text);
}

.play-btn .icon-pause {
  display: none;
}

.play-btn[aria-pressed='true'] .icon-play {
  display: none;
}

.play-btn[aria-pressed='true'] .icon-pause {
  display: block;
}

.month-name {
  flex: 0 0 auto;
  min-width: 9ch;
  font-size: 1.25rem;
  font-weight: 600;
  line-height: 1.1;
}

.slider-wrap {
  flex: 1 1 auto;
  min-width: 160px;
}

input[type='range'] {
  width: 100%;
  margin: 0;
  accent-color: var(--accent); /* keeps the native slider look */
}

.month-ticks {
  display: flex;
  justify-content: space-between;
  padding: 2px 6px 0;
  font-size: 0.68rem;
  color: var(--text-muted);
}

/* MapLibre's attribution stays bottom-right but clear of the bottom bar. */
.maplibregl-ctrl-bottom-right {
  bottom: calc(var(--bottombar-height) + 8px);
}

/* --- popup --------------------------------------------------------------- */

/* Above the floating panel and bottom bar, which MapLibre's popup would sit under. */
.maplibregl-popup {
  z-index: 3;
}

.maplibregl-popup-content {
  padding: 12px 14px;
  border-radius: 10px;
  box-shadow: var(--shadow);
}

/* Bigger, easier-to-hit close button. */
.maplibregl-popup-close-button {
  top: 2px;
  right: 2px;
  width: 30px;
  height: 30px;
  padding: 0;
  border-radius: 50%;
  font-size: 22px;
  line-height: 28px;
  color: var(--text-muted);
}

.maplibregl-popup-close-button:hover {
  background: #e8ecf1;
  color: var(--text);
}

.popup {
  min-width: 210px;
  font-size: 0.84rem;
}

.popup-city {
  padding-right: 24px; /* clears the enlarged close button */
  font-size: 1rem;
  font-weight: 700;
  line-height: 1.2;
}

.popup-country {
  font-size: 0.78rem;
  color: var(--text-muted);
}

.popup-month {
  margin-top: 8px;
  font-size: 0.7rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.popup-rows {
  margin: 6px 0 0;
}

.popup-row {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding: 2px 0;
}

.popup-row dt {
  color: var(--text-muted);
}

.popup-row dd {
  margin: 0;
  font-weight: 600;
  font-variant-numeric: tabular-nums;
}

.popup-rows-extras {
  margin-top: 8px;
  padding-top: 6px;
  border-top: 1px solid var(--panel-border);
  font-size: 0.78rem;
}

.popup-rows-extras .popup-row dd {
  font-weight: 500;
}

/* --- narrow screens ------------------------------------------------------ */

@media (max-width: 700px) {
  .panel {
    width: calc(100% - 24px);
    max-width: 320px;
    padding: 10px 12px 12px;
  }

  .panel h1 {
    font-size: 0.92rem;
  }

  .bottombar {
    flex-wrap: wrap;
    gap: 8px 10px;
    padding: 8px 12px calc(8px + env(safe-area-inset-bottom, 0px));
  }

  .month-name {
    order: 1;
    min-width: 0;
    font-size: 1.05rem;
  }

  .play-btn {
    order: 0;
  }

  .slider-wrap {
    order: 2;
    flex: 1 0 100%;
    min-width: 0;
  }
}