.period-picker-native {
  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;
  clip-path: inset(50%) !important;
  white-space: nowrap !important;
  border: 0 !important;
}

.period-picker-trigger {
  display: inline-flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5em;
  min-width: 10ch;
  padding: 0.35em 0.65em;
  border: 1px solid #7a9cc6;
  border-radius: 4px;
  background: #fff;
  color: #222;
  font: inherit;
  line-height: 1.35;
  text-align: left;
  cursor: pointer;
}

.period-picker-trigger::after {
  content: "";
  width: 0;
  height: 0;
  border: 4px solid transparent;
  border-top-color: currentColor;
  transform: translateY(2px);
}

.period-picker-trigger:hover {
  border-color: #1a5b8f;
}

.period-picker-trigger:focus-visible,
.period-picker-popup button:focus-visible {
  outline: 3px solid #1a5b8f;
  outline-offset: 2px;
  z-index: 1;
}

.period-picker-native#sel-time + .period-picker-trigger {
  width: var(--select-width, 13ch);
}

.period-picker-popup {
  position: fixed;
  z-index: 10000;
  width: min(288px, calc(100vw - 16px));
  box-sizing: border-box;
  padding: 10px;
  overflow-y: auto;
  border: 1px solid #9aa9b8;
  border-radius: 6px;
  background: #fff;
  box-shadow: 0 5px 18px rgba(0, 0, 0, 0.22);
  color: #222;
  font: 14px/1.35 Arial, sans-serif;
}

.period-picker-popup[hidden] {
  display: none;
}

.period-picker-nav {
  display: grid;
  grid-template-columns: 36px 1fr 36px;
  align-items: center;
  gap: 4px;
  margin-bottom: 8px;
  text-align: center;
}

.period-picker-nav-button {
  min-height: 34px;
  border: 1px solid #c5ced7;
  border-radius: 4px;
  background: #f5f7f9;
  color: #143a5a;
  font-size: 22px;
  line-height: 1;
  cursor: pointer;
}

.period-picker-heading {
  font-weight: 700;
}

.period-picker-grid {
  display: grid;
  grid-template-columns: repeat(var(--period-picker-columns, 4), minmax(0, 1fr));
  gap: 5px;
}

.period-picker-option {
  min-height: 36px;
  padding: 5px;
  border: 1px solid #d2dae2;
  border-radius: 4px;
  background: #fff;
  color: #183d5b;
  font: inherit;
  cursor: pointer;
}

.period-picker-option:hover:not(:disabled),
.period-picker-option[aria-pressed="true"] {
  border-color: #1a5b8f;
  background: #1a5b8f;
  color: #fff;
}

.period-picker-option:disabled {
  background: #f3f5f6;
  color: #a1a8af;
  cursor: not-allowed;
}

.period-picker-option.period-picker-adjacent:not(:disabled) {
  color: #536b7c;
}

.period-picker-option.period-picker-all {
  width: 100%;
  margin-bottom: 8px;
}

.period-picker-list {
  max-height: 240px;
  overflow-y: auto;
}

@media (max-width: 480px) {
  .period-picker-popup {
    width: calc(100vw - 16px);
  }
}