:root {
  --pico-font-size: 16px;
  --month-picker-gap: 0.5rem;
}
body { max-width: 960px; margin: 0 auto; padding: 1rem 1rem 4rem; }
.holiday-card {
  border: 1px solid var(--pico-muted-border-color);
  border-radius: var(--pico-border-radius);
  padding: 1rem;
  margin-bottom: 1rem;
  background: var(--pico-card-background-color);
  position: relative;
}
.holiday-card summary { font-weight: 600; cursor: pointer; list-style: none; display: flex; flex-direction: row; place-items: center; margin: -1rem; padding: 1rem; }
.holiday-card summary::-webkit-details-marker { display: none; }
.holiday-card summary::before { content: ''; font-size: 0.75em; display: inline-block; transition: transform 0.15s; }
.holiday-header {
  display: flex; align-items: center; gap: 0.75rem; flex-wrap: wrap; flex-grow: 1;
}
.holiday-header iconify-icon { font-size: 1.5rem; flex-shrink: 0; }
.holiday-header .holiday-name { font-weight: 600; flex: 1; min-width: 120px; }
.holiday-header .holiday-date-badge {
  font-family: var(--pico-font-family-monospace, monospace);
  font-size: 0.85em;
  background: var(--pico-muted-border-color);
  border-radius: 4px;
  padding: 0.15em 0.5em;
}
.holiday-actions { display: flex; gap: 0.25rem; flex-shrink: 0; }
.holiday-actions button {
  padding: 0.25rem 0.5rem; margin: 0; font-size: 0.85rem;
  border: 1px solid var(--pico-muted-border-color);
  background: transparent; cursor: pointer; border-radius: 4px;
}
.holiday-actions button:hover { background: var(--pico-muted-border-color); }
.holiday-body { margin-top: 1rem; }

.holiday-body {
  --holiday-control-height: 3rem;
  --holiday-control-padding-y: 0.625rem;
  --holiday-control-padding-x: 0.75rem;
}

.holiday-body input[type="text"],
.holiday-body input[type="number"],
.holiday-body select,
.holiday-body button {
  min-height: var(--holiday-control-height);
  height: calc(1rem * var(--pico-line-height) + var(--pico-form-element-spacing-vertical) * 2 + var(--pico-border-width) * 2);
  box-sizing: border-box;
}

.holiday-body input[type="text"],
.holiday-body input[type="number"],
.holiday-body select {
  padding: var(--holiday-control-padding-y) var(--holiday-control-padding-x);
}

.holiday-body button {
  padding: var(--holiday-control-padding-y) var(--holiday-control-padding-x);
}

/* Date composer */
.date-tabs { display: flex; gap: 0; margin-bottom: 0.75rem; flex-wrap: wrap; }
.date-tabs label {
  padding: 0.35rem 0.75rem;
  border: 1px solid var(--pico-muted-border-color);
  cursor: pointer; font-size: 0.85rem;
  margin: 0; background: transparent;
}
.date-tabs label:first-child { border-radius: 4px 0 0 4px; }
.date-tabs label:last-child { border-radius: 0 4px 4px 0; }
.date-tabs label + label { border-left: none; }
.date-tabs input[type="radio"] { display: none; }
.date-tabs input[type="radio"]:checked + span {
  font-weight: 700;
}
.date-tabs label:has(input:checked) {
  background: var(--pico-primary-background);
  color: var(--pico-primary-inverse);
  border-color: var(--pico-primary-background);
}
.date-tabs label:has(input:checked) + label { border-left-color: var(--pico-primary-background); }
.date-fields { display: flex; gap: 0.5rem; align-items: end; flex-wrap: wrap; }
.date-fields > div { flex: 1; min-width: 80px; }
.date-fields > .month-field { min-width: 160px; }
.date-fields label { font-size: 0.8rem; margin-bottom: 0.15rem; display: block; }
.date-fields select, .date-fields input[type="number"] {
  margin-bottom: 0; font-size: 0.9rem;
}

.supports-custom-month-selects .holiday-body select.month-select {
  appearance: base-select;
  background: var(--pico-form-element-background-color);
  border-color: var(--pico-form-element-border-color);
  color: var(--pico-form-element-color);
}

.supports-custom-month-selects .holiday-body select.month-select::picker(select) {
  appearance: base-select;
  border: 1px solid var(--pico-muted-border-color);
  border-radius: calc(var(--pico-border-radius) + 2px);
  background: var(--pico-card-background-color);
  padding: var(--month-picker-gap);
  box-shadow: 0 14px 30px rgba(0, 0, 0, 0.12);
}

.supports-custom-month-selects .holiday-body select.month-select:not(:open)::picker(select) {
  display: none;
}

.supports-custom-month-selects .holiday-body select:open.month-select::picker(select) {
  display: flex;
  flex-wrap: wrap;
  gap: var(--month-picker-gap);
  inline-size: fit-content;
  max-inline-size: min(calc(100vw - 2rem), calc(var(--month-picker-min-size, 4.25rem) * 4 + var(--month-picker-gap) * 6));
}

.supports-custom-month-selects .holiday-body select.month-select option {
  display: flex;
  align-items: center;
  justify-content: center;
  min-inline-size: var(--month-picker-min-size, 4.25rem);
  min-block-size: var(--month-picker-min-size, 4.25rem);
  inline-size: fit-content;
  box-sizing: border-box;
  margin: 0;
  padding: 0.5rem 0.75rem;
  border: 1px solid var(--pico-muted-border-color);
  border-radius: calc(var(--pico-border-radius) - 2px);
  background: var(--pico-background-color);
  color: transparent;
  font-size: 0;
  line-height: 1;
  text-align: center;
  transition: background-color 0.15s ease, border-color 0.15s ease;
}

.supports-custom-month-selects .holiday-body select.month-select option {
  flex: 0 0 auto;
}

.supports-custom-month-selects .holiday-body select.month-select option::before {
  content: attr(data-short-label);
  color: var(--pico-color);
  font-size: 0.9rem;
  font-weight: 600;
  line-height: 1.1;
  white-space: nowrap;
}

.supports-custom-month-selects .holiday-body select.month-select option:hover,
.supports-custom-month-selects .holiday-body select.month-select option:focus-visible {
  background: var(--pico-code-background-color);
  border-color: var(--pico-primary-border);
}

.supports-custom-month-selects .holiday-body select.month-select option:checked {
  background: var(--pico-primary-background);
  border-color: var(--pico-primary-border);
}

.supports-custom-month-selects .holiday-body select.month-select option:checked::before {
  color: var(--pico-primary-inverse);
}

.supports-custom-month-selects .holiday-body select.month-select option::checkmark {
  display: none;
}

.supports-custom-month-selects .holiday-body select.month-select selectedcontent {
  color: inherit;
  font: inherit;
}
.date-preview {
  font-family: monospace; font-size: 0.95rem; margin-top: 0.5rem;
  padding: 0.35rem 0.75rem;
  background: var(--pico-code-background-color);
  border-radius: 4px; display: inline-block;
}

/* Calendar toggle */
.calendar-row { display: flex; align-items: center; gap: 0.75rem; margin-top: 0.5rem; flex-wrap: wrap; }
.calendar-row select { margin: 0; width: auto; min-width: 140px; font-size: 0.9rem; }

/* Round editor */
.round-chips { display: flex; gap: 0.25rem; flex-wrap: wrap; margin-top: 0.25rem; }
.round-chips label {
  display: inline-flex; align-items: center; gap: 0.25rem;
  padding: 0.2rem 0.5rem; border: 1px solid var(--pico-muted-border-color);
  border-radius: 4px; cursor: pointer; font-size: 0.85rem;
  user-select: none; margin: 0;
}
.round-chips label:has(input:checked) {
  background: var(--pico-primary-background);
  color: var(--pico-primary-inverse);
  border-color: var(--pico-primary-background);
}
.round-chips input[type="checkbox"] { display: none; }
.round-chips button { padding: 0.2rem 0.5rem; height: initial; min-height: initial; font-size: 0.85rem; margin: 0; }

/* Icon picker */
.icon-input-row { display: flex; gap: 0.5rem; align-items: center; }
.icon-input-row input { flex: 1; margin-bottom: 0; }
.icon-input-row button { margin: 0; padding: 0.35rem 0.75rem; white-space: nowrap; }
.icon-input-row iconify-icon { font-size: 1.5rem; flex-shrink: 0; align-self: center; }
.icon-picker-overlay {
  position: fixed; inset: 0; background: rgba(0,0,0,0.4);
  display: flex; align-items: center; justify-content: center; z-index: 100;
}
.icon-picker-dialog {
  background: var(--pico-card-background-color);
  border-radius: var(--pico-border-radius);
  padding: 1.5rem; width: 90vw; max-width: 640px; max-height: 80vh;
  display: flex; flex-direction: column;
}
.icon-picker-dialog input { margin-bottom: 0.75rem; }
.icon-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(56px, 1fr));
  gap: 0.35rem; overflow-y: auto; flex: 1; min-height: 100px;
}
.icon-grid button {
  aspect-ratio: 1; display: flex; align-items: center; justify-content: center;
  border: 1px solid var(--pico-muted-border-color); border-radius: 4px;
  background: transparent; cursor: pointer; padding: 0.25rem; font-size: 1.5rem;
  position: relative;
}
.icon-grid button:hover {
  background: var(--pico-primary-background);
  color: var(--pico-primary-inverse);
}
.icon-picker-footer { display: flex; justify-content: space-between; align-items: center; margin-top: 0.75rem; gap: 0.75rem; }
.icon-picker-footer button { margin: 0; }
.icon-picker-hovered {
  font-size: 0.8rem; color: var(--pico-muted-color);
  font-family: var(--pico-font-family-monospace, monospace);
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap; min-width: 0;
}

/* Upcoming preview */
.upcoming-list { list-style: none; padding: 0; margin: 0.25rem 0 0; display: flex; flex-wrap: wrap; gap: 0.35rem; }
.upcoming-list li {
  font-size: 0.8rem; padding: 0.2rem 0.6rem;
  font-family: var(--pico-font-family-monospace, monospace);
  background: var(--pico-code-background-color);
  border: 1px solid var(--pico-muted-border-color);
  border-radius: 999px; white-space: nowrap;
  list-style: none;
}
.upcoming-list li::before { content: none; }
.upcoming-list li::marker { content: none; }
.upcoming-list li .dow { color: var(--pico-muted-color); font-family: var(--pico-font-family); }
.upcoming-none { font-size: 0.85rem; color: var(--pico-muted-color); }

/* YAML output */
.yaml-output {
  position: relative;
}
.yaml-output pre {
  max-height: 400px; overflow: auto; font-size: 0.85rem;
  background: var(--pico-code-background-color);
  padding: 1rem; border-radius: var(--pico-border-radius);
  white-space: pre-wrap; word-break: break-word;
}
.yaml-output .copy-btn {
  position: absolute; top: 0.5rem; right: 0.5rem;
  padding: 0.25rem 0.75rem; font-size: 0.8rem; margin: 0;
}

/* Toolbar */
.toolbar { display: flex; gap: 0.5rem; margin-bottom: 1rem; flex-wrap: wrap; align-items: center; }
.toolbar button { margin: 0; }

/* Landing */
.landing { text-align: center; padding: 3rem 1rem; }
.landing h2 { margin-bottom: 0.5rem; }
.landing .actions { display: flex; gap: 1rem; justify-content: center; margin-top: 1.5rem; flex-wrap: wrap; }

/* Load modal */
.load-overlay {
  position: fixed; inset: 0; background: rgba(0,0,0,0.4);
  display: flex; align-items: center; justify-content: center; z-index: 100;
}
.load-dialog {
  background: var(--pico-card-background-color);
  border-radius: var(--pico-border-radius);
  padding: 1.5rem; width: 90vw; max-width: 600px;
}
.load-dialog textarea { min-height: 200px; font-family: monospace; font-size: 0.85rem; }
.load-dialog .actions { display: flex; gap: 0.5rem; justify-content: end; margin-top: 0.75rem; }
.load-dialog .actions button { margin: 0; }
.load-dialog .error { color: var(--pico-del-color); font-size: 0.85rem; margin-top: 0.5rem; }

/* Section labels */
fieldset { margin-bottom: 0.75rem; }
fieldset legend { font-weight: 600; font-size: 0.9rem; }

/* Docs */
.docs { margin-top: 3rem; border-top: 1px solid var(--pico-muted-border-color); padding-top: 2rem; }
.docs h2 { margin-bottom: 1rem; }
.docs h3 { margin-top: 1.5rem; }
.docs table { font-size: 0.9rem; }
.docs code { font-size: 0.85em; }
.docs pre { font-size: 0.85rem; }

/* Validation */
.field-error { color: var(--pico-del-color); font-size: 0.8rem; margin-top: 0.15rem; }
.holiday-card.has-errors { border-color: var(--pico-del-color); }
.holiday-header .error-dot {
  display: inline-block; width: 8px; height: 8px; border-radius: 50%;
  background: var(--pico-del-color); flex-shrink: 0;
}
.yaml-warning { color: var(--pico-del-color); font-size: 0.85rem; margin-bottom: 0.5rem; }

/* Side-by-side layout */
@media (min-width: 1200px) {
  body { max-width: 1400px; }
  .editor-layout { display: flex; gap: 1.5rem; align-items: flex-start; }
  .editor-main { flex: 1; min-width: 0; }
  .editor-sidebar {
    width: 400px; flex-shrink: 0;
    position: sticky; top: 1rem;
    max-height: calc(100vh - 2rem); overflow: auto;
  }
  .editor-sidebar .yaml-output pre { max-height: none; }
  .yaml-toggle { display: none; }
}

@media (max-width: 1199px) {
  .editor-layout { display: flex; flex-direction: column; }
  .editor-sidebar { display: none; order: -1; margin-bottom: 1rem; }
  .editor-sidebar.show-narrow { display: block; }
}