.regional-date { display: inline-flex; position: relative; width: 100%; align-items: stretch; gap: 4px; min-width: 0; }
.regional-date > input:not(.regional-date-original) { flex: 1; min-width: 0; width: 100%; }
.regional-date .regional-date-original { position: absolute; opacity: 0; pointer-events: none; width: 1px; height: 1px; padding: 0; border: 0; }
.regional-date-open { flex: 0 0 36px; border: 1px solid #cbd5e1; border-radius: 6px; background: #fff; color: #1e293b; cursor: pointer; }
.regional-calendar { box-sizing: border-box; width: min(344px, calc(100vw - 24px)); max-height: calc(100dvh - 32px); margin: auto; border: 1px solid var(--line, #cbd5e1); border-radius: 16px; padding: 16px; color: var(--ink, #1e293b); background: var(--card, #fff); font: inherit; }
.regional-calendar::backdrop { background: rgb(15 23 42 / 30%); }
.regional-calendar-nav { display: flex; justify-content: space-between; align-items: center; gap: 8px; margin-bottom: 12px; }
.regional-calendar-nav strong { min-width: 0; text-align: center; }
.regional-calendar-grid { display: grid; grid-template-columns: repeat(7, minmax(0, 1fr)); gap: 4px; width: 100%; margin-bottom: 12px; text-align: center; }
.regional-calendar button { box-sizing: border-box; min-width: 0; min-height: 36px; padding: 6px 10px; border: 1px solid var(--line, #cbd5e1); border-radius: 8px; background: var(--card, #fff); color: var(--ink, #1e293b); font: inherit; font-size: 14px; line-height: 1.2; cursor: pointer; }
.regional-calendar-nav button { flex: 0 0 36px; padding: 0; }
.regional-calendar-grid button { width: 100%; padding: 0; }
.regional-calendar button:hover:not(:disabled) { background: #e8f7f2; color: var(--accent-dark, #095b4b); }
.regional-calendar button:disabled { opacity: .35; cursor: default; }
.regional-calendar button[aria-current] { background: var(--accent, #0e7c66); color: #fff; border-color: var(--accent, #0e7c66); }
.regional-calendar button:focus-visible, .regional-date-open:focus-visible { outline: 2px solid var(--accent, #0e7c66); outline-offset: 2px; }
#regional-settings select { width: 100%; max-width: 460px; }

.regional-fields { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 16px; }
.regional-fields label { display: flex; flex-direction: column; gap: 6px; min-width: 0; }
.regional-fields select { max-width: 100%; min-width: 0; }
@media (max-width: 600px) { .regional-fields { grid-template-columns: minmax(0,1fr); } }

.regional-date-editor { box-sizing: border-box; min-height: 36px; padding: 6px 10px; border: 1px solid #cbd5e1; border-radius: 6px; font: inherit; color: inherit; background: white; }

#regional-settings p { margin: 10px 0 16px; }
#regional-settings [data-regional-example] { padding: 12px; border-radius: 8px; background: #f1f5f9; font-weight: 600; }