/* fix18-10-hotfix30-B5-R5.2-B3 — Geo Intelligence 地圖設定 UI
   只補充 Core 既有 dark theme（main.css 的 --bg-*/--accent/--border/--text-*/--danger/--success
   變數）沒有覆蓋到的元件：fieldset radio 群組、行政區多選清單、Preview 地圖容器與
   loading overlay、bounds 欄位 grid、footer 按鈕列。不新增任何 Bootstrap 或第二套主題，
   一律沿用既有變數，寬度/breakpoint 也沿用 main.css 既有的 768px 慣例。 */

.geo-settings-fieldset {
  border: 1px solid var(--border, #333);
  border-radius: 8px;
  padding: 12px 14px 14px;
  margin: 0 0 10px;
}
.geo-settings-fieldset legend {
  padding: 0 6px;
  font-size: 15px;
  font-weight: 600;
  color: var(--accent, #f5a623);
}

.geo-settings-radio-group {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 20px;
  margin-top: 8px;
}
.geo-settings-radio {
  display: flex;
  align-items: center;
  gap: 6px;
  cursor: pointer;
  font-size: 14px;
  color: var(--text-primary, #eee);
}
.geo-settings-radio input[type="radio"] {
  width: 18px;
  height: 18px;
  accent-color: var(--accent, #f5a623);
  cursor: pointer;
}
.geo-settings-radio input[type="radio"]:focus-visible {
  outline: 2px solid var(--accent, #f5a623);
  outline-offset: 2px;
}

.geo-settings-checkbox {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 12px;
  font-size: 13px;
  color: var(--text-secondary, #999);
  cursor: pointer;
}
.geo-settings-checkbox input[type="checkbox"] {
  width: 18px;
  height: 18px;
  accent-color: var(--accent, #f5a623);
  cursor: pointer;
}
.geo-settings-checkbox input[type="checkbox"]:focus-visible {
  outline: 2px solid var(--accent, #f5a623);
  outline-offset: 2px;
}

.geo-settings-zoom-value {
  text-align: center;
  font-size: 20px;
  font-weight: 700;
  color: var(--accent, #f5a623);
  margin: 4px 0 8px;
}

.geo-settings-error {
  color: var(--danger, #e53935) !important;
  font-size: 12px;
  margin-top: 4px;
}

.geo-settings-district-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 6px 12px;
  max-height: 220px;
  overflow-y: auto;
  margin: 10px 0;
  padding: 8px;
  border: 1px solid var(--border, #333);
  border-radius: 6px;
  background: var(--bg-base, #0f0f0f);
}
.geo-settings-district-item {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  color: var(--text-primary, #eee);
  cursor: pointer;
}
.geo-settings-district-item input[type="checkbox"] {
  width: 16px;
  height: 16px;
  accent-color: var(--accent, #f5a623);
  cursor: pointer;
}
.geo-settings-district-item input[type="checkbox"]:focus-visible {
  outline: 2px solid var(--accent, #f5a623);
  outline-offset: 2px;
}

.geo-settings-btn-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 10px;
}
.geo-settings-footer-actions {
  margin-top: 16px;
}

.geo-settings-preview-map {
  position: relative;
  width: 100%;
  height: 420px;
  border: 1px solid var(--border, #333);
  border-radius: 8px;
  overflow: hidden; /* 需求十四之七：防止世界地圖水平重複造成錯誤觀感 */
  background: var(--bg-base, #0f0f0f);
}
.geo-settings-preview-loading {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary, #999);
  font-size: 13px;
  background: var(--bg-base, #0f0f0f);
  z-index: 5;
  pointer-events: none;
  transition: opacity 0.2s ease;
}
.geo-settings-preview-loading.geo-settings-hidden {
  opacity: 0;
  visibility: hidden;
}

/* ── Responsive：768px 以下沿用既有 main.css 慣例斷點 ────────────── */
@media (max-width: 768px) {
  .geo-settings-district-list { grid-template-columns: 1fr; }
  .geo-settings-preview-map { height: 320px; }
  .geo-settings-btn-row { flex-direction: column; align-items: stretch; }
  .geo-settings-btn-row button { width: 100%; }
}

/* ── 390px 手機：bounds 四欄改單欄（沿用既有 input 本身就是 block 版面，這裡
      只需確保 preview 高度落在 300~320px 區間、不水平溢出）────────────── */
@media (max-width: 480px) {
  .geo-settings-preview-map { height: 300px; }
  .geo-settings-radio-group { flex-direction: column; gap: 10px; }
}