:root {
  --dash-bg: #F5F4EF;
  --dash-panel: #FFFFFF;
  --dash-border: #E2E0D5;
  --dash-primary: #4E3C33;
  --dash-text: #2A2A28;
  --dash-muted: #8A8578;
  --dash-danger: #B23B3B;
  --dash-radius: 8px;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--dash-bg);
  color: var(--dash-text);
  font-family: 'Noto Sans TC', 'Noto Sans JP', sans-serif;
  font-size: 14px;
}
button { font-family: inherit; }

.app { display: flex; flex-direction: column; height: 100vh; }
.app.is-loading .panelContent { opacity: .4; }

.topBar {
  display: flex;
  align-items: center;
  gap: 20px;
  padding: 14px 24px;
  background: var(--dash-primary);
  color: #fff;
  flex-wrap: wrap;
}
.topBar__title { font-size: 16px; font-weight: 500; margin: 0; white-space: nowrap; }
.topBar__actions { display: flex; align-items: center; gap: 10px; margin-left: auto; flex-wrap: wrap; }

.fsWarning { display: none; font-size: 12px; background: rgba(255,255,255,0.15); padding: 6px 12px; border-radius: 6px; }
.fsWarning.is-visible { display: block; }

.saveStatus { font-size: 12px; padding: 4px 10px; border-radius: 999px; }
.saveStatus.is-saved { background: rgba(255,255,255,0.15); }
.saveStatus.is-dirty { background: #C9622A; }

.btn {
  border: 1px solid rgba(255,255,255,0.4);
  background: transparent;
  color: #fff;
  padding: 8px 16px;
  border-radius: 999px;
  font-size: 13px;
  cursor: pointer;
  white-space: nowrap;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
}
.btn:hover { background: rgba(255,255,255,0.12); }
.btn--primary { background: #fff; color: var(--dash-primary); border-color: #fff; font-weight: 500; }
.btn--primary:hover { background: #f0ede6; }
.btn--primary:disabled { opacity: .4; cursor: not-allowed; }
.btn--ghost { border-color: rgba(255,255,255,0.3); }
.btn.is-connected { background: #6B8F71; border-color: #6B8F71; color: #fff; }

.flashMsg {
  position: fixed; top: 70px; left: 50%; transform: translateX(-50%) translateY(-10px);
  background: var(--dash-primary); color: #fff; padding: 10px 20px; border-radius: 8px;
  font-size: 13px; opacity: 0; pointer-events: none; transition: opacity .3s, transform .3s;
  z-index: 200; box-shadow: 0 8px 24px rgba(0,0,0,0.2);
}
.flashMsg.is-visible { opacity: 1; transform: translateX(-50%) translateY(0); }

.layout { flex: 1; display: grid; grid-template-columns: 220px 1fr 380px; min-height: 0; }

.sideNav { background: var(--dash-panel); border-right: 1px solid var(--dash-border); overflow-y: auto; padding: 12px; }
.pageSelectWrap { padding: 4px 8px 14px; margin-bottom: 10px; border-bottom: 1px solid var(--dash-border); }
.pageSelectWrap label { display: block; font-size: 11px; color: var(--dash-muted); margin-bottom: 6px; }
.pageSelectWrap select { width: 100%; padding: 8px 10px; border: 1px solid var(--dash-border); border-radius: 6px; font-size: 12px; background: var(--dash-panel); color: var(--dash-text); }
.navDivider { height: 1px; background: var(--dash-border); margin: 8px 4px 12px; }
.navItem {
  display: flex; align-items: center; gap: 10px;
  width: 100%; text-align: left;
  padding: 10px 12px; border-radius: 6px;
  border: none; background: none; cursor: pointer;
  font-size: 13px; color: var(--dash-text);
  margin-bottom: 2px;
}
.navItem:hover { background: var(--dash-bg); }
.navItem.is-active { background: var(--dash-primary); color: #fff; }
.navItem__icon { font-size: 15px; }

.panelContent { overflow-y: auto; padding: 28px 32px; }
.loadingMsg, .errorMsg { color: var(--dash-muted); }
.errorMsg { color: var(--dash-danger); }

.panel__title { font-size: 20px; margin: 0 0 24px; font-weight: 500; }

.field { margin-bottom: 22px; max-width: 640px; }
.field > label { display: block; font-size: 12px; color: var(--dash-muted); margin-bottom: 6px; }
.field__hint { font-size: 11px; color: var(--dash-muted); margin: 4px 0 0; }

.input {
  width: 100%; padding: 9px 12px;
  border: 1px solid var(--dash-border); border-radius: 6px;
  background: var(--dash-panel); color: var(--dash-text);
  font-size: 13px; font-family: inherit;
}
.input:focus { outline: none; border-color: var(--dash-primary); }
textarea.input { resize: vertical; }
.input--hex { max-width: 120px; margin-left: 8px; }
.input--path { font-size: 11px; color: var(--dash-muted); margin-top: 6px; }

.colorField { display: flex; align-items: center; }
.colorField input[type=color] { width: 40px; height: 36px; border: 1px solid var(--dash-border); border-radius: 6px; padding: 2px; background: none; cursor: pointer; }

.checkboxField { display: flex; align-items: center; gap: 8px; font-size: 13px; cursor: pointer; }

.imageField__preview {
  display: block; width: 160px; height: 110px; object-fit: cover;
  border-radius: 6px; border: 1px solid var(--dash-border); background: #eee; margin-bottom: 8px;
}
.fileInput { display: none; }
.btn--small { background: var(--dash-primary); color: #fff; border-color: var(--dash-primary); padding: 6px 14px; font-size: 12px; }
.btn--small:hover { opacity: .85; }
.btn--smallOutline { background: transparent; color: var(--dash-primary); border-color: var(--dash-border); }
.btn--smallOutline:hover { background: var(--dash-bg); opacity: 1; }
.previewPane__barActions { display: flex; align-items: center; gap: 8px; }

.linkPairField { display: flex; gap: 10px; }

.stringListField__row { display: flex; gap: 8px; margin-bottom: 8px; }
.btn--icon { border: 1px solid var(--dash-border); background: #fff; color: var(--dash-danger); border-radius: 6px; width: 34px; cursor: pointer; }

.imageListField__grid { display: flex; flex-wrap: wrap; gap: 10px; }
.imageListField__cell { position: relative; width: 90px; height: 70px; }
.imageListField__cell img { width: 100%; height: 100%; object-fit: cover; border-radius: 6px; border: 1px solid var(--dash-border); }
.imageListField__del {
  position: absolute; top: -6px; right: -6px; width: 20px; height: 20px; border-radius: 50%;
  border: none; background: var(--dash-danger); color: #fff; font-size: 11px; cursor: pointer;
}
.imageListField__add {
  width: 90px; height: 70px; display: flex; align-items: center; justify-content: center;
  border: 1px dashed var(--dash-border); border-radius: 6px; font-size: 11px; color: var(--dash-muted);
  cursor: pointer; text-align: center; padding: 4px;
}

.listBox { margin-top: 8px; max-width: 700px; }
.listBox__title { font-size: 14px; color: var(--dash-muted); font-weight: 500; margin: 0 0 12px; }
.listBox__items { display: flex; flex-direction: column; gap: 10px; margin-bottom: 14px; }

.itemCard { border: 1px solid var(--dash-border); border-radius: var(--dash-radius); background: var(--dash-panel); }
.itemCard summary { list-style: none; display: flex; align-items: center; justify-content: space-between; padding: 12px 16px; cursor: pointer; font-size: 13px; }
.itemCard summary::-webkit-details-marker { display: none; }
.itemCard__controls { display: flex; gap: 6px; }
.itemCard__controls button { border: 1px solid var(--dash-border); background: #fff; border-radius: 4px; width: 28px; height: 26px; cursor: pointer; font-size: 12px; }
.itemCard__delBtn { width: auto !important; padding: 0 10px; color: var(--dash-danger); }
.itemCard__body { padding: 4px 16px 16px; border-top: 1px solid var(--dash-border); }
.itemCard__body .field { margin-top: 16px; margin-bottom: 0; }

.sectionsList { display: flex; flex-direction: column; gap: 8px; max-width: 700px; }
.sectionRow {
  display: flex; align-items: center; gap: 14px;
  padding: 12px 16px; border: 1px solid var(--dash-border); border-radius: var(--dash-radius);
  background: var(--dash-panel);
}
.sectionRow.is-hidden { opacity: .5; background: repeating-linear-gradient(45deg, var(--dash-panel), var(--dash-panel) 10px, var(--dash-bg) 10px, var(--dash-bg) 20px); }
.sectionRow__order { width: 22px; height: 22px; border-radius: 50%; background: var(--dash-bg); color: var(--dash-muted); font-size: 11px; display: flex; align-items: center; justify-content: center; flex-shrink: 0; }
.sectionRow__label { flex: 1; font-size: 14px; }
.sectionRow__controls { display: flex; gap: 6px; }
.sectionRow__controls button { border: 1px solid var(--dash-border); background: #fff; border-radius: 4px; height: 30px; min-width: 30px; padding: 0 10px; cursor: pointer; font-size: 12px; }
.sectionRow__controls button:disabled { opacity: .3; cursor: not-allowed; }
.sectionRow__toggle { color: var(--dash-primary); font-weight: 500; }

.previewPane { border-left: 1px solid var(--dash-border); display: flex; flex-direction: column; background: #ddd; }
.previewPane__bar { display: flex; align-items: center; justify-content: space-between; padding: 10px 14px; font-size: 12px; color: var(--dash-muted); background: var(--dash-panel); border-bottom: 1px solid var(--dash-border); }
.previewPane__frame { flex: 1; width: 100%; border: none; }

@media (max-width: 1200px) {
  .layout { grid-template-columns: 200px 1fr; }
  .previewPane { display: none; }
}