.dialog-header{position:sticky;top:0;z-index:5;background:#fff}
.history-viewer{display:grid;grid-template-columns:44px minmax(0,1fr) 44px;align-items:center;gap:10px;margin:12px 0}
.history-preview{min-height:280px;display:grid;place-items:center;text-align:center;background:#f3f6f7;border-radius:6px;padding:14px;overflow:hidden}
.history-preview img{display:block;max-width:100%;max-height:62vh;object-fit:contain}
.history-preview p{margin:8px 0 0;color:var(--muted);font-size:11px;overflow-wrap:anywhere}
.history-nav{width:40px;height:44px;border:1px solid var(--line);background:#fff;color:var(--ink);font-size:28px;border-radius:5px}
.history-nav:disabled{opacity:.35;cursor:default}
.history-position{text-align:center;color:var(--muted);font-size:12px}
.settings-form{max-width:720px;display:grid;grid-template-columns:1fr 1fr;gap:18px 24px;padding-top:16px}
.settings-form>div{display:grid;gap:6px;align-content:start}
.settings-form>div small{color:var(--muted)}
.settings-form>div strong{font-size:15px}
.settings-form .inline-error{grid-column:1/-1}
.health-state{font-size:11px;font-weight:600}
.health-normal{color:#16845f}
.health-abnormal{color:#b5443a}
.health-unknown{color:#7b8790}
@media(max-width:680px){.settings-form{grid-template-columns:1fr}.settings-form .inline-error{grid-column:auto}.history-viewer{grid-template-columns:36px minmax(0,1fr) 36px;gap:4px}.history-nav{width:34px}}