.help-viewer{position:fixed;inset:0;width:min(96vw,1480px);height:min(94dvh,1000px);max-width:none;max-height:none;margin:auto;padding:0;border:1px solid rgba(255,255,255,.18);border-radius:20px;background:#102a3a;color:#fff;box-shadow:0 30px 100px rgba(5,19,30,.45);overflow:hidden}
.help-viewer::backdrop{background:rgba(9,27,39,.82);backdrop-filter:blur(12px)}
.help-viewer-shell{display:grid;grid-template-rows:auto minmax(0,1fr) auto;height:100%;min-height:0}
.help-viewer-header{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:14px 20px;border-bottom:1px solid rgba(255,255,255,.13)}
.help-viewer-header>div{display:grid;gap:3px;min-width:0}.help-viewer-header strong{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-size:14px;color:#fff}.help-viewer-eyebrow{font-size:10px;letter-spacing:.08em;text-transform:uppercase;color:#9cb9c9}
.help-viewer-close,.help-viewer-arrow{display:grid;place-items:center;flex:none;border:1px solid rgba(255,255,255,.24);background:rgba(255,255,255,.1);color:#fff;cursor:pointer;transition:background .2s,transform .2s}.help-viewer-close:hover,.help-viewer-arrow:hover{background:rgba(255,255,255,.22);transform:scale(1.04)}
.help-viewer-close{width:38px;height:38px;border-radius:11px;font-size:26px;line-height:1}.help-viewer-stage{display:grid;grid-template-columns:56px minmax(0,1fr) 56px;align-items:center;justify-items:center;gap:10px;min-height:0;padding:14px 22px;background:radial-gradient(ellipse at center,#254357 0%,#102a3a 70%)}
.help-viewer-stage img{max-width:100%;max-height:100%;width:auto;height:auto;object-fit:contain;border-radius:7px;box-shadow:0 18px 50px rgba(0,0,0,.26)}
.help-viewer-arrow{width:43px;height:43px;border-radius:50%;font-size:32px;line-height:1}.help-viewer-arrow[hidden]{visibility:hidden;display:block}
.help-viewer-footer{display:flex;align-items:center;gap:18px;min-height:78px;padding:10px 20px;border-top:1px solid rgba(255,255,255,.13)}.help-viewer-footer>span{flex:none;font-size:12px;font-weight:800;color:#b5ccd8}
.help-viewer-thumbs{display:flex;align-items:center;gap:8px;min-width:0;overflow-x:auto;scrollbar-width:thin}.help-viewer-thumb{flex:none;width:75px;height:52px;padding:2px;border:2px solid transparent;border-radius:8px;background:rgba(255,255,255,.12);cursor:pointer}.help-viewer-thumb.is-active{border-color:#75c9e2}.help-viewer-thumb img{width:100%;height:100%;object-fit:cover;border-radius:4px}
.helpdesk-screenshot [data-help-viewer]:focus-visible,.help-viewer button:focus-visible{outline:3px solid #75c9e2;outline-offset:3px}
@media(max-width:680px){.help-viewer{width:100vw;height:100dvh;border:0;border-radius:0}.help-viewer-header{padding:12px 16px}.help-viewer-stage{grid-template-columns:34px minmax(0,1fr) 34px;gap:3px;padding:8px}.help-viewer-arrow{width:33px;height:33px;font-size:27px}.help-viewer-footer{min-height:72px;padding:8px 12px}.help-viewer-thumb{width:62px;height:45px}}
@media(prefers-reduced-motion:reduce){.help-viewer-close,.help-viewer-arrow{transition:none}}