/* VTS 52.2.0 — Immersive Canvas: live surfaces, invisible zones, guided cues, 360 morph. */
#viewer{isolation:isolate}
.v522-morph-canvas,.v522-zone-layer{position:absolute;inset:0;width:100%;height:100%;margin:0;display:block}
.v522-morph-canvas{z-index:7;pointer-events:none;transform:translateZ(0);will-change:clip-path,opacity}
.v522-zone-layer{z-index:19;overflow:visible;pointer-events:none}
.v522-zone{fill:rgba(255,255,255,.008);stroke:rgba(255,255,255,0);stroke-width:1.35;vector-effect:non-scaling-stroke;pointer-events:auto;cursor:pointer;outline:none;transition:fill 180ms ease-out,stroke 180ms ease-out,filter 180ms ease-out}
.v522-zone:hover,.v522-zone:focus-visible{fill:rgba(255,255,255,.08);stroke:rgba(255,255,255,.78);filter:drop-shadow(0 0 8px rgba(255,255,255,.16))}
.v522-zone.is-authoring{fill:rgba(30,112,255,.075);stroke:rgba(71,137,255,.72);stroke-dasharray:7 5;pointer-events:none}
.v522-morph-control{--v522-morph:50%;position:absolute;left:50%;bottom:max(18px,env(safe-area-inset-bottom));z-index:31;transform:translateX(-50%);display:grid;grid-template-columns:auto minmax(150px,260px) auto;align-items:center;gap:10px;padding:9px 12px;border:1px solid rgba(255,255,255,.18);border-radius:999px;background:rgba(18,20,24,.72);box-shadow:0 12px 32px rgba(0,0,0,.22);backdrop-filter:blur(16px) saturate(1.08);-webkit-backdrop-filter:blur(16px) saturate(1.08);color:#fff;font-size:12px;font-weight:650;letter-spacing:.01em}
.v522-morph-control[hidden]{display:none!important}
.v522-morph-control input{width:100%;min-width:140px;accent-color:#fff;cursor:ew-resize}
.v522-guided-caption{position:absolute;left:50%;bottom:82px;z-index:34;transform:translate(-50%,8px);max-width:min(560px,calc(100% - 36px));padding:10px 14px;border:1px solid rgba(255,255,255,.18);border-radius:14px;background:rgba(12,14,18,.78);box-shadow:0 12px 30px rgba(0,0,0,.2);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);color:#fff;font-size:14px;line-height:1.4;text-align:center;opacity:0;pointer-events:none;transition:opacity 200ms ease-out,transform 200ms ease-out}
.v522-guided-caption.is-visible{opacity:1;transform:translate(-50%,0)}

/* Studio hub */
.v522-immersive-hub{margin:14px 0 8px;padding:13px;border:1px solid var(--border,rgba(17,24,39,.10));border-radius:18px;background:color-mix(in srgb,var(--panel,#fff) 92%,transparent);box-shadow:0 8px 24px rgba(15,23,42,.045)}
.v522-immersive-hub>header,.v522-zone-editor>header,.v522-morph-editor>header,.v522-guide-cues>header{display:flex;align-items:center;justify-content:space-between;gap:12px}
.v522-immersive-hub>header b,.v522-zone-editor>header b,.v522-morph-editor>header b,.v522-guide-cues>header b{display:block;font-size:13px}
.v522-immersive-hub small,.v522-zone-editor small,.v522-morph-editor small,.v522-guide-cues small{display:block;margin-top:2px;color:var(--muted,#667085);font-size:11px;line-height:1.35}
.v522-immersive-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px;margin-top:11px}
.v522-immersive-action{min-height:62px;padding:10px 11px;border:1px solid var(--border,rgba(17,24,39,.11));border-radius:14px;background:var(--panel,#fff);color:inherit;text-align:left;cursor:pointer;transition:transform 150ms ease-out,border-color 150ms ease-out,box-shadow 150ms ease-out}
.v522-immersive-action:hover{transform:translateY(-1px);border-color:color-mix(in srgb,var(--accent,#4f7cff) 38%,var(--border,#d8dde8));box-shadow:0 7px 18px rgba(15,23,42,.06)}
.v522-immersive-action b{display:block;font-size:12px;line-height:1.25}.v522-immersive-action span{display:block;margin-top:3px;color:var(--muted,#667085);font-size:10.5px;line-height:1.3}
.v522-zone-editor,.v522-morph-editor{margin:10px 0;padding:13px;border:1px solid var(--border,rgba(17,24,39,.10));border-radius:16px;background:var(--panel,#fff)}
.v522-zone-editor[hidden],.v522-morph-editor[hidden]{display:none!important}
.v522-zone-editor>header>button,.v522-morph-editor>header>button{border:0;background:transparent;color:var(--muted,#667085);font-size:21px;line-height:1;cursor:pointer}
.v522-zone-form,.v522-morph-form{display:grid;gap:10px;margin-top:12px}
.v522-zone-form label,.v522-morph-form label,.v522-cue label{display:grid;gap:5px;color:var(--muted,#667085);font-size:10.5px;font-weight:600}
.v522-zone-form input,.v522-zone-form select,.v522-zone-form textarea,.v522-morph-form input,.v522-morph-form select,.v522-cue input,.v522-cue select{box-sizing:border-box;width:100%;min-height:38px;border:1px solid var(--border,rgba(17,24,39,.12));border-radius:10px;background:var(--panel,#fff);color:var(--text,#101828);padding:8px 9px;font:inherit}
.v522-zone-form textarea{min-height:72px;resize:vertical}
.v522-zone-actions{display:flex;gap:8px;flex-wrap:wrap;align-items:center}
.v522-zone-draw-state{min-height:18px;color:var(--muted,#667085);font-size:11px;line-height:1.35}
.v522-zone-drawing #viewer{cursor:crosshair!important}
.v522-zone-list{display:grid;gap:6px;margin-top:11px}
.v522-zone-row{display:grid;grid-template-columns:minmax(0,1fr) auto;align-items:center;gap:8px;padding:9px 10px;border:1px solid var(--border,rgba(17,24,39,.09));border-radius:12px;background:color-mix(in srgb,var(--panel,#fff) 96%,var(--bg,#f7f8fa))}
.v522-zone-row b{display:block;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-size:11.5px}.v522-zone-row small{font-size:10px}.v522-zone-row>div:last-child{display:flex;gap:4px}.v522-zone-row button{min-width:34px;min-height:34px;padding:0 8px;border:1px solid var(--border,rgba(17,24,39,.10));border-radius:9px;background:var(--panel,#fff);cursor:pointer}
.v522-morph-file{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:10px;border:1px dashed var(--border,rgba(17,24,39,.16));border-radius:12px}.v522-morph-file>div{min-width:0}.v522-morph-file b{display:block;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-size:11.5px}.v522-morph-file small{font-size:10px}
.v522-morph-form .grid2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px}.v522-morph-form .switch-row{display:flex;align-items:center;justify-content:space-between;gap:10px}.v522-morph-form .switch-row input{width:auto;min-height:auto}

/* Guided-tour cue editor */
.v522-guide-cues{margin-top:9px;padding:10px;border:1px solid color-mix(in srgb,var(--accent,#4f7cff) 18%,var(--border,#d7dce7));border-radius:13px;background:color-mix(in srgb,var(--accent,#4f7cff) 3%,var(--panel,#fff))}
.v522-guide-cues>header button{min-height:32px;border:1px solid var(--border,rgba(17,24,39,.12));border-radius:9px;background:var(--panel,#fff);padding:0 9px;cursor:pointer;font-size:10.5px;font-weight:700}
.v522-cue{display:grid;grid-template-columns:72px 124px minmax(120px,1fr) minmax(120px,1fr) 34px 34px;gap:6px;align-items:end;margin-top:8px;padding-top:8px;border-top:1px solid var(--border,rgba(17,24,39,.08))}
.v522-cue>button{width:34px;height:38px;border:1px solid var(--border,rgba(17,24,39,.11));border-radius:9px;background:var(--panel,#fff);cursor:pointer}

/* Existing live media surfaces: give authoring rows usable controls added by V52.2. */
.v522-media-actions{display:flex;gap:5px;margin-top:7px}.v522-media-actions button{min-height:32px;border:1px solid var(--border,rgba(17,24,39,.11));border-radius:9px;background:var(--panel,#fff);padding:0 9px;cursor:pointer;font-size:10.5px}

@media(max-width:760px){
  .v522-morph-control{bottom:max(74px,calc(env(safe-area-inset-bottom) + 66px));grid-template-columns:auto minmax(110px,1fr) auto;width:min(88vw,390px);box-sizing:border-box;padding:8px 10px;font-size:11px}
  .v522-guided-caption{bottom:132px;font-size:13px}
  .v522-immersive-grid{grid-template-columns:1fr}
  .v522-morph-form .grid2{grid-template-columns:1fr}
  .v522-cue{grid-template-columns:72px minmax(110px,1fr) 38px 38px}.v522-cue-hot,.v522-cue-caption{grid-column:1/-1}
  .v522-zone-editor,.v522-morph-editor{padding:11px}.v522-zone-row{grid-template-columns:1fr}.v522-zone-row>div:last-child{justify-content:flex-start}
}
@media(prefers-reduced-motion:reduce){.v522-zone,.v522-guided-caption,.v522-immersive-action{transition:none!important}}
/* Markup compatibility for injected 52.2 controls. */
.v522-effect-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px;margin-top:11px}
.v522-effect-grid>button{min-height:64px;display:flex;align-items:flex-start;gap:9px;padding:10px 11px;border:1px solid var(--border,rgba(17,24,39,.11));border-radius:14px;background:var(--panel,#fff);color:inherit;text-align:left;cursor:pointer;transition:transform 150ms ease-out,border-color 150ms ease-out,box-shadow 150ms ease-out}
.v522-effect-grid>button:hover{transform:translateY(-1px);border-color:color-mix(in srgb,var(--accent,#4f7cff) 38%,var(--border,#d8dde8));box-shadow:0 7px 18px rgba(15,23,42,.06)}
.v522-effect-grid>button i{display:grid;place-items:center;flex:0 0 29px;width:29px;height:29px;border-radius:9px;background:color-mix(in srgb,var(--accent,#4f7cff) 9%,transparent);font-style:normal;font-size:13px}
.v522-effect-grid>button span{min-width:0}.v522-effect-grid>button b{display:block;font-size:12px;line-height:1.25}.v522-effect-grid>button small{display:block;margin-top:3px;color:var(--muted,#667085);font-size:10.5px;line-height:1.3}
#v522ZoneEditor,#v522MorphEditor{margin:10px 0;padding:13px;border:1px solid var(--border,rgba(17,24,39,.10));border-radius:16px;background:var(--panel,#fff)}
#v522ZoneEditor[hidden],#v522MorphEditor[hidden]{display:none!important}
#v522ZoneList article{display:grid;grid-template-columns:minmax(0,1fr) auto;align-items:center;gap:8px;padding:9px 10px;border:1px solid var(--border,rgba(17,24,39,.09));border-radius:12px;background:color-mix(in srgb,var(--panel,#fff) 96%,var(--bg,#f7f8fa))}
#v522ZoneList article b{display:block;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-size:11.5px}#v522ZoneList article small{display:block;color:var(--muted,#667085);font-size:10px}#v522ZoneList article>div:last-child{display:flex;gap:4px}#v522ZoneList article button{min-height:34px;padding:0 8px;border:1px solid var(--border,rgba(17,24,39,.10));border-radius:9px;background:var(--panel,#fff);cursor:pointer}
@media(max-width:760px){.v522-effect-grid{grid-template-columns:1fr}#v522ZoneList article{grid-template-columns:1fr}#v522ZoneList article>div:last-child{justify-content:flex-start}}