/* Hall selection, room facts, inventory photography and full-screen viewer. */
#halls .section-head{margin-bottom:32px}#halls .hall-layout{display:block}
#halls .hall-switch{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;margin:0}
#halls .hall-switch button{display:flex;justify-content:space-between;align-items:center;gap:16px;padding:20px 24px;min-height:76px;border:1px solid var(--border);border-radius:12px;background:var(--surface);color:var(--fg);font-weight:600;box-shadow:none;transition:background var(--motion),border-color var(--motion),color var(--motion)}
#halls .hall-switch button:hover{background:var(--hover);color:var(--fg);border-color:var(--fg)}
#halls .hall-switch button[aria-selected=true]{background:var(--accent-ui);color:var(--on-accent);border-color:var(--accent-ui)}
#halls .hall-switch button[aria-selected=true]:hover{background:oklch(from var(--accent-ui) calc(l + .06) c h);color:var(--on-accent);border-color:var(--accent-ui)}
#halls .hall-switch button:active{filter:brightness(.92)}#halls .hall-switch button:focus-visible{outline:3px solid var(--fg);outline-offset:4px}
#halls .hall-switch span{display:block}#halls .hall-tab-name{font-size:18px}#halls .hall-tab-area{font-size:15px;font-weight:500;white-space:nowrap;opacity:.8}
#halls .showcase-intro{display:grid;grid-template-columns:1fr;gap:16px;margin:40px 0 28px}#halls .showcase-intro h3{font-size:clamp(30px,3vw,44px);margin:0}#halls .showcase-intro>p{max-width:76ch;color:var(--muted);font-size:20px;line-height:1.5;text-wrap:pretty}
.hall-facts{display:grid;grid-template-columns:1fr 1fr;gap:20px 40px;padding:26px 28px;margin:0 0 32px;background:var(--surface);border:1px solid var(--border);border-radius:16px}
.hall-fact{display:flex;align-items:center;gap:16px;min-width:0}.hall-fact svg{flex-shrink:0;color:var(--accent-ui);width:28px;height:28px}.hall-fact dt{font-size:14px;color:var(--muted);margin-bottom:2px}.hall-fact dd{margin:0;font-size:18px;font-weight:600;line-height:1.5}.hall-fact-floor{grid-column:1/-1;border-top:1px solid var(--border);padding-top:20px}.hall-fact-floor dd{font-weight:400}
#halls .photo-stage{min-height:0;background:transparent}#halls .photo-stage img{width:auto;height:auto;max-width:100%;max-height:880px;margin:auto;border-radius:0}
.showcase-photo-open{position:relative;display:block;width:100%;padding:0;border:0;border-radius:0;background:transparent;line-height:0;overflow:hidden;cursor:zoom-in}.showcase-photo-open:hover{background:transparent}#open-hall-photo{width:fit-content;max-width:100%;margin-inline:auto}
.photo-expand-icon{position:absolute;top:20px;right:20px;display:grid;place-items:center;width:48px;height:48px;border-radius:50%;background:rgb(10 10 10 / .78);color:#fff;opacity:0;pointer-events:none;transition:opacity var(--motion),background var(--motion),transform var(--motion)}.showcase-photo-open:hover .photo-expand-icon{background:rgb(10 10 10 / .95);transform:scale(1.06)}#halls .photo-controls{margin-top:16px}
.equipment-grid{display:grid;grid-template-columns:1fr 1fr;gap:52px 32px}.equipment-card{min-width:0}.equipment-card .showcase-photo-open{aspect-ratio:4/3;background:var(--surface)}.equipment-card img{width:100%;height:100%;object-fit:cover}.equipment-card>.eyebrow{margin-top:22px;color:var(--muted)}.equipment-card h3{font-size:clamp(24px,2.4vw,34px);margin:8px 0 12px}.equipment-description{max-width:56ch;color:var(--muted);line-height:1.6}.equipment-note{font-size:14px;color:var(--muted);margin-top:36px}
#photo-dialog{position:fixed;inset:0;margin:0;padding:0;width:100vw;height:100dvh;max-width:none;max-height:none;border:0;border-radius:0;box-shadow:none;background:transparent;color:#fff;overflow:hidden;overscroll-behavior:contain}
#photo-dialog::backdrop{background:rgb(5 5 5 / .94)}body:has(#photo-dialog[open]){overflow:hidden}
.showcase-lightbox-head{position:absolute;z-index:2;top:0;left:0;right:0;display:flex;justify-content:space-between;align-items:center;gap:24px;padding:20px 28px;background:linear-gradient(rgb(0 0 0 / .65),transparent);pointer-events:none}.showcase-lightbox-head h2{font-size:18px;line-height:1.4}.showcase-lightbox-tools{display:flex;gap:8px;pointer-events:auto}
#photo-dialog button{display:grid;place-items:center;width:48px;min-height:48px;padding:0;border:0;border-radius:50%;background:rgb(32 32 32 / .85);color:#fff;font-size:22px}#photo-dialog button:hover{background:rgb(80 80 80 / .95);color:#fff}#photo-dialog button:focus-visible{outline:3px solid #fff;outline-offset:3px}#photo-dialog button:disabled{opacity:.35}
.showcase-lightbox-stage{position:absolute;inset:88px 24px 80px;display:flex;align-items:center;justify-content:center;overflow:hidden;touch-action:none;user-select:none}
#photo-dialog-image{flex:none;width:auto;height:auto;max-width:100%;max-height:100%;object-fit:contain;transform-origin:center;will-change:transform;user-select:none}.showcase-lightbox-stage[data-zoomed=true]{cursor:grab}.showcase-lightbox-stage[data-dragging=true]{cursor:grabbing}
.showcase-lightbox-controls{position:absolute;z-index:2;left:0;right:0;bottom:0;display:flex;align-items:center;justify-content:space-between;gap:20px;padding:16px 28px;background:linear-gradient(transparent,rgb(0 0 0 / .65));pointer-events:none}.showcase-lightbox-controls small{font-size:14px;color:rgb(255 255 255 / .8);max-width:65ch}.showcase-lightbox-controls>div{display:flex;gap:8px;pointer-events:auto}#photo-zoom-level{font-size:13px;font-variant-numeric:tabular-nums;white-space:nowrap}
@media(max-width:700px){#halls .hall-switch{gap:8px}#halls .hall-switch button{flex-direction:column;align-items:flex-start;justify-content:center;gap:4px;padding:14px 12px;min-height:82px}#halls .hall-tab-name{font-size:14px}#halls .hall-tab-area{font-size:13px}#halls .showcase-intro{margin:28px 0 24px}#halls .showcase-intro>p{font-size:17px}.hall-facts{padding:20px;gap:20px}.hall-fact{gap:12px;align-items:flex-start}.hall-fact dd{font-size:16px}.hall-fact svg{width:24px;height:24px;margin-top:7px}.hall-fact-capacity dd{font-size:14px}.photo-expand-icon{top:12px;right:12px;width:44px;height:44px}.equipment-grid{grid-template-columns:1fr;gap:36px}.showcase-lightbox-head{padding:12px;align-items:flex-start;gap:8px}.showcase-lightbox-head h2{font-size:13px;max-width:20ch;padding-top:10px}.showcase-lightbox-tools{gap:4px}#photo-dialog button{width:44px;min-height:44px}.showcase-lightbox-stage{inset:92px 0 104px}.showcase-lightbox-controls{padding:12px;gap:12px;flex-wrap:wrap}.showcase-lightbox-controls small{flex:1;font-size:12px}.showcase-lightbox-controls>div{gap:4px}}
@media(prefers-reduced-motion:reduce){#halls .hall-switch button,.photo-expand-icon{transition:none}}

@media(hover:hover){.showcase-photo-open:hover .photo-expand-icon{opacity:1}}