.viewer-header .header-inner{max-width:1328px;justify-content:space-between}
.back-link{display:inline-flex;align-items:center;min-height:44px;font-size:13px;text-decoration:none}
.viewer{max-width:1328px;margin:24px auto;padding:0 24px 32px}
.viewer-heading{display:flex;align-items:baseline;justify-content:space-between;gap:16px;margin-bottom:18px}
.viewer-heading h1{font-size:20px;margin:0}
.viewer-heading>span{color:var(--muted);font-size:13px}
.slide-stage{position:relative;width:100%;overflow:hidden;border:1px solid var(--gold);background:var(--paper);touch-action:pan-y pinch-zoom;scrollbar-color:var(--gold-dark) var(--paper)}
.slide-stage img{width:100%;height:auto;max-width:none}
.slide-stage.is-enlarged{height:70vh;overflow:auto;touch-action:pan-x pan-y pinch-zoom}
.slide-stage.is-enlarged img{width:max(1280px,150%)}
.viewer-controls{display:flex;align-items:center;justify-content:space-between;gap:18px;padding:14px 0;border-bottom:1px solid var(--line)}
.viewer button{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:44px;border:1px solid var(--line);border-radius:4px;padding:8px 14px;background:var(--paper);cursor:pointer}
.viewer button:hover:not(:disabled){border-color:var(--gold-dark);color:var(--gold-dark)}
.viewer button:disabled{color:var(--muted);opacity:.55;cursor:default}
.viewer button:active:not(:disabled){background:var(--chip)}
.viewer button[aria-pressed=true]{border-color:var(--gold-dark);color:var(--gold-dark)}
.slide-picker{display:flex;align-items:center;gap:18px;min-width:0}
.slide-picker select{min-width:0;width:360px;max-width:100%;min-height:44px;padding:8px 30px 8px 10px;border:1px solid var(--line);border-radius:4px;background:var(--paper);font:inherit;color:var(--ink)}
#slide-count{white-space:nowrap;font-variant-numeric:tabular-nums;color:var(--muted)}
.viewer-tools{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-top:8px}
.browse-hint{color:var(--muted);font-size:13px}
.viewer-tools button{border-color:transparent;padding-right:0}
.slide-text{margin-top:4px;max-width:72ch}
.slide-text summary{color:var(--gold-dark);justify-content:flex-start;gap:8px}
.slide-text summary::after{content:'+';font-size:18px}
.slide-text[open] summary::after{content:'−'}
#transcript p{white-space:pre-line;margin:12px 0;line-height:1.65}
#viewer-error{margin:16px 0;color:var(--ink)}
#retry{margin-left:8px}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip-path:inset(50%);white-space:nowrap;border:0}
[hidden]{display:none!important}
@media(max-width:700px){.viewer{margin-top:18px;padding:0 14px 24px}.viewer-heading{display:block;margin-bottom:14px}.viewer-heading h1{font-size:20px;margin-bottom:4px}.viewer-heading>span{font-size:12px}.viewer-controls{gap:8px;flex-wrap:wrap}.slide-picker{display:contents}.slide-picker select{order:3;width:100%;margin-top:2px}.viewer-controls button{padding:8px 10px}.viewer-tools{gap:8px}.browse-hint{font-size:12px;max-width:22ch}.viewer-tools button{font-size:13px}.slide-text{margin-top:8px}.viewer-header .header-inner{padding-inline:14px}.viewer-header .wordmark{flex:none}}