.presentation-page { padding-bottom: 32px; max-width: 910px; margin: 0 auto; float: none; }
.presentation-intro { max-width: 880px; margin: 0 auto 28px; }
.presentation-eyebrow { color: #4c777b; font-size: 12px; letter-spacing: .09em; text-transform: uppercase; }
.presentation-intro h1 { font-size: clamp(28px, 3.6vw, 44px); line-height: 1.15; }
.slide-viewer { background: #19262d; border: 1px solid #273b46; border-radius: 10px; overflow: hidden; box-shadow: 0 12px 32px #152d3820; }
.slide-stage { display: flex; align-items: center; justify-content: center; min-height: 120px; background: #111a20; }
.slide-stage .slide-image { display: block; width: 100%; height: auto; max-height: 75vh; object-fit: contain; border: 0; margin: 0; }
.slide-toolbar { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 12px; padding: 14px 18px; color: #eaf1f4; }
.slide-toolbar[hidden] { display: none; }
.slide-navigation, .slide-actions { display: flex; align-items: center; gap: 8px; }
.slide-label { margin: 0 6px; white-space: nowrap; color: #eaf1f4; }
.slide-toolbar button, .slide-toolbar select { border: 1px solid #526772; border-radius: 5px; background: #233841; color: #fff; font: inherit; padding: 8px 12px; min-height: 42px; }
.slide-toolbar button:hover { background: #345360; }
.slide-toolbar button:disabled { opacity: .4; cursor: default; }
.slide-toolbar select { padding: 7px; }
.slide-viewer:focus-visible, .slide-toolbar button:focus-visible, .slide-toolbar select:focus-visible { outline: 3px solid #48c8d4; outline-offset: -3px; }
.slide-status { overflow-wrap: anywhere; color: #eaf1f4; margin: 0; padding: 0 18px 10px; font-size: 12px; }
.slide-status:empty { padding: 0; }
.presentation-resources { display: flex; justify-content: space-between; align-items: baseline; flex-wrap: wrap; gap: 12px; margin: 20px 0; }
.presentation-resources p { font-size: 12px; color: #555; }
.presentation-links { display: flex; flex-wrap: wrap; gap: 18px; }
.slide-transcript { border-top: 1px solid #d7e2e5; padding-top: 16px; }
.slide-transcript summary { cursor: pointer; }
.slide-transcript pre { white-space: pre-wrap; margin-top: 14px; }
.slide-viewer:fullscreen { border-radius: 0; display: flex; flex-direction: column; width: 100%; height: 100%; }
.slide-viewer:fullscreen .slide-stage { flex: 1; min-height: 0; }
.slide-viewer:fullscreen .slide-image { height: 100%; max-height: 100%; width: 100%; }
@media (max-width: 600px) {
  .slide-toolbar { padding: 10px; justify-content: center; }
  .slide-actions { flex-wrap: wrap; justify-content: center; }
  .presentation-eyebrow { letter-spacing: .04em; }
}