body.presentation-page{padding-bottom:32px}
.presentation-topbar{position:sticky;top:0;z-index:70;background:rgba(244,247,249,.96);backdrop-filter:blur(16px);border-bottom:1px solid rgba(8,44,60,.08)}
.presentation-topbar .shell{height:64px;display:flex;align-items:center;gap:10px}
.presentation-back{width:40px;height:40px;display:grid;place-items:center;border:1px solid var(--line);border-radius:13px;background:#fff;color:var(--navy);font-size:20px;font-weight:800;flex:0 0 auto}
.presentation-topbar-logo{width:92px;height:38px;object-fit:contain;object-position:left center}
.presentation-topbar-copy{min-width:0;flex:1}.presentation-topbar-copy b{display:block;font-size:12px}.presentation-topbar-copy span{display:block;margin-top:2px;color:var(--muted);font-size:9.5px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.presentation-hero{margin:14px 0 14px;padding:22px 20px;border-radius:24px;background:linear-gradient(145deg,var(--navy),var(--teal));color:#fff;box-shadow:var(--shadow);position:relative;overflow:hidden}
.presentation-hero:after{content:"PDF";position:absolute;right:-8px;bottom:-28px;font-size:92px;line-height:1;font-weight:950;color:rgba(255,255,255,.055);letter-spacing:-.08em}
.presentation-hero .eyebrow{color:#8FD8F6}.presentation-hero h1{margin:4px 0 7px;font-size:29px;line-height:1.05;letter-spacing:-.04em}.presentation-hero p{max-width:590px;margin:0;color:#D6E8EE;font-size:12px;line-height:1.55}
.presentation-hero-meta{display:flex;gap:7px;flex-wrap:wrap;margin-top:14px}.presentation-hero-meta span{display:inline-flex;align-items:center;min-height:29px;padding:0 9px;border:1px solid rgba(255,255,255,.16);border-radius:999px;background:rgba(255,255,255,.08);font-size:9px;font-weight:850}
.presentation-toolbar{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:8px;align-items:center;margin:0 0 10px}.presentation-toolbar .search{margin:0}.presentation-count{min-width:74px;text-align:right;color:var(--muted);font-size:10px;font-weight:800}
.presentation-filters{display:flex;gap:7px;overflow:auto;scrollbar-width:none;margin:0 0 12px;padding-bottom:2px}.presentation-filters::-webkit-scrollbar{display:none}.presentation-filter{white-space:nowrap;border:1px solid var(--line);background:#fff;color:var(--navy);border-radius:999px;padding:9px 12px;font-size:9.5px;font-weight:850;cursor:pointer}.presentation-filter.active{background:var(--navy);border-color:var(--navy);color:#fff}
.presentation-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}
.presentation-card{display:grid;grid-template-columns:88px minmax(0,1fr);min-height:152px;background:#fff;border:1px solid var(--line);border-radius:19px;overflow:hidden;box-shadow:0 4px 18px rgba(8,44,60,.045)}
.presentation-card-photo{position:relative;min-height:100%;background:linear-gradient(180deg,#F4F9FB,#E8F0F3)}.presentation-card-photo img{width:100%;height:100%;object-fit:cover;object-position:center top}.presentation-card-photo:after{content:"PDF";position:absolute;left:8px;bottom:8px;padding:4px 6px;border-radius:7px;background:rgba(8,44,60,.88);color:#fff;font-size:8px;font-weight:950;letter-spacing:.08em}
.presentation-card-body{display:flex;flex-direction:column;min-width:0;padding:12px}.presentation-card-track{color:var(--blue);font-size:8px;font-weight:950;text-transform:uppercase;letter-spacing:.07em}.presentation-card h2{margin:5px 0 4px;font-size:14px;line-height:1.18;letter-spacing:-.02em}.presentation-card h3{margin:0;color:var(--teal);font-size:10.5px;line-height:1.3}.presentation-card p{margin:5px 0 0;color:var(--muted);font-size:9.5px;line-height:1.4;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.presentation-card-meta{display:flex;gap:7px;flex-wrap:wrap;margin-top:auto;padding-top:9px;color:#69808A;font-size:8.5px;font-weight:800}.presentation-card-actions{display:flex;gap:6px;margin-top:8px}.presentation-card-actions a{flex:1;min-height:34px;display:grid;place-items:center;border-radius:10px;font-size:9px;font-weight:900}.presentation-view-btn{background:var(--blue);color:#fff}.presentation-open-btn{border:1px solid #CDE1E8;background:#F7FBFC;color:var(--teal)}
.presentation-note{margin:14px 0 0;padding:12px 13px;border:1px solid #D7E5EA;border-radius:15px;background:#fff;color:var(--muted);font-size:9.5px;line-height:1.5}.presentation-note b{color:var(--navy)}
.presentation-empty{grid-column:1/-1;min-height:180px;display:grid;place-items:center;text-align:center;border:1px dashed #C6DCE4;border-radius:18px;background:#F8FBFC;color:var(--muted);font-size:11px}

.viewer-page{height:100vh;overflow:hidden;background:#E9EFF2;padding:0}.viewer-shell{height:100vh;display:grid;grid-template-rows:auto auto minmax(0,1fr)}
.viewer-top{background:#fff;border-bottom:1px solid var(--line)}.viewer-top-inner{min-height:62px;display:flex;align-items:center;gap:9px}.viewer-title-wrap{min-width:0;flex:1}.viewer-title-wrap b{display:block;font-size:12px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.viewer-title-wrap span{display:block;margin-top:2px;color:var(--muted);font-size:9px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.viewer-actions{display:flex;gap:6px}.viewer-actions a{min-height:38px;display:grid;place-items:center;border-radius:11px;padding:0 10px;font-size:9px;font-weight:900}.viewer-open{background:var(--blue);color:#fff}.viewer-library{border:1px solid var(--line);background:#fff;color:var(--navy)}
.viewer-info{display:grid;grid-template-columns:52px minmax(0,1fr) auto;gap:10px;align-items:center;padding:9px 14px;background:#F7FAFB;border-bottom:1px solid var(--line)}.viewer-info img{width:52px;height:52px;border-radius:12px;object-fit:cover;object-position:center top;background:#E9F0F3}.viewer-info h1{margin:0;font-size:13px;line-height:1.25}.viewer-info p{margin:3px 0 0;color:var(--muted);font-size:9px;line-height:1.35}.viewer-meta{color:var(--teal);font-size:9px;font-weight:850;text-align:right;white-space:nowrap}.pdf-stage{position:relative;min-height:0;background:#DDE5E9}.pdf-stage iframe{width:100%;height:100%;border:0;background:#fff}.pdf-fallback{position:absolute;inset:0;display:none;place-items:center;padding:24px;text-align:center;background:#F4F7F9;color:var(--muted)}.pdf-fallback h2{margin:0 0 6px;color:var(--navy);font-size:18px}.pdf-fallback p{max-width:420px;margin:0 0 12px;font-size:11px;line-height:1.5}.pdf-fallback a{min-height:42px;display:inline-grid;place-items:center;padding:0 14px;border-radius:12px;background:var(--blue);color:#fff;font-size:10px;font-weight:900}
@media(max-width:680px){.presentation-grid{grid-template-columns:1fr}.presentation-card{grid-template-columns:94px minmax(0,1fr)}.presentation-hero h1{font-size:26px}.viewer-info{grid-template-columns:46px minmax(0,1fr)}.viewer-info img{width:46px;height:46px}.viewer-meta{grid-column:2;text-align:left}.viewer-title-wrap span{display:none}}
@media(max-width:430px){.presentation-toolbar{grid-template-columns:1fr}.presentation-count{text-align:left}.presentation-card{grid-template-columns:82px minmax(0,1fr)}.presentation-card-actions{flex-direction:column}.viewer-actions .viewer-library{display:none}.viewer-actions a{padding:0 9px}.viewer-top-inner{padding-left:9px;padding-right:9px}.viewer-info{padding-left:9px;padding-right:9px}}