:root{--bg-primary:#0a0a0a;--bg-secondary:#141414;--bg-tertiary:#1e1e1e;--bg-overlay:#000000f2;--text-primary:#e0e0e0;--text-secondary:#888;--text-muted:#555;--accent:#4a9eff;--accent-hover:#6bb3ff;--border:#2a2a2a;--gap-xs:4px;--gap-sm:8px;--gap-md:16px;--gap-lg:24px;--gap-xl:32px;--grid-gap:8px;--grid-unit:200px;--transition-fast:.15s ease;--transition-normal:.25s ease;--drawer-width:320px;--filmstrip-height:80px;--filmstrip-thumb:60px;--z-header:100;--z-viewer:200;--z-drawer:210;--z-controls:220}*,:before,:after{box-sizing:border-box;margin:0;padding:0}html{font-size:16px;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif;line-height:1.5;color:var(--text-primary);background:var(--bg-primary);min-height:100vh;overflow-x:hidden}body.viewer-open{overflow:hidden}.site-header{position:sticky;top:0;z-index:var(--z-header);display:flex;align-items:center;justify-content:space-between;padding:var(--gap-md)var(--gap-lg);background:var(--bg-secondary);border-bottom:1px solid var(--border);transition:transform var(--transition-normal),opacity var(--transition-normal)}.site-header.hidden{transform:translateY(-100%);opacity:0}.site-title{color:var(--text-primary);text-decoration:none;font-weight:600;font-size:1.125rem}.album-nav{display:flex;gap:var(--gap-md)}.album-link{color:var(--text-secondary);text-decoration:none;font-size:.875rem;transition:color var(--transition-fast)}.album-link:hover,.album-link.active{color:var(--text-primary)}.gallery{padding:var(--gap-lg)}.masonry-grid{margin:0 auto}.masonry-grid:after{content:"";display:block;clear:both}.grid-sizer,.photo-tile{width:var(--grid-unit)}.photo-tile{float:left;margin-bottom:var(--grid-gap);cursor:pointer;overflow:hidden;background:var(--bg-tertiary);transition:transform var(--transition-fast)}.photo-tile:hover{transform:scale(1.02)}.photo-tile.size-1x{width:var(--grid-unit)}.photo-tile.size-2x{width:calc(var(--grid-unit)*2 + var(--grid-gap))}.photo-tile.size-4x{width:calc(var(--grid-unit)*2 + var(--grid-gap))}.photo-tile img{display:block;width:100%;height:auto}.gutter-sizer{width:var(--grid-gap)}.photo-viewer{position:fixed;inset:0;z-index:var(--z-viewer);display:flex;flex-direction:column}.photo-viewer[hidden]{display:none}.viewer-backdrop{position:absolute;inset:0;background:var(--bg-overlay)}.viewer-controls{position:absolute;top:var(--gap-md);right:var(--gap-md);z-index:var(--z-controls);display:flex;gap:var(--gap-sm)}.viewer-btn{width:44px;height:44px;border:1px solid var(--border);border-radius:4px;background:var(--bg-secondary);color:var(--text-secondary);font-size:1.25rem;font-weight:600;cursor:pointer;transition:all var(--transition-fast)}.viewer-btn:hover{color:var(--text-primary);background:var(--bg-tertiary)}.viewer-btn.active{color:var(--accent);border-color:var(--accent)}.viewer-close{font-size:1.5rem;font-weight:400}.viewer-main{position:relative;flex:1;display:flex;align-items:center;justify-content:center;padding:var(--gap-xl);padding-bottom:calc(var(--filmstrip-height) + var(--gap-lg))}.viewer-image-container{max-width:100%;max-height:100%;display:flex;align-items:center;justify-content:center}.viewer-image{max-width:100%;max-height:calc(100vh - var(--filmstrip-height) - 100px);object-fit:contain;user-select:none}.viewer-nav{position:absolute;top:50%;transform:translateY(-50%);z-index:var(--z-controls);width:60px;height:100px;border:none;background:0 0;color:var(--text-secondary);font-size:3rem;cursor:pointer;transition:color var(--transition-fast)}.viewer-nav:hover{color:var(--text-primary)}.viewer-nav:disabled{opacity:.3;cursor:default}.viewer-prev{left:var(--gap-md)}.viewer-next{right:var(--gap-md)}.photo-viewer.drawer-open .viewer-next{right:calc(var(--drawer-width) + var(--gap-md))}.info-drawer{position:absolute;top:0;right:0;bottom:var(--filmstrip-height);width:var(--drawer-width);z-index:var(--z-drawer);background:var(--bg-secondary);border-left:1px solid var(--border);transform:translate(100%);transition:transform var(--transition-normal);overflow-y:auto}.photo-viewer.drawer-open .info-drawer{transform:translate(0)}.drawer-content{padding:var(--gap-lg)}.meta-section{margin-bottom:var(--gap-lg)}.meta-section h3{font-size:.75rem;font-weight:600;text-transform:uppercase;letter-spacing:.05em;color:var(--text-muted);margin-bottom:var(--gap-sm)}.meta-item{display:flex;justify-content:space-between;padding:var(--gap-xs)0;border-bottom:1px solid var(--border)}.meta-label{color:var(--text-secondary);font-size:.875rem}.meta-value{color:var(--text-primary);font-size:.875rem;text-align:right}.map-container{width:100%;height:200px;border-radius:4px;overflow:hidden;margin-top:var(--gap-sm)}.map-container .leaflet-container{width:100%;height:100%}.download-link{display:block;margin-top:var(--gap-lg);padding:var(--gap-sm)var(--gap-md);text-align:center;background:var(--bg-tertiary);border:1px solid var(--border);border-radius:4px;color:var(--text-primary);text-decoration:none;font-size:.875rem;transition:all var(--transition-fast)}.download-link:hover{background:var(--accent);border-color:var(--accent)}.filmstrip{position:absolute;bottom:0;left:0;right:0;height:var(--filmstrip-height);z-index:var(--z-controls);background:var(--bg-secondary);border-top:1px solid var(--border);overflow-x:auto;overflow-y:hidden;scroll-behavior:smooth;-webkit-overflow-scrolling:touch}.filmstrip::-webkit-scrollbar{height:4px}.filmstrip::-webkit-scrollbar-track{background:var(--bg-tertiary)}.filmstrip::-webkit-scrollbar-thumb{background:var(--border);border-radius:2px}.filmstrip-track{position:relative;height:100%;display:flex;align-items:center}.filmstrip-thumb{position:absolute;top:50%;transform:translateY(-50%);width:var(--filmstrip-thumb);height:var(--filmstrip-thumb);border:2px solid #0000;border-radius:4px;overflow:hidden;cursor:pointer;transition:border-color var(--transition-fast),opacity var(--transition-fast);opacity:.6}.filmstrip-thumb:hover{opacity:.9}.filmstrip-thumb.active{border-color:var(--accent);opacity:1}.filmstrip-thumb img{width:100%;height:100%;object-fit:cover}.photo-viewer.drawer-open .filmstrip{right:var(--drawer-width)}@media (width<=1024px){:root{--drawer-width:280px;--grid-unit:160px}.info-drawer{width:100%;bottom:0;transform:translateY(100%)}.photo-viewer.drawer-open .info-drawer{transform:translateY(0);height:50vh;top:auto}.photo-viewer.drawer-open .filmstrip{right:0;bottom:50vh}.photo-viewer.drawer-open .viewer-main{padding-bottom:calc(50vh + var(--gap-lg))}}@media (width<=768px){:root{--grid-unit:140px;--filmstrip-height:60px;--filmstrip-thumb:44px}.site-header{flex-direction:column;gap:var(--gap-sm);padding:var(--gap-sm)var(--gap-md)}.album-nav{flex-wrap:wrap;justify-content:center}.gallery{padding:var(--gap-md)}.viewer-nav{width:44px;font-size:2rem}}@media (width<=480px){:root{--grid-unit:calc((100vw - var(--gap-md)*2 - var(--grid-gap))/2)}.photo-tile.size-2x,.photo-tile.size-4x{width:var(--grid-unit)}}@media (prefers-reduced-motion:reduce){*,:before,:after{animation-duration:.01ms!important;transition-duration:.01ms!important}}:focus-visible{outline:2px solid var(--accent);outline-offset:2px}button:focus:not(:focus-visible){outline:none}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}