:root{--bg-light: #fffef9;--text-light: #333333;--text-secondary-light: #666666;--bg-dark: #1a1a1a;--text-dark: #e9e9e9;--text-secondary-dark: #b0b0b0;--button-bg-light: rgba(255, 255, 255, .8);--button-bg-dark: rgba(50, 50, 50, .7);--button-hover-shadow-light: 0 2px 8px rgba(0, 0, 0, .1);--button-hover-shadow-dark: 0 2px 8px rgba(0, 0, 0, .4);--transition-speed: .3s}html,body,.photo-container,.photo-detail img,.photo-caption,.photo-metadata,.theme-toggle,.gallery-button{transition:background-color var(--transition-speed) ease,color var(--transition-speed) ease,border-color var(--transition-speed) ease,box-shadow var(--transition-speed) ease}html,body{background-color:var(--bg-light);color:var(--text-light);min-height:100vh}html.dark-mode,html.dark-mode body{background-color:var(--bg-dark);color:var(--text-dark)}.photo-container{display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:calc(100vh - 100px);padding:2rem;transition:background-color var(--transition-speed) ease}html.dark-mode .photo-container{background-color:var(--bg-dark)}html:not(.dark-mode) .photo-container{background-color:var(--bg-light)}.photo-detail{max-width:1200px;width:100%;margin:0 auto;position:relative;display:flex;flex-direction:column;align-items:center}.photo-detail img{max-width:100%;max-height:90vh;height:auto;border-radius:4px;transition:all var(--transition-speed) ease;display:block;object-fit:contain}html.dark-mode .photo-detail img{box-shadow:0 8px 30px #00000080;border:1px solid rgba(255,255,255,.05)}html:not(.dark-mode) .photo-detail img{box-shadow:0 8px 30px #00000026;border:1px solid rgba(0,0,0,.03)}.photo-caption{margin-top:1.5rem;text-align:center;font-size:1.2rem;transition:color var(--transition-speed) ease}html.dark-mode .photo-caption{color:var(--text-dark)}html:not(.dark-mode) .photo-caption{color:var(--text-light)}.photo-metadata{text-align:center;margin-top:.5rem;font-size:.9rem;transition:color var(--transition-speed) ease}html.dark-mode .photo-metadata{color:var(--text-secondary-dark)}html:not(.dark-mode) .photo-metadata{color:var(--text-secondary-light)}.photo-metadata .camera,.photo-metadata .date{display:inline-block;margin:0 5px}.photo-metadata i{margin-right:5px;opacity:.8}.photo-tech-details{margin-top:.5rem;display:flex;flex-wrap:wrap;justify-content:center;gap:.5rem}.tech-detail{background-color:#0000001a;padding:.2rem .5rem;border-radius:12px;font-size:.8rem;font-weight:500}html.dark-mode .tech-detail{background-color:#ffffff1a;color:var(--text-secondary-dark)}html:not(.dark-mode) .tech-detail{background-color:#00000014;color:var(--text-secondary-light)}.photo-dimensions{margin-top:.5rem;font-size:.8rem;opacity:.7}.options-toggle,.gallery-button{position:fixed!important;z-index:1000;width:44px;height:44px;border-radius:50%;display:flex;align-items:center;justify-content:center;cursor:pointer;border:none;outline:none;text-decoration:none;box-shadow:0 2px 8px #0003;transition:all .2s ease}.options-toggle{top:20px;right:20px}.gallery-button{top:20px;left:20px}html.dark-mode .options-toggle,html.dark-mode .gallery-button{background-color:var(--button-bg-dark);color:var(--text-dark);box-shadow:0 2px 10px #0006}html:not(.dark-mode) .options-toggle,html:not(.dark-mode) .gallery-button{background-color:var(--button-bg-light);color:var(--text-light);box-shadow:0 2px 8px #0000001a}.options-toggle:hover,.gallery-button:hover{transform:scale(1.1)}html.dark-mode .options-toggle:hover,html.dark-mode .gallery-button:hover{background-color:#464646e6}html:not(.dark-mode) .options-toggle:hover,html:not(.dark-mode) .gallery-button:hover{background-color:#fff}.options-backdrop{position:fixed;inset:0;background-color:#00000080;z-index:1001;opacity:0;visibility:hidden;transition:opacity .3s ease,visibility .3s ease}.options-backdrop.active{opacity:1;visibility:visible}.options-dialog{position:fixed;top:70px;right:20px;width:320px;max-width:calc(100vw - 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24px)}}header{transition:background-color var(--transition-speed) ease;position:relative}html.dark-mode header{background-color:var(--bg-dark)}html.dark-mode .back-link{color:var(--text-dark)}html:not(.dark-mode) .back-link{color:var(--text-light)}.photo-tags{display:flex;flex-wrap:wrap;gap:.5rem;margin-top:.5rem}.tag-enhanced{display:inline-flex;align-items:center;padding:.25rem .75rem;background-color:#0091ff1a;color:#0091ff;border-radius:12px;font-size:.85rem;text-decoration:none;transition:all .2s ease;border:1px solid rgba(0,145,255,.2)}.tag-enhanced:hover{background-color:#0091ff;color:#fff;transform:translateY(-1px);box-shadow:0 2px 4px #0091ff4d}.tag-enhanced:before{content:"#";opacity:.7;margin-right:.25rem}html.dark-mode .tag-enhanced{background-color:#0091ff26;color:#4db8ff;border-color:#0091ff4d}html.dark-mode .tag-enhanced:hover{background-color:#0091ff;color:#fff}.option-section .photo-tags{padding:.5rem 0}html.dark-mode .photo-caption.is-visible,html:not(.dark-mode) .photo-caption.is-visible{position:fixed;bottom:76px;right:20px;max-width:min(380px,calc(100vw - 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