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infinite}@keyframes filterBtnPulse{0%,to{box-shadow:0 4px 16px #ff444480,0 0 0 2px #ff44444d}50%{box-shadow:0 6px 24px #ff4444b3,0 0 0 3px #ff444480}}.must-visit-filter-btn span:first-child{font-size:clamp(1rem,1.2vw,1.2rem);display:inline-block;animation:starRotate 3s linear infinite}@keyframes starRotate{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.artifacts-masonry{display:flex;margin-left:-20px;width:auto}.artifacts-masonry-column{padding-left:20px;background-clip:padding-box}.artifact-card{background:var(--bg-light);border-radius:16px;overflow:hidden;cursor:pointer;transition:all .4s cubic-bezier(.4,0,.2,1);border:1px solid var(--border-color);position:relative;margin-bottom:20px;transform-style:preserve-3d;perspective:1000px}.artifact-card:before{content:"";position:absolute;inset:0;background:linear-gradient(135deg,transparent 0%,rgba(201,169,97,.1) 100%);opacity:0;transition:opacity .4s;z-index:1;pointer-events:none}.artifact-card:hover:before{opacity:1}.artifact-card:hover{border-color:var(--primary-color);box-shadow:var(--shadow-hover)}.artifact-card-image-wrapper{position:relative;width:100%;overflow:hidden}.artifact-card-image{width:100%;height:auto;display:block;transition:transform .6s cubic-bezier(.4,0,.2,1);background:var(--bg-dark)}.artifact-card:hover .artifact-card-image{transform:scale(1.1)}.artifact-card-category{position:absolute;top:15px;right:15px;padding:6px 12px;background:#c9a961e6;color:var(--bg-dark);font-size:.75rem;font-weight:600;border-radius:15px;z-index:2;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.artifact-card-content{padding:20px;position:relative;z-index:2}.artifact-card-name{font-size:1.1rem;font-weight:600;color:var(--text-primary);margin-bottom:8px;line-height:1.4}.artifact-card-period{font-size:.9rem;color:var(--primary-color);margin-bottom:5px}.artifact-card-museum{font-size:.85rem;color:var(--text-muted)}.artifact-card.must-visit-card{border:2px solid rgba(255,68,68,.6)!important;box-shadow:0 4px 20px #ff44444d,0 0 0 1px #f443!important;background:linear-gradient(135deg,var(--bg-light) 0%,rgba(255,68,68,.05) 100%);position:relative;overflow:hidden!important}.artifact-card.must-visit-card:before{background:linear-gradient(135deg,#ff44441a,#ff6b6b1a)}.artifact-card.must-visit-card:hover{border-color:#ff4444e6!important;box-shadow:0 8px 30px #ff444480,0 0 0 2px #ff44444d!important;transform:translateY(-8px) scale(1.02)}.artifact-card-must-visit-badge{position:absolute;top:15px;left:15px;z-index:3;animation:cardBadgePulse 2s ease-in-out infinite;background:none!important;border:none!important;box-shadow:none!important;padding:0!important;margin:0!important}.must-visit-badge-text{display:inline-flex;align-items:center;gap:6px;padding:clamp(6px,.8vw,8px) clamp(10px,1.2vw,14px);background:linear-gradient(135deg,#ff4444f2,#ff6b6bf2)!important;border:2px solid #fff!important;border-radius:clamp(15px,2vw,20px)!important;box-shadow:0 4px 12px #ff444480!important;font-size:clamp(.7rem,.9vw,.85rem);font-weight:700;color:#fff;letter-spacing:.5px;background-color:transparent;background-image:linear-gradient(135deg,#ff4444f2,#ff6b6bf2)}@keyframes cardBadgePulse{0%,to{box-shadow:0 4px 12px #ff444480;transform:scale(1)}50%{box-shadow:0 6px 20px #f44c;transform:scale(1.05)}}.artifact-card-must-visit-info{margin-top:12px;display:flex;align-items:center}.must-visit-info-text{display:inline-flex;align-items:center;gap:6px;padding:clamp(5px,.7vw,7px) clamp(10px,1.3vw,14px);background:linear-gradient(135deg,#f443,#ff6b6b33);border:1px solid rgba(255,107,107,.6);border-radius:clamp(12px,1.8vw,15px);font-size:clamp(.75rem,1vw,.85rem);font-weight:600;color:#ff6b6b;animation:infoBadgeShine 2s ease-in-out infinite}@keyframes infoBadgeShine{0%,to{box-shadow:0 0 clamp(6px,1vw,8px) #ff6b6b4d}50%{box-shadow:0 0 clamp(10px,1.5vw,16px) #ff6b6b99}}.artifact-must-visit-info-modal{margin-bottom:15px}.must-visit-info-badge-modal{display:inline-flex;align-items:center;gap:8px;padding:clamp(7px,1vw,9px) clamp(14px,1.8vw,18px);background:linear-gradient(135deg,#ff444440,#ff6b6b40);border:2px solid rgba(255,107,107,.7);border-radius:clamp(18px,2.5vw,22px);font-size:clamp(.85rem,1.1vw,.95rem);font-weight:700;color:#ff6b6b;letter-spacing:1px;animation:modalBadgeShine 2s ease-in-out infinite}.must-visit-info-badge-modal-text{font-size:clamp(.85rem,1.1vw,.95rem)!important;font-weight:700!important;color:#ff6b6b!important;padding:clamp(7px,1vw,9px) clamp(14px,1.8vw,18px)!important;background:linear-gradient(135deg,#ff444440,#ff6b6b40)!important;border:2px solid rgba(255,107,107,.7)!important;border-radius:clamp(18px,2.5vw,22px)!important;display:inline-flex;align-items:center;gap:clamp(6px,.8vw,8px);animation:modalBadgeShine 2s ease-in-out infinite}@keyframes modalBadgeShine{0%,to{box-shadow:0 0 clamp(8px,1.2vw,10px) #ff6b6b66;transform:scale(1)}50%{box-shadow:0 0 clamp(15px,2vw,20px) #ff6b6bb3;transform:scale(1.02)}}.modal{display:flex;position:fixed;top:0;left:0;width:100%;height:100%;z-index:1000;align-items:center;justify-content:center}.modal-overlay{position:absolute;top:0;left:0;width:100%;height:100%;background:#000000e6;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.modal-content{position:relative;max-width:1200px;width:90%;max-height:90vh;background:var(--bg-light);border-radius:20px;overflow:hidden;box-shadow:var(--shadow);z-index:1001;display:flex;flex-direction:column}.modal-close{position:absolute;top:20px;right:20px;width:40px;height:40px;border:none;background:#0009;color:var(--text-primary);font-size:2rem;border-radius:50%;cursor:pointer;z-index:1002;display:flex;align-items:center;justify-content:center;transition:all .3s;line-height:1}.modal-close:hover{background:#c9a961cc;transform:rotate(90deg)}.modal-body{display:flex;flex-direction:column;overflow-y:auto;max-height:90vh}.media-container{width:100%;height:60vh;min-height:500px;background:var(--bg-dark);display:flex;align-items:center;justify-content:center;position:relative;overflow:hidden}.modal-image,.modal-video{max-width:100%;max-height:100%;width:auto;height:auto;object-fit:contain}.modal-content.theater-mode{background:#000;max-width:100vw;width:100vw;height:100vh;max-height:100vh;border-radius:0}.modal-content.theater-mode .modal-body{height:100vh;max-height:100vh}.modal-content.theater-mode .media-container{height:100vh;min-height:100vh;background:#000}.modal-content.theater-mode .artifact-info,.modal-content.theater-mode .audio-player,.modal-content.theater-mode .filter-controls,.modal-content.theater-mode .artifact-buttons-container{display:none!important}.modal-content.theater-mode .modal-close{background:#fff3;border:1px solid rgba(255,255,255,.3);top:20px;right:20px}.modal-content.theater-mode .media-container .modal-video{width:100vw;height:100vh;object-fit:contain}.play-video-btn-modal-info{display:inline-flex;align-items:center;justify-content:center;gap:0;padding:clamp(16px,2vw,20px) clamp(32px,4vw,40px);background:linear-gradient(135deg,var(--primary-color) 0%,var(--primary-light) 100%);border:none;border-radius:clamp(25px,3.5vw,30px);color:var(--bg-dark);font-size:clamp(1rem,1.5vw,1.2rem);font-weight:600;cursor:pointer;transition:all .3s;box-shadow:0 4px 16px #c9a96166;width:auto;min-width:clamp(120px,15vw,160px);flex-shrink:0;align-self:flex-start}.play-video-btn-modal-info:hover:not(.disabled){transform:translateY(-2px);box-shadow:0 6px 24px #c9a96199}.play-video-btn-modal-info.disabled{background:linear-gradient(135deg,#666,#888)!important;color:#ccc!important;cursor:not-allowed!important;opacity:.6;box-shadow:0 2px 8px #0003!important}.play-video-btn-modal-info.disabled:hover{transform:none!important;box-shadow:0 2px 8px #0003!important}.play-video-btn-modal-info.disabled .interact-btn-text{color:#ccc!important}.play-video-btn-modal-info svg{display:none}.interact-btn-text{font-size:clamp(1rem,1.5vw,1.2rem)!important;font-weight:600!important;color:var(--bg-dark)!important;white-space:nowrap}.modal-video{width:100%;height:100%;object-fit:contain;background:#000;pointer-events:none}#modalImage{max-width:100%;max-height:100%;object-fit:contain;display:block}.modal-video{width:100%;height:100%;object-fit:contain;background:#000}.audio-player{padding:25px 30px;background:var(--bg-dark);border-top:1px solid var(--border-color);border-bottom:1px solid var(--border-color)}.audio-info{display:flex;justify-content:space-between;align-items:center;margin-bottom:15px}.audio-title{font-size:1rem;color:var(--primary-color);font-weight:600}.audio-duration{font-size:.9rem;color:var(--text-muted)}.audio-controls{display:flex;align-items:center;gap:15px}.audio-btn{width:45px;height:45px;border:none;background:var(--primary-color);color:var(--bg-dark);border-radius:50%;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:all .3s;flex-shrink:0}.audio-btn svg{width:20px;height:20px}.audio-btn:hover{background:var(--primary-light);transform:scale(1.1)}.audio-btn.playing svg{animation:pulse 1.5s infinite}@keyframes pulse{0%,to{transform:scale(1)}50%{transform:scale(1.1)}}.audio-progress{flex:1;position:relative;height:6px;background:var(--border-color);border-radius:3px;overflow:hidden}.audio-progress-bar{height:100%;background:var(--primary-color);width:0%;transition:width .1s;border-radius:3px}.audio-seeker{position:absolute;top:0;left:0;width:100%;height:100%;opacity:0;cursor:pointer;z-index:1}.audio-volume{width:40px;height:40px}.audio-volume-slider{width:80px;height:4px;-webkit-appearance:none;appearance:none;background:var(--border-color);border-radius:2px;outline:none}.audio-volume-slider::-webkit-slider-thumb{-webkit-appearance:none;appearance:none;width:14px;height:14px;background:var(--primary-color);border-radius:50%;cursor:pointer}.audio-volume-slider::-moz-range-thumb{width:14px;height:14px;background:var(--primary-color);border-radius:50%;cursor:pointer;border:none}.artifact-info{padding:30px}.artifact-info-header{display:flex;align-items:flex-start;gap:30px}.artifact-info-content{flex:1}.artifact-buttons-container{display:flex;flex-direction:column;gap:10px;align-items:flex-start;width:auto}.artifact-buttons-container .play-video-btn-modal-info{width:160px;min-width:160px;max-width:160px}.artifact-name{font-size:1.8rem;font-weight:700;color:var(--text-primary);margin-bottom:15px;line-height:1.3}.artifact-description{font-size:1rem;color:var(--text-secondary);line-height:1.8;margin-bottom:20px}.artifact-meta{display:flex;gap:20px;flex-wrap:wrap}.meta-item{padding:8px 16px;background:#c9a9611a;border:1px solid var(--primary-color);border-radius:20px;font-size:.9rem;color:var(--primary-color)}.meta-category{background:#c9a96133;font-weight:600}.loading{position:fixed;top:0;left:0;width:100%;height:100%;background:var(--bg-dark);display:flex;flex-direction:column;align-items:center;justify-content:center;z-index:2000;transition:opacity .5s,visibility .5s}.loading.hidden{opacity:0;visibility:hidden}.loading-spinner{width:50px;height:50px;border:4px solid var(--border-color);border-top-color:var(--primary-color);border-radius:50%;animation:spin 1s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.loading p{margin-top:20px;color:var(--text-muted)}.no-results{text-align:center;padding:60px 20px;color:var(--text-muted);font-size:1.1rem}.view-mode-switcher{position:fixed!important;top:20px!important;right:20px!important;left:auto!important;z-index:1000;display:flex;gap:10px;background:transparent!important;-webkit-backdrop-filter:none!important;backdrop-filter:none!important;padding:8px;border-radius:25px;border:none!important;flex-wrap:wrap;width:auto!important}@media(max-width:768px){.view-mode-switcher{position:fixed!important;top:0!important;left:0!important;right:0!important;z-index:1000!important;margin:0!important;padding:6px 10px!important;width:100%!important;background:transparent!important;-webkit-backdrop-filter:none!important;backdrop-filter:none!important;box-sizing:border-box!important;display:flex!important;justify-content:center!important;align-items:center!important;border:none!important;border-radius:0!important}}.mode-btn{padding:10px 20px;background:transparent;border:none;color:var(--text-secondary);font-size:.95rem;cursor:pointer;border-radius:18px;transition:all .3s;font-weight:500}.mode-btn:hover{color:var(--primary-color);background:#c9a9611a}.mode-btn.active{background:var(--primary-color);color:var(--bg-dark);font-weight:600}.main-content.scene-3d-mode,.main-content.exhibition-2d-mode,.main-content.co-creation-mode{padding:0;height:100vh;overflow:hidden}@media(max-width:768px){.main-content{padding-top:60px!important}.main-content.exhibition-2d-mode,.main-content.co-creation-mode{height:auto!important;min-height:100vh!important;margin-top:0!important;padding-top:0!important;padding-bottom:0!important;overflow-y:auto!important;overflow-x:hidden!important}}.exhibition-2d-mode .header{display:none!important}@media(max-width:768px){.exhibition-2d-mode .header{display:block!important;padding:4px 0 8px!important;margin:0!important;height:auto!important}.exhibition-2d-mode .header .container{padding:0 10px!important}.exhibition-2d-mode .title{margin-bottom:2px!important}.exhibition-2d-mode .title-main{font-size:1.8rem!important;margin-bottom:1px!important;letter-spacing:2px!important}.exhibition-2d-mode .title-sub{font-size:.85rem!important;margin-bottom:1px!important;letter-spacing:2px!important}.exhibition-2d-mode .subtitle{font-size:.75rem!important;margin-top:1px!important;margin-bottom:4px!important}.exhibition-2d-mode~*{margin-top:0!important}.app:not(:has(.exhibition-2d-mode)):not(:has(.scene-3d-mode)):not(:has(.co-creation-mode)) .header{margin-top:0!important;padding-top:80px!important}}.mixed-view{display:grid;grid-template-columns:1fr 1fr;height:100vh}.view-2d-section{overflow-y:auto;padding:20px}.view-3d-section{position:relative}@media(max-width:1024px){.mixed-view{grid-template-columns:1fr;grid-template-rows:1fr 1fr}.view-mode-switcher{top:20px!important;right:20px!important;left:auto!important}.mode-btn{padding:8px 16px;font-size:.85rem}}@media(max-width:768px){.header{padding:80px 0 15px!important}.exhibition-2d-mode .header{display:block!important;padding:4px 0 8px!important}.exhibition-2d-mode .header .container{padding:0 10px!important}.exhibition-2d-mode .title{margin-bottom:2px!important}.exhibition-2d-mode .title-main{font-size:1.8rem!important;margin-bottom:1px!important;letter-spacing:2px!important}.exhibition-2d-mode .title-sub{font-size:.85rem!important;margin-bottom:1px!important;letter-spacing:2px!important}.exhibition-2d-mode .subtitle{font-size:.75rem!important;margin-top:1px!important;margin-bottom:4px!important}.title-main{font-size:2.5rem;letter-spacing:4px;margin-bottom:5px!important}.title-sub{font-size:1rem;margin-bottom:3px!important}.subtitle{margin-top:3px!important;margin-bottom:0!important}.filter-controls{position:relative;top:auto;padding:10px 0!important;margin-top:-50px!important;margin-bottom:15px!important}.artifacts-masonry{margin-top:20px!important;padding-top:10px!important}.artifact-card-must-visit-badge{top:clamp(8px,1.5vw,12px)!important;left:clamp(8px,1.5vw,12px)!important;display:flex!important;align-items:center!important}.must-visit-badge-text{padding:clamp(4px,.6vw,6px) clamp(8px,1vw,10px)!important;font-size:clamp(.55rem,.75vw,.7rem)!important;border-radius:clamp(10px,1.5vw,15px)!important;gap:clamp(3px,.5vw,4px)!important;line-height:1.2!important;display:inline-flex!important;align-items:center!important}.artifact-card-category{top:clamp(8px,1.5vw,12px)!important;right:clamp(8px,1.5vw,12px)!important;padding:clamp(4px,.6vw,6px) clamp(8px,1vw,10px)!important;font-size:clamp(.55rem,.75vw,.7rem)!important;border-radius:clamp(10px,1.5vw,15px)!important;line-height:1.2!important;display:flex!important;align-items:center!important;height:fit-content!important}.category-filter{padding:0}.category-filter-container{gap:10px}.category-btn{padding:8px 16px;font-size:.9rem}.modal-content{width:95%;max-height:95vh}.media-container{height:40vh;min-height:300px}.artifact-info{padding:20px}.artifact-info-header{flex-direction:column;gap:20px;align-items:center!important}.artifact-info-content{width:100%!important;text-align:center!important}.artifact-buttons-container{display:flex!important;flex-direction:column!important;align-items:center!important;width:100%!important;gap:10px!important;margin:0 auto!important}.artifact-buttons-container .play-video-btn-modal-info{width:140px!important;min-width:140px!important;max-width:140px!important;margin:0 auto!important}.artifact-name{font-size:1.4rem}.audio-controls{flex-wrap:wrap}.audio-volume-slider{width:60px}}@media(max-width:480px){.artifacts-masonry{margin-left:-8px}.artifacts-masonry-column{padding-left:8px}.artifact-card{margin-bottom:15px}.artifact-card-image{max-width:100%;height:auto}.artifact-card-must-visit-badge{top:clamp(6px,1.2vw,10px)!important;left:clamp(6px,1.2vw,10px)!important;display:flex!important;align-items:center!important}.must-visit-badge-text{padding:clamp(3px,.5vw,5px) clamp(6px,.8vw,8px)!important;font-size:clamp(.5rem,.7vw,.65rem)!important;border-radius:clamp(8px,1.2vw,12px)!important;gap:clamp(2px,.4vw,3px)!important;line-height:1.2!important;display:inline-flex!important;align-items:center!important}.artifact-card-category{top:clamp(6px,1.2vw,10px)!important;right:clamp(6px,1.2vw,10px)!important;padding:clamp(3px,.5vw,5px) clamp(6px,.8vw,8px)!important;font-size:clamp(.5rem,.7vw,.65rem)!important;border-radius:clamp(8px,1.2vw,12px)!important;line-height:1.2!important;display:flex!important;align-items:center!important;height:fit-content!important}.modal-content{width:98%;max-height:98vh;border-radius:15px}.media-container{height:35vh;min-height:250px}.artifact-info{padding:15px}.artifact-info-header{flex-direction:column;gap:15px;align-items:center!important}.artifact-info-content{width:100%!important;text-align:center!important}.artifact-buttons-container{display:flex!important;flex-direction:column!important;align-items:center!important;width:100%!important;gap:10px!important;margin:0 auto!important}.artifact-buttons-container .play-video-btn-modal-info{width:120px!important;min-width:120px!important;max-width:120px!important;margin:0 auto!important}.artifact-name{font-size:1.2rem}.artifact-description{font-size:.9rem}.artifact-meta{gap:10px}.meta-item{padding:6px 12px;font-size:.8rem}.play-video-btn-modal-info{padding:clamp(14px,2.5vw,18px) clamp(28px,5vw,36px);font-size:clamp(.9rem,1.8vw,1.1rem);min-width:clamp(100px,20vw,140px)}.interact-btn-text{font-size:clamp(.9rem,1.8vw,1.1rem)!important}.modal-close{width:35px;height:35px;top:10px;right:10px;font-size:1.5rem}}