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input[type=checkbox]:hover+.checkbox-custom{border-color:var(--text-primary)}.checkbox-text{font-family:var(--font-sans);font-size:.9rem;color:var(--text-primary);font-weight:500}.checkbox-description{display:block;margin-top:4px;margin-left:32px;font-family:var(--font-sans);font-size:.75rem;color:var(--text-secondary)}.submit-btn[style*="background:#666"]{background:#666!important}.submit-btn[style*="background:#666"]:hover{background:#555!important;opacity:1}.tab-content a{color:var(--text-primary);text-decoration:underline;transition:opacity .3s}.tab-content a:hover{opacity:.7}.exhibitions-section{padding:8rem 0 4rem}.exhibitions-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(340px,1fr));gap:3rem;padding:2rem 4rem 4rem;max-width:1400px;margin:0 auto}.exhibition-card{background:var(--bg-primary);border-radius:12px;overflow:hidden;transition:transform .3s ease,box-shadow .3s ease;cursor:pointer;opacity:0;transform:translateY(30px);transition:opacity .8s ease,transform .8s ease}.exhibition-card.visible{opacity:1;transform:translateY(0)}.exhibition-card:hover{transform:translateY(-8px);box-shadow:0 12px 40px #00000026}.exhibition-card-image{width:100%;height:200px;object-fit:cover;background:var(--bg-secondary)}.exhibition-card-content{padding:1.5rem}.exhibition-card-title{font-family:var(--font-serif);font-size:1.4rem;margin-bottom:.75rem;color:var(--text-primary)}.exhibition-card-desc{font-size:.95rem;color:var(--text-secondary);line-height:1.6;margin-bottom:1rem;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}.exhibition-card-meta{display:flex;justify-content:space-between;align-items:center;font-size:.85rem;color:var(--text-secondary)}.exhibition-card-count{background:var(--bg-secondary);padding:.25rem .75rem;border-radius:20px}.exhibition-card-actions{display:flex;gap:1rem;margin-top:1rem;padding-top:1rem;border-top:1px solid var(--bg-secondary)}.exhibition-card-actions button{padding:.5rem 1rem;border:1px solid var(--text-primary);background:var(--bg-primary);color:var(--text-primary);border-radius:8px;cursor:pointer;transition:all .2s ease}.exhibition-card-actions button:hover{background:var(--text-primary);color:var(--bg-primary)}.exhibition-header{display:flex;justify-content:space-between;align-items:center;padding:2rem 4rem;background:var(--bg-secondary);margin-bottom:2rem;margin-top:0}.back-btn{background:var(--bg-primary);border:1px solid var(--text-primary);color:var(--text-primary);padding:.75rem 2rem;border-radius:8px;cursor:pointer;font-size:1rem;font-weight:500;transition:all .2s ease}.back-btn:hover{background:var(--text-primary);color:var(--bg-primary)}.exhibition-curator{font-size:1rem;color:var(--text-secondary);margin-top:1rem}#exhibition-artworks-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:1.5rem;padding:2rem 4rem 4rem}.gallery-item{opacity:0;transform:translateY(30px);transition:opacity .8s ease,transform .8s ease;cursor:pointer}.gallery-item.visible{opacity:1;transform:translateY(0)}.gallery-item img{width:100%;aspect-ratio:1;object-fit:contain;background-color:var(--bg-secondary);border-radius:8px;transition:transform .7s cubic-bezier(.2,1,.3,1);filter:grayscale(10%)}.gallery-item:hover img{transform:scale(1.05);filter:grayscale(0%)}.gallery-item-overlay{padding-top:.75rem;text-align:center}.gallery-item-overlay h4{font-family:var(--font-sans);font-size:.9rem;font-weight:500;letter-spacing:.03em;color:var(--text-primary);margin:0 0 .25rem;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.gallery-item-overlay p{font-family:var(--font-sans);font-size:.75rem;font-weight:300;color:var(--text-secondary);opacity:.7;margin:0;white-space:nowrap}#exhibition-detail-view .section-header{margin-bottom:3rem;text-align:center;padding:2rem 2rem 0}#exhibition-detail-view .section-title{font-size:2.5rem;margin-bottom:1.5rem}#exhibition-detail-view .section-desc{font-size:1.1rem;color:var(--text-secondary);max-width:800px;margin:0 auto}.my-works-section{padding:10rem 0 4rem}.my-works-tabs{display:flex;gap:2rem;padding:2rem 4rem;border-bottom:1px solid var(--bg-secondary);margin-bottom:4rem}.my-works-tabs .tab-btn{background:transparent;border:none;padding:.75rem 1.5rem;font-size:.95rem;color:var(--text-secondary);cursor:pointer;border-bottom:2px solid transparent;transition:all .2s ease}.my-works-tabs .tab-btn.active{color:var(--text-primary);border-bottom-color:var(--text-primary)}.my-works-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:2rem;padding:2rem 4rem 4rem;max-width:1400px;margin:0 auto}.my-work-item{position:relative;background:var(--bg-primary);border-radius:12px;overflow:hidden;transition:transform .3s ease}.my-work-item:hover{transform:scale(1.02)}.my-work-image{width:100%;height:200px;object-fit:cover}.my-work-info{padding:1rem}.my-work-title{font-family:var(--font-serif);font-size:1.1rem;margin-bottom:.5rem}.my-work-type{font-size:.8rem;color:var(--text-secondary);text-transform:uppercase;letter-spacing:.5px}.my-work-prompt{font-family:var(--font-sans);font-size:.75rem;font-weight:300;line-height:1.5;color:var(--text-secondary);opacity:.5;margin:.5rem 0 .75rem;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.my-work-actions{display:flex;gap:.5rem;margin-top:1rem}.my-work-actions button{flex:1;padding:.5rem;border:1px solid var(--bg-secondary);background:transparent;border-radius:6px;cursor:pointer;font-size:.85rem;transition:all .2s ease}.my-work-actions button:hover{background:var(--bg-secondary)}.my-work-actions button.active{background:var(--text-primary);color:var(--bg-primary);border-color:var(--text-primary)}.profile-modal-compact{position:fixed;top:0;left:0;width:100%;height:100%;background:#00000080;display:none;justify-content:center;align-items:center;z-index:1000}.profile-modal-compact.active{display:flex}.profile-compact-container{background:var(--bg-primary);border-radius:16px;padding:2rem;width:100%;max-width:420px;box-shadow:0 20px 60px #0000004d}.profile-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:1.5rem}.profile-header h3{font-family:var(--font-serif);font-size:1.5rem;margin:0}.close-profile-btn{background:transparent;border:none;font-size:2rem;cursor:pointer;color:var(--text-secondary);line-height:1;padding:0;width:32px;height:32px;display:flex;align-items:center;justify-content:center}.close-profile-btn:hover{color:var(--text-primary)}.profile-compact-info{background:var(--bg-secondary);border-radius:8px;padding:1.25rem;margin-bottom:1.5rem}.profile-row{display:flex;justify-content:space-between;padding:.5rem 0;font-size:.95rem}.profile-row:not(:last-child){border-bottom:1px solid rgba(0,0,0,.05)}.profile-label{color:var(--text-secondary);font-weight:500}.profile-value{color:var(--text-primary);font-weight:400}.profile-actions{display:flex;gap:1rem}.profile-actions .action-btn{flex:1;padding:.75rem;border:1px solid var(--bg-secondary);background:var(--bg-secondary);border-radius:8px;cursor:pointer;font-size:.95rem;transition:all .2s ease}.profile-actions .action-btn:hover{background:#e0e0e0}.profile-actions .action-btn.logout-btn{background:#666;color:#fff;border-color:#666}.profile-actions .action-btn.logout-btn:hover{background:#555}.edit-panel{margin-top:1.5rem;animation:slideDown .3s ease}@keyframes slideDown{0%{opacity:0;transform:translateY(-10px)}to{opacity:1;transform:translateY(0)}}.edit-panel.hidden{display:none}.divider{border:none;border-top:1px solid var(--bg-secondary);margin:1.5rem 0 1rem}.panel-title{font-size:.95rem;font-weight:600;margin-bottom:1rem;color:var(--text-primary)}.form-group.compact{margin-bottom:.75rem}.form-group.compact .form-input{padding:.6rem .8rem;font-size:.9rem}.form-group.compact{display:flex;gap:.5rem}.form-group.compact .form-input{flex:1}.btn-sm{padding:.6rem 1rem;background:var(--text-primary);color:var(--bg-primary);border:none;border-radius:6px;cursor:pointer;font-size:.85rem;white-space:nowrap;transition:background .2s ease}.btn-sm:hover{background:#333}.artwork-selector-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(140px,1fr));gap:1rem;max-height:400px;overflow-y:auto;padding:1rem;background:var(--bg-secondary);border-radius:8px;margin-bottom:.75rem}.artwork-selector-item{position:relative;cursor:pointer;border-radius:8px;overflow:hidden;border:3px solid transparent;transition:all .2s ease;background:var(--bg-primary)}.artwork-selector-item.selected{border-color:var(--text-primary);box-shadow:0 0 0 2px #6366f14d}.artwork-selector-item:hover{border-color:var(--bg-secondary);transform:translateY(-2px)}.artwork-selector-item img{width:100%;height:100px;object-fit:cover;display:block}.artwork-selector-item .artwork-title-overlay{position:absolute;bottom:0;left:0;right:0;background:#000000b3;color:#fff;font-size:.75rem;padding:.25rem .5rem;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.artwork-selector-item.selected:after{content:"✓";position:absolute;top:.25rem;right:.25rem;width:24px;height:24px;background:var(--text-primary);color:var(--bg-primary);border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:.9rem;font-weight:700}.selected-count{font-size:.9rem;color:var(--text-secondary);text-align:right;padding:.5rem}.class-checkboxes{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:.75rem;padding:.5rem}.exhibition-card-actions{display:flex;gap:.5rem;margin-top:1rem;padding-top:1rem;border-top:1px solid var(--bg-secondary)}.exhibition-card-actions button{flex:1;padding:.5rem;border:none;border-radius:6px;cursor:pointer;font-size:.85rem;transition:all .2s ease}.exhibition-card-actions .edit-btn{background:var(--bg-secondary);color:var(--text-primary)}.exhibition-card-actions .edit-btn:hover{background:var(--text-primary);color:var(--bg-primary)}.exhibition-card-actions .delete-btn{background:#ffffffe6;border:1px solid rgba(0,0,0,.1);border-radius:50%;width:32px;height:32px;display:flex;align-items:center;justify-content:center;cursor:pointer;font-size:.9rem;opacity:.7;transition:all .3s ease;box-shadow:0 2px 8px #00000026}.exhibition-card-actions .delete-btn:hover{background:#fffffff2;border-color:#0003;opacity:1;transform:scale(1.05);box-shadow:0 4px 12px #0003}#exhibition-delete-modal .modal-body p{margin-bottom:1.5rem;font-size:1rem;color:var(--text-primary)}#exhibition-delete-modal .btn-danger{background:#dc3545;color:#fff;border:none}#exhibition-delete-modal .btn-danger:hover{background:#c82333}.form-hint{font-size:.85rem;color:var(--text-secondary);margin-bottom:.75rem;display:block}.checkbox-item{display:flex;align-items:center;gap:.5rem}.checkbox-item input[type=checkbox]{width:16px;height:16px;cursor:pointer}.checkbox-item label{cursor:pointer;margin:0;font-weight:400}.class-card{background:var(--bg-primary);border:1px solid var(--bg-secondary);border-radius:12px;padding:1.5rem;margin-bottom:1.5rem;box-shadow:0 4px 12px #0000000d}.class-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:1rem;padding-bottom:1rem;border-bottom:1px solid var(--bg-secondary)}.class-header h3{margin:0;font-size:1.3rem;font-family:var(--font-serif)}.class-grade{background:var(--bg-secondary);padding:.25rem .75rem;border-radius:20px;font-size:.9rem;color:var(--text-primary)}.class-details{margin-bottom:1.5rem}.class-details p{margin:.5rem 0;color:var(--text-secondary);font-size:.95rem}.class-actions{display:flex;gap:.75rem;flex-wrap:wrap}.modal-overlay{position:fixed;top:0;left:0;width:100%;height:100%;background:#000000b3;display:flex;align-items:center;justify-content:center;z-index:1000;opacity:0;visibility:hidden;transition:all .3s ease}.modal-overlay.active{opacity:1;visibility:visible;pointer-events:auto}.modal-overlay.active .modal-content,.modal-overlay.active .modal-content *{pointer-events:auto}.modal-content{background:var(--bg-primary);border-radius:12px;width:100%;max-width:600px;max-height:90vh;overflow-y:auto;transform:translateY(-20px);transition:transform .3s ease}.modal-content.large-modal{max-width:800px}.modal-overlay.active .modal-content{transform:translateY(0)}.modal-header{display:flex;justify-content:space-between;align-items:center;padding:1.5rem 2rem;border-bottom:1px solid var(--bg-secondary)}.modal-header h2{margin:0;font-size:1.5rem;font-family:var(--font-serif)}.close-modal-btn{background:none;border:none;font-size:1.5rem;cursor:pointer;color:var(--text-secondary);padding:0;width:36px;height:36px;display:flex;align-items:center;justify-content:center;border-radius:50%;transition:background .2s ease}.close-modal-btn:hover{background:var(--bg-secondary)}.modal-body{padding:2rem}.form-group{margin-bottom:1.5rem}.form-group label{display:block;margin-bottom:.5rem;font-weight:500;color:var(--text-primary)}.form-group input,.form-group textarea,.form-group select{width:100%;padding:.75rem;border:1px solid var(--bg-secondary);border-radius:8px;background:var(--bg-secondary);font-size:1rem;color:var(--text-primary)}.form-group input:focus,.form-group textarea:focus,.form-group select:focus{outline:none;border-color:var(--text-primary);box-shadow:0 0 0 2px #0000001a}.form-actions{display:flex;gap:1rem;justify-content:flex-end;margin-top:2rem}.checkbox-item{display:flex;align-items:center;margin-bottom:.75rem}.checkbox-item input[type=checkbox]{margin-right:.5rem;width:16px;height:16px}.student-item{display:flex;justify-content:space-between;align-items:center;padding:1rem;border:1px solid var(--bg-secondary);border-radius:8px;margin-bottom:.75rem}.student-info h4{margin:0 0 .25rem;font-size:1.1rem}.student-info p{margin:0;color:var(--text-secondary);font-size:.9rem}@media(max-width:768px){.exhibitions-grid{grid-template-columns:1fr}.my-works-tabs{flex-wrap:wrap}.profile-compact-container{margin:1rem}.modal-content{margin:1rem;width:calc(100% - 2rem)}.class-header{flex-direction:column;align-items:flex-start;gap:.5rem}.class-actions{flex-direction:column}.student-item{flex-direction:column;align-items:flex-start;gap:.75rem}.student-actions{align-self:flex-end}}.image-container-relative{position:relative;display:inline-block;width:100%}.remove-work-btn{position:absolute;top:10px;right:10px;width:28px;height:28px;border-radius:50%;background:#ffffffe6;border:1px solid rgba(0,0,0,.1);display:flex;align-items:center;justify-content:center;cursor:pointer;font-size:14px;opacity:.7;transition:all .2s ease;z-index:10;box-shadow:0 2px 8px #00000026}.my-work-item:hover .remove-work-btn{opacity:1}.remove-work-btn:hover{opacity:1!important;background:#fffffff2;border-color:#0003;transform:scale(1.05);box-shadow:0 4px 12px #0003}.modal-overlay.active .close-modal-btn,.modal-overlay.active .cancel-edit-btn,.modal-overlay.active .cancel-delete-btn,.modal-overlay.active .confirm-delete-btn,.modal-overlay.active .btn{pointer-events:auto!important}.class-card-actions{display:flex;gap:.5rem;margin-top:1rem}.class-card-actions .delete-class-btn{background:#ffffffe6;border:1px solid rgba(0,0,0,.1);border-radius:50%;width:32px;height:32px;display:flex;align-items:center;justify-content:center;cursor:pointer;font-size:.9rem;opacity:.7;transition:all .3s ease;box-shadow:0 2px 8px #00000026}.class-card-actions .delete-class-btn:hover{background:#fffffff2;border-color:#0003;opacity:1;transform:scale(1.05);box-shadow:0 4px 12px #0003}.modal-overlay.active .modal-body,.modal-overlay.active .modal-header,.modal-overlay.active .form-actions{pointer-events:auto!important;z-index:1001;position:relative}