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.2s}.leave-modal-cancel:hover:not(:disabled){background:#ffffff26;border-color:#ffffff4d}.leave-modal-cancel:disabled{opacity:.5;cursor:not-allowed}.leave-modal-confirm{background:linear-gradient(135deg,#ef4444,#dc2626);border:none;color:#fff;padding:.75rem 1.5rem;border-radius:8px;font-weight:600;cursor:pointer;transition:all .2s;box-shadow:0 4px 12px #ef44444d}.leave-modal-confirm:hover:not(:disabled){transform:translateY(-1px);box-shadow:0 6px 16px #ef444466}.leave-modal-confirm:disabled{opacity:.6;cursor:not-allowed}.btn-spinner{display:inline-block;width:12px;height:12px;border:2px solid rgba(255,255,255,.3);border-top-color:#fff;border-radius:50%;animation:spinner-rotate .6s linear infinite;margin-right:.5rem}@keyframes spinner-rotate{to{transform:rotate(360deg)}}.group-skeleton-card{background:#ffffff0d;border-radius:16px;padding:1.5rem;border:1px solid rgba(255,255,255,.1)}.skeleton-header{height:32px;background:linear-gradient(90deg,#ffffff0d 25%,#ffffff1a,#ffffff0d 75%);background-size:200% 100%;animation:skeleton-loading 1.5s ease-in-out infinite;border-radius:8px;margin-bottom:1.5rem}.skeleton-items{display:flex;flex-direction:column;gap:1rem}.skeleton-group-item{height:80px;background:linear-gradient(90deg,#ffffff08 25%,#ffffff14,#ffffff08 75%);background-size:200% 100%;animation:skeleton-loading 1.5s ease-in-out infinite;border-radius:12px}.create-group-form{padding:1.5rem}.create-group-error{background:#ef44441a;border:1px solid rgba(239,68,68,.3);color:#f87171;padding:.75rem 1rem;border-radius:8px;font-size:.875rem;margin-bottom:1.5rem}.create-group-input,.create-group-textarea{width:100%;padding:.75rem 1rem;border:1px solid #333;border-radius:8px;font-size:1rem;background-color:#1a1a1a;color:inherit;font-family:inherit;transition:all .2s}.create-group-input:focus,.create-group-textarea:focus{outline:none;border-color:#646cff;box-shadow:0 0 0 3px #646cff1a}.create-group-input:disabled,.create-group-textarea:disabled{opacity:.5;cursor:not-allowed}.create-group-textarea{resize:vertical;min-height:80px}@media(max-width:768px){.groups-management-page{padding:1rem}.groups-page-header{flex-direction:column;align-items:flex-start;gap:1rem}.groups-page-header h1{font-size:2rem}.groups-section-header{flex-direction:column;align-items:flex-start;gap:1rem}.create-group-btn{width:100%;justify-content:center}.group-card-content{flex-wrap:wrap}.group-actions{width:100%;justify-content:flex-end}}@media(prefers-color-scheme:light){:root{color:#213547;background-color:#fff}a:hover{color:#747bff}button{background-color:#f9f9f9}.header{background-color:#f9f9f9;border-bottom-color:#e0e0e0}.profile-button{background-color:#f9f9f9}.feed-header{border-bottom-color:#e0e0e0}.message-item{background:#00000008}.message-item:hover{background:#0000000f}.message-input{background-color:#fff;border-color:#e0e0e0}.message-form{border-top-color:#e0e0e0}.photo-grid-item,.comment-item,.photo-info{background:#00000008}.modal-content{background:#fff;border:1px solid #e0e0e0}.modal-header,.modal-footer,.comment-form,.file-input-placeholder{border-color:#e0e0e0}.form-group textarea,.comment-form input{background-color:#fff;border-color:#e0e0e0}.btn-secondary{border-color:#e0e0e0}}.username-link{color:#646cff;text-decoration:none;cursor:pointer;transition:color .2s}.username-link:hover{color:#535bf2;text-decoration:underline}.public-profile-page{max-width:1200px;margin:0 auto}