* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        .fab-container {
            position: fixed;
            bottom: 30px;
            right: 30px;
            z-index: 1000;
        }

        .fab-main {
            width: 60px;
            height: 60px;
            background: linear-gradient(45deg, #1d4ed8, #dc2626);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            box-shadow: 0 8px 25px rgba(29, 78, 216, 0.4);
            transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
            border: none;
            position: relative;
            overflow: hidden;
        }

        .fab-main::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: linear-gradient(45deg, transparent, rgba(255, 255, 255, 0.1), transparent);
            transform: translateX(-100%);
            transition: transform 0.6s;
        }

        .fab-main:hover::before {
            transform: translateX(100%);
        }

        .fab-main:hover {
            transform: scale(1.1);
            box-shadow: 0 12px 35px rgba(29, 78, 216, 0.6);
        }

        .fab-main.active {
            transform: rotate(45deg);
            background: linear-gradient(45deg, #dc2626, #1d4ed8);
        }

        .fab-icon {
            width: 24px;
            height: 24px;
            color: white;
            transition: transform 0.3s ease;
        }

        .fab-menu {
            position: absolute;
            bottom: 80px;
            right: 0;
            display: flex;
            flex-direction: column;
            gap: 15px;
            opacity: 0;
            visibility: hidden;
            transform: translateY(20px);
            transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
        }

        .fab-menu.active {
            opacity: 1;
            visibility: visible;
            transform: translateY(0);
        }

        .fab-item {
            display: flex;
            align-items: center;
            justify-content: flex-end;
            gap: 15px;
            animation: slideIn 0.3s ease forwards;
            opacity: 0;
            transform: translateX(20px);
        }

        .fab-menu.active .fab-item:nth-child(1) { animation-delay: 0.1s; }
        .fab-menu.active .fab-item:nth-child(2) { animation-delay: 0.15s; }
        .fab-menu.active .fab-item:nth-child(3) { animation-delay: 0.2s; }
        .fab-menu.active .fab-item:nth-child(4) { animation-delay: 0.25s; }
        .fab-menu.active .fab-item:nth-child(5) { animation-delay: 0.3s; }
        .fab-menu.active .fab-item:nth-child(6) { animation-delay: 0.35s; }

        @keyframes slideIn {
            to {
                opacity: 1;
                transform: translateX(0);
            }
        }

        .fab-label {
            background: rgba(0, 0, 0, 0.8);
            color: white;
            padding: 8px 16px;
            border-radius: 25px;
            font-size: 14px;
            font-weight: 500;
            white-space: nowrap;
            backdrop-filter: blur(10px);
            border: 1px solid rgba(255, 255, 255, 0.1);
            opacity: 0;
            transform: translateX(10px);
            transition: all 0.3s ease;
        }

        .fab-item:hover .fab-label {
            opacity: 1;
            transform: translateX(0);
        }

        .fab-button {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            border: none;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
            position: relative;
            overflow: hidden;
        }

        .fab-button::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: linear-gradient(45deg, transparent, rgba(255, 255, 255, 0.2), transparent);
            transform: translateX(-100%);
            transition: transform 0.6s;
        }

        .fab-button:hover::before {
            transform: translateX(100%);
        }

        .fab-button:hover {
            transform: scale(1.1);
        }

        .fab-share { background: linear-gradient(45deg, #1d4ed8, #2563eb); box-shadow: 0 6px 20px rgba(29, 78, 216, 0.4); }
        .fab-home { background: linear-gradient(45deg, #dc2626, #ef4444); box-shadow: 0 6px 20px rgba(220, 38, 38, 0.4); }
        .fab-about { background: linear-gradient(45deg, #1e40af, #3b82f6); box-shadow: 0 6px 20px rgba(30, 64, 175, 0.4); }
        .fab-blog { background: linear-gradient(45deg, #b91c1c, #dc2626); box-shadow: 0 6px 20px rgba(185, 28, 28, 0.4); }
        .fab-library { background: linear-gradient(45deg, #1e3a8a, #1d4ed8); box-shadow: 0 6px 20px rgba(30, 58, 138, 0.4); }
        .fab-back { background: linear-gradient(45deg, #7c2d12, #dc2626); box-shadow: 0 6px 20px rgba(124, 45, 18, 0.4); }

        .fab-icon-small {
            width: 20px;
            height: 20px;
            color: white;
        }

        /* Demo content */
        .demo-content {
            padding: 40px 20px;
            text-align: center;
            color: white;
        }

        .demo-content h1 {
            font-size: 2.5rem;
            margin-bottom: 20px;
            text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
        }

        .demo-content p {
            font-size: 1.2rem;
            opacity: 0.9;
            max-width: 600px;
            margin: 0 auto;
            line-height: 1.6;
        }

        /* Responsive design */
        @media (max-width: 768px) {
            .fab-container {
                bottom: 20px;
                right: 20px;
            }
            
            .fab-main {
                width: 56px;
                height: 56px;
            }
            
            .fab-button {
                width: 44px;
                height: 44px;
            }
        }

        /* Share Modal Styles */
        .share-modal {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(0, 0, 0, 0.7);
            backdrop-filter: blur(5px);
            display: flex;
            align-items: center;
            justify-content: center;
            z-index: 2000;
            opacity: 0;
            visibility: hidden;
            transition: all 0.3s ease;
        }

        .share-modal.active {
            opacity: 1;
            visibility: visible;
        }

        .share-content {
            background: white;
            border-radius: 20px;
            padding: 30px;
            max-width: 450px;
            width: 90%;
            max-height: 80vh;
            overflow-y: auto;
            transform: scale(0.8);
            transition: transform 0.3s ease;
            box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
        }

        .share-modal.active .share-content {
            transform: scale(1);
        }

        .share-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 25px;
            padding-bottom: 15px;
            border-bottom: 2px solid #f0f0f0;
        }

        .share-title {
            font-size: 1.5rem;
            font-weight: 600;
            color: #333;
            margin: 0;
        }

        .close-btn {
            background: none;
            border: none;
            font-size: 24px;
            cursor: pointer;
            color: #666;
            width: 30px;
            height: 30px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            transition: all 0.2s ease;
        }

        .close-btn:hover {
            background: #f0f0f0;
            color: #333;
        }

        .share-options {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(100px, 1fr));
            gap: 15px;
            margin-bottom: 25px;
        }

        .share-option {
            display: flex;
            flex-direction: column;
            align-items: center;
            padding: 15px 10px;
            border-radius: 15px;
            cursor: pointer;
            transition: all 0.3s ease;
            text-decoration: none;
            border: 2px solid transparent;
        }

        .share-option:hover {
            transform: translateY(-3px);
            box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
        }

        .share-facebook { background: linear-gradient(135deg, #1877f2, #4267b2); color: white; }
        .share-twitter { background: linear-gradient(135deg, #1da1f2, #0d8bd9); color: white; }
        .share-instagram { background: linear-gradient(135deg, #e4405f, #833ab4); color: white; }
        .share-whatsapp { background: linear-gradient(135deg, #25d366, #128c7e); color: white; }
        .share-telegram { background: linear-gradient(135deg, #0088cc, #006699); color: white; }
        .share-email { background: linear-gradient(135deg, #dc2626, #b91c1c); color: white; }

        .share-icon {
            width: 24px;
            height: 24px;
            margin-bottom: 8px;
        }

        .share-label {
            font-size: 12px;
            font-weight: 500;
            text-align: center;
        }

        .url-section {
            background: #f8f9fa;
            border-radius: 12px;
            padding: 15px;
            margin-top: 20px;
        }

        .url-label {
            font-size: 14px;
            font-weight: 600;
            color: #333;
            margin-bottom: 10px;
        }

        .url-container {
            display: flex;
            gap: 10px;
        }

        .url-input {
            flex: 1;
            padding: 12px;
            border: 2px solid #e0e0e0;
            border-radius: 8px;
            font-size: 14px;
            background: white;
            color: #333;
        }

        .copy-btn {
            padding: 12px 20px;
            background: linear-gradient(45deg, #1d4ed8, #2563eb);
            color: white;
            border: none;
            border-radius: 8px;
            cursor: pointer;
            font-weight: 600;
            transition: all 0.3s ease;
            font-size: 14px;
        }

        .copy-btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 5px 15px rgba(29, 78, 216, 0.4);
        }

        .copy-btn.copied {
            background: linear-gradient(45deg, #dc2626, #b91c1c);
        }

        .success-message {
            position: fixed;
            top: 20px;
            right: 20px;
            background: linear-gradient(45deg, #10b981, #059669);
            color: white;
            padding: 15px 20px;
            border-radius: 10px;
            box-shadow: 0 5px 20px rgba(16, 185, 129, 0.3);
            z-index: 3000;
            transform: translateX(400px);
            transition: transform 0.3s ease;
            font-weight: 500;
        }

        .success-message.show {
            transform: translateX(0);
        }