:root {
            --bg-primary: #f8f9fa;
            --text-primary: #1a1a1a;
            --text-secondary: #4a4a4a;
            --accent: #0071e3;
            --transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
        }

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

        body {
            font-family: 'Poppins', -apple-system, BlinkMacSystemFont, sans-serif;
            background: var(--bg-primary);
            color: var(--text-primary);
            min-height: 100vh;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            padding: 2rem;
            transition: var(--transition);
            text-align: center;
        }

        .content {
            max-width: 500px;
            width: 100%;
            opacity: 0;
            transform: translateY(20px);
            animation: fadeInUp 0.6s cubic-bezier(0.175, 0.885, 0.32, 1.275) forwards;
        }

        @keyframes fadeInUp {
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        .icon-wrapper {
            margin-bottom: 2rem;
            position: relative;
        }

        .icon-circle {
            width: 100px;
            height: 100px;
            margin: 0 auto;
            border-radius: 50%;
            background: var(--accent);
            display: flex;
            align-items: center;
            justify-content: center;
            position: relative;
            overflow: hidden;
            transition: var(--transition);
        }

        .icon {
            font-size: 2.5rem;
            color: white;
        }

        h1 {
            font-size: 2.2rem;
            font-weight: 600;
            margin-bottom: 1rem;
            line-height: 1.3;
            color: var(--text-primary);
        }

        p {
            font-size: 1rem;
            line-height: 1.6;
            color: var(--text-secondary);
            margin-bottom: 2rem;
            font-weight: 400;
        }

        .retry-btn {
            background: var(--accent);
            color: white;
            border: none;
            padding: 0.9rem 2rem;
            border-radius: 20px;
            font-size: 1rem;
            font-weight: 500;
            cursor: pointer;
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            transition: var(--transition);
            position: relative;
            overflow: hidden;
        }

        .retry-btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 5px 15px rgba(0, 113, 227, 0.3);
        }

        .retry-btn:active {
            transform: scale(0.98);
        }

        .retry-btn::after {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
            transform: translateX(-100%);
            transition: var(--transition);
        }

        .retry-btn:hover::after {
            transform: translateX(100%);
        }

        .status-indicator {
            position: fixed;
            bottom: 1.5rem;
            left: 50%;
            transform: translateX(-50%);
            background: var(--accent);
            color: white;
            padding: 0.6rem 1.2rem;
            border-radius: 20px;
            display: flex;
            align-items: center;
            gap: 0.5rem;
            font-size: 0.85rem;
            font-weight: 500;
            z-index: 100;
            opacity: 0;
            transition: var(--transition);
        }

        .status-indicator.show {
            opacity: 1;
            animation: fadeInOut 3s ease-in-out;
        }

        @keyframes fadeInOut {

            0%,
            100% {
                opacity: 0;
                transform: translateX(-50%) translateY(10px);
            }

            10%,
            90% {
                opacity: 1;
                transform: translateX(-50%) translateY(0);
            }
        }

        .status-dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: white;
            animation: pulse 1.5s infinite;
        }

        @keyframes pulse {

            0%,
            100% {
                transform: scale(1);
            }

            50% {
                transform: scale(1.2);
            }
        }

        @media (max-width: 768px) {
            h1 {
                font-size: 1.8rem;
            }

            p {
                font-size: 0.95rem;
            }

            .icon-circle {
                width: 80px;
                height: 80px;
            }

            .icon {
                font-size: 2rem;
            }
        }