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

        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
            min-height: 100vh;
            display: flex;
            align-items: center;
            justify-content: center;
            padding: 20px;
        }

        .container {
            background: white;
            border-radius: 16px;
            box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
            padding: 40px;
            max-width: 800px;
            width: 100%;
            text-align: center;
        }

        .logo {
            margin-bottom: 30px;
        }

        .logo svg {
            height: 40px;
            color: #000;
        }

        .title {
            font-size: 24px;
            font-weight: 600;
            color: #333;
            margin-bottom: 10px;
        }

        .subtitle {
            font-size: 16px;
            color: #666;
            margin-bottom: 40px;
            line-height: 1.5;
        }

        .captcha-container {
            background: #f8f9fa;
            border: 2px solid #e9ecef;
            border-radius: 8px;
            padding: 30px;
            margin-bottom: 30px;
            position: relative;
        }

        .captcha-checkbox {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 12px;
            font-size: 16px;
            color: #333;
            cursor: pointer;
            user-select: none;
        }

        .checkbox {
            width: 24px;
            height: 24px;
            border: 2px solid #ccc;
            border-radius: 4px;
            position: relative;
            background: white;
            transition: all 0.3s ease;
        }

        .checkbox.checked {
            background: #5ee396;
            border-color: #5ee396;
        }

        .checkbox.loading {
            border-color: #5ee396;
            background: white;
        }

        .checkbox.loading::after {
            content: '';
            position: absolute;
            top: 50%;
            left: 50%;
            width: 12px;
            height: 12px;
            margin: -6px 0 0 -6px;
            border: 2px solid #5ee396;
            border-top: 2px solid transparent;
            border-radius: 50%;
            animation: spin 1s linear infinite;
        }

        .checkbox.checked::after {
            content: '✓';
            position: absolute;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            color: white;
            font-weight: bold;
            font-size: 16px;
            animation: checkmark 0.3s ease-in-out;
        }

        @keyframes spin {
            0% { transform: rotate(0deg); }
            100% { transform: rotate(360deg); }
        }

        @keyframes checkmark {
            0% {
                transform: translate(-50%, -50%) scale(0);
            }
            50% {
                transform: translate(-50%, -50%) scale(1.2);
            }
            100% {
                transform: translate(-50%, -50%) scale(1);
            }
        }

        .recaptcha-badge {
            position: absolute;
            bottom: 10px;
            right: 15px;
            font-size: 12px;
            color: #666;
            display: flex;
            align-items: center;
            gap: 5px;
        }

        .confirm-button {
            background: #5ee396;
            color: white;
            border: none;
            padding: 14px 32px;
            font-size: 16px;
            font-weight: 600;
            border-radius: 8px;
            cursor: pointer;
            transition: all 0.3s ease;
            width: 100%;
            margin-bottom: 20px;
        }

        .confirm-button:hover:not(:disabled) {
            background: #4dd285;
            transform: translateY(-2px);
            box-shadow: 0 5px 15px rgba(94, 227, 150, 0.4);
        }

        .confirm-button:disabled {
            background: #ccc;
            cursor: not-allowed;
            transform: none;
            box-shadow: none;
        }

        .security-note {
            font-size: 14px;
            color: #666;
            line-height: 1.5;
            background: #f8f9fa;
            padding: 15px;
            border-radius: 8px;
            border-left: 4px solid #5ee396;
        }

        .security-icon {
            display: inline-block;
            margin-right: 8px;
            color: #5ee396;
        }

        @media (max-width: 480px) {
            .container {
                padding: 30px 20px;
            }
            
            .title {
                font-size: 20px;
            }
            
            .subtitle {
                font-size: 14px;
            }
        }