* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            min-height: 100vh;
            display: flex;
            align-items: center;
            justify-content: center;
            padding: 20px;
        }
        .auth-container {
            background: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(10px);
            border-radius: 20px;
            padding: 30px;
            width: 100%;
            max-width: 400px;
            box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
            border: 1px solid rgba(255, 255, 255, 0.2);
        }
        .logo {
            text-align: center;
            margin-bottom: 30px;
        }
        .logo h1 {
            color: #667eea;
            font-size: 28px;
            font-weight: 700;
            margin-bottom: 5px;
        }
        .logo p {
            color: #666;
            font-size: 14px;
        }
        .form-group {
            margin-bottom: 20px;
        }
        .form-group label {
            display: block;
            margin-bottom: 8px;
            color: #333;
            font-weight: 500;
            font-size: 14px;
        }
        .form-group input {
            width: 100%;
            padding: 15px;
            border: 2px solid #e1e5e9;
            border-radius: 12px;
            font-size: 16px;
            transition: all 0.3s ease;
            background: #f8f9fa;
        }
        .form-group input:focus {
            outline: none;
            border-color: #667eea;
            background: white;
            box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
        }
        .pin-input {
            text-align: center;
            font-size: 24px;
            font-weight: bold;
            letter-spacing: 8px;
        }
        .btn {
            width: 100%;
            padding: 15px;
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            color: white;
            border: none;
            border-radius: 12px;
            font-size: 16px;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s ease;
            margin-bottom: 15px;
        }
        .btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 10px 20px rgba(102, 126, 234, 0.3);
        }
        .btn:active {
            transform: translateY(0);
        }
        .status-message {
            padding: 12px;
            border-radius: 8px;
            margin-bottom: 20px;
            font-size: 14px;
            text-align: center;
        }
        .success {
            background: #d1edff;
            color: #0c5460;
            border: 1px solid #b8daff;
        }
        .error {
            background: #f8d7da;
            color: #721c24;
            border: 1px solid #f5c6cb;
        }
        .info {
            background: #d1ecf1;
            color: #0c5460;
            border: 1px solid #bee5eb;
        }
        .hidden {
            display: none;
        }
        .step-indicator {
            display: flex;
            justify-content: center;
            margin-bottom: 30px;
        }
        .step {
            width: 30px;
            height: 30px;
            border-radius: 50%;
            background: #e9ecef;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 10px;
            font-size: 12px;
            font-weight: bold;
            color: #6c757d;
        }
        .step.active {
            background: #667eea;
            color: white;
        }
        .step.completed {
            background: #28a745;
            color: white;
        }
        .redirect-message {
            text-align: center;
            padding: 20px;
        }
        .redirect-message h3 {
            color: #28a745;
            margin-bottom: 15px;
        }
        .redirect-message p {
            color: #666;
            margin-bottom: 10px;
        }
        .spinner {
            border: 3px solid #f3f3f3;
            border-top: 3px solid #667eea;
            border-radius: 50%;
            width: 30px;
            height: 30px;
            animation: spin 1s linear infinite;
            margin: 15px auto;
        }
        @keyframes spin {
            0% { transform: rotate(0deg); }
            100% { transform: rotate(360deg); }
        }
        @media (max-width: 480px) {
            .auth-container {
                padding: 20px;
                margin: 10px;
            }
            .logo h1 {
                font-size: 24px;
            }
            .form-group input {
                padding: 12px;
                font-size: 16px;
            }
            .btn {
                padding: 12px;
            }
        }