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

        body {
            font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            min-height: 100vh;
            padding: 20px;
        }

        .free-container {
            max-width: 500px;
            margin: 50px auto;
            background: white;
            border-radius: 16px;
            box-shadow: 0 20px 60px rgba(0,0,0,0.3);
            overflow: hidden;
            animation: slideUp 0.5s ease-out;
        }

        @keyframes slideUp {
            from {
                opacity: 0;
                transform: translateY(30px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        .free-header {
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            color: white;
            padding: 40px 30px;
            text-align: center;
        }

        .free-badge {
            background: rgba(255,255,255,0.2);
            padding: 6px 14px;
            border-radius: 20px;
            font-size: 14px;
            display: inline-block;
            margin-bottom: 15px;
        }

        .free-header h1 {
            margin: 0 0 10px 0;
            font-size: 28px;
        }

        .free-header p {
            margin: 0;
            opacity: 0.9;
            font-size: 14px;
        }

        .free-content {
            padding: 30px;
        }

        .step-indicator {
            display: flex;
            justify-content: center;
            align-items: center;
            margin-bottom: 30px;
        }

        .step {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: #e0e0e0;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: bold;
            color: #666;
            transition: all 0.3s;
        }

        .step.active {
            background: #4CAF50;
            color: white;
            box-shadow: 0 0 0 3px rgba(76,175,80,0.3);
        }

        .step.completed {
            background: #4CAF50;
            color: white;
        }

        .step-line {
            width: 60px;
            height: 2px;
            background: #e0e0e0;
            margin: 0 10px;
            transition: all 0.3s;
        }

        .step-line.completed {
            background: #4CAF50;
        }

        .form-group {
            margin-bottom: 20px;
        }

        .form-group label {
            display: block;
            margin-bottom: 8px;
            font-weight: 500;
            color: #333;
        }

        .form-control {
            width: 100%;
            padding: 12px;
            border: 2px solid #e0e0e0;
            border-radius: 8px;
            font-size: 16px;
            box-sizing: border-box;
            transition: all 0.3s;
        }

        .form-control:focus {
            outline: none;
            border-color: #667eea;
            box-shadow: 0 0 0 3px rgba(102,126,234,0.1);
        }

        .form-control:read-only {
            background: #f5f5f5;
            cursor: not-allowed;
        }

        .btn {
            width: 100%;
            padding: 12px;
            border: none;
            border-radius: 8px;
            font-size: 16px;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s;
        }

        .btn-primary {
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            color: white;
        }

        .btn-primary:hover:not(:disabled) {
            transform: translateY(-2px);
            box-shadow: 0 4px 12px rgba(102,126,234,0.4);
        }

        .btn-primary:disabled {
            opacity: 0.6;
            cursor: not-allowed;
        }

        .btn-success {
            background: linear-gradient(135deg, #4CAF50 0%, #45a049 100%);
            color: white;
        }

        .btn-success:hover:not(:disabled) {
            transform: translateY(-2px);
            box-shadow: 0 4px 12px rgba(76,175,80,0.4);
        }

        .btn-success:disabled {
            opacity: 0.6;
            cursor: not-allowed;
        }

        .info-box {
            background: #e3f2fd;
            border-left: 4px solid #2196F3;
            padding: 12px 15px;
            margin: 20px 0;
            border-radius: 4px;
            font-size: 14px;
        }

        .alert {
            padding: 12px;
            border-radius: 8px;
            margin: 15px 0;
            animation: fadeIn 0.3s ease-out;
        }

        @keyframes fadeIn {
            from {
                opacity: 0;
                transform: translateY(-10px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        .alert-success {
            background: #d4edda;
            color: #155724;
            border: 1px solid #c3e6cb;
        }

        .alert-error {
            background: #f8d7da;
            color: #721c24;
            border: 1px solid #f5c6cb;
        }

        .alert-info {
            background: #d1ecf1;
            color: #0c5460;
            border: 1px solid #bee5eb;
        }

        .back-link {
            display: block;
            text-align: center;
            margin-top: 20px;
            color: #666;
            text-decoration: none;
            transition: all 0.3s;
        }

        .back-link:hover {
            color: #667eea;
        }

        .code-input {
            font-family: 'Courier New', monospace;
            font-size: 28px;
            letter-spacing: 8px;
            text-align: center;
            font-weight: bold;
        }

        .resend-code {
            text-align: center;
            margin-top: 15px;
        }

        .resend-link {
            color: #667eea;
            text-decoration: none;
            font-size: 14px;
            cursor: pointer;
        }

        .resend-link:hover {
            text-decoration: underline;
        }

        .timer {
            color: #666;
            font-size: 12px;
            margin-top: 10px;
            text-align: center;
        }